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-rw-r--r--Documentation/revisions.txt3
-rw-r--r--sha1_name.c1
-rwxr-xr-xt/t4208-log-magic-pathspec.sh26
3 files changed, 29 insertions, 1 deletions
diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt
index dfcc49c72c..0845c3f590 100644
--- a/Documentation/revisions.txt
+++ b/Documentation/revisions.txt
@@ -180,7 +180,8 @@ existing tag object.
A colon, followed by a slash, followed by a text, names
a commit whose commit message matches the specified regular expression.
This name returns the youngest matching commit which is
- reachable from any ref. The regular expression can match any part of the
+ reachable from any ref, including HEAD.
+ The regular expression can match any part of the
commit message. To match messages starting with a string, one can use
e.g. ':/^foo'. The special sequence ':/!' is reserved for modifiers to what
is matched. ':/!-foo' performs a negative match, while ':/!!foo' matches a
diff --git a/sha1_name.c b/sha1_name.c
index 611c7d24dd..19f66713e1 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1649,6 +1649,7 @@ static int get_oid_with_context_1(const char *name,
struct commit_list *list = NULL;
for_each_ref(handle_one_ref, &list);
+ head_ref(handle_one_ref, &list);
commit_list_sort_by_date(&list);
return get_oid_oneline(name + 2, oid, list);
}
diff --git a/t/t4208-log-magic-pathspec.sh b/t/t4208-log-magic-pathspec.sh
index a1705f70cf..69643d101d 100755
--- a/t/t4208-log-magic-pathspec.sh
+++ b/t/t4208-log-magic-pathspec.sh
@@ -25,6 +25,32 @@ test_expect_success '"git log :/a -- " should not be ambiguous' '
git log :/a --
'
+test_expect_success '"git log :/detached -- " should find a commit only in HEAD' '
+ test_when_finished "git checkout master" &&
+ git checkout --detach &&
+ # Must manually call `test_tick` instead of using `test_commit`,
+ # because the latter additionally creates a tag, which would make
+ # the commit reachable not only via HEAD.
+ test_tick &&
+ git commit --allow-empty -m detached &&
+ test_tick &&
+ git commit --allow-empty -m something-else &&
+ git log :/detached --
+'
+
+test_expect_success '"git log :/detached -- " should not find an orphaned commit' '
+ test_must_fail git log :/detached --
+'
+
+test_expect_success '"git log :/detached -- " should find HEAD only of own worktree' '
+ git worktree add other-tree HEAD &&
+ git -C other-tree checkout --detach &&
+ test_tick &&
+ git -C other-tree commit --allow-empty -m other-detached &&
+ git -C other-tree log :/other-detached -- &&
+ test_must_fail git log :/other-detached --
+'
+
test_expect_success '"git log -- :/a" should not be ambiguous' '
git log -- :/a
'