$ git clone -n https://src.fedoraproject.org/rpms/kshisen.git /var/lib/mock/f40-build-2172679-51046/root/chroot_tmpdir/scmroot/kshisen
Cloning into '/var/lib/mock/f40-build-2172679-51046/root/chroot_tmpdir/scmroot/kshisen'...
$ git fetch origin 4d231ed2c909fa44f4f279a82d967b5225e4d4c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kshisen
 * [new ref]         4d231ed2c909fa44f4f279a82d967b5225e4d4c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d231ed 24.01.85