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Merge branch 'mk/describe-match-with-all'

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"git describe --match <pattern>" has been taught to play well with
the "--all" option.

* mk/describe-match-with-all:
  describe: teach --match to handle branches and remotes
This commit is contained in:
Junio C Hamano 2017-09-29 11:23:41 +09:00
commit 8c1bc7c244
3 changed files with 57 additions and 21 deletions
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24
Documentation/git-describe.txt
View File

@ -87,19 +87,23 @@ OPTIONS
--match <pattern>::
Only consider tags matching the given `glob(7)` pattern,
excluding the "refs/tags/" prefix. This can be used to avoid
leaking private tags from the repository. If given multiple times, a
list of patterns will be accumulated, and tags matching any of the
patterns will be considered. Use `--no-match` to clear and reset the
list of patterns.
excluding the "refs/tags/" prefix. If used with `--all`, it also
considers local branches and remote-tracking references matching the
pattern, excluding respectively "refs/heads/" and "refs/remotes/"
prefix; references of other types are never considered. If given
multiple times, a list of patterns will be accumulated, and tags
matching any of the patterns will be considered. Use `--no-match` to
clear and reset the list of patterns.
--exclude <pattern>::
Do not consider tags matching the given `glob(7)` pattern, excluding
the "refs/tags/" prefix. This can be used to narrow the tag space and
find only tags matching some meaningful criteria. If given multiple
times, a list of patterns will be accumulated and tags matching any
of the patterns will be excluded. When combined with --match a tag will
be considered when it matches at least one --match pattern and does not
the "refs/tags/" prefix. If used with `--all`, it also does not consider
local branches and remote-tracking references matching the pattern,
excluding respectively "refs/heads/" and "refs/remotes/" prefix;
references of other types are never considered. If given multiple times,
a list of patterns will be accumulated and tags matching any of the
patterns will be excluded. When combined with --match a tag will be
considered when it matches at least one --match pattern and does not
match any of the --exclude patterns. Use `--no-exclude` to clear and
reset the list of patterns.

27
builtin/describe.c
View File

@ -129,13 +129,24 @@ static void add_to_known_names(const char *path,
static int get_name(const char *path, const struct object_id *oid, int flag, void *cb_data)
{
int is_tag = starts_with(path, "refs/tags/");
int is_tag = 0;
struct object_id peeled;
int is_annotated, prio;
const char *path_to_match = NULL;
/* Reject anything outside refs/tags/ unless --all */
if (!all && !is_tag)
if (skip_prefix(path, "refs/tags/", &path_to_match)) {
is_tag = 1;
} else if (all) {
if ((exclude_patterns.nr || patterns.nr) &&
!skip_prefix(path, "refs/heads/", &path_to_match) &&
!skip_prefix(path, "refs/remotes/", &path_to_match)) {
/* Only accept reference of known type if there are match/exclude patterns */
return 0;
}
} else {
/* Reject anything outside refs/tags/ unless --all */
return 0;
}
/*
* If we're given exclude patterns, first exclude any tag which match
@ -144,11 +155,8 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi
if (exclude_patterns.nr) {
struct string_list_item *item;
if (!is_tag)
return 0;
for_each_string_list_item(item, &exclude_patterns) {
if (!wildmatch(item->string, path + 10, 0))
if (!wildmatch(item->string, path_to_match, 0))
return 0;
}
}
@ -161,11 +169,8 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi
int found = 0;
struct string_list_item *item;
if (!is_tag)
return 0;
for_each_string_list_item(item, &patterns) {
if (!wildmatch(item->string, path + 10, 0)) {
if (!wildmatch(item->string, path_to_match, 0)) {
found = 1;
break;
}

27
t/t6120-describe.sh
View File

@ -190,6 +190,33 @@ check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="te
check_describe "test1-lightweight-*" --long --tags --match="test3-*" --match="test1-*" HEAD
test_expect_success 'set-up branches' '
git branch branch_A A &&
git branch branch_C c &&
git update-ref refs/remotes/origin/remote_branch_A "A^{commit}" &&
git update-ref refs/remotes/origin/remote_branch_C "c^{commit}" &&
git update-ref refs/original/original_branch_A test-annotated~2
'
check_describe "heads/branch_A*" --all --match="branch_*" --exclude="branch_C" HEAD
check_describe "remotes/origin/remote_branch_A*" --all --match="origin/remote_branch_*" --exclude="origin/remote_branch_C" HEAD
check_describe "original/original_branch_A*" --all test-annotated~1
test_expect_success '--match does not work for other types' '
test_must_fail git describe --all --match="*original_branch_*" test-annotated~1
'
test_expect_success '--exclude does not work for other types' '
R=$(git describe --all --exclude="any_pattern_even_not_matching" test-annotated~1) &&
case "$R" in
*original_branch_A*) echo "fail: Found unknown reference $R with --exclude"
false;;
*) echo ok: Found some known type;;
esac
'
test_expect_success 'name-rev with exact tags' '
echo A >expect &&
tag_object=$(git rev-parse refs/tags/A) &&