$ git clone -n https://src.fedoraproject.org/rpms/ldc1.32.git /var/lib/mock/f40-build-2605945-63522/root/chroot_tmpdir/scmroot/ldc1.32
Cloning into '/var/lib/mock/f40-build-2605945-63522/root/chroot_tmpdir/scmroot/ldc1.32'...
$ git fetch origin f2f9b6051786ac1880119e43c251e66fcbcc2cb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ldc1.32
 * [new ref]         f2f9b6051786ac1880119e43c251e66fcbcc2cb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2f9b60 Compat package no longer needed