$ git clone -n https://src.fedoraproject.org/rpms/ldc1.30.git /var/lib/mock/f39-build-2354087-60268/root/chroot_tmpdir/scmroot/ldc1.30
Cloning into '/var/lib/mock/f39-build-2354087-60268/root/chroot_tmpdir/scmroot/ldc1.30'...
$ git fetch origin 07650b806fab153d5690144dc62e222ff5728cb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ldc1.30
 * [new ref]         07650b806fab153d5690144dc62e222ff5728cb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07650b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild