$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jackc-pgconn.git /var/lib/mock/f40-build-2668125-67186/root/chroot_tmpdir/scmroot/golang-github-jackc-pgconn
Cloning into '/var/lib/mock/f40-build-2668125-67186/root/chroot_tmpdir/scmroot/golang-github-jackc-pgconn'...
$ git fetch origin b998db73877fbc5baa3fc866460f0e7a29988728:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jackc-pgconn
 * [new ref]         b998db73877fbc5baa3fc866460f0e7a29988728 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b998db7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild