$ git clone -n https://src.fedoraproject.org/rpms/libsigc++30.git /var/lib/mock/f33-build-364113-60637/root/chroot_tmpdir/scmroot/libsigc++30
Cloning into '/var/lib/mock/f33-build-364113-60637/root/chroot_tmpdir/scmroot/libsigc++30'...
$ git reset --hard b08f7c0a7a30582ca3d516c43a010299eb3af2db
HEAD is now at b08f7c0 Update to 3.0.6