$ git clone -n https://src.fedoraproject.org/rpms/golang-github-stretchr-objx.git /var/lib/mock/f38-build-side-42-init-devel-905997-28628/root/chroot_tmpdir/scmroot/golang-github-stretchr-objx
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-905997-28628/root/chroot_tmpdir/scmroot/golang-github-stretchr-objx'...
$ git fetch origin ca177ad75ca7fc55e9314b3b29277e0433082522:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-stretchr-objx
 * [new ref]         ca177ad75ca7fc55e9314b3b29277e0433082522 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca177ad Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild