$ git clone -n https://src.fedoraproject.org/rpms/rmlint.git /var/lib/mock/f38-build-side-42-init-devel-735325-27633/root/chroot_tmpdir/scmroot/rmlint
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-735325-27633/root/chroot_tmpdir/scmroot/rmlint'...
$ git fetch origin 72b35998b98a3d1adba46bba112f947ec24a4b45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rmlint
 * [new ref]         72b35998b98a3d1adba46bba112f947ec24a4b45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72b3599 Fix C99 compatibility issue in SCons script