#include "git-compat-util.h" #include "environment.h" #include "gettext.h" #include "config.h" #include "gpg-interface.h" #include "hex.h" #include "parse-options.h" #include "run-command.h" #include "refs.h" #include "wildmatch.h" #include "object-name.h" #include "object-store-ll.h" #include "oid-array.h" #include "repository.h" #include "commit.h" #include "mailmap.h" #include "ident.h" #include "remote.h" #include "color.h" #include "tag.h" #include "quote.h" #include "ref-filter.h" #include "revision.h" #include "utf8.h" #include "versioncmp.h" #include "trailer.h" #include "wt-status.h" #include "commit-slab.h" #include "commit-reach.h" #include "worktree.h" #include "hashmap.h" static struct ref_msg { const char *gone; const char *ahead; const char *behind; const char *ahead_behind; } msgs = { /* Untranslated plumbing messages: */ "gone", "ahead %d", "behind %d", "ahead %d, behind %d" }; void setup_ref_filter_porcelain_msg(void) { msgs.gone = _("gone"); msgs.ahead = _("ahead %d"); msgs.behind = _("behind %d"); msgs.ahead_behind = _("ahead %d, behind %d"); } typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status; typedef enum { SOURCE_NONE = 0, SOURCE_OBJ, SOURCE_OTHER } info_source; struct align { align_type position; unsigned int width; }; struct if_then_else { cmp_status cmp_status; const char *str; unsigned int then_atom_seen : 1, else_atom_seen : 1, condition_satisfied : 1; }; struct refname_atom { enum { R_NORMAL, R_SHORT, R_LSTRIP, R_RSTRIP } option; int lstrip, rstrip; }; static struct ref_trailer_buf { struct string_list filter_list; struct strbuf sepbuf; struct strbuf kvsepbuf; } ref_trailer_buf = {STRING_LIST_INIT_NODUP, STRBUF_INIT, STRBUF_INIT}; static struct expand_data { struct object_id oid; enum object_type type; unsigned long size; off_t disk_size; struct object_id delta_base_oid; void *content; struct object_info info; } oi, oi_deref; struct ref_to_worktree_entry { struct hashmap_entry ent; struct worktree *wt; /* key is wt->head_ref */ }; static int ref_to_worktree_map_cmpfnc(const void *lookupdata UNUSED, const struct hashmap_entry *eptr, const struct hashmap_entry *kptr, const void *keydata_aka_refname) { const struct ref_to_worktree_entry *e, *k; e = container_of(eptr, const struct ref_to_worktree_entry, ent); k = container_of(kptr, const struct ref_to_worktree_entry, ent); return strcmp(e->wt->head_ref, keydata_aka_refname ? keydata_aka_refname : k->wt->head_ref); } static struct ref_to_worktree_map { struct hashmap map; struct worktree **worktrees; } ref_to_worktree_map; /* * The enum atom_type is used as the index of valid_atom array. * In the atom parsing stage, it will be passed to used_atom.atom_type * as the identifier of the atom type. We can check the type of used_atom * entry by `if (used_atom[i].atom_type == ATOM_*)`. */ enum atom_type { ATOM_REFNAME, ATOM_OBJECTTYPE, ATOM_OBJECTSIZE, ATOM_OBJECTNAME, ATOM_DELTABASE, ATOM_TREE, ATOM_PARENT, ATOM_NUMPARENT, ATOM_OBJECT, ATOM_TYPE, ATOM_TAG, ATOM_AUTHOR, ATOM_AUTHORNAME, ATOM_AUTHOREMAIL, ATOM_AUTHORDATE, ATOM_COMMITTER, ATOM_COMMITTERNAME, ATOM_COMMITTEREMAIL, ATOM_COMMITTERDATE, ATOM_TAGGER, ATOM_TAGGERNAME, ATOM_TAGGEREMAIL, ATOM_TAGGERDATE, ATOM_CREATOR, ATOM_CREATORDATE, ATOM_DESCRIBE, ATOM_SUBJECT, ATOM_BODY, ATOM_TRAILERS, ATOM_CONTENTS, ATOM_SIGNATURE, ATOM_RAW, ATOM_UPSTREAM, ATOM_PUSH, ATOM_SYMREF, ATOM_FLAG, ATOM_HEAD, ATOM_COLOR, ATOM_WORKTREEPATH, ATOM_ALIGN, ATOM_END, ATOM_IF, ATOM_THEN, ATOM_ELSE, ATOM_REST, ATOM_AHEADBEHIND, }; /* * An atom is a valid field atom listed below, possibly prefixed with * a "*" to denote deref_tag(). * * We parse given format string and sort specifiers, and make a list * of properties that we need to extract out of objects. ref_array_item * structure will hold an array of values extracted that can be * indexed with the "atom number", which is an index into this * array. */ static struct used_atom { enum atom_type atom_type; const char *name; cmp_type type; info_source source; union { char color[COLOR_MAXLEN]; struct align align; struct { enum { RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF } option; struct refname_atom refname; unsigned int nobracket : 1, push : 1, push_remote : 1; } remote_ref; struct { enum { C_BARE, C_BODY, C_BODY_DEP, C_LENGTH, C_LINES, C_SIG, C_SUB, C_SUB_SANITIZE, C_TRAILERS } option; struct process_trailer_options trailer_opts; unsigned int nlines; } contents; struct { enum { RAW_BARE, RAW_LENGTH } option; } raw_data; struct { cmp_status cmp_status; const char *str; } if_then_else; struct { enum { O_FULL, O_LENGTH, O_SHORT } option; unsigned int length; } oid; struct { enum { O_SIZE, O_SIZE_DISK } option; } objectsize; struct { enum { N_RAW, N_MAILMAP } option; } name_option; struct { enum { EO_RAW = 0, EO_TRIM = 1<<0, EO_LOCALPART = 1<<1, EO_MAILMAP = 1<<2, } option; } email_option; struct { enum { S_BARE, S_GRADE, S_SIGNER, S_KEY, S_FINGERPRINT, S_PRI_KEY_FP, S_TRUST_LEVEL } option; } signature; const char **describe_args; struct refname_atom refname; char *head; } u; } *used_atom; static int used_atom_cnt, need_tagged, need_symref; /* * Expand string, append it to strbuf *sb, then return error code ret. * Allow to save few lines of code. */ __attribute__((format (printf, 3, 4))) static int strbuf_addf_ret(struct strbuf *sb, int ret, const char *fmt, ...) { va_list ap; va_start(ap, fmt); strbuf_vaddf(sb, fmt, ap); va_end(ap); return ret; } static int err_no_arg(struct strbuf *sb, const char *name) { size_t namelen = strchrnul(name, ':') - name; strbuf_addf(sb, _("%%(%.*s) does not take arguments"), (int)namelen, name); return -1; } static int err_bad_arg(struct strbuf *sb, const char *name, const char *arg) { size_t namelen = strchrnul(name, ':') - name; strbuf_addf(sb, _("unrecognized %%(%.*s) argument: %s"), (int)namelen, name, arg); return -1; } /* * Parse option of name "candidate" in the option string "to_parse" of * the form * * "candidate1[=val1],candidate2[=val2],candidate3[=val3],..." * * The remaining part of "to_parse" is stored in "end" (if we are * parsing the last candidate, then this is NULL) and the value of * the candidate is stored in "valuestart" and its length in "valuelen", * that is the portion after "=". Since it is possible for a "candidate" * to not have a value, in such cases, "valuestart" is set to point to * NULL and "valuelen" to 0. * * The function returns 1 on success. It returns 0 if we don't find * "candidate" in "to_parse" or we find "candidate" but it is followed * by more chars (for example, "candidatefoo"), that is, we don't find * an exact match. * * This function only does the above for one "candidate" at a time. So * it has to be called each time trying to parse a "candidate" in the * option string "to_parse". */ static int match_atom_arg_value(const char *to_parse, const char *candidate, const char **end, const char **valuestart, size_t *valuelen) { const char *atom; if (!skip_prefix(to_parse, candidate, &atom)) return 0; /* definitely not "candidate" */ if (*atom == '=') { /* we just saw "candidate=" */ *valuestart = atom + 1; atom = strchrnul(*valuestart, ','); *valuelen = atom - *valuestart; } else if (*atom != ',' && *atom != '\0') { /* key begins with "candidate" but has more chars */ return 0; } else { /* just "candidate" without "=val" */ *valuestart = NULL; *valuelen = 0; } /* atom points at either the ',' or NUL after this key[=val] */ if (*atom == ',') atom++; else if (*atom) BUG("Why is *atom not NULL yet?"); *end = atom; return 1; } /* * Parse boolean option of name "candidate" in the option list "to_parse" * of the form * * "candidate1[=bool1],candidate2[=bool2],candidate3[=bool3],..." * * The remaining part of "to_parse" is stored in "end" (if we are parsing * the last candidate, then this is NULL) and the value (if given) is * parsed and stored in "val", so "val" always points to either 0 or 1. * If the value is not given, then "val" is set to point to 1. * * The boolean value is parsed using "git_parse_maybe_bool()", so the * accepted values are * * to set true - "1", "yes", "true" * to set false - "0", "no", "false" * * This function returns 1 on success. It returns 0 when we don't find * an exact match for "candidate" or when the boolean value given is * not valid. */ static int match_atom_bool_arg(const char *to_parse, const char *candidate, const char **end, int *val) { const char *argval; char *strval; size_t arglen; int v; if (!match_atom_arg_value(to_parse, candidate, end, &argval, &arglen)) return 0; if (!argval) { *val = 1; return 1; } strval = xstrndup(argval, arglen); v = git_parse_maybe_bool(strval); free(strval); if (v == -1) return 0; *val = v; return 1; } static int color_atom_parser(struct ref_format *format, struct used_atom *atom, const char *color_value, struct strbuf *err) { if (!color_value) return strbuf_addf_ret(err, -1, _("expected format: %%(color:)")); if (color_parse(color_value, atom->u.color) < 0) return strbuf_addf_ret(err, -1, _("unrecognized color: %%(color:%s)"), color_value); /* * We check this after we've parsed the color, which lets us complain * about syntactically bogus color names even if they won't be used. */ if (!want_color(format->use_color)) color_parse("", atom->u.color); return 0; } static int refname_atom_parser_internal(struct refname_atom *atom, const char *arg, const char *name, struct strbuf *err) { if (!arg) atom->option = R_NORMAL; else if (!strcmp(arg, "short")) atom->option = R_SHORT; else if (skip_prefix(arg, "lstrip=", &arg) || skip_prefix(arg, "strip=", &arg)) { atom->option = R_LSTRIP; if (strtol_i(arg, 10, &atom->lstrip)) return strbuf_addf_ret(err, -1, _("Integer value expected refname:lstrip=%s"), arg); } else if (skip_prefix(arg, "rstrip=", &arg)) { atom->option = R_RSTRIP; if (strtol_i(arg, 10, &atom->rstrip)) return strbuf_addf_ret(err, -1, _("Integer value expected refname:rstrip=%s"), arg); } else return err_bad_arg(err, name, arg); return 0; } static int remote_ref_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { struct string_list params = STRING_LIST_INIT_DUP; int i; if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:")) atom->u.remote_ref.push = 1; if (!arg) { atom->u.remote_ref.option = RR_REF; return refname_atom_parser_internal(&atom->u.remote_ref.refname, arg, atom->name, err); } atom->u.remote_ref.nobracket = 0; string_list_split(¶ms, arg, ',', -1); for (i = 0; i < params.nr; i++) { const char *s = params.items[i].string; if (!strcmp(s, "track")) atom->u.remote_ref.option = RR_TRACK; else if (!strcmp(s, "trackshort")) atom->u.remote_ref.option = RR_TRACKSHORT; else if (!strcmp(s, "nobracket")) atom->u.remote_ref.nobracket = 1; else if (!strcmp(s, "remotename")) { atom->u.remote_ref.option = RR_REMOTE_NAME; atom->u.remote_ref.push_remote = 1; } else if (!strcmp(s, "remoteref")) { atom->u.remote_ref.option = RR_REMOTE_REF; atom->u.remote_ref.push_remote = 1; } else { atom->u.remote_ref.option = RR_REF; if (refname_atom_parser_internal(&atom->u.remote_ref.refname, arg, atom->name, err)) { string_list_clear(¶ms, 0); return -1; } } } string_list_clear(¶ms, 0); return 0; } static int objecttype_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (arg) return err_no_arg(err, "objecttype"); if (*atom->name == '*') oi_deref.info.typep = &oi_deref.type; else oi.info.typep = &oi.type; return 0; } static int objectsize_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) { atom->u.objectsize.option = O_SIZE; if (*atom->name == '*') oi_deref.info.sizep = &oi_deref.size; else oi.info.sizep = &oi.size; } else if (!strcmp(arg, "disk")) { atom->u.objectsize.option = O_SIZE_DISK; if (*atom->name == '*') oi_deref.info.disk_sizep = &oi_deref.disk_size; else oi.info.disk_sizep = &oi.disk_size; } else return err_bad_arg(err, "objectsize", arg); return 0; } static int deltabase_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (arg) return err_no_arg(err, "deltabase"); if (*atom->name == '*') oi_deref.info.delta_base_oid = &oi_deref.delta_base_oid; else oi.info.delta_base_oid = &oi.delta_base_oid; return 0; } static int body_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (arg) return err_no_arg(err, "body"); atom->u.contents.option = C_BODY_DEP; return 0; } static int subject_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) atom->u.contents.option = C_SUB; else if (!strcmp(arg, "sanitize")) atom->u.contents.option = C_SUB_SANITIZE; else return err_bad_arg(err, "subject", arg); return 0; } static int parse_signature_option(const char *arg) { if (!arg) return S_BARE; else if (!strcmp(arg, "signer")) return S_SIGNER; else if (!strcmp(arg, "grade")) return S_GRADE; else if (!strcmp(arg, "key")) return S_KEY; else if (!strcmp(arg, "fingerprint")) return S_FINGERPRINT; else if (!strcmp(arg, "primarykeyfingerprint")) return S_PRI_KEY_FP; else if (!strcmp(arg, "trustlevel")) return S_TRUST_LEVEL; return -1; } static int signature_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { int opt = parse_signature_option(arg); if (opt < 0) return err_bad_arg(err, "signature", arg); atom->u.signature.option = opt; return 0; } static int trailers_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { atom->u.contents.trailer_opts.no_divider = 1; if (arg) { const char *argbuf = xstrfmt("%s)", arg); char *invalid_arg = NULL; if (format_set_trailers_options(&atom->u.contents.trailer_opts, &ref_trailer_buf.filter_list, &ref_trailer_buf.sepbuf, &ref_trailer_buf.kvsepbuf, &argbuf, &invalid_arg)) { if (!invalid_arg) strbuf_addf(err, _("expected %%(trailers:key=)")); else strbuf_addf(err, _("unknown %%(trailers) argument: %s"), invalid_arg); free((char *)invalid_arg); return -1; } } atom->u.contents.option = C_TRAILERS; return 0; } static int contents_atom_parser(struct ref_format *format, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) atom->u.contents.option = C_BARE; else if (!strcmp(arg, "body")) atom->u.contents.option = C_BODY; else if (!strcmp(arg, "size")) { atom->type = FIELD_ULONG; atom->u.contents.option = C_LENGTH; } else if (!strcmp(arg, "signature")) atom->u.contents.option = C_SIG; else if (!strcmp(arg, "subject")) atom->u.contents.option = C_SUB; else if (!strcmp(arg, "trailers")) { if (trailers_atom_parser(format, atom, NULL, err)) return -1; } else if (skip_prefix(arg, "trailers:", &arg)) { if (trailers_atom_parser(format, atom, arg, err)) return -1; } else if (skip_prefix(arg, "lines=", &arg)) { atom->u.contents.option = C_LINES; if (strtoul_ui(arg, 10, &atom->u.contents.nlines)) return strbuf_addf_ret(err, -1, _("positive value expected contents:lines=%s"), arg); } else return err_bad_arg(err, "contents", arg); return 0; } static int describe_atom_option_parser(struct strvec *args, const char **arg, struct strbuf *err) { const char *argval; size_t arglen = 0; int optval = 0; if (match_atom_bool_arg(*arg, "tags", arg, &optval)) { if (!optval) strvec_push(args, "--no-tags"); else strvec_push(args, "--tags"); return 1; } if (match_atom_arg_value(*arg, "abbrev", arg, &argval, &arglen)) { char *endptr; if (!arglen) return strbuf_addf_ret(err, -1, _("argument expected for %s"), "describe:abbrev"); if (strtol(argval, &endptr, 10) < 0) return strbuf_addf_ret(err, -1, _("positive value expected %s=%s"), "describe:abbrev", argval); if (endptr - argval != arglen) return strbuf_addf_ret(err, -1, _("cannot fully parse %s=%s"), "describe:abbrev", argval); strvec_pushf(args, "--abbrev=%.*s", (int)arglen, argval); return 1; } if (match_atom_arg_value(*arg, "match", arg, &argval, &arglen)) { if (!arglen) return strbuf_addf_ret(err, -1, _("value expected %s="), "describe:match"); strvec_pushf(args, "--match=%.*s", (int)arglen, argval); return 1; } if (match_atom_arg_value(*arg, "exclude", arg, &argval, &arglen)) { if (!arglen) return strbuf_addf_ret(err, -1, _("value expected %s="), "describe:exclude"); strvec_pushf(args, "--exclude=%.*s", (int)arglen, argval); return 1; } return 0; } static int describe_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { struct strvec args = STRVEC_INIT; for (;;) { int found = 0; const char *bad_arg = arg; if (!arg || !*arg) break; found = describe_atom_option_parser(&args, &arg, err); if (found < 0) return found; if (!found) return err_bad_arg(err, "describe", bad_arg); } atom->u.describe_args = strvec_detach(&args); return 0; } static int raw_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) atom->u.raw_data.option = RAW_BARE; else if (!strcmp(arg, "size")) { atom->type = FIELD_ULONG; atom->u.raw_data.option = RAW_LENGTH; } else return err_bad_arg(err, "raw", arg); return 0; } static int oid_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) atom->u.oid.option = O_FULL; else if (!strcmp(arg, "short")) atom->u.oid.option = O_SHORT; else if (skip_prefix(arg, "short=", &arg)) { atom->u.oid.option = O_LENGTH; if (strtoul_ui(arg, 10, &atom->u.oid.length) || atom->u.oid.length == 0) return strbuf_addf_ret(err, -1, _("positive value expected '%s' in %%(%s)"), arg, atom->name); if (atom->u.oid.length < MINIMUM_ABBREV) atom->u.oid.length = MINIMUM_ABBREV; } else return err_bad_arg(err, atom->name, arg); return 0; } static int person_name_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) atom->u.name_option.option = N_RAW; else if (!strcmp(arg, "mailmap")) atom->u.name_option.option = N_MAILMAP; else return err_bad_arg(err, atom->name, arg); return 0; } static int email_atom_option_parser(struct used_atom *atom, const char **arg, struct strbuf *err) { if (!*arg) return EO_RAW; if (skip_prefix(*arg, "trim", arg)) return EO_TRIM; if (skip_prefix(*arg, "localpart", arg)) return EO_LOCALPART; if (skip_prefix(*arg, "mailmap", arg)) return EO_MAILMAP; return -1; } static int person_email_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { for (;;) { int opt = email_atom_option_parser(atom, &arg, err); const char *bad_arg = arg; if (opt < 0) return err_bad_arg(err, atom->name, bad_arg); atom->u.email_option.option |= opt; if (!arg || !*arg) break; if (*arg == ',') arg++; else return err_bad_arg(err, atom->name, bad_arg); } return 0; } static int refname_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { return refname_atom_parser_internal(&atom->u.refname, arg, atom->name, err); } static align_type parse_align_position(const char *s) { if (!strcmp(s, "right")) return ALIGN_RIGHT; else if (!strcmp(s, "middle")) return ALIGN_MIDDLE; else if (!strcmp(s, "left")) return ALIGN_LEFT; return -1; } static int align_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { struct align *align = &atom->u.align; struct string_list params = STRING_LIST_INIT_DUP; int i; unsigned int width = ~0U; if (!arg) return strbuf_addf_ret(err, -1, _("expected format: %%(align:,)")); align->position = ALIGN_LEFT; string_list_split(¶ms, arg, ',', -1); for (i = 0; i < params.nr; i++) { const char *s = params.items[i].string; int position; if (skip_prefix(s, "position=", &s)) { position = parse_align_position(s); if (position < 0) { strbuf_addf(err, _("unrecognized position:%s"), s); string_list_clear(¶ms, 0); return -1; } align->position = position; } else if (skip_prefix(s, "width=", &s)) { if (strtoul_ui(s, 10, &width)) { strbuf_addf(err, _("unrecognized width:%s"), s); string_list_clear(¶ms, 0); return -1; } } else if (!strtoul_ui(s, 10, &width)) ; else if ((position = parse_align_position(s)) >= 0) align->position = position; else { strbuf_addf(err, _("unrecognized %%(%s) argument: %s"), "align", s); string_list_clear(¶ms, 0); return -1; } } if (width == ~0U) { string_list_clear(¶ms, 0); return strbuf_addf_ret(err, -1, _("positive width expected with the %%(align) atom")); } align->width = width; string_list_clear(¶ms, 0); return 0; } static int if_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (!arg) { atom->u.if_then_else.cmp_status = COMPARE_NONE; return 0; } else if (skip_prefix(arg, "equals=", &atom->u.if_then_else.str)) { atom->u.if_then_else.cmp_status = COMPARE_EQUAL; } else if (skip_prefix(arg, "notequals=", &atom->u.if_then_else.str)) { atom->u.if_then_else.cmp_status = COMPARE_UNEQUAL; } else return err_bad_arg(err, "if", arg); return 0; } static int rest_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom UNUSED, const char *arg, struct strbuf *err) { if (arg) return err_no_arg(err, "rest"); return 0; } static int ahead_behind_atom_parser(struct ref_format *format, struct used_atom *atom UNUSED, const char *arg, struct strbuf *err) { struct string_list_item *item; if (!arg) return strbuf_addf_ret(err, -1, _("expected format: %%(ahead-behind:)")); item = string_list_append(&format->bases, arg); item->util = lookup_commit_reference_by_name(arg); if (!item->util) die("failed to find '%s'", arg); return 0; } static int head_atom_parser(struct ref_format *format UNUSED, struct used_atom *atom, const char *arg, struct strbuf *err) { if (arg) return err_no_arg(err, "HEAD"); atom->u.head = refs_resolve_refdup(get_main_ref_store(the_repository), "HEAD", RESOLVE_REF_READING, NULL, NULL); return 0; } static struct { const char *name; info_source source; cmp_type cmp_type; int (*parser)(struct ref_format *format, struct used_atom *atom, const char *arg, struct strbuf *err); } valid_atom[] = { [ATOM_REFNAME] = { "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser }, [ATOM_OBJECTTYPE] = { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser }, [ATOM_OBJECTSIZE] = { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser }, [ATOM_OBJECTNAME] = { "objectname", SOURCE_OTHER, FIELD_STR, oid_atom_parser }, [ATOM_DELTABASE] = { "deltabase", SOURCE_OTHER, FIELD_STR, deltabase_atom_parser }, [ATOM_TREE] = { "tree", SOURCE_OBJ, FIELD_STR, oid_atom_parser }, [ATOM_PARENT] = { "parent", SOURCE_OBJ, FIELD_STR, oid_atom_parser }, [ATOM_NUMPARENT] = { "numparent", SOURCE_OBJ, FIELD_ULONG }, [ATOM_OBJECT] = { "object", SOURCE_OBJ }, [ATOM_TYPE] = { "type", SOURCE_OBJ }, [ATOM_TAG] = { "tag", SOURCE_OBJ }, [ATOM_AUTHOR] = { "author", SOURCE_OBJ }, [ATOM_AUTHORNAME] = { "authorname", SOURCE_OBJ, FIELD_STR, person_name_atom_parser }, [ATOM_AUTHOREMAIL] = { "authoremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, [ATOM_AUTHORDATE] = { "authordate", SOURCE_OBJ, FIELD_TIME }, [ATOM_COMMITTER] = { "committer", SOURCE_OBJ }, [ATOM_COMMITTERNAME] = { "committername", SOURCE_OBJ, FIELD_STR, person_name_atom_parser }, [ATOM_COMMITTEREMAIL] = { "committeremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, [ATOM_COMMITTERDATE] = { "committerdate", SOURCE_OBJ, FIELD_TIME }, [ATOM_TAGGER] = { "tagger", SOURCE_OBJ }, [ATOM_TAGGERNAME] = { "taggername", SOURCE_OBJ, FIELD_STR, person_name_atom_parser }, [ATOM_TAGGEREMAIL] = { "taggeremail", SOURCE_OBJ, FIELD_STR, person_email_atom_parser }, [ATOM_TAGGERDATE] = { "taggerdate", SOURCE_OBJ, FIELD_TIME }, [ATOM_CREATOR] = { "creator", SOURCE_OBJ }, [ATOM_CREATORDATE] = { "creatordate", SOURCE_OBJ, FIELD_TIME }, [ATOM_DESCRIBE] = { "describe", SOURCE_OBJ, FIELD_STR, describe_atom_parser }, [ATOM_SUBJECT] = { "subject", SOURCE_OBJ, FIELD_STR, subject_atom_parser }, [ATOM_BODY] = { "body", SOURCE_OBJ, FIELD_STR, body_atom_parser }, [ATOM_TRAILERS] = { "trailers", SOURCE_OBJ, FIELD_STR, trailers_atom_parser }, [ATOM_CONTENTS] = { "contents", SOURCE_OBJ, FIELD_STR, contents_atom_parser }, [ATOM_SIGNATURE] = { "signature", SOURCE_OBJ, FIELD_STR, signature_atom_parser }, [ATOM_RAW] = { "raw", SOURCE_OBJ, FIELD_STR, raw_atom_parser }, [ATOM_UPSTREAM] = { "upstream", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, [ATOM_PUSH] = { "push", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, [ATOM_SYMREF] = { "symref", SOURCE_NONE, FIELD_STR, refname_atom_parser }, [ATOM_FLAG] = { "flag", SOURCE_NONE }, [ATOM_HEAD] = { "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser }, [ATOM_COLOR] = { "color", SOURCE_NONE, FIELD_STR, color_atom_parser }, [ATOM_WORKTREEPATH] = { "worktreepath", SOURCE_NONE }, [ATOM_ALIGN] = { "align", SOURCE_NONE, FIELD_STR, align_atom_parser }, [ATOM_END] = { "end", SOURCE_NONE }, [ATOM_IF] = { "if", SOURCE_NONE, FIELD_STR, if_atom_parser }, [ATOM_THEN] = { "then", SOURCE_NONE }, [ATOM_ELSE] = { "else", SOURCE_NONE }, [ATOM_REST] = { "rest", SOURCE_NONE, FIELD_STR, rest_atom_parser }, [ATOM_AHEADBEHIND] = { "ahead-behind", SOURCE_OTHER, FIELD_STR, ahead_behind_atom_parser }, /* * Please update $__git_ref_fieldlist in git-completion.bash * when you add new atoms */ }; #define REF_FORMATTING_STATE_INIT { 0 } struct ref_formatting_stack { struct ref_formatting_stack *prev; struct strbuf output; void (*at_end)(struct ref_formatting_stack **stack); void *at_end_data; }; struct ref_formatting_state { int quote_style; struct ref_formatting_stack *stack; }; struct atom_value { const char *s; ssize_t s_size; int (*handler)(struct atom_value *atomv, struct ref_formatting_state *state, struct strbuf *err); uintmax_t value; /* used for sorting when not FIELD_STR */ struct used_atom *atom; }; #define ATOM_SIZE_UNSPECIFIED (-1) #define ATOM_VALUE_INIT { \ .s_size = ATOM_SIZE_UNSPECIFIED \ } /* * Used to parse format string and sort specifiers */ static int parse_ref_filter_atom(struct ref_format *format, const char *atom, const char *ep, struct strbuf *err) { const char *sp; const char *arg; int i, at, atom_len; sp = atom; if (*sp == '*' && sp < ep) sp++; /* deref */ if (ep <= sp) return strbuf_addf_ret(err, -1, _("malformed field name: %.*s"), (int)(ep-atom), atom); /* * If the atom name has a colon, strip it and everything after * it off - it specifies the format for this entry, and * shouldn't be used for checking against the valid_atom * table. */ arg = memchr(sp, ':', ep - sp); atom_len = (arg ? arg : ep) - sp; /* Do we have the atom already used elsewhere? */ for (i = 0; i < used_atom_cnt; i++) { int len = strlen(used_atom[i].name); if (len == ep - atom && !memcmp(used_atom[i].name, atom, len)) return i; } /* Is the atom a valid one? */ for (i = 0; i < ARRAY_SIZE(valid_atom); i++) { int len = strlen(valid_atom[i].name); if (len == atom_len && !memcmp(valid_atom[i].name, sp, len)) break; } if (ARRAY_SIZE(valid_atom) <= i) return strbuf_addf_ret(err, -1, _("unknown field name: %.*s"), (int)(ep-atom), atom); if (valid_atom[i].source != SOURCE_NONE && !have_git_dir()) return strbuf_addf_ret(err, -1, _("not a git repository, but the field '%.*s' requires access to object data"), (int)(ep-atom), atom); /* Add it in, including the deref prefix */ at = used_atom_cnt; used_atom_cnt++; REALLOC_ARRAY(used_atom, used_atom_cnt); used_atom[at].atom_type = i; used_atom[at].name = xmemdupz(atom, ep - atom); used_atom[at].type = valid_atom[i].cmp_type; used_atom[at].source = valid_atom[i].source; if (used_atom[at].source == SOURCE_OBJ) { if (*atom == '*') oi_deref.info.contentp = &oi_deref.content; else oi.info.contentp = &oi.content; } if (arg) { arg = used_atom[at].name + (arg - atom) + 1; if (!*arg) { /* * Treat empty sub-arguments list as NULL (i.e., * "%(atom:)" is equivalent to "%(atom)"). */ arg = NULL; } } memset(&used_atom[at].u, 0, sizeof(used_atom[at].u)); if (valid_atom[i].parser && valid_atom[i].parser(format, &used_atom[at], arg, err)) return -1; if (*atom == '*') need_tagged = 1; if (i == ATOM_SYMREF) need_symref = 1; return at; } static void quote_formatting(struct strbuf *s, const char *str, ssize_t len, int quote_style) { switch (quote_style) { case QUOTE_NONE: if (len < 0) strbuf_addstr(s, str); else strbuf_add(s, str, len); break; case QUOTE_SHELL: sq_quote_buf(s, str); break; case QUOTE_PERL: if (len < 0) perl_quote_buf(s, str); else perl_quote_buf_with_len(s, str, len); break; case QUOTE_PYTHON: python_quote_buf(s, str); break; case QUOTE_TCL: tcl_quote_buf(s, str); break; } } static int append_atom(struct atom_value *v, struct ref_formatting_state *state, struct strbuf *err UNUSED) { /* * Quote formatting is only done when the stack has a single * element. Otherwise quote formatting is done on the * element's entire output strbuf when the %(end) atom is * encountered. */ if (!state->stack->prev) quote_formatting(&state->stack->output, v->s, v->s_size, state->quote_style); else if (v->s_size < 0) strbuf_addstr(&state->stack->output, v->s); else strbuf_add(&state->stack->output, v->s, v->s_size); return 0; } static void push_stack_element(struct ref_formatting_stack **stack) { struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack)); strbuf_init(&s->output, 0); s->prev = *stack; *stack = s; } static void pop_stack_element(struct ref_formatting_stack **stack) { struct ref_formatting_stack *current = *stack; struct ref_formatting_stack *prev = current->prev; if (prev) strbuf_addbuf(&prev->output, ¤t->output); strbuf_release(¤t->output); free(current); *stack = prev; } static void end_align_handler(struct ref_formatting_stack **stack) { struct ref_formatting_stack *cur = *stack; struct align *align = (struct align *)cur->at_end_data; struct strbuf s = STRBUF_INIT; strbuf_utf8_align(&s, align->position, align->width, cur->output.buf); strbuf_swap(&cur->output, &s); strbuf_release(&s); } static int align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, struct strbuf *err UNUSED) { struct ref_formatting_stack *new_stack; push_stack_element(&state->stack); new_stack = state->stack; new_stack->at_end = end_align_handler; new_stack->at_end_data = &atomv->atom->u.align; return 0; } static void if_then_else_handler(struct ref_formatting_stack **stack) { struct ref_formatting_stack *cur = *stack; struct ref_formatting_stack *prev = cur->prev; struct if_then_else *if_then_else = (struct if_then_else *)cur->at_end_data; if (!if_then_else->then_atom_seen) die(_("format: %%(%s) atom used without a %%(%s) atom"), "if", "then"); if (if_then_else->else_atom_seen) { /* * There is an %(else) atom: we need to drop one state from the * stack, either the %(else) branch if the condition is satisfied, or * the %(then) branch if it isn't. */ if (if_then_else->condition_satisfied) { strbuf_reset(&cur->output); pop_stack_element(&cur); } else { strbuf_swap(&cur->output, &prev->output); strbuf_reset(&cur->output); pop_stack_element(&cur); } } else if (!if_then_else->condition_satisfied) { /* * No %(else) atom: just drop the %(then) branch if the * condition is not satisfied. */ strbuf_reset(&cur->output); } *stack = cur; free(if_then_else); } static int if_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, struct strbuf *err UNUSED) { struct ref_formatting_stack *new_stack; struct if_then_else *if_then_else = xcalloc(1, sizeof(struct if_then_else)); if_then_else->str = atomv->atom->u.if_then_else.str; if_then_else->cmp_status = atomv->atom->u.if_then_else.cmp_status; push_stack_element(&state->stack); new_stack = state->stack; new_stack->at_end = if_then_else_handler; new_stack->at_end_data = if_then_else; return 0; } static int is_empty(struct strbuf *buf) { const char *cur = buf->buf; const char *end = buf->buf + buf->len; while (cur != end && (isspace(*cur))) cur++; return cur == end; } static int then_atom_handler(struct atom_value *atomv UNUSED, struct ref_formatting_state *state, struct strbuf *err) { struct ref_formatting_stack *cur = state->stack; struct if_then_else *if_then_else = NULL; size_t str_len = 0; if (cur->at_end == if_then_else_handler) if_then_else = (struct if_then_else *)cur->at_end_data; if (!if_then_else) return strbuf_addf_ret(err, -1, _("format: %%(%s) atom used without a %%(%s) atom"), "then", "if"); if (if_then_else->then_atom_seen) return strbuf_addf_ret(err, -1, _("format: %%(then) atom used more than once")); if (if_then_else->else_atom_seen) return strbuf_addf_ret(err, -1, _("format: %%(then) atom used after %%(else)")); if_then_else->then_atom_seen = 1; if (if_then_else->str) str_len = strlen(if_then_else->str); /* * If the 'equals' or 'notequals' attribute is used then * perform the required comparison. If not, only non-empty * strings satisfy the 'if' condition. */ if (if_then_else->cmp_status == COMPARE_EQUAL) { if (str_len == cur->output.len && !memcmp(if_then_else->str, cur->output.buf, cur->output.len)) if_then_else->condition_satisfied = 1; } else if (if_then_else->cmp_status == COMPARE_UNEQUAL) { if (str_len != cur->output.len || memcmp(if_then_else->str, cur->output.buf, cur->output.len)) if_then_else->condition_satisfied = 1; } else if (cur->output.len && !is_empty(&cur->output)) if_then_else->condition_satisfied = 1; strbuf_reset(&cur->output); return 0; } static int else_atom_handler(struct atom_value *atomv UNUSED, struct ref_formatting_state *state, struct strbuf *err) { struct ref_formatting_stack *prev = state->stack; struct if_then_else *if_then_else = NULL; if (prev->at_end == if_then_else_handler) if_then_else = (struct if_then_else *)prev->at_end_data; if (!if_then_else) return strbuf_addf_ret(err, -1, _("format: %%(%s) atom used without a %%(%s) atom"), "else", "if"); if (!if_then_else->then_atom_seen) return strbuf_addf_ret(err, -1, _("format: %%(%s) atom used without a %%(%s) atom"), "else", "then"); if (if_then_else->else_atom_seen) return strbuf_addf_ret(err, -1, _("format: %%(else) atom used more than once")); if_then_else->else_atom_seen = 1; push_stack_element(&state->stack); state->stack->at_end_data = prev->at_end_data; state->stack->at_end = prev->at_end; return 0; } static int end_atom_handler(struct atom_value *atomv UNUSED, struct ref_formatting_state *state, struct strbuf *err) { struct ref_formatting_stack *current = state->stack; struct strbuf s = STRBUF_INIT; if (!current->at_end) return strbuf_addf_ret(err, -1, _("format: %%(end) atom used without corresponding atom")); current->at_end(&state->stack); /* Stack may have been popped within at_end(), hence reset the current pointer */ current = state->stack; /* * Perform quote formatting when the stack element is that of * a supporting atom. If nested then perform quote formatting * only on the topmost supporting atom. */ if (!current->prev->prev) { quote_formatting(&s, current->output.buf, current->output.len, state->quote_style); strbuf_swap(¤t->output, &s); } strbuf_release(&s); pop_stack_element(&state->stack); return 0; } /* * In a format string, find the next occurrence of %(atom). */ static const char *find_next(const char *cp) { while (*cp) { if (*cp == '%') { /* * %( is the start of an atom; * %% is a quoted per-cent. */ if (cp[1] == '(') return cp; else if (cp[1] == '%') cp++; /* skip over two % */ /* otherwise this is a singleton, literal % */ } cp++; } return NULL; } static int reject_atom(enum atom_type atom_type) { return atom_type == ATOM_REST; } /* * Make sure the format string is well formed, and parse out * the used atoms. */ int verify_ref_format(struct ref_format *format) { const char *cp, *sp; format->need_color_reset_at_eol = 0; for (cp = format->format; *cp && (sp = find_next(cp)); ) { struct strbuf err = STRBUF_INIT; const char *color, *ep = strchr(sp, ')'); int at; if (!ep) return error(_("malformed format string %s"), sp); /* sp points at "%(" and ep points at the closing ")" */ at = parse_ref_filter_atom(format, sp + 2, ep, &err); if (at < 0) die("%s", err.buf); if (reject_atom(used_atom[at].atom_type)) die(_("this command reject atom %%(%.*s)"), (int)(ep - sp - 2), sp + 2); if ((format->quote_style == QUOTE_PYTHON || format->quote_style == QUOTE_SHELL || format->quote_style == QUOTE_TCL) && used_atom[at].atom_type == ATOM_RAW && used_atom[at].u.raw_data.option == RAW_BARE) die(_("--format=%.*s cannot be used with " "--python, --shell, --tcl"), (int)(ep - sp - 2), sp + 2); cp = ep + 1; if (skip_prefix(used_atom[at].name, "color:", &color)) format->need_color_reset_at_eol = !!strcmp(color, "reset"); strbuf_release(&err); } if (format->need_color_reset_at_eol && !want_color(format->use_color)) format->need_color_reset_at_eol = 0; return 0; } static const char *do_grab_oid(const char *field, const struct object_id *oid, struct used_atom *atom) { switch (atom->u.oid.option) { case O_FULL: return oid_to_hex(oid); case O_LENGTH: return repo_find_unique_abbrev(the_repository, oid, atom->u.oid.length); case O_SHORT: return repo_find_unique_abbrev(the_repository, oid, DEFAULT_ABBREV); default: BUG("unknown %%(%s) option", field); } } static int grab_oid(const char *name, const char *field, const struct object_id *oid, struct atom_value *v, struct used_atom *atom) { if (starts_with(name, field)) { v->s = xstrdup(do_grab_oid(field, oid, atom)); return 1; } return 0; } /* See grab_values */ static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi) { int i; for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i].name; enum atom_type atom_type = used_atom[i].atom_type; struct atom_value *v = &val[i]; if (!!deref != (*name == '*')) continue; if (deref) name++; if (atom_type == ATOM_OBJECTTYPE) v->s = xstrdup(type_name(oi->type)); else if (atom_type == ATOM_OBJECTSIZE) { if (used_atom[i].u.objectsize.option == O_SIZE_DISK) { v->value = oi->disk_size; v->s = xstrfmt("%"PRIuMAX, (uintmax_t)oi->disk_size); } else if (used_atom[i].u.objectsize.option == O_SIZE) { v->value = oi->size; v->s = xstrfmt("%"PRIuMAX , (uintmax_t)oi->size); } } else if (atom_type == ATOM_DELTABASE) v->s = xstrdup(oid_to_hex(&oi->delta_base_oid)); else if (atom_type == ATOM_OBJECTNAME && deref) grab_oid(name, "objectname", &oi->oid, v, &used_atom[i]); } } /* See grab_values */ static void grab_tag_values(struct atom_value *val, int deref, struct object *obj) { int i; struct tag *tag = (struct tag *) obj; for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i].name; enum atom_type atom_type = used_atom[i].atom_type; struct atom_value *v = &val[i]; if (!!deref != (*name == '*')) continue; if (deref) name++; if (atom_type == ATOM_TAG) v->s = xstrdup(tag->tag); else if (atom_type == ATOM_TYPE && tag->tagged) v->s = xstrdup(type_name(tag->tagged->type)); else if (atom_type == ATOM_OBJECT && tag->tagged) v->s = xstrdup(oid_to_hex(&tag->tagged->oid)); } } /* See grab_values */ static void grab_commit_values(struct atom_value *val, int deref, struct object *obj) { int i; struct commit *commit = (struct commit *) obj; for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i].name; enum atom_type atom_type = used_atom[i].atom_type; struct atom_value *v = &val[i]; if (!!deref != (*name == '*')) continue; if (deref) name++; if (atom_type == ATOM_TREE && grab_oid(name, "tree", get_commit_tree_oid(commit), v, &used_atom[i])) continue; if (atom_type == ATOM_NUMPARENT) { v->value = commit_list_count(commit->parents); v->s = xstrfmt("%lu", (unsigned long)v->value); } else if (atom_type == ATOM_PARENT) { struct commit_list *parents; struct strbuf s = STRBUF_INIT; for (parents = commit->parents; parents; parents = parents->next) { struct object_id *oid = &parents->item->object.oid; if (parents != commit->parents) strbuf_addch(&s, ' '); strbuf_addstr(&s, do_grab_oid("parent", oid, &used_atom[i])); } v->s = strbuf_detach(&s, NULL); } } } static const char *find_wholine(const char *who, int wholen, const char *buf) { const char *eol; while (*buf) { if (!strncmp(buf, who, wholen) && buf[wholen] == ' ') return buf + wholen + 1; eol = strchr(buf, '\n'); if (!eol) return ""; eol++; if (*eol == '\n') return ""; /* end of header */ buf = eol; } return ""; } static const char *copy_line(const char *buf) { const char *eol = strchrnul(buf, '\n'); return xmemdupz(buf, eol - buf); } static const char *copy_name(const char *buf) { const char *cp; for (cp = buf; *cp && *cp != '\n'; cp++) { if (starts_with(cp, " <")) return xmemdupz(buf, cp - buf); } return xstrdup(""); } static const char *find_end_of_email(const char *email, int opt) { const char *eoemail; if (opt & EO_LOCALPART) { eoemail = strchr(email, '@'); if (eoemail) return eoemail; return strchr(email, '>'); } if (opt & EO_TRIM) return strchr(email, '>'); /* * The option here is either the raw email option or the raw * mailmap option (that is EO_RAW or EO_MAILMAP). In such cases, * we directly grab the whole email including the closing * angle brackets. * * If EO_MAILMAP was set with any other option (that is either * EO_TRIM or EO_LOCALPART), we already grab the end of email * above. */ eoemail = strchr(email, '>'); if (eoemail) eoemail++; return eoemail; } static const char *copy_email(const char *buf, struct used_atom *atom) { const char *email = strchr(buf, '<'); const char *eoemail; int opt = atom->u.email_option.option; if (!email) return xstrdup(""); if (opt & (EO_LOCALPART | EO_TRIM)) email++; eoemail = find_end_of_email(email, opt); if (!eoemail) return xstrdup(""); return xmemdupz(email, eoemail - email); } static char *copy_subject(const char *buf, unsigned long len) { struct strbuf sb = STRBUF_INIT; int i; for (i = 0; i < len; i++) { if (buf[i] == '\r' && i + 1 < len && buf[i + 1] == '\n') continue; /* ignore CR in CRLF */ if (buf[i] == '\n') strbuf_addch(&sb, ' '); else strbuf_addch(&sb, buf[i]); } return strbuf_detach(&sb, NULL); } static void grab_date(const char *buf, struct atom_value *v, const char *atomname) { const char *eoemail = strstr(buf, "> "); char *zone; timestamp_t timestamp; long tz; struct date_mode date_mode = DATE_MODE_INIT; const char *formatp; /* * We got here because atomname ends in "date" or "date"; * it's not possible that is not ":" because * parse_ref_filter_atom() wouldn't have allowed it, so we can assume that no * ":" means no format is specified, and use the default. */ formatp = strchr(atomname, ':'); if (formatp) { formatp++; parse_date_format(formatp, &date_mode); /* * If this is a sort field and a format was specified, we'll * want to compare formatted date by string value. */ v->atom->type = FIELD_STR; } if (!eoemail) goto bad; timestamp = parse_timestamp(eoemail + 2, &zone, 10); if (timestamp == TIME_MAX) goto bad; tz = strtol(zone, NULL, 10); if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE) goto bad; v->s = xstrdup(show_date(timestamp, tz, date_mode)); v->value = timestamp; date_mode_release(&date_mode); return; bad: v->s = xstrdup(""); v->value = 0; } static struct string_list mailmap = STRING_LIST_INIT_NODUP; /* See grab_values */ static void grab_person(const char *who, struct atom_value *val, int deref, void *buf) { int i; int wholen = strlen(who); const char *wholine = NULL; const char *headers[] = { "author ", "committer ", "tagger ", NULL }; for (i = 0; i < used_atom_cnt; i++) { struct used_atom *atom = &used_atom[i]; const char *name = atom->name; struct atom_value *v = &val[i]; struct strbuf mailmap_buf = STRBUF_INIT; if (!!deref != (*name == '*')) continue; if (deref) name++; if (strncmp(who, name, wholen)) continue; if (name[wholen] != 0 && !starts_with(name + wholen, "name") && !starts_with(name + wholen, "email") && !starts_with(name + wholen, "date")) continue; if ((starts_with(name + wholen, "name") && (atom->u.name_option.option == N_MAILMAP)) || (starts_with(name + wholen, "email") && (atom->u.email_option.option & EO_MAILMAP))) { if (!mailmap.items) read_mailmap(&mailmap); strbuf_addstr(&mailmap_buf, buf); apply_mailmap_to_header(&mailmap_buf, headers, &mailmap); wholine = find_wholine(who, wholen, mailmap_buf.buf); } else { wholine = find_wholine(who, wholen, buf); } if (!wholine) return; /* no point looking for it */ if (name[wholen] == 0) v->s = copy_line(wholine); else if (starts_with(name + wholen, "name")) v->s = copy_name(wholine); else if (starts_with(name + wholen, "email")) v->s = copy_email(wholine, &used_atom[i]); else if (starts_with(name + wholen, "date")) grab_date(wholine, v, name); strbuf_release(&mailmap_buf); } /* * For a tag or a commit object, if "creator" or "creatordate" is * requested, do something special. */ if (strcmp(who, "tagger") && strcmp(who, "committer")) return; /* "author" for commit object is not wanted */ if (!wholine) wholine = find_wholine(who, wholen, buf); if (!wholine) return; for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i].name; enum atom_type atom_type = used_atom[i].atom_type; struct atom_value *v = &val[i]; if (!!deref != (*name == '*')) continue; if (deref) name++; if (atom_type == ATOM_CREATORDATE) grab_date(wholine, v, name); else if (atom_type == ATOM_CREATOR) v->s = copy_line(wholine); } } static void grab_signature(struct atom_value *val, int deref, struct object *obj) { int i; struct commit *commit = (struct commit *) obj; struct signature_check sigc = { 0 }; int signature_checked = 0; for (i = 0; i < used_atom_cnt; i++) { struct used_atom *atom = &used_atom[i]; const char *name = atom->name; struct atom_value *v = &val[i]; int opt; if (!!deref != (*name == '*')) continue; if (deref) name++; if (!skip_prefix(name, "signature", &name) || (*name && *name != ':')) continue; if (!*name) name = NULL; else name++; opt = parse_signature_option(name); if (opt < 0) continue; if (!signature_checked) { check_commit_signature(commit, &sigc); signature_checked = 1; } switch (opt) { case S_BARE: v->s = xstrdup(sigc.output ? sigc.output: ""); break; case S_SIGNER: v->s = xstrdup(sigc.signer ? sigc.signer : ""); break; case S_GRADE: switch (sigc.result) { case 'G': switch (sigc.trust_level) { case TRUST_UNDEFINED: case TRUST_NEVER: v->s = xstrfmt("%c", (char)'U'); break; default: v->s = xstrfmt("%c", (char)'G'); break; } break; case 'B': case 'E': case 'N': case 'X': case 'Y': case 'R': v->s = xstrfmt("%c", (char)sigc.result); break; } break; case S_KEY: v->s = xstrdup(sigc.key ? sigc.key : ""); break; case S_FINGERPRINT: v->s = xstrdup(sigc.fingerprint ? sigc.fingerprint : ""); break; case S_PRI_KEY_FP: v->s = xstrdup(sigc.primary_key_fingerprint ? sigc.primary_key_fingerprint : ""); break; case S_TRUST_LEVEL: v->s = xstrdup(gpg_trust_level_to_str(sigc.trust_level)); break; } } if (signature_checked) signature_check_clear(&sigc); } static void find_subpos(const char *buf, const char **sub, size_t *sublen, const char **body, size_t *bodylen, size_t *nonsiglen, const char **sig, size_t *siglen) { struct strbuf payload = STRBUF_INIT; struct strbuf signature = STRBUF_INIT; const char *eol; const char *end = buf + strlen(buf); const char *sigstart; /* parse signature first; we might not even have a subject line */ parse_signature(buf, end - buf, &payload, &signature); strbuf_release(&payload); /* skip past header until we hit empty line */ while (*buf && *buf != '\n') { eol = strchrnul(buf, '\n'); if (*eol) eol++; buf = eol; } /* skip any empty lines */ while (*buf == '\n') buf++; *sig = strbuf_detach(&signature, siglen); sigstart = buf + parse_signed_buffer(buf, strlen(buf)); /* subject is first non-empty line */ *sub = buf; /* subject goes to first empty line before signature begins */ if ((eol = strstr(*sub, "\n\n")) || (eol = strstr(*sub, "\r\n\r\n"))) { eol = eol < sigstart ? eol : sigstart; } else { /* treat whole message as subject */ eol = sigstart; } buf = eol; *sublen = buf - *sub; /* drop trailing newline, if present */ while (*sublen && ((*sub)[*sublen - 1] == '\n' || (*sub)[*sublen - 1] == '\r')) *sublen -= 1; /* skip any empty lines */ while (*buf == '\n' || *buf == '\r') buf++; *body = buf; *bodylen = strlen(buf); *nonsiglen = sigstart - buf; } /* * If 'lines' is greater than 0, append that many lines from the given * 'buf' of length 'size' to the given strbuf. */ static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines) { int i; const char *sp, *eol; size_t len; sp = buf; for (i = 0; i < lines && sp < buf + size; i++) { if (i) strbuf_addstr(out, "\n "); eol = memchr(sp, '\n', size - (sp - buf)); len = eol ? eol - sp : size - (sp - buf); strbuf_add(out, sp, len); if (!eol) break; sp = eol + 1; } } static void grab_describe_values(struct atom_value *val, int deref, struct object *obj) { struct commit *commit = (struct commit *)obj; int i; for (i = 0; i < used_atom_cnt; i++) { struct used_atom *atom = &used_atom[i]; enum atom_type type = atom->atom_type; const char *name = atom->name; struct atom_value *v = &val[i]; struct child_process cmd = CHILD_PROCESS_INIT; struct strbuf out = STRBUF_INIT; struct strbuf err = STRBUF_INIT; if (type != ATOM_DESCRIBE) continue; if (!!deref != (*name == '*')) continue; cmd.git_cmd = 1; strvec_push(&cmd.args, "describe"); strvec_pushv(&cmd.args, atom->u.describe_args); strvec_push(&cmd.args, oid_to_hex(&commit->object.oid)); if (pipe_command(&cmd, NULL, 0, &out, 0, &err, 0) < 0) { error(_("failed to run 'describe'")); v->s = xstrdup(""); continue; } strbuf_rtrim(&out); v->s = strbuf_detach(&out, NULL); strbuf_release(&err); } } /* See grab_values */ static void grab_sub_body_contents(struct atom_value *val, int deref, struct expand_data *data) { int i; const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; size_t sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; void *buf = data->content; for (i = 0; i < used_atom_cnt; i++) { struct used_atom *atom = &used_atom[i]; const char *name = atom->name; struct atom_value *v = &val[i]; enum atom_type atom_type = atom->atom_type; if (!!deref != (*name == '*')) continue; if (deref) name++; if (atom_type == ATOM_RAW) { unsigned long buf_size = data->size; if (atom->u.raw_data.option == RAW_BARE) { v->s = xmemdupz(buf, buf_size); v->s_size = buf_size; } else if (atom->u.raw_data.option == RAW_LENGTH) { v->value = buf_size; v->s = xstrfmt("%"PRIuMAX, v->value); } continue; } if ((data->type != OBJ_TAG && data->type != OBJ_COMMIT) || (strcmp(name, "body") && !starts_with(name, "subject") && !starts_with(name, "trailers") && !starts_with(name, "contents"))) continue; if (!subpos) find_subpos(buf, &subpos, &sublen, &bodypos, &bodylen, &nonsiglen, &sigpos, &siglen); if (atom->u.contents.option == C_SUB) v->s = copy_subject(subpos, sublen); else if (atom->u.contents.option == C_SUB_SANITIZE) { struct strbuf sb = STRBUF_INIT; format_sanitized_subject(&sb, subpos, sublen); v->s = strbuf_detach(&sb, NULL); } else if (atom->u.contents.option == C_BODY_DEP) v->s = xmemdupz(bodypos, bodylen); else if (atom->u.contents.option == C_LENGTH) { v->value = strlen(subpos); v->s = xstrfmt("%"PRIuMAX, v->value); } else if (atom->u.contents.option == C_BODY) v->s = xmemdupz(bodypos, nonsiglen); else if (atom->u.contents.option == C_SIG) v->s = xmemdupz(sigpos, siglen); else if (atom->u.contents.option == C_LINES) { struct strbuf s = STRBUF_INIT; const char *contents_end = bodypos + nonsiglen; /* Size is the length of the message after removing the signature */ append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines); v->s = strbuf_detach(&s, NULL); } else if (atom->u.contents.option == C_TRAILERS) { struct strbuf s = STRBUF_INIT; /* Format the trailer info according to the trailer_opts given */ format_trailers_from_commit(&atom->u.contents.trailer_opts, subpos, &s); v->s = strbuf_detach(&s, NULL); } else if (atom->u.contents.option == C_BARE) v->s = xstrdup(subpos); } free((void *)sigpos); } /* * We want to have empty print-string for field requests * that do not apply (e.g. "authordate" for a tag object) */ static void fill_missing_values(struct atom_value *val) { int i; for (i = 0; i < used_atom_cnt; i++) { struct atom_value *v = &val[i]; if (!v->s) v->s = xstrdup(""); } } /* * val is a list of atom_value to hold returned values. Extract * the values for atoms in used_atom array out of (obj, buf, sz). * when deref is false, (obj, buf, sz) is the object that is * pointed at by the ref itself; otherwise it is the object the * ref (which is a tag) refers to. */ static void grab_values(struct atom_value *val, int deref, struct object *obj, struct expand_data *data) { void *buf = data->content; switch (obj->type) { case OBJ_TAG: grab_tag_values(val, deref, obj); grab_sub_body_contents(val, deref, data); grab_person("tagger", val, deref, buf); grab_describe_values(val, deref, obj); break; case OBJ_COMMIT: grab_commit_values(val, deref, obj); grab_sub_body_contents(val, deref, data); grab_person("author", val, deref, buf); grab_person("committer", val, deref, buf); grab_signature(val, deref, obj); grab_describe_values(val, deref, obj); break; case OBJ_TREE: /* grab_tree_values(val, deref, obj, buf, sz); */ grab_sub_body_contents(val, deref, data); break; case OBJ_BLOB: /* grab_blob_values(val, deref, obj, buf, sz); */ grab_sub_body_contents(val, deref, data); break; default: die("Eh? Object of type %d?", obj->type); } } static inline char *copy_advance(char *dst, const char *src) { while (*src) *dst++ = *src++; return dst; } static const char *lstrip_ref_components(const char *refname, int len) { long remaining = len; const char *start = xstrdup(refname); const char *to_free = start; if (len < 0) { int i; const char *p = refname; /* Find total no of '/' separated path-components */ for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) ; /* * The number of components we need to strip is now * the total minus the components to be left (Plus one * because we count the number of '/', but the number * of components is one more than the no of '/'). */ remaining = i + len + 1; } while (remaining > 0) { switch (*start++) { case '\0': free((char *)to_free); return xstrdup(""); case '/': remaining--; break; } } start = xstrdup(start); free((char *)to_free); return start; } static const char *rstrip_ref_components(const char *refname, int len) { long remaining = len; const char *start = xstrdup(refname); const char *to_free = start; if (len < 0) { int i; const char *p = refname; /* Find total no of '/' separated path-components */ for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) ; /* * The number of components we need to strip is now * the total minus the components to be left (Plus one * because we count the number of '/', but the number * of components is one more than the no of '/'). */ remaining = i + len + 1; } while (remaining-- > 0) { char *p = strrchr(start, '/'); if (!p) { free((char *)to_free); return xstrdup(""); } else p[0] = '\0'; } return start; } static const char *show_ref(struct refname_atom *atom, const char *refname) { if (atom->option == R_SHORT) return refs_shorten_unambiguous_ref(get_main_ref_store(the_repository), refname, warn_ambiguous_refs); else if (atom->option == R_LSTRIP) return lstrip_ref_components(refname, atom->lstrip); else if (atom->option == R_RSTRIP) return rstrip_ref_components(refname, atom->rstrip); else return xstrdup(refname); } static void fill_remote_ref_details(struct used_atom *atom, const char *refname, struct branch *branch, const char **s) { int num_ours, num_theirs; if (atom->u.remote_ref.option == RR_REF) *s = show_ref(&atom->u.remote_ref.refname, refname); else if (atom->u.remote_ref.option == RR_TRACK) { if (stat_tracking_info(branch, &num_ours, &num_theirs, NULL, atom->u.remote_ref.push, AHEAD_BEHIND_FULL) < 0) { *s = xstrdup(msgs.gone); } else if (!num_ours && !num_theirs) *s = xstrdup(""); else if (!num_ours) *s = xstrfmt(msgs.behind, num_theirs); else if (!num_theirs) *s = xstrfmt(msgs.ahead, num_ours); else *s = xstrfmt(msgs.ahead_behind, num_ours, num_theirs); if (!atom->u.remote_ref.nobracket && *s[0]) { const char *to_free = *s; *s = xstrfmt("[%s]", *s); free((void *)to_free); } } else if (atom->u.remote_ref.option == RR_TRACKSHORT) { if (stat_tracking_info(branch, &num_ours, &num_theirs, NULL, atom->u.remote_ref.push, AHEAD_BEHIND_FULL) < 0) { *s = xstrdup(""); return; } if (!num_ours && !num_theirs) *s = xstrdup("="); else if (!num_ours) *s = xstrdup("<"); else if (!num_theirs) *s = xstrdup(">"); else *s = xstrdup("<>"); } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) { int explicit; const char *remote = atom->u.remote_ref.push ? pushremote_for_branch(branch, &explicit) : remote_for_branch(branch, &explicit); *s = xstrdup(explicit ? remote : ""); } else if (atom->u.remote_ref.option == RR_REMOTE_REF) { const char *merge; merge = remote_ref_for_branch(branch, atom->u.remote_ref.push); *s = xstrdup(merge ? merge : ""); } else BUG("unhandled RR_* enum"); } char *get_head_description(void) { struct strbuf desc = STRBUF_INIT; struct wt_status_state state; memset(&state, 0, sizeof(state)); wt_status_get_state(the_repository, &state, 1); if (state.rebase_in_progress || state.rebase_interactive_in_progress) { if (state.branch) strbuf_addf(&desc, _("(no branch, rebasing %s)"), state.branch); else strbuf_addf(&desc, _("(no branch, rebasing detached HEAD %s)"), state.detached_from); } else if (state.bisect_in_progress) strbuf_addf(&desc, _("(no branch, bisect started on %s)"), state.bisecting_from); else if (state.detached_from) { if (state.detached_at) strbuf_addf(&desc, _("(HEAD detached at %s)"), state.detached_from); else strbuf_addf(&desc, _("(HEAD detached from %s)"), state.detached_from); } else strbuf_addstr(&desc, _("(no branch)")); wt_status_state_free_buffers(&state); return strbuf_detach(&desc, NULL); } static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) { if (!ref->symref) return xstrdup(""); else return show_ref(&atom->u.refname, ref->symref); } static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) { if (ref->kind & FILTER_REFS_DETACHED_HEAD) return get_head_description(); return show_ref(&atom->u.refname, ref->refname); } static int get_object(struct ref_array_item *ref, int deref, struct object **obj, struct expand_data *oi, struct strbuf *err) { /* parse_object_buffer() will set eaten to 0 if free() will be needed */ int eaten = 1; if (oi->info.contentp) { /* We need to know that to use parse_object_buffer properly */ oi->info.sizep = &oi->size; oi->info.typep = &oi->type; } if (oid_object_info_extended(the_repository, &oi->oid, &oi->info, OBJECT_INFO_LOOKUP_REPLACE)) return strbuf_addf_ret(err, -1, _("missing object %s for %s"), oid_to_hex(&oi->oid), ref->refname); if (oi->info.disk_sizep && oi->disk_size < 0) BUG("Object size is less than zero."); if (oi->info.contentp) { *obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten); if (!*obj) { if (!eaten) free(oi->content); return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"), oid_to_hex(&oi->oid), ref->refname); } grab_values(ref->value, deref, *obj, oi); } grab_common_values(ref->value, deref, oi); if (!eaten) free(oi->content); return 0; } static void populate_worktree_map(struct hashmap *map, struct worktree **worktrees) { int i; for (i = 0; worktrees[i]; i++) { if (worktrees[i]->head_ref) { struct ref_to_worktree_entry *entry; entry = xmalloc(sizeof(*entry)); entry->wt = worktrees[i]; hashmap_entry_init(&entry->ent, strhash(worktrees[i]->head_ref)); hashmap_add(map, &entry->ent); } } } static void lazy_init_worktree_map(void) { if (ref_to_worktree_map.worktrees) return; ref_to_worktree_map.worktrees = get_worktrees(); hashmap_init(&(ref_to_worktree_map.map), ref_to_worktree_map_cmpfnc, NULL, 0); populate_worktree_map(&(ref_to_worktree_map.map), ref_to_worktree_map.worktrees); } static char *get_worktree_path(const struct ref_array_item *ref) { struct hashmap_entry entry, *e; struct ref_to_worktree_entry *lookup_result; lazy_init_worktree_map(); hashmap_entry_init(&entry, strhash(ref->refname)); e = hashmap_get(&(ref_to_worktree_map.map), &entry, ref->refname); if (!e) return xstrdup(""); lookup_result = container_of(e, struct ref_to_worktree_entry, ent); return xstrdup(lookup_result->wt->path); } /* * Parse the object referred by ref, and grab needed value. */ static int populate_value(struct ref_array_item *ref, struct strbuf *err) { struct object *obj; int i; struct object_info empty = OBJECT_INFO_INIT; int ahead_behind_atoms = 0; CALLOC_ARRAY(ref->value, used_atom_cnt); if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { ref->symref = refs_resolve_refdup(get_main_ref_store(the_repository), ref->refname, RESOLVE_REF_READING, NULL, NULL); if (!ref->symref) ref->symref = xstrdup(""); } /* Fill in specials first */ for (i = 0; i < used_atom_cnt; i++) { struct used_atom *atom = &used_atom[i]; enum atom_type atom_type = atom->atom_type; const char *name = used_atom[i].name; struct atom_value *v = &ref->value[i]; int deref = 0; const char *refname; struct branch *branch = NULL; v->s_size = ATOM_SIZE_UNSPECIFIED; v->handler = append_atom; v->value = 0; v->atom = atom; if (*name == '*') { deref = 1; name++; } if (atom_type == ATOM_REFNAME) refname = get_refname(atom, ref); else if (atom_type == ATOM_WORKTREEPATH) { if (ref->kind == FILTER_REFS_BRANCHES) v->s = get_worktree_path(ref); else v->s = xstrdup(""); continue; } else if (atom_type == ATOM_SYMREF) refname = get_symref(atom, ref); else if (atom_type == ATOM_UPSTREAM) { const char *branch_name; /* only local branches may have an upstream */ if (!skip_prefix(ref->refname, "refs/heads/", &branch_name)) { v->s = xstrdup(""); continue; } branch = branch_get(branch_name); refname = branch_get_upstream(branch, NULL); if (refname) fill_remote_ref_details(atom, refname, branch, &v->s); else v->s = xstrdup(""); continue; } else if (atom_type == ATOM_PUSH && atom->u.remote_ref.push) { const char *branch_name; v->s = xstrdup(""); if (!skip_prefix(ref->refname, "refs/heads/", &branch_name)) continue; branch = branch_get(branch_name); if (atom->u.remote_ref.push_remote) refname = NULL; else { refname = branch_get_push(branch, NULL); if (!refname) continue; } /* We will definitely re-init v->s on the next line. */ free((char *)v->s); fill_remote_ref_details(atom, refname, branch, &v->s); continue; } else if (atom_type == ATOM_COLOR) { v->s = xstrdup(atom->u.color); continue; } else if (atom_type == ATOM_FLAG) { char buf[256], *cp = buf; if (ref->flag & REF_ISSYMREF) cp = copy_advance(cp, ",symref"); if (ref->flag & REF_ISPACKED) cp = copy_advance(cp, ",packed"); if (cp == buf) v->s = xstrdup(""); else { *cp = '\0'; v->s = xstrdup(buf + 1); } continue; } else if (!deref && atom_type == ATOM_OBJECTNAME && grab_oid(name, "objectname", &ref->objectname, v, atom)) { continue; } else if (atom_type == ATOM_HEAD) { if (atom->u.head && !strcmp(ref->refname, atom->u.head)) v->s = xstrdup("*"); else v->s = xstrdup(" "); continue; } else if (atom_type == ATOM_ALIGN) { v->handler = align_atom_handler; v->s = xstrdup(""); continue; } else if (atom_type == ATOM_END) { v->handler = end_atom_handler; v->s = xstrdup(""); continue; } else if (atom_type == ATOM_IF) { const char *s; if (skip_prefix(name, "if:", &s)) v->s = xstrdup(s); else v->s = xstrdup(""); v->handler = if_atom_handler; continue; } else if (atom_type == ATOM_THEN) { v->handler = then_atom_handler; v->s = xstrdup(""); continue; } else if (atom_type == ATOM_ELSE) { v->handler = else_atom_handler; v->s = xstrdup(""); continue; } else if (atom_type == ATOM_REST) { if (ref->rest) v->s = xstrdup(ref->rest); else v->s = xstrdup(""); continue; } else if (atom_type == ATOM_AHEADBEHIND) { if (ref->counts) { const struct ahead_behind_count *count; count = ref->counts[ahead_behind_atoms++]; v->s = xstrfmt("%d %d", count->ahead, count->behind); } else { /* Not a commit. */ v->s = xstrdup(""); } continue; } else continue; if (!deref) v->s = xstrdup(refname); else v->s = xstrfmt("%s^{}", refname); free((char *)refname); } for (i = 0; i < used_atom_cnt; i++) { struct atom_value *v = &ref->value[i]; if (v->s == NULL && used_atom[i].source == SOURCE_NONE) return strbuf_addf_ret(err, -1, _("missing object %s for %s"), oid_to_hex(&ref->objectname), ref->refname); } if (need_tagged) oi.info.contentp = &oi.content; if (!memcmp(&oi.info, &empty, sizeof(empty)) && !memcmp(&oi_deref.info, &empty, sizeof(empty))) return 0; oi.oid = ref->objectname; if (get_object(ref, 0, &obj, &oi, err)) return -1; /* * If there is no atom that wants to know about tagged * object, we are done. */ if (!need_tagged || (obj->type != OBJ_TAG)) return 0; /* * If it is a tag object, see if we use the peeled value. If we do, * grab the peeled OID. */ if (need_tagged && peel_iterated_oid(the_repository, &obj->oid, &oi_deref.oid)) die("bad tag"); return get_object(ref, 1, &obj, &oi_deref, err); } /* * Given a ref, return the value for the atom. This lazily gets value * out of the object by calling populate value. */ static int get_ref_atom_value(struct ref_array_item *ref, int atom, struct atom_value **v, struct strbuf *err) { if (!ref->value) { if (populate_value(ref, err)) return -1; fill_missing_values(ref->value); } *v = &ref->value[atom]; return 0; } /* * Return 1 if the refname matches one of the patterns, otherwise 0. * A pattern can be a literal prefix (e.g. a refname "refs/heads/master" * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref * matches "refs/heads/mas*", too). */ static int match_pattern(const char **patterns, const char *refname, int ignore_case) { unsigned flags = 0; if (ignore_case) flags |= WM_CASEFOLD; /* * When no '--format' option is given we need to skip the prefix * for matching refs of tags and branches. */ (void)(skip_prefix(refname, "refs/tags/", &refname) || skip_prefix(refname, "refs/heads/", &refname) || skip_prefix(refname, "refs/remotes/", &refname) || skip_prefix(refname, "refs/", &refname)); for (; *patterns; patterns++) { if (!wildmatch(*patterns, refname, flags)) return 1; } return 0; } /* * Return 1 if the refname matches one of the patterns, otherwise 0. * A pattern can be path prefix (e.g. a refname "refs/heads/master" * matches a pattern "refs/heads/" but not "refs/heads/m") or a * wildcard (e.g. the same ref matches "refs/heads/m*", too). */ static int match_name_as_path(const char **pattern, const char *refname, int ignore_case) { int namelen = strlen(refname); unsigned flags = WM_PATHNAME; if (ignore_case) flags |= WM_CASEFOLD; for (; *pattern; pattern++) { const char *p = *pattern; int plen = strlen(p); if ((plen <= namelen) && !strncmp(refname, p, plen) && (refname[plen] == '\0' || refname[plen] == '/' || p[plen-1] == '/')) return 1; if (!wildmatch(p, refname, flags)) return 1; } return 0; } /* Return 1 if the refname matches one of the patterns, otherwise 0. */ static int filter_pattern_match(struct ref_filter *filter, const char *refname) { if (!*filter->name_patterns) return 1; /* No pattern always matches */ if (filter->match_as_path) return match_name_as_path(filter->name_patterns, refname, filter->ignore_case); return match_pattern(filter->name_patterns, refname, filter->ignore_case); } static int filter_exclude_match(struct ref_filter *filter, const char *refname) { if (!filter->exclude.nr) return 0; if (filter->match_as_path) return match_name_as_path(filter->exclude.v, refname, filter->ignore_case); return match_pattern(filter->exclude.v, refname, filter->ignore_case); } /* * This is the same as for_each_fullref_in(), but it tries to iterate * only over the patterns we'll care about. Note that it _doesn't_ do a full * pattern match, so the callback still has to match each ref individually. */ static int for_each_fullref_in_pattern(struct ref_filter *filter, each_ref_fn cb, void *cb_data) { if (filter->kind == FILTER_REFS_KIND_MASK) { /* In this case, we want to print all refs including root refs. */ return refs_for_each_include_root_refs(get_main_ref_store(the_repository), cb, cb_data); } if (!filter->match_as_path) { /* * in this case, the patterns are applied after * prefixes like "refs/heads/" etc. are stripped off, * so we have to look at everything: */ return refs_for_each_fullref_in(get_main_ref_store(the_repository), "", NULL, cb, cb_data); } if (filter->ignore_case) { /* * we can't handle case-insensitive comparisons, * so just return everything and let the caller * sort it out. */ return refs_for_each_fullref_in(get_main_ref_store(the_repository), "", NULL, cb, cb_data); } if (!filter->name_patterns[0]) { /* no patterns; we have to look at everything */ return refs_for_each_fullref_in(get_main_ref_store(the_repository), "", filter->exclude.v, cb, cb_data); } return refs_for_each_fullref_in_prefixes(get_main_ref_store(the_repository), NULL, filter->name_patterns, filter->exclude.v, cb, cb_data); } /* * Given a ref (oid, refname), check if the ref belongs to the array * of oids. If the given ref is a tag, check if the given tag points * at one of the oids in the given oid array. Returns non-zero if a * match is found. * * NEEDSWORK: * As the refs are cached we might know what refname peels to without * the need to parse the object via parse_object(). peel_ref() might be a * more efficient alternative to obtain the pointee. */ static int match_points_at(struct oid_array *points_at, const struct object_id *oid, const char *refname) { struct object *obj; if (oid_array_lookup(points_at, oid) >= 0) return 1; obj = parse_object_with_flags(the_repository, oid, PARSE_OBJECT_SKIP_HASH_CHECK); while (obj && obj->type == OBJ_TAG) { struct tag *tag = (struct tag *)obj; if (parse_tag(tag) < 0) { obj = NULL; break; } if (oid_array_lookup(points_at, get_tagged_oid(tag)) >= 0) return 1; obj = tag->tagged; } if (!obj) die(_("malformed object at '%s'"), refname); return 0; } /* * Allocate space for a new ref_array_item and copy the name and oid to it. * * Callers can then fill in other struct members at their leisure. */ static struct ref_array_item *new_ref_array_item(const char *refname, const struct object_id *oid) { struct ref_array_item *ref; FLEX_ALLOC_STR(ref, refname, refname); oidcpy(&ref->objectname, oid); ref->rest = NULL; return ref; } static void ref_array_append(struct ref_array *array, struct ref_array_item *ref) { ALLOC_GROW(array->items, array->nr + 1, array->alloc); array->items[array->nr++] = ref; } struct ref_array_item *ref_array_push(struct ref_array *array, const char *refname, const struct object_id *oid) { struct ref_array_item *ref = new_ref_array_item(refname, oid); ref_array_append(array, ref); return ref; } static int ref_kind_from_refname(const char *refname) { unsigned int i; static struct { const char *prefix; unsigned int kind; } ref_kind[] = { { "refs/heads/" , FILTER_REFS_BRANCHES }, { "refs/remotes/" , FILTER_REFS_REMOTES }, { "refs/tags/", FILTER_REFS_TAGS} }; if (!strcmp(refname, "HEAD")) return FILTER_REFS_DETACHED_HEAD; for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { if (starts_with(refname, ref_kind[i].prefix)) return ref_kind[i].kind; } if (is_pseudoref(get_main_ref_store(the_repository), refname)) return FILTER_REFS_PSEUDOREFS; return FILTER_REFS_OTHERS; } static int filter_ref_kind(struct ref_filter *filter, const char *refname) { if (filter->kind == FILTER_REFS_BRANCHES || filter->kind == FILTER_REFS_REMOTES || filter->kind == FILTER_REFS_TAGS) return filter->kind; return ref_kind_from_refname(refname); } static struct ref_array_item *apply_ref_filter(const char *refname, const struct object_id *oid, int flag, struct ref_filter *filter) { struct ref_array_item *ref; struct commit *commit = NULL; unsigned int kind; if (flag & REF_BAD_NAME) { warning(_("ignoring ref with broken name %s"), refname); return NULL; } if (flag & REF_ISBROKEN) { warning(_("ignoring broken ref %s"), refname); return NULL; } /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ kind = filter_ref_kind(filter, refname); /* * Generally HEAD refs are printed with special description denoting a rebase, * detached state and so forth. This is useful when only printing the HEAD ref * But when it is being printed along with other pseudorefs, it makes sense to * keep the formatting consistent. So we mask the type to act like a pseudoref. */ if (filter->kind == FILTER_REFS_KIND_MASK && kind == FILTER_REFS_DETACHED_HEAD) kind = FILTER_REFS_PSEUDOREFS; else if (!(kind & filter->kind)) return NULL; if (!filter_pattern_match(filter, refname)) return NULL; if (filter_exclude_match(filter, refname)) return NULL; if (filter->points_at.nr && !match_points_at(&filter->points_at, oid, refname)) return NULL; /* * A merge filter is applied on refs pointing to commits. Hence * obtain the commit using the 'oid' available and discard all * non-commits early. The actual filtering is done later. */ if (filter->reachable_from || filter->unreachable_from || filter->with_commit || filter->no_commit || filter->verbose) { commit = lookup_commit_reference_gently(the_repository, oid, 1); if (!commit) return NULL; /* We perform the filtering for the '--contains' option... */ if (filter->with_commit && !commit_contains(filter, commit, filter->with_commit, &filter->internal.contains_cache)) return NULL; /* ...or for the `--no-contains' option */ if (filter->no_commit && commit_contains(filter, commit, filter->no_commit, &filter->internal.no_contains_cache)) return NULL; } /* * We do not open the object yet; sort may only need refname * to do its job and the resulting list may yet to be pruned * by maxcount logic. */ ref = new_ref_array_item(refname, oid); ref->commit = commit; ref->flag = flag; ref->kind = kind; return ref; } struct ref_filter_cbdata { struct ref_array *array; struct ref_filter *filter; }; /* * A call-back given to for_each_ref(). Filter refs and keep them for * later object processing. */ static int filter_one(const char *refname, const struct object_id *oid, int flag, void *cb_data) { struct ref_filter_cbdata *ref_cbdata = cb_data; struct ref_array_item *ref; ref = apply_ref_filter(refname, oid, flag, ref_cbdata->filter); if (ref) ref_array_append(ref_cbdata->array, ref); return 0; } /* Free memory allocated for a ref_array_item */ static void free_array_item(struct ref_array_item *item) { free((char *)item->symref); if (item->value) { int i; for (i = 0; i < used_atom_cnt; i++) free((char *)item->value[i].s); free(item->value); } free(item->counts); free(item); } struct ref_filter_and_format_cbdata { struct ref_filter *filter; struct ref_format *format; struct ref_filter_and_format_internal { int count; } internal; }; static int filter_and_format_one(const char *refname, const struct object_id *oid, int flag, void *cb_data) { struct ref_filter_and_format_cbdata *ref_cbdata = cb_data; struct ref_array_item *ref; struct strbuf output = STRBUF_INIT, err = STRBUF_INIT; ref = apply_ref_filter(refname, oid, flag, ref_cbdata->filter); if (!ref) return 0; if (format_ref_array_item(ref, ref_cbdata->format, &output, &err)) die("%s", err.buf); if (output.len || !ref_cbdata->format->array_opts.omit_empty) { fwrite(output.buf, 1, output.len, stdout); putchar('\n'); } strbuf_release(&output); strbuf_release(&err); free_array_item(ref); /* * Increment the running count of refs that match the filter. If * max_count is set and we've reached the max, stop the ref * iteration by returning a nonzero value. */ if (ref_cbdata->format->array_opts.max_count && ++ref_cbdata->internal.count >= ref_cbdata->format->array_opts.max_count) return 1; return 0; } /* Free all memory allocated for ref_array */ void ref_array_clear(struct ref_array *array) { int i; for (i = 0; i < array->nr; i++) free_array_item(array->items[i]); FREE_AND_NULL(array->items); array->nr = array->alloc = 0; for (i = 0; i < used_atom_cnt; i++) { struct used_atom *atom = &used_atom[i]; if (atom->atom_type == ATOM_HEAD) free(atom->u.head); free((char *)atom->name); } FREE_AND_NULL(used_atom); used_atom_cnt = 0; if (ref_to_worktree_map.worktrees) { hashmap_clear_and_free(&(ref_to_worktree_map.map), struct ref_to_worktree_entry, ent); free_worktrees(ref_to_worktree_map.worktrees); ref_to_worktree_map.worktrees = NULL; } FREE_AND_NULL(array->counts); } #define EXCLUDE_REACHED 0 #define INCLUDE_REACHED 1 static void reach_filter(struct ref_array *array, struct commit_list **check_reachable, int include_reached) { int i, old_nr; struct commit **to_clear; if (!*check_reachable) return; CALLOC_ARRAY(to_clear, array->nr); for (i = 0; i < array->nr; i++) { struct ref_array_item *item = array->items[i]; to_clear[i] = item->commit; } tips_reachable_from_bases(the_repository, *check_reachable, to_clear, array->nr, UNINTERESTING); old_nr = array->nr; array->nr = 0; for (i = 0; i < old_nr; i++) { struct ref_array_item *item = array->items[i]; struct commit *commit = item->commit; int is_merged = !!(commit->object.flags & UNINTERESTING); if (is_merged == include_reached) array->items[array->nr++] = array->items[i]; else free_array_item(item); } clear_commit_marks_many(old_nr, to_clear, ALL_REV_FLAGS); while (*check_reachable) { struct commit *merge_commit = pop_commit(check_reachable); clear_commit_marks(merge_commit, ALL_REV_FLAGS); } free(to_clear); } void filter_ahead_behind(struct repository *r, struct ref_format *format, struct ref_array *array) { struct commit **commits; size_t commits_nr = format->bases.nr + array->nr; if (!format->bases.nr || !array->nr) return; ALLOC_ARRAY(commits, commits_nr); for (size_t i = 0; i < format->bases.nr; i++) commits[i] = format->bases.items[i].util; ALLOC_ARRAY(array->counts, st_mult(format->bases.nr, array->nr)); commits_nr = format->bases.nr; array->counts_nr = 0; for (size_t i = 0; i < array->nr; i++) { const char *name = array->items[i]->refname; commits[commits_nr] = lookup_commit_reference_by_name(name); if (!commits[commits_nr]) continue; CALLOC_ARRAY(array->items[i]->counts, format->bases.nr); for (size_t j = 0; j < format->bases.nr; j++) { struct ahead_behind_count *count; count = &array->counts[array->counts_nr++]; count->tip_index = commits_nr; count->base_index = j; array->items[i]->counts[j] = count; } commits_nr++; } ahead_behind(r, commits, commits_nr, array->counts, array->counts_nr); free(commits); } static int do_filter_refs(struct ref_filter *filter, unsigned int type, each_ref_fn fn, void *cb_data) { int ret = 0; filter->kind = type & FILTER_REFS_KIND_MASK; init_contains_cache(&filter->internal.contains_cache); init_contains_cache(&filter->internal.no_contains_cache); /* Simple per-ref filtering */ if (!filter->kind) die("filter_refs: invalid type"); else { /* * For common cases where we need only branches or remotes or tags, * we only iterate through those refs. If a mix of refs is needed, * we iterate over all refs and filter out required refs with the help * of filter_ref_kind(). */ if (filter->kind == FILTER_REFS_BRANCHES) ret = refs_for_each_fullref_in(get_main_ref_store(the_repository), "refs/heads/", NULL, fn, cb_data); else if (filter->kind == FILTER_REFS_REMOTES) ret = refs_for_each_fullref_in(get_main_ref_store(the_repository), "refs/remotes/", NULL, fn, cb_data); else if (filter->kind == FILTER_REFS_TAGS) ret = refs_for_each_fullref_in(get_main_ref_store(the_repository), "refs/tags/", NULL, fn, cb_data); else if (filter->kind & FILTER_REFS_REGULAR) ret = for_each_fullref_in_pattern(filter, fn, cb_data); /* * When printing all ref types, HEAD is already included, * so we don't want to print HEAD again. */ if (!ret && (filter->kind != FILTER_REFS_KIND_MASK) && (filter->kind & FILTER_REFS_DETACHED_HEAD)) refs_head_ref(get_main_ref_store(the_repository), fn, cb_data); } clear_contains_cache(&filter->internal.contains_cache); clear_contains_cache(&filter->internal.no_contains_cache); return ret; } /* * API for filtering a set of refs. Based on the type of refs the user * has requested, we iterate through those refs and apply filters * as per the given ref_filter structure and finally store the * filtered refs in the ref_array structure. */ int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type) { struct ref_filter_cbdata ref_cbdata; int save_commit_buffer_orig; int ret = 0; ref_cbdata.array = array; ref_cbdata.filter = filter; save_commit_buffer_orig = save_commit_buffer; save_commit_buffer = 0; ret = do_filter_refs(filter, type, filter_one, &ref_cbdata); /* Filters that need revision walking */ reach_filter(array, &filter->reachable_from, INCLUDE_REACHED); reach_filter(array, &filter->unreachable_from, EXCLUDE_REACHED); save_commit_buffer = save_commit_buffer_orig; return ret; } static inline int can_do_iterative_format(struct ref_filter *filter, struct ref_sorting *sorting, struct ref_format *format) { /* * Filtering & formatting results within a single ref iteration * callback is not compatible with options that require * post-processing a filtered ref_array. These include: * - filtering on reachability * - sorting the filtered results * - including ahead-behind information in the formatted output */ return !(filter->reachable_from || filter->unreachable_from || sorting || format->bases.nr); } void filter_and_format_refs(struct ref_filter *filter, unsigned int type, struct ref_sorting *sorting, struct ref_format *format) { if (can_do_iterative_format(filter, sorting, format)) { int save_commit_buffer_orig; struct ref_filter_and_format_cbdata ref_cbdata = { .filter = filter, .format = format, }; save_commit_buffer_orig = save_commit_buffer; save_commit_buffer = 0; do_filter_refs(filter, type, filter_and_format_one, &ref_cbdata); save_commit_buffer = save_commit_buffer_orig; } else { struct ref_array array = { 0 }; filter_refs(&array, filter, type); filter_ahead_behind(the_repository, format, &array); ref_array_sort(sorting, &array); print_formatted_ref_array(&array, format); ref_array_clear(&array); } } static int compare_detached_head(struct ref_array_item *a, struct ref_array_item *b) { if (!(a->kind ^ b->kind)) BUG("ref_kind_from_refname() should only mark one ref as HEAD"); if (a->kind & FILTER_REFS_DETACHED_HEAD) return -1; else if (b->kind & FILTER_REFS_DETACHED_HEAD) return 1; BUG("should have died in the xor check above"); return 0; } static int memcasecmp(const void *vs1, const void *vs2, size_t n) { const char *s1 = vs1, *s2 = vs2; const char *end = s1 + n; for (; s1 < end; s1++, s2++) { int diff = tolower(*s1) - tolower(*s2); if (diff) return diff; } return 0; } struct ref_sorting { struct ref_sorting *next; int atom; /* index into used_atom array (internal) */ enum ref_sorting_order sort_flags; }; static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b) { struct atom_value *va, *vb; int cmp; int cmp_detached_head = 0; cmp_type cmp_type = used_atom[s->atom].type; struct strbuf err = STRBUF_INIT; if (get_ref_atom_value(a, s->atom, &va, &err)) die("%s", err.buf); if (get_ref_atom_value(b, s->atom, &vb, &err)) die("%s", err.buf); strbuf_release(&err); if (s->sort_flags & REF_SORTING_DETACHED_HEAD_FIRST && ((a->kind | b->kind) & FILTER_REFS_DETACHED_HEAD)) { cmp = compare_detached_head(a, b); cmp_detached_head = 1; } else if (s->sort_flags & REF_SORTING_VERSION) { cmp = versioncmp(va->s, vb->s); } else if (cmp_type == FIELD_STR) { if (va->s_size < 0 && vb->s_size < 0) { int (*cmp_fn)(const char *, const char *); cmp_fn = s->sort_flags & REF_SORTING_ICASE ? strcasecmp : strcmp; cmp = cmp_fn(va->s, vb->s); } else { size_t a_size = va->s_size < 0 ? strlen(va->s) : va->s_size; size_t b_size = vb->s_size < 0 ? strlen(vb->s) : vb->s_size; int (*cmp_fn)(const void *, const void *, size_t); cmp_fn = s->sort_flags & REF_SORTING_ICASE ? memcasecmp : memcmp; cmp = cmp_fn(va->s, vb->s, b_size > a_size ? a_size : b_size); if (!cmp) { if (a_size > b_size) cmp = 1; else if (a_size < b_size) cmp = -1; } } } else { if (va->value < vb->value) cmp = -1; else if (va->value == vb->value) cmp = 0; else cmp = 1; } return (s->sort_flags & REF_SORTING_REVERSE && !cmp_detached_head) ? -cmp : cmp; } static int compare_refs(const void *a_, const void *b_, void *ref_sorting) { struct ref_array_item *a = *((struct ref_array_item **)a_); struct ref_array_item *b = *((struct ref_array_item **)b_); struct ref_sorting *s; for (s = ref_sorting; s; s = s->next) { int cmp = cmp_ref_sorting(s, a, b); if (cmp) return cmp; } s = ref_sorting; return s && s->sort_flags & REF_SORTING_ICASE ? strcasecmp(a->refname, b->refname) : strcmp(a->refname, b->refname); } void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, unsigned int mask, int on) { for (; sorting; sorting = sorting->next) { if (on) sorting->sort_flags |= mask; else sorting->sort_flags &= ~mask; } } void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array) { if (sorting) QSORT_S(array->items, array->nr, compare_refs, sorting); } static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state) { struct strbuf *s = &state->stack->output; while (*cp && (!ep || cp < ep)) { if (*cp == '%') { if (cp[1] == '%') cp++; else { int ch = hex2chr(cp + 1); if (0 <= ch) { strbuf_addch(s, ch); cp += 3; continue; } } } strbuf_addch(s, *cp); cp++; } } int format_ref_array_item(struct ref_array_item *info, struct ref_format *format, struct strbuf *final_buf, struct strbuf *error_buf) { const char *cp, *sp, *ep; struct ref_formatting_state state = REF_FORMATTING_STATE_INIT; state.quote_style = format->quote_style; push_stack_element(&state.stack); for (cp = format->format; *cp && (sp = find_next(cp)); cp = ep + 1) { struct atom_value *atomv; int pos; ep = strchr(sp, ')'); if (cp < sp) append_literal(cp, sp, &state); pos = parse_ref_filter_atom(format, sp + 2, ep, error_buf); if (pos < 0 || get_ref_atom_value(info, pos, &atomv, error_buf) || atomv->handler(atomv, &state, error_buf)) { pop_stack_element(&state.stack); return -1; } } if (*cp) { sp = cp + strlen(cp); append_literal(cp, sp, &state); } if (format->need_color_reset_at_eol) { struct atom_value resetv = ATOM_VALUE_INIT; resetv.s = GIT_COLOR_RESET; if (append_atom(&resetv, &state, error_buf)) { pop_stack_element(&state.stack); return -1; } } if (state.stack->prev) { pop_stack_element(&state.stack); return strbuf_addf_ret(error_buf, -1, _("format: %%(end) atom missing")); } strbuf_addbuf(final_buf, &state.stack->output); pop_stack_element(&state.stack); return 0; } void print_formatted_ref_array(struct ref_array *array, struct ref_format *format) { int total; struct strbuf output = STRBUF_INIT, err = STRBUF_INIT; total = format->array_opts.max_count; if (!total || array->nr < total) total = array->nr; for (int i = 0; i < total; i++) { strbuf_reset(&err); strbuf_reset(&output); if (format_ref_array_item(array->items[i], format, &output, &err)) die("%s", err.buf); if (output.len || !format->array_opts.omit_empty) { fwrite(output.buf, 1, output.len, stdout); putchar('\n'); } } strbuf_release(&err); strbuf_release(&output); } void pretty_print_ref(const char *name, const struct object_id *oid, struct ref_format *format) { struct ref_array_item *ref_item; struct strbuf output = STRBUF_INIT; struct strbuf err = STRBUF_INIT; ref_item = new_ref_array_item(name, oid); ref_item->kind = ref_kind_from_refname(name); if (format_ref_array_item(ref_item, format, &output, &err)) die("%s", err.buf); fwrite(output.buf, 1, output.len, stdout); putchar('\n'); strbuf_release(&err); strbuf_release(&output); free_array_item(ref_item); } static int parse_sorting_atom(const char *atom) { /* * This parses an atom using a dummy ref_format, since we don't * actually care about the formatting details. */ struct ref_format dummy = REF_FORMAT_INIT; const char *end = atom + strlen(atom); struct strbuf err = STRBUF_INIT; int res = parse_ref_filter_atom(&dummy, atom, end, &err); if (res < 0) die("%s", err.buf); strbuf_release(&err); return res; } static void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg) { struct ref_sorting *s; CALLOC_ARRAY(s, 1); s->next = *sorting_tail; *sorting_tail = s; if (*arg == '-') { s->sort_flags |= REF_SORTING_REVERSE; arg++; } if (skip_prefix(arg, "version:", &arg) || skip_prefix(arg, "v:", &arg)) s->sort_flags |= REF_SORTING_VERSION; s->atom = parse_sorting_atom(arg); } struct ref_sorting *ref_sorting_options(struct string_list *options) { struct string_list_item *item; struct ref_sorting *sorting = NULL, **tail = &sorting; if (options->nr) { for_each_string_list_item(item, options) parse_ref_sorting(tail, item->string); } /* * From here on, the ref_sorting list should be used to talk * about the sort order used for the output. The caller * should not touch the string form anymore. */ string_list_clear(options, 0); return sorting; } void ref_sorting_release(struct ref_sorting *sorting) { while (sorting) { struct ref_sorting *next = sorting->next; free(sorting); sorting = next; } } int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) { struct ref_filter *rf = opt->value; struct object_id oid; struct commit *merge_commit; BUG_ON_OPT_NEG(unset); if (repo_get_oid(the_repository, arg, &oid)) die(_("malformed object name %s"), arg); merge_commit = lookup_commit_reference_gently(the_repository, &oid, 0); if (!merge_commit) return error(_("option `%s' must point to a commit"), opt->long_name); if (starts_with(opt->long_name, "no")) commit_list_insert(merge_commit, &rf->unreachable_from); else commit_list_insert(merge_commit, &rf->reachable_from); return 0; } void ref_filter_init(struct ref_filter *filter) { struct ref_filter blank = REF_FILTER_INIT; memcpy(filter, &blank, sizeof(blank)); } void ref_filter_clear(struct ref_filter *filter) { strvec_clear(&filter->exclude); oid_array_clear(&filter->points_at); free_commit_list(filter->with_commit); free_commit_list(filter->no_commit); free_commit_list(filter->reachable_from); free_commit_list(filter->unreachable_from); ref_filter_init(filter); }