$ git clone -n https://src.fedoraproject.org/rpms/weldr-client.git /var/lib/mock/f38-build-side-42-init-devel-696963-27008/root/chroot_tmpdir/scmroot/weldr-client
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-696963-27008/root/chroot_tmpdir/scmroot/weldr-client'...
$ git fetch origin 7b4accad57641699b0e77cc27c1212b482ae76d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/weldr-client
 * [new ref]         7b4accad57641699b0e77cc27c1212b482ae76d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b4acca Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild