$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nuveo-log.git /var/lib/mock/f38-build-side-42-init-devel-901234-28590/root/chroot_tmpdir/scmroot/golang-github-nuveo-log
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-901234-28590/root/chroot_tmpdir/scmroot/golang-github-nuveo-log'...
$ git fetch origin 64ca9eb44977c3c72a920d62a29b9963ac42b598:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nuveo-log
 * [new ref]         64ca9eb44977c3c72a920d62a29b9963ac42b598 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64ca9eb Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild