$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-strutil.git /var/lib/mock/f39-build-1629317-39542/root/chroot_tmpdir/scmroot/golang-modernc-strutil
Cloning into '/var/lib/mock/f39-build-1629317-39542/root/chroot_tmpdir/scmroot/golang-modernc-strutil'...
$ git fetch origin add00a03a842d970a81ce370dc1fb3266bcd6eca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-strutil
 * [new ref]         add00a03a842d970a81ce370dc1fb3266bcd6eca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at add00a0 Update to 1.1.3