$ git clone -n https://src.fedoraproject.org/rpms/gtkmm2.4.git /var/lib/mock/f38-build-698676-87244/root/chroot_tmpdir/scmroot/gtkmm2.4
Cloning into '/var/lib/mock/f38-build-698676-87244/root/chroot_tmpdir/scmroot/gtkmm2.4'...
$ git reset --hard 2b37935506703ea6120e301e8a7be9bc2fa731af
HEAD is now at 2b37935 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild