$ git clone -n https://src.fedoraproject.org/rpms/golang-github-errors.git /var/lib/mock/f45-build-11916-436/root/chroot_tmpdir/scmroot/golang-github-errors
Cloning into '/var/lib/mock/f45-build-11916-436/root/chroot_tmpdir/scmroot/golang-github-errors'...
$ git fetch origin 492ed12b01ba35b6e092b2f828b4d22fc415df44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-errors
 * [new ref]         492ed12b01ba35b6e092b2f828b4d22fc415df44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 492ed12 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild