$ git clone -n https://src.fedoraproject.org/rpms/clang11.git /var/lib/mock/f39-build-1566786-37592/root/chroot_tmpdir/scmroot/clang11
Cloning into '/var/lib/mock/f39-build-1566786-37592/root/chroot_tmpdir/scmroot/clang11'...
$ git fetch origin 598d83b7d58cccc979591949df30ca359b23586b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clang11
 * [new ref]         598d83b7d58cccc979591949df30ca359b23586b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 598d83b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild