$ git clone -n https://src.fedoraproject.org/rpms/grilo.git /var/lib/mock/f39-build-1533756-36229/root/chroot_tmpdir/scmroot/grilo
Cloning into '/var/lib/mock/f39-build-1533756-36229/root/chroot_tmpdir/scmroot/grilo'...
$ git fetch origin 1e7cb94ffb6b822623ada4f5cbc1dee67b2e8e85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grilo
 * [new ref]         1e7cb94ffb6b822623ada4f5cbc1dee67b2e8e85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e7cb94 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild