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rebase: add a config option for --no-fork-point

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Some users (myself included) would prefer to have this feature off by
default because it can silently drop commits.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alex Henrie
2021-02-23 00:18:40 -07:00
committed by Junio C Hamano
parent 66e871b664
commit 2803d800d2
3 changed files with 61 additions and 17 deletions
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20
builtin/rebase.c
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@ -102,6 +102,7 @@ struct rebase_options {
int reschedule_failed_exec;
int use_legacy_rebase;
int reapply_cherry_picks;
int fork_point;
};
#define REBASE_OPTIONS_INIT { \
@ -111,7 +112,8 @@ struct rebase_options {
.default_backend = "merge", \
.flags = REBASE_NO_QUIET, \
.git_am_opts = STRVEC_INIT, \
.git_format_patch_opt = STRBUF_INIT \
.git_format_patch_opt = STRBUF_INIT, \
.fork_point = -1, \
}
static struct replay_opts get_replay_opts(const struct rebase_options *opts)
@ -1095,6 +1097,11 @@ static int rebase_config(const char *var, const char *value, void *data)
return 0;
}
if (!strcmp(var, "rebase.forkpoint")) {
opts->fork_point = git_config_bool(var, value) ? -1 : 0;
return 0;
}
if (!strcmp(var, "rebase.usebuiltin")) {
opts->use_legacy_rebase = !git_config_bool(var, value);
return 0;
@ -1306,7 +1313,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
const char *gpg_sign = NULL;
struct string_list exec = STRING_LIST_INIT_NODUP;
const char *rebase_merges = NULL;
int fork_point = -1;
struct string_list strategy_options = STRING_LIST_INIT_NODUP;
struct object_id squash_onto;
char *squash_onto_name = NULL;
@ -1406,7 +1412,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
N_("mode"),
N_("try to rebase merges instead of skipping them"),
PARSE_OPT_OPTARG, NULL, (intptr_t)""},
OPT_BOOL(0, "fork-point", &fork_point,
OPT_BOOL(0, "fork-point", &options.fork_point,
N_("use 'merge-base --fork-point' to refine upstream")),
OPT_STRING('s', "strategy", &options.strategy,
N_("strategy"), N_("use the given merge strategy")),
@ -1494,7 +1500,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
die(_("cannot combine '--keep-base' with '--root'"));
}
if (options.root && fork_point > 0)
if (options.root && options.fork_point > 0)
die(_("cannot combine '--root' with '--fork-point'"));
if (action != ACTION_NONE && !in_progress)
@ -1840,8 +1846,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
NULL);
if (!options.upstream_name)
error_on_missing_default_upstream();
if (fork_point < 0)
fork_point = 1;
if (options.fork_point < 0)
options.fork_point = 1;
} else {
options.upstream_name = argv[0];
argc--;
@ -1945,7 +1951,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
} else
BUG("unexpected number of arguments left to parse");
if (fork_point > 0) {
if (options.fork_point > 0) {
struct commit *head =
lookup_commit_reference(the_repository,
&options.orig_head);