$ git clone -n https://src.fedoraproject.org/rpms/libgpiod.git /var/lib/mock/f42-build-391-66/root/chroot_tmpdir/scmroot/libgpiod
Cloning into '/var/lib/mock/f42-build-391-66/root/chroot_tmpdir/scmroot/libgpiod'...
$ git fetch origin 70ab789beeb26712cf52f41173ba48fa587991b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgpiod
 * [new ref]         70ab789beeb26712cf52f41173ba48fa587991b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70ab789 v2.2.2