builtin-notes: Add "prune" subcommand for removing notes for missing objects

"git notes prune" will remove all notes that annotate unreachable/non-
existing objects.

The patch includes tests verifying correct behaviour of the new subcommand.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johan Herland
2010-02-13 22:28:28 +01:00
committed by Junio C Hamano
parent 00fbe63627
commit d6576e1fe3
3 changed files with 115 additions and 11 deletions

View File

@ -21,6 +21,7 @@ static const char * const git_notes_usage[] = {
"git notes edit [-m <msg> | -F <file>] [<object>]",
"git notes show [<object>]",
"git notes remove [<object>]",
"git notes prune",
NULL
};
@ -201,7 +202,7 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
const char *object_ref;
char logmsg[100];
int edit = 0, show = 0, remove = 0;
int edit = 0, show = 0, remove = 0, prune = 0;
const char *msgfile = NULL;
struct msg_arg msg = { 0, STRBUF_INIT };
struct option options[] = {
@ -222,8 +223,10 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
show = 1;
else if (argc && !strcmp(argv[0], "remove"))
remove = 1;
else if (argc && !strcmp(argv[0], "prune"))
prune = 1;
if (edit + show + remove != 1)
if (edit + show + remove + prune != 1)
usage_with_options(git_notes_usage, options);
if ((msg.given || msgfile) && !edit) {
@ -237,7 +240,7 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
}
object_ref = argc == 2 ? argv[1] : "HEAD";
if (argc > 2) {
if (argc > 2 || (prune && argc > 1)) {
error("too many parameters");
usage_with_options(git_notes_usage, options);
}
@ -264,7 +267,7 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
return execv_git_cmd(show_args);
}
/* edit/remove command */
/* edit/remove/prune command */
if (remove)
strbuf_reset(&buf);
@ -278,12 +281,17 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
die_errno("could not open or read '%s'", msgfile);
}
create_note(object, &buf, msg.given || msgfile || remove, note,
new_note);
if (is_null_sha1(new_note))
remove_note(t, object);
else
add_note(t, object, new_note, combine_notes_overwrite);
if (prune) {
hashclr(new_note);
prune_notes(t);
} else {
create_note(object, &buf, msg.given || msgfile || remove, note,
new_note);
if (is_null_sha1(new_note))
remove_note(t, object);
else
add_note(t, object, new_note, combine_notes_overwrite);
}
snprintf(logmsg, sizeof(logmsg), "Note %s by 'git notes %s'",
is_null_sha1(new_note) ? "removed" : "added", argv[0]);
commit_notes(t, logmsg);