$ git clone -n https://src.fedoraproject.org/rpms/golang-github-niklasfasching-org.git /var/lib/mock/f40-build-781704-131796/root/chroot_tmpdir/scmroot/golang-github-niklasfasching-org
Cloning into '/var/lib/mock/f40-build-781704-131796/root/chroot_tmpdir/scmroot/golang-github-niklasfasching-org'...
$ git fetch origin 3ac9c1f1d10091eee1a78d3c7ea18039da1bd758:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-niklasfasching-org
 * [new ref]         3ac9c1f1d10091eee1a78d3c7ea18039da1bd758 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ac9c1f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild