$ git clone -n https://src.fedoraproject.org/rpms/gtkmm3.0.git /var/lib/mock/f38-build-698266-87005/root/chroot_tmpdir/scmroot/gtkmm3.0
Cloning into '/var/lib/mock/f38-build-698266-87005/root/chroot_tmpdir/scmroot/gtkmm3.0'...
$ git reset --hard 4662b7fe6a2b4e2b26ed85aa57af15f2ab9d76b6
HEAD is now at 4662b7f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild