fast-import uses null_sha1 for empty branches. It doesn't make a null_sha1 parent nor writes out a branch with null_sha1 head. But for notemodify and tag commands there is no check for null_sha1 and so bad tag/notes are produced instead of a error message. Dmitry Ivankov (2): fast-import: don't allow to tag empty branch fast-import: don't allow to note on empty branch fast-import.c | 4 ++++ t/t9300-fast-import.sh | 29 +++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 0 deletions(-) -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html