Add ansible support, closes #96

indent/ansible.vim

@@ -0,0 +1,58 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ansible') == -1
+  
+let s:save_cpo = &cpo
+set cpo&vim
+
+setlocal indentexpr=GetAnsibleIndent(v:lnum)
+setlocal indentkeys=!^F,o,O,0#,0},0],<:>,-,*<Return>
+setlocal nosmartindent
+setlocal expandtab
+setlocal softtabstop=2
+setlocal shiftwidth=2
+setlocal commentstring=#%s
+setlocal formatoptions=cl
+" c -> wrap long comments, including #
+" l -> do not wrap long lines
+
+let s:comment = '\v^\s*#' " # comment
+let s:array_entry = '\v^\s*-\s' " - foo
+let s:named_module_entry = '\v^\s*-\s*(name|hosts):\s*\S' " - name: 'do stuff'
+let s:dictionary_entry = '\v^\s*[^:-]+:\s*$' " with_items:
+let s:key_value = '\v^\s*[^:-]+:\s*\S' " apt: name=package
+let s:scalar_value = '\v:\s*[>|\|]\s*$' " shell: >
+
+if exists('*GetAnsibleIndent')
+  finish
+endif
+
+function GetAnsibleIndent(lnum)
+  if a:lnum == 1 || !prevnonblank(a:lnum-1)
+      return 0
+  endif
+  let prevlnum = prevnonblank(a:lnum - 1)
+  let maintain = indent(prevlnum)
+  let increase = maintain + &sw
+
+  let line = getline(prevlnum)
+  if line =~ s:array_entry
+    if line =~ s:named_module_entry
+      return increase
+    else
+      return maintain
+    endif
+  elseif line =~ s:dictionary_entry
+    return increase
+  elseif line =~ s:key_value
+    if line =~ s:scalar_value
+      return increase
+    else
+      return maintain
+    endif
+  else
+    return maintain
+  endif
+endfunction
+
+let &cpo = s:save_cpo
+
+endif