Fix ocaml and dune ftdetect

ftdetect/polyglot.vim

@@ -97,7 +97,6 @@ if index(g:polyglot_disabled, 'c/c++') == -1
   au BufNewFile,BufRead *.inl set ft=cpp
   au BufNewFile,BufRead *.ino set ft=cpp
   au BufNewFile,BufRead *.ipp set ft=cpp
-  au BufNewFile,BufRead *.re setf cpp
   au BufNewFile,BufRead *.tcc set ft=cpp
   au BufNewFile,BufRead *.tpp set ft=cpp
 endif
@@ -652,6 +651,7 @@ if index(g:polyglot_disabled, 'ocaml') == -1
   au BufNewFile,BufRead *.mlp set ft=ocaml
   au BufNewFile,BufRead *.mlt set ft=ocaml
   au BufNewFile,BufRead *.mly set ft=ocaml
+  au BufNewFile,BufRead {.,}ocamlinit set ft=ocaml
   au BufNewFile,BufRead *.om set ft=omake
   au BufNewFile,BufRead OMakefile set ft=omake
   au BufNewFile,BufRead OMakeroot set ft=omake
@@ -660,6 +660,14 @@ if index(g:polyglot_disabled, 'ocaml') == -1
   au BufNewFile,BufRead *.opam.template set ft=opam
   au BufNewFile,BufRead opam set ft=opam
   au BufNewFile,BufRead _oasis set ft=oasis
+  au BufNewFile,BufRead dune set ft=dune
+  au BufNewFile,BufRead dune-project set ft=dune
+  au BufNewFile,BufRead dune-workspace set ft=dune
+  au BufNewFile,BufRead jbuild set ft=dune
+  au BufNewFile,BufRead _tags set ft=ocamlbuild_tags
+  au BufNewFile,BufRead *.ocp set ft=ocpbuild
+  au BufNewFile,BufRead *.root set ft=ocpbuildroot
+  au BufNewFile,BufRead *.sexp set ft=sexplib
 endif
 
 if index(g:polyglot_disabled, 'octave') == -1

packages.yaml

@@ -47,6 +47,9 @@ filetypes:
   linguist: C
 - name: cpp
   linguist: C++
+  ignored_extensions:
+  # conflicts with more popular reason, remove after heuristics work
+  - re
 ---
 name: c++11
 remote: octol/vim-cpp-enhanced-highlight
@@ -697,6 +700,8 @@ filetypes:
   - mlip
   - mli.cppo
   - ml.cppo
+  extra_filenames:
+  - .ocamlinit
 - name: omake
   extensions:
   - om
@@ -713,6 +718,24 @@ filetypes:
 - name: oasis
   filenames:
   - _oasis
+- name: dune
+  filenames:
+  - jbuild
+  - dune
+  - dune-project
+  - dune-workspace
+- name: ocamlbuild_tags
+  filenames:
+  - _tags
+- name: ocpbuild
+  extensions:
+  - ocp
+- name: ocpbuildroot
+  extensions:
+  - root
+- name: sexplib
+  extensions:
+  - sexp
 ---
 name: octave
 remote: McSinyx/vim-octave

scripts/test_filetypes.vim

@@ -111,6 +111,11 @@ call TestFiletype('ocaml')
 call TestFiletype('omake')
 call TestFiletype('opam')
 call TestFiletype('oasis')
+call TestFiletype('dune')
+call TestFiletype('ocamlbuild_tags')
+call TestFiletype('ocpbuild')
+call TestFiletype('ocpbuildroot')
+call TestFiletype('sexplib')
 call TestFiletype('octave')
 call TestFiletype('opencl')
 call TestFiletype('perl')