static int edit, no_replay, no_commit, mainline, signoff, allow_ff;
static enum { REVERT, CHERRY_PICK } action;
static struct commit *commit;
-static const char *commit_name;
+static int commit_argc;
+static const char **commit_argv;
static int allow_rerere_auto;
static const char *me;
{
const char * const * usage_str =
action == REVERT ? revert_usage : cherry_pick_usage;
- unsigned char sha1[20];
int noop;
struct option options[] = {
OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"),
die("program error");
}
- if (parse_options(argc, argv, NULL, options, usage_str, 0) != 1)
+ commit_argc = parse_options(argc, argv, NULL, options, usage_str, 0);
+ if (commit_argc < 1)
usage_with_options(usage_str, options);
- commit_name = argv[0];
- if (get_sha1(commit_name, sha1))
- die ("Cannot find '%s'", commit_name);
- commit = lookup_commit_reference(sha1);
- if (!commit)
- exit(1);
+ commit_argv = argv;
}
struct commit_message {
sha1_to_hex(commit->object.sha1));
}
-static char *help_msg(const char *name)
+static char *help_msg(void)
{
struct strbuf helpbuf = STRBUF_INIT;
char *msg = getenv("GIT_CHERRY_PICK_HELP");
strbuf_addf(&helpbuf, " with: \n"
"\n"
" git commit -c %s\n",
- name);
+ sha1_to_hex(commit->object.sha1));
}
else
strbuf_addch(&helpbuf, '.');
index_fd = hold_locked_index(&index_lock, 1);
read_cache();
+
+ /*
+ * NEEDSWORK: cherry-picking between branches with
+ * different end-of-line normalization is a pain;
+ * plumb in an option to set o.renormalize?
+ * (or better: arbitrary -X options)
+ */
init_merge_options(&o);
o.ancestor = base ? base_label : "(empty tree)";
o.branch1 = "HEAD";
}
write_message(msgbuf, defmsg);
fprintf(stderr, "Automatic %s failed.%s\n",
- me, help_msg(commit_name));
+ me, help_msg());
rerere(allow_rerere_auto);
exit(1);
}
fprintf(stderr, "Finished one %s.\n", me);
}
-static int revert_or_cherry_pick(int argc, const char **argv)
+static int do_pick_commit(void)
{
unsigned char head[20];
struct commit *base, *next, *parent;
char *defmsg = NULL;
struct strbuf msgbuf = STRBUF_INIT;
- git_config(git_default_config, NULL);
- me = action == REVERT ? "revert" : "cherry-pick";
- setenv(GIT_REFLOG_ACTION, me, 0);
- parse_args(argc, argv);
-
- if (allow_ff) {
- if (signoff)
- die("cherry-pick --ff cannot be used with --signoff");
- if (no_commit)
- die("cherry-pick --ff cannot be used with --no-commit");
- if (no_replay)
- die("cherry-pick --ff cannot be used with -x");
- if (edit)
- die("cherry-pick --ff cannot be used with --edit");
- }
-
- if (read_cache() < 0)
- die("git %s: failed to read the index", me);
if (no_commit) {
/*
* We do not intend to commit immediately. We just want to
free_commit_list(remotes);
if (res) {
fprintf(stderr, "Automatic %s with strategy %s failed.%s\n",
- me, strategy, help_msg(commit_name));
+ me, strategy, help_msg());
rerere(allow_rerere_auto);
exit(1);
}
return 0;
}
+static void prepare_revs(struct rev_info *revs)
+{
+ int argc = 0;
+ int i;
+ const char **argv = xmalloc((commit_argc + 4) * sizeof(*argv));
+
+ argv[argc++] = NULL;
+ argv[argc++] = "--no-walk";
+ if (action != REVERT)
+ argv[argc++] = "--reverse";
+ for (i = 0; i < commit_argc; i++)
+ argv[argc++] = commit_argv[i];
+ argv[argc++] = NULL;
+
+ init_revisions(revs, NULL);
+ setup_revisions(argc - 1, argv, revs, NULL);
+ if (prepare_revision_walk(revs))
+ die("revision walk setup failed");
+
+ if (!revs->commits)
+ die("empty commit set passed");
+
+ free(argv);
+}
+
+static int revert_or_cherry_pick(int argc, const char **argv)
+{
+ struct rev_info revs;
+
+ git_config(git_default_config, NULL);
+ me = action == REVERT ? "revert" : "cherry-pick";
+ setenv(GIT_REFLOG_ACTION, me, 0);
+ parse_args(argc, argv);
+
+ if (allow_ff) {
+ if (signoff)
+ die("cherry-pick --ff cannot be used with --signoff");
+ if (no_commit)
+ die("cherry-pick --ff cannot be used with --no-commit");
+ if (no_replay)
+ die("cherry-pick --ff cannot be used with -x");
+ if (edit)
+ die("cherry-pick --ff cannot be used with --edit");
+ }
+
+ if (read_cache() < 0)
+ die("git %s: failed to read the index", me);
+
+ prepare_revs(&revs);
+
+ while ((commit = get_revision(&revs))) {
+ int res = do_pick_commit();
+ if (res)
+ return res;
+ }
+
+ return 0;
+}
+
int cmd_revert(int argc, const char **argv, const char *prefix)
{
if (isatty(0))