$ git clone -n https://src.fedoraproject.org/rpms/harfbuzz.git /var/lib/mock/f31-build-86343-31670/root/chroot_tmpdir/scmroot/harfbuzz
Cloning into '/var/lib/mock/f31-build-86343-31670/root/chroot_tmpdir/scmroot/harfbuzz'...
$ git reset --hard d12b11ba6a15376b41d2ff1ce44c1fdb8a582ea3
HEAD is now at d12b11b - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild