$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jackc-pgproto3.git /var/lib/mock/f38-build-side-42-init-devel-914028-28718/root/chroot_tmpdir/scmroot/golang-github-jackc-pgproto3
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-914028-28718/root/chroot_tmpdir/scmroot/golang-github-jackc-pgproto3'...
$ git fetch origin aa81acc4b55b05ae70442aa72728e4ce64c81ff5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jackc-pgproto3
 * [new ref]         aa81acc4b55b05ae70442aa72728e4ce64c81ff5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa81acc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild