$ git clone -n https://src.fedoraproject.org/rpms/kshisen.git /var/lib/mock/f39-build-1641881-40207/root/chroot_tmpdir/scmroot/kshisen
Cloning into '/var/lib/mock/f39-build-1641881-40207/root/chroot_tmpdir/scmroot/kshisen'...
$ git fetch origin 4ac64c58d4b56fb88654d732a36570f8f4ea02b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kshisen
 * [new ref]         4ac64c58d4b56fb88654d732a36570f8f4ea02b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ac64c5 23.08.2