Merge remote-tracking branch 'cd/master'

krebs/4lib/types.nix

@@ -334,7 +334,8 @@ types // rec {
   # TODO two slashes
   absolute-pathname = mkOptionType {
     name = "POSIX absolute pathname";
-    check = s: s == "/" || (pathname.check s && substring 0 1 s == "/");
+    check = x: let xs = splitString "/" x; xa = head xs; in
+      xa == "/" || (xa == "" && all filename.check (tail xs));
     merge = mergeOneOption;
   };
 
@@ -342,7 +343,8 @@ types // rec {
   # TODO normalize slashes
   pathname = mkOptionType {
     name = "POSIX pathname";
-    check = s: isString s && all filename.check (splitString "/" s);
+    check = x: let xs = splitString "/" x; in
+      all filename.check (if head xs == "" then tail xs else xs);
     merge = mergeOneOption;
   };
 

tv/2configs/vim.nix

@@ -264,30 +264,32 @@ let
       ];
       sigil = ''\(${concatStringsSep ''\|'' startAlts}\)[ \t\r\n]*'';
     in /* vim */ ''
-      syn include @${lang}Syntax syntax/${lang}.vim
+      syn include @nix_${lang}_syntax syntax/${lang}.vim
       unlet b:current_syntax
 
-      syn region ${lang}Block_NixSTRING
-        \ matchgroup=NixExit
-        \ extend
-        \ start='${replaceStrings ["'"] ["\\'"] sigil}"'
+      syn match nix_${lang}_sigil
+        \ X${replaceStrings ["X"] ["\\X"] sigil}\ze\('''\|"\)X
+        \ nextgroup=nix_${lang}_region
+        \ transparent
+
+      syn region nix_${lang}_region
+        \ matchgroup=NixSTRING
+        \ start='"'
         \ skip='\\"'
         \ end='"'
-        \ contains=@${lang}Syntax
+        \ contained
+        \ contains=@nix_${lang}_syntax
 
-      syn region ${lang}Block_NixIND_STRING
-        \ matchgroup=NixExit
-        \ extend
-        \ start="${replaceStrings ["\""] ["\\\""] sigil}'''"
+      syn region nix_${lang}_region
+        \ matchgroup=NixIND_STRING
+        \ start="'''"
         \ skip="'''\('\|[$]\|\\[nrt]\)"
         \ end="'''"
-        \ contains=@${lang}Syntax
+        \ contained
+        \ contains=@nix_${lang}_syntax
 
       syn cluster NixSubLangs
-        \ add=@${lang}Syntax,${lang}Block_NixSTRING,${lang}Block_NixIND_STRING
-
-      hi link ${lang}Block_NixSTRING Statement
-      hi link ${lang}Block_NixIND_STRING Statement
+        \ add=nix_${lang}_region,@nix_${lang}_syntax
     '') {
       c = {};
       cabal = {};