diff options
| -rwxr-xr-x | git-clone.sh | 18 | ||||
| -rwxr-xr-x | t/t5701-clone-local.sh | 8 |
2 files changed, 21 insertions, 5 deletions
diff --git a/git-clone.sh b/git-clone.sh index b4e858c38..0d686c3a0 100755 --- a/git-clone.sh +++ b/git-clone.sh @@ -409,11 +409,12 @@ else cd "$D" || exit fi -if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD" +if test -z "$bare" then # a non-bare repository is always in separate-remote layout remote_top="refs/remotes/$origin" - head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"` + head_sha1= + test ! -r "$GIT_DIR/REMOTE_HEAD" || head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"` case "$head_sha1" in 'ref: refs/'*) # Uh-oh, the remote told us (http transport done against @@ -470,9 +471,16 @@ then git config branch."$head_points_at".merge "refs/heads/$head_points_at" ;; '') - # Source had detached HEAD pointing nowhere - git update-ref --no-deref HEAD "$head_sha1" && - rm -f "refs/remotes/$origin/HEAD" + if test -z "$head_sha1" + then + # Source had nonexistent ref in HEAD + echo >&2 "Warning: Remote HEAD refers to nonexistent ref, unable to checkout." + no_checkout=t + else + # Source had detached HEAD pointing nowhere + git update-ref --no-deref HEAD "$head_sha1" && + rm -f "refs/remotes/$origin/HEAD" + fi ;; esac diff --git a/t/t5701-clone-local.sh b/t/t5701-clone-local.sh index 822ac8c28..59a165a6d 100755 --- a/t/t5701-clone-local.sh +++ b/t/t5701-clone-local.sh @@ -63,4 +63,12 @@ test_expect_success 'Even without -l, local will make a hardlink' ' test 0 = $copied ' +test_expect_success 'local clone of repo with nonexistent ref in HEAD' ' + cd "$D" && + echo "ref: refs/heads/nonexistent" > a.git/HEAD && + git clone a d && + cd d && + git fetch && + test ! -e .git/refs/remotes/origin/HEAD' + test_done |