$ git clone -n https://src.fedoraproject.org/rpms/python-pathspec.git /var/lib/mock/f40-build-2028162-47360/root/chroot_tmpdir/scmroot/python-pathspec
Cloning into '/var/lib/mock/f40-build-2028162-47360/root/chroot_tmpdir/scmroot/python-pathspec'...
$ git fetch origin d4e02ef16b24d55ed750605afaea45bc45cb354f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pathspec
 * [new ref]         d4e02ef16b24d55ed750605afaea45bc45cb354f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4e02ef Update to latest upstream version