From 66bcbc56ea270eec5fb362eac0fc4725a946ee08 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 12 Jun 2016 16:33:39 +0200
Subject: tv nix.vim: don't highlight sigils

---
 tv/2configs/vim.nix | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/tv/2configs/vim.nix b/tv/2configs/vim.nix
index 0d87d97af..826c2d4ca 100644
--- a/tv/2configs/vim.nix
+++ b/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 = {};
-- 
cgit v1.2.3


From 29442eda7c864265ccf23df0b350572d5527dd86 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 12 Jun 2016 18:13:05 +0200
Subject: krebs {absolute,}-pathname: admit harder

---
 krebs/4lib/types.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/krebs/4lib/types.nix b/krebs/4lib/types.nix
index 678ae7a60..4742877a7 100644
--- a/krebs/4lib/types.nix
+++ b/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;
   };
 
-- 
cgit v1.2.3