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rebase -i: implement the logic to initialize $revisions in C

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This rewrites the part of init_revisions_and_shortrevisions() needed by
`--make-script` from shell to C.  The new version is called
get_revision_ranges(), and is a static function inside of
rebase--helper.c.  As this does not initialize $shortrevision, the
original shell version is not yet stripped.

Unlike init_revisions_and_shortrevisions(), get_revision_ranges()
doesn’t write $squash_onto to the state directory, it’s done by the
handler of `--make-script` instead.

Finally, this drops the $revision argument passed to `--make-script` in
git-rebase--interactive.sh, and rebase--helper is changed accordingly.

Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alban Gruin 2018-08-28 14:10:38 +02:00 committed by Junio C Hamano
parent 91f0d95dcb
commit 6ab54d17be
2 changed files with 56 additions and 4 deletions
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56
builtin/rebase--helper.c
View File

@ -4,6 +4,25 @@
#include "parse-options.h"
#include "sequencer.h"
#include "rebase-interactive.h"
#include "argv-array.h"
static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto")
static int get_revision_ranges(const char *upstream, const char *onto,
const char **head_hash,
char **revisions)
{
const char *base_rev = upstream ? upstream : onto;
struct object_id orig_head;
if (get_oid("HEAD", &orig_head))
return error(_("no HEAD?"));
*head_hash = find_unique_abbrev(&orig_head, GIT_MAX_HEXSZ);
*revisions = xstrfmt("%s...%s", base_rev, *head_hash);
return 0;
}
static const char * const builtin_rebase_helper_usage[] = {
N_("git rebase--helper [<options>]"),
@ -14,7 +33,9 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
{
struct replay_opts opts = REPLAY_OPTS_INIT;
unsigned flags = 0, keep_empty = 0, rebase_merges = 0, autosquash = 0;
int abbreviate_commands = 0, rebase_cousins = -1;
int abbreviate_commands = 0, rebase_cousins = -1, ret;
const char *head_hash = NULL, *onto = NULL, *restrict_revision = NULL,
*squash_onto = NULL, *upstream = NULL;
enum {
CONTINUE = 1, ABORT, MAKE_SCRIPT, SHORTEN_OIDS, EXPAND_OIDS,
CHECK_TODO_LIST, REARRANGE_SQUASH, ADD_EXEC, EDIT_TODO, PREPARE_BRANCH,
@ -54,6 +75,13 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
N_("prepare the branch to be rebased"), PREPARE_BRANCH),
OPT_CMDMODE(0, "complete-action", &command,
N_("complete the action"), COMPLETE_ACTION),
OPT_STRING(0, "onto", &onto, N_("onto"), N_("onto")),
OPT_STRING(0, "restrict-revision", &restrict_revision,
N_("restrict-revision"), N_("restrict revision")),
OPT_STRING(0, "squash-onto", &squash_onto, N_("squash-onto"),
N_("squash onto")),
OPT_STRING(0, "upstream", &upstream, N_("upstream"),
N_("the upstream commit")),
OPT_END()
};
@ -81,8 +109,30 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
return !!sequencer_continue(&opts);
if (command == ABORT && argc == 1)
return !!sequencer_remove_state(&opts);
if (command == MAKE_SCRIPT && argc > 1)
return !!sequencer_make_script(stdout, argc, argv, flags);
if (command == MAKE_SCRIPT && argc == 1) {
char *revisions = NULL;
struct argv_array make_script_args = ARGV_ARRAY_INIT;
if (!upstream && squash_onto)
write_file(path_squash_onto(), "%s\n", squash_onto);
ret = get_revision_ranges(upstream, onto, &head_hash, &revisions);
if (ret)
return ret;
argv_array_pushl(&make_script_args, "", revisions, NULL);
if (restrict_revision)
argv_array_push(&make_script_args, restrict_revision);
ret = sequencer_make_script(stdout,
make_script_args.argc, make_script_args.argv,
flags);
free(revisions);
argv_array_clear(&make_script_args);
return !!ret;
}
if ((command == SHORTEN_OIDS || command == EXPAND_OIDS) && argc == 1)
return !!transform_todos(flags);
if (command == CHECK_TODO_LIST && argc == 1)

4
git-rebase--interactive.sh
View File

@ -92,7 +92,9 @@ git_rebase__interactive () {
git rebase--helper --make-script ${keep_empty:+--keep-empty} \
${rebase_merges:+--rebase-merges} \
${rebase_cousins:+--rebase-cousins} \
$revisions ${restrict_revision+^$restrict_revision} >"$todo" ||
${upstream:+--upstream "$upstream"} ${onto:+--onto "$onto"} \
${squash_onto:+--squash-onto "$squash_onto"} \
${restrict_revision:+--restrict-revision ^"$restrict_revision"} >"$todo" ||
die "$(gettext "Could not generate todo list")"
exec git rebase--helper --complete-action "$shortrevisions" "$onto_name" \