$ git clone -n https://src.fedoraproject.org/rpms/libskk.git /var/lib/mock/f45-build-16987-494/root/chroot_tmpdir/scmroot/libskk
Cloning into '/var/lib/mock/f45-build-16987-494/root/chroot_tmpdir/scmroot/libskk'...
$ git fetch origin 814ae2fc0b513bcbb25f91a0ce507c3ec554553c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libskk
 * [new ref]         814ae2fc0b513bcbb25f91a0ce507c3ec554553c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 814ae2f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild