$ git clone -n https://src.fedoraproject.org/rpms/python-intbitset.git /var/lib/mock/f39-build-1916812-42922/root/chroot_tmpdir/scmroot/python-intbitset
Cloning into '/var/lib/mock/f39-build-1916812-42922/root/chroot_tmpdir/scmroot/python-intbitset'...
$ git fetch origin 76f7812c9bcf9a74a4a0b4ce4cf7f199060ea70d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-intbitset
 * [new ref]         76f7812c9bcf9a74a4a0b4ce4cf7f199060ea70d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76f7812 Initial import