$ git clone -n https://src.fedoraproject.org/rpms/golang-github-facebookincubator-contest.git /var/lib/mock/f40-build-2584464-62405/root/chroot_tmpdir/scmroot/golang-github-facebookincubator-contest
Cloning into '/var/lib/mock/f40-build-2584464-62405/root/chroot_tmpdir/scmroot/golang-github-facebookincubator-contest'...
$ git fetch origin 6e4477abea9dd0c5b7ef072b2bc1ede48d8f686d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-facebookincubator-contest
 * [new ref]         6e4477abea9dd0c5b7ef072b2bc1ede48d8f686d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e4477a Rebuild for golang 1.22.0