diff options
| -rw-r--r-- | lockfile.h | 4 | ||||
| -rwxr-xr-x | t/t0090-cache-tree.sh | 18 | ||||
| -rw-r--r-- | tempfile.c | 2 | ||||
| -rw-r--r-- | tempfile.h | 4 |
4 files changed, 23 insertions, 5 deletions
diff --git a/lockfile.h b/lockfile.h index f401c979f0..35403ccc0d 100644 --- a/lockfile.h +++ b/lockfile.h @@ -263,8 +263,8 @@ static inline int close_lock_file_gently(struct lock_file *lk) * nobody else) to inspect the contents you wrote, while still * holding the lock yourself. * - * * `reopen_lock_file()` to reopen the lockfile. Make further updates - * to the contents. + * * `reopen_lock_file()` to reopen the lockfile, truncating the existing + * contents. Write out the new contents. * * * `commit_lock_file()` to make the final version permanent. */ diff --git a/t/t0090-cache-tree.sh b/t/t0090-cache-tree.sh index 7de40141ca..94fcb4a78e 100755 --- a/t/t0090-cache-tree.sh +++ b/t/t0090-cache-tree.sh @@ -161,6 +161,24 @@ test_expect_success PERL 'commit --interactive gives cache-tree on partial commi test_cache_tree ' +test_expect_success PERL 'commit -p with shrinking cache-tree' ' + mkdir -p deep/subdir && + echo content >deep/subdir/file && + git add deep && + git commit -m add && + git rm -r deep && + + before=$(wc -c <.git/index) && + git commit -m delete -p && + after=$(wc -c <.git/index) && + + # double check that the index shrank + test $before -gt $after && + + # and that our index was not corrupted + git fsck +' + test_expect_success 'commit in child dir has cache-tree' ' mkdir dir && >dir/child.t && diff --git a/tempfile.c b/tempfile.c index 139ecd97f8..d43ad8c191 100644 --- a/tempfile.c +++ b/tempfile.c @@ -279,7 +279,7 @@ int reopen_tempfile(struct tempfile *tempfile) BUG("reopen_tempfile called for an inactive object"); if (0 <= tempfile->fd) BUG("reopen_tempfile called for an open object"); - tempfile->fd = open(tempfile->filename.buf, O_WRONLY); + tempfile->fd = open(tempfile->filename.buf, O_WRONLY|O_TRUNC); return tempfile->fd; } diff --git a/tempfile.h b/tempfile.h index 36434eb6fa..61d8dc4d1b 100644 --- a/tempfile.h +++ b/tempfile.h @@ -236,8 +236,8 @@ extern int close_tempfile_gently(struct tempfile *tempfile); * it (and nobody else) to inspect or even modify the file's * contents. * - * * `reopen_tempfile()` to reopen the temporary file. Make further - * updates to the contents. + * * `reopen_tempfile()` to reopen the temporary file, truncating the existing + * contents. Write out the new contents. * * * `rename_tempfile()` to move the file to its permanent location. */ |