$ git clone -n https://git.cclinux.org/stage/rpms/gtkmm30 /var/lib/mock/dist-circle8-build-13289-2866/root/chroot_tmpdir/scmroot/gtkmm30
Cloning into '/var/lib/mock/dist-circle8-build-13289-2866/root/chroot_tmpdir/scmroot/gtkmm30'...
warning: redirecting to https://git.cclinux.org/stage/rpms/gtkmm30.git/
$ git reset --hard 17ef04186ba2b9a86b78159c617b462de3c36bf8
HEAD is now at 17ef041 import gtkmm30-3.22.2-2.el8