unikernel/duniverse/dune_/doc/test/dune

@@ -0,0 +1,10 @@
+(cram
+ (alias check-lang-dune)
+ (deps
+  (package dune)
+  (glob_files ../*.rst)))
+
+(alias
+ (name runtest)
+ (deps
+  (alias check-lang-dune)))

unikernel/duniverse/dune_/doc/test/run.t

@@ -0,0 +1,12 @@
+----------------------------------------------------------------------------------
+Reveal all occurrences of non-latest (lang dune ...) version in documentation.
+
+When changing Dune version, you need to update the docs too to make this test pass.
+
+Occasionally we do want to mention an older Dune version in documentation. This
+is fine, but you then need to update the list of such exceptions below.
+
+  $ DUNE_LANG=$(dune internal latest-lang-version)
+  $ grep '(lang dune' ../*.rst | grep -v "$DUNE_LANG"
+  ../hacking.rst:``(lang dune 2.7)`` in their ``dune`` project file to use it.
+  ../tests.rst:   (lang dune 2.7)