$ git clone -n https://src.fedoraproject.org/rpms/gtkmm4.0.git /var/lib/mock/f37-build-side-32-misc-devel-282761-14616/root/chroot_tmpdir/scmroot/gtkmm4.0
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-282761-14616/root/chroot_tmpdir/scmroot/gtkmm4.0'...
$ git reset --hard 202f4ffed4f81837a314712e2d3dcd203fe54ee4
HEAD is now at 202f4ff Update to 4.8.0