tools: Add mod2spec.sh, turns util.example into spec/util_example_spec.lua

Useful for opening a module and its tests at the same, can be awkward to
auto-complete sometimes.

	sensible-editor util/example.lua $(./tools/mod2spec.sh util.example)

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/mod2spec.lua b/tools/mod2spec.lua
new file mode 100755
index 00000000..74b3021b
--- /dev/null
+++ b/tools/mod2spec.lua
@@ -0,0 +1,4 @@
+#!/bin/sh
+set -eu
+
+echo "spec/${1//./_}_spec.lua"