⬆️ tree-sitter-bash, tweak highlighting

Author: maxbrunsfeld

grammars/tree-sitter-bash.cson

@@ -20,7 +20,7 @@ firstLineRegex: [
 
 folds: [
   {
-    type: 'heredoc'
+    type: 'heredoc_body'
   }
   {
     type: 'if_statement',
@@ -79,12 +79,30 @@ scopes:
 
   'string': 'string'
   'raw_string': 'string'
-  'heredoc': 'string'
+  'heredoc_body': 'string'
+  'heredoc_start': 'string'
   'regex': 'string.regexp'
 
+  '
+    "$",
+    expansion > "${",
+    expansion > "}"
+  ': 'punctuation.section.embedded'
+
+  'string > command_substitution': 'embedded.source'
+
   'function_definition > word': 'entity.name.function'
   'command_name': 'entity.name.function'
 
+  'file_descriptor': 'constant.numeric'
+
+  'command_name > word': [
+    {match: '^(cd|echo|eval|exit|false|getopts|pushd|popd|return|set|shift|true)$', scopes: 'support.function'}
+  ]
+
+  'test_operator': 'entity.other.attribute-name'
+  'word': [{match: '^-', scopes: 'entity.other.attribute-name'}]
+
   'special_variable_name': 'variable.other.member'
   'variable_name': 'variable.other.member'
 
@@ -123,5 +141,3 @@ scopes:
   '">&"': 'keyword.operator'
   '"<<-"': 'keyword.operator'
   '"<<<"': 'keyword.operator'
-
-  '"$"': 'punctuation.section.embedded'

package.json

@@ -16,7 +16,7 @@
     "url": "https://github.com/atom/language-shellscript/issues"
   },
   "dependencies": {
-    "tree-sitter-bash": "^0.13.5"
+    "tree-sitter-bash": "^0.13.6"
   },
   "devDependencies": {
     "coffeelint": "^1.10.1"