$ git clone -n https://src.fedoraproject.org/rpms/kshisen.git /var/lib/mock/f42-build-871762-177742/root/chroot_tmpdir/scmroot/kshisen
Cloning into '/var/lib/mock/f42-build-871762-177742/root/chroot_tmpdir/scmroot/kshisen'...
$ git fetch origin 9871752645eb8f568de1ea5ccd2d865c2b116950:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kshisen
 * [new ref]         9871752645eb8f568de1ea5ccd2d865c2b116950 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9871752 24.12.2