$ git clone -n https://src.fedoraproject.org/rpms/golang-github-errors.git /var/lib/mock/f40-build-2000297-44447/root/chroot_tmpdir/scmroot/golang-github-errors
Cloning into '/var/lib/mock/f40-build-2000297-44447/root/chroot_tmpdir/scmroot/golang-github-errors'...
$ git fetch origin 99a59003dd105e6f6737f773facb6437a7e3f542:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-errors
 * [new ref]         99a59003dd105e6f6737f773facb6437a7e3f542 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99a5900 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild