Add some utility scripts

utils/clippy_all.rb

@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+crates = Dir["*/Cargo.toml"]
+crates.delete_if { |x| x.include?('bareminimum') }
+
+crates.each do |x|
+  x = File.dirname(x)
+
+  Dir.chdir(x) do
+    `make clippy`
+  end
+end

utils/fmt_all.rb

@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+
+crates = Dir["**/Cargo.toml"]
+
+crates.each do |x|
+  x = File.dirname(x)
+
+  Dir.chdir(x) do
+    `cargo fmt`
+  end
+end

utils/make_all.rb

@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+
+crates = Dir["**/Cargo.toml"]
+
+crates.each do |x|
+  x = File.dirname(x)
+
+  Dir.chdir(x) do
+    `make`
+  end
+end