$ git clone -n https://src.fedoraproject.org/rpms/golang-github-pingcap-errors.git /var/lib/mock/f45-build-12320-440/root/chroot_tmpdir/scmroot/golang-github-pingcap-errors
Cloning into '/var/lib/mock/f45-build-12320-440/root/chroot_tmpdir/scmroot/golang-github-pingcap-errors'...
$ git fetch origin ce7fe5a29e9e1183363c1e10a4b91b5b3494c183:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-pingcap-errors
 * [new ref]         ce7fe5a29e9e1183363c1e10a4b91b5b3494c183 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce7fe5a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild