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reflog + refs-backend: move "verbose" out of the backend

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Move the handling of the "verbose" flag entirely out of
"refs/files-backend.c" and into "builtin/reflog.c". This allows the
backend to stop knowing about the EXPIRE_REFLOGS_VERBOSE flag.

The expire_reflog_ent() function shouldn't need to deal with the
implementation detail of whether or not we're emitting verbose output,
by doing this the --verbose output becomes backend-agnostic, so
reftable will get the same output.

I think the output is rather bad currently, and should e.g. be
implemented with some better future mode of progress.[ch], but that's
a topic for another improvement.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2021-12-22 05:06:48 +01:00 committed by Junio C Hamano
parent 7c28875bcd
commit fcd2c3d9d8
3 changed files with 68 additions and 35 deletions
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56
builtin/reflog.c
View File

@ -45,6 +45,7 @@ struct expire_reflog_policy_cb {
struct cmd_reflog_expire_cb cmd;
struct commit *tip_commit;
struct commit_list *tips;
unsigned int dry_run:1;
};
struct worktree_reflogs {
@ -319,6 +320,28 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no
return 0;
}
static int should_expire_reflog_ent_verbose(struct object_id *ooid,
struct object_id *noid,
const char *email,
timestamp_t timestamp, int tz,
const char *message, void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
int expire;
expire = should_expire_reflog_ent(ooid, noid, email, timestamp, tz,
message, cb);
if (!expire)
printf("keep %s", message);
else if (cb->dry_run)
printf("would prune %s", message);
else
printf("prune %s", message);
return expire;
}
static int push_tip_to_list(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
@ -539,6 +562,8 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
int i, status, do_all, all_worktrees = 1;
int explicit_expiry = 0;
unsigned int flags = 0;
int verbose = 0;
reflog_expiry_should_prune_fn *should_prune_fn = should_expire_reflog_ent;
default_reflog_expire_unreachable = now - 30 * 24 * 3600;
default_reflog_expire = now - 90 * 24 * 3600;
@ -576,7 +601,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
else if (!strcmp(arg, "--single-worktree"))
all_worktrees = 0;
else if (!strcmp(arg, "--verbose"))
flags |= EXPIRE_REFLOGS_VERBOSE;
verbose = 1;
else if (!strcmp(arg, "--")) {
i++;
break;
@ -587,6 +612,9 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
break;
}
if (verbose)
should_prune_fn = should_expire_reflog_ent_verbose;
/*
* We can trust the commits and objects reachable from refs
* even in older repository. We cannot trust what's reachable
@ -599,10 +627,10 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
revs.do_not_die_on_missing_tree = 1;
revs.ignore_missing = 1;
revs.ignore_missing_links = 1;
if (flags & EXPIRE_REFLOGS_VERBOSE)
if (verbose)
printf(_("Marking reachable objects..."));
mark_reachable_objects(&revs, 0, 0, NULL);
if (flags & EXPIRE_REFLOGS_VERBOSE)
if (verbose)
putchar('\n');
}
@ -624,12 +652,15 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
free_worktrees(worktrees);
for_each_string_list_item(item, &collected.reflogs) {
struct expire_reflog_policy_cb cb = { .cmd = cmd };
struct expire_reflog_policy_cb cb = {
.cmd = cmd,
.dry_run = !!(flags & EXPIRE_REFLOGS_DRY_RUN),
};
set_reflog_expiry_param(&cb.cmd, explicit_expiry, item->string);
status |= reflog_expire(item->string, flags,
reflog_expiry_prepare,
should_expire_reflog_ent,
should_prune_fn,
reflog_expiry_cleanup,
&cb);
}
@ -647,7 +678,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref);
status |= reflog_expire(ref, flags,
reflog_expiry_prepare,
should_expire_reflog_ent,
should_prune_fn,
reflog_expiry_cleanup,
&cb);
free(ref);
@ -670,6 +701,8 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
struct cmd_reflog_expire_cb cmd = { 0 };
int i, status = 0;
unsigned int flags = 0;
int verbose = 0;
reflog_expiry_should_prune_fn *should_prune_fn = should_expire_reflog_ent;
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
@ -680,7 +713,7 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
else if (!strcmp(arg, "--updateref"))
flags |= EXPIRE_REFLOGS_UPDATE_REF;
else if (!strcmp(arg, "--verbose"))
flags |= EXPIRE_REFLOGS_VERBOSE;
verbose = 1;
else if (!strcmp(arg, "--")) {
i++;
break;
@ -691,6 +724,9 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
break;
}
if (verbose)
should_prune_fn = should_expire_reflog_ent_verbose;
if (argc - i < 1)
return error(_("no reflog specified to delete"));
@ -698,7 +734,9 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
const char *spec = strstr(argv[i], "@{");
char *ep, *ref;
int recno;
struct expire_reflog_policy_cb cb = { 0 };
struct expire_reflog_policy_cb cb = {
.dry_run = !!(flags & EXPIRE_REFLOGS_DRY_RUN),
};
if (!spec) {
status |= error(_("not a reflog: %s"), argv[i]);
@ -723,7 +761,7 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
cb.cmd = cmd;
status |= reflog_expire(ref, flags,
reflog_expiry_prepare,
should_expire_reflog_ent,
should_prune_fn,
reflog_expiry_cleanup,
&cb);
free(ref);

3
refs.h
View File

@ -820,8 +820,7 @@ enum ref_type ref_type(const char *refname);
enum expire_reflog_flags {
EXPIRE_REFLOGS_DRY_RUN = 1 << 0,
EXPIRE_REFLOGS_UPDATE_REF = 1 << 1,
EXPIRE_REFLOGS_VERBOSE = 1 << 2,
EXPIRE_REFLOGS_REWRITE = 1 << 3
EXPIRE_REFLOGS_REWRITE = 1 << 2,
};
/*

44
refs/files-backend.c
View File

@ -3086,11 +3086,12 @@ cleanup:
}
struct expire_reflog_cb {
unsigned int flags;
reflog_expiry_should_prune_fn *should_prune_fn;
void *policy_cb;
FILE *newlog;
struct object_id last_kept_oid;
unsigned int rewrite:1,
dry_run:1;
};
static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
@ -3098,33 +3099,27 @@ static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
const char *message, void *cb_data)
{
struct expire_reflog_cb *cb = cb_data;
struct expire_reflog_policy_cb *policy_cb = cb->policy_cb;
reflog_expiry_should_prune_fn *fn = cb->should_prune_fn;
if (cb->flags & EXPIRE_REFLOGS_REWRITE)
if (cb->rewrite)
ooid = &cb->last_kept_oid;
if ((*cb->should_prune_fn)(ooid, noid, email, timestamp, tz,
message, policy_cb)) {
if (cb->flags & EXPIRE_REFLOGS_DRY_RUN)
printf("would prune %s", message);
else if (cb->flags & EXPIRE_REFLOGS_VERBOSE)
printf("prune %s", message);
} else {
if (!(cb->flags & EXPIRE_REFLOGS_DRY_RUN)) {
fprintf(cb->newlog, "%s %s %s %"PRItime" %+05d\t%s",
oid_to_hex(ooid), oid_to_hex(noid),
email, timestamp, tz, message);
oidcpy(&cb->last_kept_oid, noid);
}
if (cb->flags & EXPIRE_REFLOGS_VERBOSE)
printf("keep %s", message);
}
if (fn(ooid, noid, email, timestamp, tz, message, cb->policy_cb))
return 0;
if (cb->dry_run)
return 0; /* --dry-run */
fprintf(cb->newlog, "%s %s %s %"PRItime" %+05d\t%s", oid_to_hex(ooid),
oid_to_hex(noid), email, timestamp, tz, message);
oidcpy(&cb->last_kept_oid, noid);
return 0;
}
static int files_reflog_expire(struct ref_store *ref_store,
const char *refname,
unsigned int flags,
unsigned int expire_flags,
reflog_expiry_prepare_fn prepare_fn,
reflog_expiry_should_prune_fn should_prune_fn,
reflog_expiry_cleanup_fn cleanup_fn,
@ -3142,7 +3137,8 @@ static int files_reflog_expire(struct ref_store *ref_store,
const struct object_id *oid;
memset(&cb, 0, sizeof(cb));
cb.flags = flags;
cb.rewrite = !!(expire_flags & EXPIRE_REFLOGS_REWRITE);
cb.dry_run = !!(expire_flags & EXPIRE_REFLOGS_DRY_RUN);
cb.policy_cb = policy_cb_data;
cb.should_prune_fn = should_prune_fn;
@ -3178,7 +3174,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
files_reflog_path(refs, &log_file_sb, refname);
log_file = strbuf_detach(&log_file_sb, NULL);
if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
if (!cb.dry_run) {
/*
* Even though holding $GIT_DIR/logs/$reflog.lock has
* no locking implications, we use the lock_file
@ -3205,7 +3201,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
refs_for_each_reflog_ent(ref_store, refname, expire_reflog_ent, &cb);
(*cleanup_fn)(cb.policy_cb);
if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
if (!cb.dry_run) {
/*
* It doesn't make sense to adjust a reference pointed
* to by a symbolic ref based on expiring entries in
@ -3215,7 +3211,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
*/
int update = 0;
if ((flags & EXPIRE_REFLOGS_UPDATE_REF) &&
if ((expire_flags & EXPIRE_REFLOGS_UPDATE_REF) &&
!is_null_oid(&cb.last_kept_oid)) {
int ignore_errno;
int type;