$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jackc-pgx.git /var/lib/mock/f38-build-side-42-init-devel-588457-26120/root/chroot_tmpdir/scmroot/golang-github-jackc-pgx
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-588457-26120/root/chroot_tmpdir/scmroot/golang-github-jackc-pgx'...
$ git fetch origin 455c354a27acb599fd8a0f1edb9520acb5707faf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jackc-pgx
 * [new ref]         455c354a27acb599fd8a0f1edb9520acb5707faf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 455c354 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild