$ git clone -n https://src.fedoraproject.org/rpms/lld14.git /var/lib/mock/f40-build-2265103-54587/root/chroot_tmpdir/scmroot/lld14
Cloning into '/var/lib/mock/f40-build-2265103-54587/root/chroot_tmpdir/scmroot/lld14'...
$ git fetch origin 7de641c0d862d36ef26c35d63dedb67b978ff47d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lld14
 * [new ref]         7de641c0d862d36ef26c35d63dedb67b978ff47d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7de641c This compat package is no longer used by any other packages: https://fedoraproject.org/wiki/Changes/LLVM-18