$ git clone -n https://src.fedoraproject.org/rpms/zanshin.git /var/lib/mock/f39-build-1506320-35182/root/chroot_tmpdir/scmroot/zanshin
Cloning into '/var/lib/mock/f39-build-1506320-35182/root/chroot_tmpdir/scmroot/zanshin'...
$ git fetch origin 897720d89f9bdb8788c640f6f1b5365cc66eac8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zanshin
 * [new ref]         897720d89f9bdb8788c640f6f1b5365cc66eac8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 897720d 23.08.2