$ git clone -n https://src.fedoraproject.org/rpms/unixcw.git /var/lib/mock/f31-build-70642-30518/root/chroot_tmpdir/scmroot/unixcw
Cloning into '/var/lib/mock/f31-build-70642-30518/root/chroot_tmpdir/scmroot/unixcw'...
$ git reset --hard 81ddc847ba73dfe2f934dd38c9b5f6b4ee61be19
HEAD is now at 81ddc84 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild