$ git clone -n https://src.fedoraproject.org/rpms/python-pyunicorn.git /var/lib/mock/f38-build-side-42-init-devel-998685-29150/root/chroot_tmpdir/scmroot/python-pyunicorn
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-998685-29150/root/chroot_tmpdir/scmroot/python-pyunicorn'...
$ git fetch origin fed484b385113d4dcd920d34785f3dc4778dfd11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyunicorn
 * [new ref]         fed484b385113d4dcd920d34785f3dc4778dfd11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fed484b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild