$ git clone -n https://src.fedoraproject.org/rpms/forgejo.git /var/lib/mock/f45-build-9179-399/root/chroot_tmpdir/scmroot/forgejo
Cloning into '/var/lib/mock/f45-build-9179-399/root/chroot_tmpdir/scmroot/forgejo'...
$ git fetch origin e27c6523258cff4bce18bf69441f1a3671711c27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/forgejo
 * [new ref]         e27c6523258cff4bce18bf69441f1a3671711c27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e27c652 Update to 15.0.9