$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gobwas-pool.git /var/lib/mock/f40-build-2000486-44470/root/chroot_tmpdir/scmroot/golang-github-gobwas-pool
Cloning into '/var/lib/mock/f40-build-2000486-44470/root/chroot_tmpdir/scmroot/golang-github-gobwas-pool'...
$ git fetch origin b31ca2f78ef9052d3eab615e22de12472234e69c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gobwas-pool
 * [new ref]         b31ca2f78ef9052d3eab615e22de12472234e69c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b31ca2f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild