$ git clone -n https://src.fedoraproject.org/rpms/libsigc++20.git /var/lib/mock/f33-build-366103-60780/root/chroot_tmpdir/scmroot/libsigc++20
Cloning into '/var/lib/mock/f33-build-366103-60780/root/chroot_tmpdir/scmroot/libsigc++20'...
$ git reset --hard 319d216e72f1d8557713d734517cee50bed0a7bb
HEAD is now at 319d216 Update to 2.10.6