$ git clone -n https://src.fedoraproject.org/rpms/R-credentials.git /var/lib/mock/f38-build-side-42-init-devel-1006587-29377/root/chroot_tmpdir/scmroot/R-credentials
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1006587-29377/root/chroot_tmpdir/scmroot/R-credentials'...
$ git fetch origin 72832fd757d9ccf0f35be160b212eb87ad5cfa37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-credentials
 * [new ref]         72832fd757d9ccf0f35be160b212eb87ad5cfa37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72832fd Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild