summaryrefslogtreecommitdiff
path: root/builtin-revert.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin-revert.c')
-rw-r--r--builtin-revert.c42
1 files changed, 19 insertions, 23 deletions
diff --git a/builtin-revert.c b/builtin-revert.c
index 8ac86f0943..eff52687a8 100644
--- a/builtin-revert.c
+++ b/builtin-revert.c
@@ -38,6 +38,7 @@ static const char * const cherry_pick_usage[] = {
static int edit, no_replay, no_commit, mainline, signoff;
static enum { REVERT, CHERRY_PICK } action;
static struct commit *commit;
+static const char *commit_name;
static int allow_rerere_auto;
static const char *me;
@@ -49,7 +50,6 @@ static void parse_args(int argc, const char **argv)
const char * const * usage_str =
action == REVERT ? revert_usage : cherry_pick_usage;
unsigned char sha1[20];
- const char *arg;
int noop;
struct option options[] = {
OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"),
@@ -64,19 +64,13 @@ static void parse_args(int argc, const char **argv)
if (parse_options(argc, argv, NULL, options, usage_str, 0) != 1)
usage_with_options(usage_str, options);
- arg = argv[0];
- if (get_sha1(arg, sha1))
- die ("Cannot find '%s'", arg);
- commit = (struct commit *)parse_object(sha1);
+ commit_name = argv[0];
+ if (get_sha1(commit_name, sha1))
+ die ("Cannot find '%s'", commit_name);
+ commit = lookup_commit_reference(sha1);
if (!commit)
- die ("Could not find %s", sha1_to_hex(sha1));
- if (commit->object.type == OBJ_TAG) {
- commit = (struct commit *)
- deref_tag((struct object *)commit, arg, strlen(arg));
- }
- if (commit->object.type != OBJ_COMMIT)
- die ("'%s' does not point to a commit", arg);
+ exit(1);
}
static char *get_oneline(const char *message)
@@ -204,25 +198,27 @@ static void set_author_ident_env(const char *message)
sha1_to_hex(commit->object.sha1));
}
-static char *help_msg(const unsigned char *sha1)
+static char *help_msg(const char *name)
{
- static char helpbuf[1024];
+ struct strbuf helpbuf = STRBUF_INIT;
char *msg = getenv("GIT_CHERRY_PICK_HELP");
if (msg)
return msg;
- strcpy(helpbuf, " After resolving the conflicts,\n"
- "mark the corrected paths with 'git add <paths>' "
- "or 'git rm <paths>' and commit the result.");
+ strbuf_addstr(&helpbuf, " After resolving the conflicts,\n"
+ "mark the corrected paths with 'git add <paths>' or 'git rm <paths>'\n"
+ "and commit the result");
if (action == CHERRY_PICK) {
- sprintf(helpbuf + strlen(helpbuf),
- "\nWhen commiting, use the option "
- "'-c %s' to retain authorship and message.",
- find_unique_abbrev(sha1, DEFAULT_ABBREV));
+ strbuf_addf(&helpbuf, " with: \n"
+ "\n"
+ " git commit -c %s\n",
+ name);
}
- return helpbuf;
+ else
+ strbuf_addch(&helpbuf, '.');
+ return strbuf_detach(&helpbuf, NULL);
}
static struct tree *empty_tree(void)
@@ -409,7 +405,7 @@ static int revert_or_cherry_pick(int argc, const char **argv)
if (commit_lock_file(&msg_file) < 0)
die ("Error wrapping up %s", defmsg);
fprintf(stderr, "Automatic %s failed.%s\n",
- me, help_msg(commit->object.sha1));
+ me, help_msg(commit_name));
rerere(allow_rerere_auto);
exit(1);
}