tools: use latest pandoc, avoiding SoftBreak error

Require a recent snapshot with the latest pandoc-types for the pandoc
filters (may be different from the snapshot used to build hledger).

Shake.hs

@@ -71,6 +71,12 @@ manpageDir p
 buildDir :: FilePath
 buildDir = ".build"
 
+pandocExe :: String
+pandocExe = "pandoc"
+
+pandocFiltersResolver :: String
+pandocFiltersResolver = "--resolver lts-5.11"
+
 main :: IO ()
 main = do
 
@@ -113,8 +119,7 @@ main = do
         md = out <.> "md"
         tmpl = "doc/manpage.nroff"
       need $ md : tmpl : pandocFilters
-      cmd "pandoc" md "--to man -s --template" tmpl
-        -- XXX assume these are compiled
+      cmd pandocExe md "--to man -s --template" tmpl
         "--filter tools/pandocRemoveHtmlBlocks"
         "--filter tools/pandocRemoveHtmlInlines"
         "--filter tools/pandocRemoveLinks"
@@ -135,7 +140,7 @@ main = do
 
     pandocFilters |%> \out -> do
       need [out <.> "hs"]
-      cmd "stack ghc" out
+      cmd ("stack "++pandocFiltersResolver++" ghc") out
 
     phony "clean" $ do
       putNormal "Cleaning generated files"

tools/pandocCapitalizeHeaders.hs

@@ -1,6 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
--- ^ installs pandoc-types in the current stack db when needed
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 import Text.Pandoc.Walk

tools/pandocRemoveHtmlBlocks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 

tools/pandocRemoveHtmlInlines.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 

tools/pandocRemoveLinks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 
@@ -7,6 +7,6 @@ main :: IO ()
 main = toJSONFilter removeLinks
 
 removeLinks :: Inline -> [Inline]
-removeLinks (Link l _) = l
+removeLinks (Link _ is _) = is
 removeLinks x = [x]
 

tools/pandocRemoveManonlyBlocks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.Builder
 import Text.Pandoc.JSON

tools/pandocRemoveNotes.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 

tools/pandocRemoveWebonlyBlocks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package pandoc-types
+{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.Builder
 import Text.Pandoc.JSON