$ git clone -n https://src.fedoraproject.org/rpms/ldc1.32.git /var/lib/mock/f39-build-2440207-60811/root/chroot_tmpdir/scmroot/ldc1.32
Cloning into '/var/lib/mock/f39-build-2440207-60811/root/chroot_tmpdir/scmroot/ldc1.32'...
$ git fetch origin 03cf034f631074eb7a3d0d9bcfcb390f342ab127:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ldc1.32
 * [new ref]         03cf034f631074eb7a3d0d9bcfcb390f342ab127 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03cf034 Initial Fedora packaging