$ git clone -n https://src.fedoraproject.org/rpms/R-formatR.git /var/lib/mock/f38-build-side-42-init-devel-1030418-29711/root/chroot_tmpdir/scmroot/R-formatR
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1030418-29711/root/chroot_tmpdir/scmroot/R-formatR'...
$ git fetch origin 975896f99c8e2ab22834e57a51d4aec90b309deb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-formatR
 * [new ref]         975896f99c8e2ab22834e57a51d4aec90b309deb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 975896f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild