$ git clone -n https://src.fedoraproject.org/rpms/plymouth-kcm.git /var/lib/mock/f41-build-side-1-2953279-35536/root/chroot_tmpdir/scmroot/plymouth-kcm
Cloning into '/var/lib/mock/f41-build-side-1-2953279-35536/root/chroot_tmpdir/scmroot/plymouth-kcm'...
$ git fetch origin fbed32059f617d0ad52ca878171e845bda041274:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plymouth-kcm
 * [new ref]         fbed32059f617d0ad52ca878171e845bda041274 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbed320 6.2.0