undef/git-commit-vandalism
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notes remove: --stdin reads from the standard input

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Teach the command to read object names to remove from the standard
input, in addition to the object names given from the command line.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2011-05-18 16:44:30 -07:00
parent 2d370d2fbc
commit 46538012d9
3 changed files with 56 additions and 5 deletions
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7
Documentation/git-notes.txt
View File

@ -17,7 +17,7 @@ SYNOPSIS
'git notes' merge [-v | -q] [-s <strategy> ] <notes_ref>
'git notes' merge --commit [-v | -q]
'git notes' merge --abort [-v | -q]
'git notes' remove [--ignore-missing] [<object>...]
'git notes' remove [--ignore-missing] [--stdin] [<object>...]
'git notes' prune [-n | -v]
'git notes' get-ref
@ -159,6 +159,11 @@ OPTIONS
Do not consider it an error to request removing notes from an
object that does not have notes attached to it.
--stdin::
Also read the object names to remove notes from from the standard
input (there is no reason you cannot combine this with object
names from the command line).
-n::
--dry-run::
Do not remove anything; just report the object names whose notes

19
builtin/notes.c
View File

@ -953,7 +953,7 @@ static int merge(int argc, const char **argv, const char *prefix)
return result < 0; /* return non-zero on conflicts */
}
#define MISSING_OK 1
#define IGNORE_MISSING 1
static int remove_one_note(struct notes_tree *t, const char *name, unsigned flag)
{
@ -966,16 +966,19 @@ static int remove_one_note(struct notes_tree *t, const char *name, unsigned flag
fprintf(stderr, _("Object %s has no note\n"), name);
else
fprintf(stderr, _("Removing note for object %s\n"), name);
return (flag & MISSING_OK) ? 0 : status;
return (flag & IGNORE_MISSING) ? 0 : status;
}
static int remove_cmd(int argc, const char **argv, const char *prefix)
{
unsigned flag = 0;
int from_stdin = 0;
struct option options[] = {
OPT_BIT(0, "ignore-missing", &flag,
"attempt to remove non-existent note is not an error",
MISSING_OK),
IGNORE_MISSING),
OPT_BOOLEAN(0, "stdin", &from_stdin,
"read object names from the standard input"),
OPT_END()
};
struct notes_tree *t;
@ -986,7 +989,7 @@ static int remove_cmd(int argc, const char **argv, const char *prefix)
t = init_notes_check("remove");
if (!argc) {
if (!argc && !from_stdin) {
retval = remove_one_note(t, "HEAD", flag);
} else {
while (*argv) {
@ -994,6 +997,14 @@ static int remove_cmd(int argc, const char **argv, const char *prefix)
argv++;
}
}
if (from_stdin) {
struct strbuf sb = STRBUF_INIT;
while (strbuf_getwholeline(&sb, stdin, '\n') != EOF) {
strbuf_rtrim(&sb);
retval |= remove_one_note(t, sb.buf, flag);
}
strbuf_release(&sb);
}
if (!retval)
commit_notes(t, "Notes removed by 'git notes remove'");
free_notes(t);

35
t/t3301-notes.sh
View File

@ -475,6 +475,41 @@ test_expect_success 'removing with --ignore-missing but bogus ref' '
test "$before" = "$after"
'
test_expect_success 'remove reads from --stdin' '
before=$(git rev-parse --verify refs/notes/commits) &&
test_when_finished "git update-ref refs/notes/commits $before" &&
# We have only two -- add another and make sure it stays
git notes add -m "extra" &&
git notes list HEAD >after-removal-expect &&
git rev-parse HEAD^^ HEAD^^^ >input &&
git notes remove --stdin <input &&
git notes list | sed -e "s/ .*//" >actual &&
test_cmp after-removal-expect actual
'
test_expect_success 'remove --stdin is also atomic' '
before=$(git rev-parse --verify refs/notes/commits) &&
test_when_finished "git update-ref refs/notes/commits $before" &&
git rev-parse HEAD^^ HEAD^^^ HEAD^ >input &&
test_must_fail git notes remove --stdin <input &&
after=$(git rev-parse --verify refs/notes/commits) &&
test "$before" = "$after"
'
test_expect_success 'removing with --stdin --ignore-missing' '
before=$(git rev-parse --verify refs/notes/commits) &&
test_when_finished "git update-ref refs/notes/commits $before" &&
# We have only two -- add another and make sure it stays
git notes add -m "extra" &&
git notes list HEAD >after-removal-expect &&
git rev-parse HEAD^^ HEAD^^^ HEAD^ >input &&
git notes remove --ignore-missing --stdin <input &&
git notes list | sed -e "s/ .*//" >actual &&
test_cmp after-removal-expect actual
'
test_expect_success 'list notes with "git notes list"' '
git notes list > output &&
test_cmp expect output