$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cockroachdb-errors.git /var/lib/mock/f40-build-2621221-64753/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-errors
Cloning into '/var/lib/mock/f40-build-2621221-64753/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-errors'...
$ git fetch origin 50eb91a9c9312a5ef01685c05a5a557103c469a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cockroachdb-errors
 * [new ref]         50eb91a9c9312a5ef01685c05a5a557103c469a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50eb91a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild