$ git clone -n https://src.fedoraproject.org/rpms/ldc.git /var/lib/mock/f41-build-848775-164570/root/chroot_tmpdir/scmroot/ldc
Cloning into '/var/lib/mock/f41-build-848775-164570/root/chroot_tmpdir/scmroot/ldc'...
$ git fetch origin fce5bdd4fddee2c850da3008dd81a23d5aab4541:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ldc
 * [new ref]         fce5bdd4fddee2c850da3008dd81a23d5aab4541 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fce5bdd Build with llvm 18