diff options
| -rw-r--r-- | fast-import.c | 4 | ||||
| -rwxr-xr-x | t/t9300-fast-import.sh | 29 |
2 files changed, 33 insertions, 0 deletions
diff --git a/fast-import.c b/fast-import.c index f9347f55ba..8d8ea3c45c 100644 --- a/fast-import.c +++ b/fast-import.c @@ -2411,6 +2411,8 @@ static void note_change_n(struct branch *b, unsigned char old_fanout) /* <committish> */ s = lookup_branch(p); if (s) { + if (is_null_sha1(s->sha1)) + die("Can't add a note on empty branch."); hashcpy(commit_sha1, s->sha1); } else if (*p == ':') { uintmax_t commit_mark = strtoumax(p + 1, NULL, 10); @@ -2712,6 +2714,8 @@ static void parse_new_tag(void) from = strchr(command_buf.buf, ' ') + 1; s = lookup_branch(from); if (s) { + if (is_null_sha1(s->sha1)) + die("Can't tag an empty branch."); hashcpy(sha1, s->sha1); type = OBJ_COMMIT; } else if (*from == ':') { diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh index 1a6c06631c..bd32b91d8f 100755 --- a/t/t9300-fast-import.sh +++ b/t/t9300-fast-import.sh @@ -820,6 +820,18 @@ test_expect_success \ 'test 1 = `git rev-list J | wc -l` && test 0 = `git ls-tree J | wc -l`' +cat >input <<INPUT_END +reset refs/heads/J2 + +tag wrong_tag +from refs/heads/J2 +data <<EOF +Tag branch that was reset. +EOF +INPUT_END +test_expect_success \ + 'J: tag must fail on empty branch' \ + 'test_must_fail git fast-import <input' ### ### series K ### @@ -1975,6 +1987,23 @@ test_expect_success \ 'Q: verify second note for second commit' \ 'git cat-file blob refs/notes/foobar:$commit2 >actual && test_cmp expect actual' +cat >input <<EOF +reset refs/heads/Q0 + +commit refs/heads/note-Q0 +committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE +data <<COMMIT +Note for an empty branch. +COMMIT + +N inline refs/heads/Q0 +data <<NOTE +some note +NOTE +EOF +test_expect_success \ + 'Q: deny note on empty branch' \ + 'test_must_fail git fast-import <input' ### ### series R (feature and option) ### |