$ git clone -n https://src.fedoraproject.org/rpms/hamcrest.git /var/lib/mock/f38-build-side-42-init-devel-706330-27164/root/chroot_tmpdir/scmroot/hamcrest
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-706330-27164/root/chroot_tmpdir/scmroot/hamcrest'...
$ git fetch origin 15cda89ed4b07466fa3e7704d5c7dfdcc4036fd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hamcrest
 * [new ref]         15cda89ed4b07466fa3e7704d5c7dfdcc4036fd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15cda89 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild