$ git clone -n https://src.fedoraproject.org/rpms/golang-github-akrennmair-gopcap.git /var/lib/mock/f38-build-side-42-init-devel-998297-29142/root/chroot_tmpdir/scmroot/golang-github-akrennmair-gopcap
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-998297-29142/root/chroot_tmpdir/scmroot/golang-github-akrennmair-gopcap'...
$ git fetch origin aec56de4880adf4227281a818a7a09722c20997b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-akrennmair-gopcap
 * [new ref]         aec56de4880adf4227281a818a7a09722c20997b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aec56de Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild