$ git clone -n https://src.fedoraproject.org/rpms/golang-github-elves-elvish.git /var/lib/mock/f39-build-1507884-35316/root/chroot_tmpdir/scmroot/golang-github-elves-elvish
Cloning into '/var/lib/mock/f39-build-1507884-35316/root/chroot_tmpdir/scmroot/golang-github-elves-elvish'...
$ git fetch origin d56b94438c44b9a3fff4c7e1e5a768a8cdfd66a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-elves-elvish
 * [new ref]         d56b94438c44b9a3fff4c7e1e5a768a8cdfd66a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d56b944 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild