$ git clone -n https://src.fedoraproject.org/rpms/kiln.git /var/lib/mock/f38-build-side-42-init-devel-590542-26120/root/chroot_tmpdir/scmroot/kiln
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-590542-26120/root/chroot_tmpdir/scmroot/kiln'...
$ git fetch origin ac9ba49338706d87048e713ec2044241cf149127:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiln
 * [new ref]         ac9ba49338706d87048e713ec2044241cf149127 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac9ba49 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild