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merge: add '--continue' option as a synonym for 'git commit'

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Teach 'git merge' the --continue option which allows 'continuing' a
merge by completing it. The traditional way of completing a merge after
resolving conflicts is to use 'git commit'. Now with commands like 'git
rebase' and 'git cherry-pick' having a '--continue' option adding such
an option to 'git merge' presents a consistent UI.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Chris Packham
2016-12-14 21:37:55 +13:00
committed by Junio C Hamano
parent 454cb6bd52
commit 367ff69428
3 changed files with 38 additions and 0 deletions
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21
builtin/merge.c
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@ -46,6 +46,7 @@ static const char * const builtin_merge_usage[] = {
N_("git merge [<options>] [<commit>...]"),
N_("git merge [<options>] <msg> HEAD <commit>"),
N_("git merge --abort"),
N_("git merge --continue"),
NULL
};
@ -65,6 +66,7 @@ static int option_renormalize;
static int verbosity;
static int allow_rerere_auto;
static int abort_current_merge;
static int continue_current_merge;
static int allow_unrelated_histories;
static int show_progress = -1;
static int default_to_upstream = 1;
@ -223,6 +225,8 @@ static struct option builtin_merge_options[] = {
OPT__VERBOSITY(&verbosity),
OPT_BOOL(0, "abort", &abort_current_merge,
N_("abort the current in-progress merge")),
OPT_BOOL(0, "continue", &continue_current_merge,
N_("continue the current in-progress merge")),
OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories,
N_("allow merging unrelated histories")),
OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1),
@ -1125,6 +1129,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
const char *best_strategy = NULL, *wt_strategy = NULL;
struct commit_list *remoteheads, *p;
void *branch_to_free;
int orig_argc = argc;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_merge_usage, builtin_merge_options);
@ -1166,6 +1171,22 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
goto done;
}
if (continue_current_merge) {
int nargc = 1;
const char *nargv[] = {"commit", NULL};
if (orig_argc != 2)
usage_msg_opt("--continue expects no arguments",
builtin_merge_usage, builtin_merge_options);
if (!file_exists(git_path_merge_head()))
die(_("There is no merge in progress (MERGE_HEAD missing)."));
/* Invoke 'git commit' */
ret = cmd_commit(nargc, nargv, prefix);
goto done;
}
if (read_cache_unmerged())
die_resolve_conflict("merge");