$ git clone -n https://src.fedoraproject.org/rpms/vmpk.git /var/lib/mock/f45-build-38152-722/root/chroot_tmpdir/scmroot/vmpk
Cloning into '/var/lib/mock/f45-build-38152-722/root/chroot_tmpdir/scmroot/vmpk'...
$ git fetch origin 0d9b924512c6426d042c9cbe96650aa02cee41d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vmpk
 * [new ref]         0d9b924512c6426d042c9cbe96650aa02cee41d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d9b924 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild