$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-s2a.git /var/lib/mock/f42-build-3494606-45873/root/chroot_tmpdir/scmroot/golang-github-google-s2a
Cloning into '/var/lib/mock/f42-build-3494606-45873/root/chroot_tmpdir/scmroot/golang-github-google-s2a'...
$ git fetch origin dd267798991b231fa8eb7f80a434c4ebbe737670:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-s2a
 * [new ref]         dd267798991b231fa8eb7f80a434c4ebbe737670 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd26779 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild