Allow regexes after '==', not just '=~'

corpus/statements.txt

@@ -95,7 +95,6 @@ fi
   (if_statement
     (bracket_command
       (string (command_substitution (command (command_name (word)))))
-      (word)
       (raw_string))
     (command (command_name (word)) (word))))
 

grammar.js

@@ -196,10 +196,10 @@ module.exports = grammar({
       $.command_name,
       repeat(choice(
         $._expression,
-        seq('=~', choice(
+        seq(
-          $.regex,
+          choice('=~', '=='),
-          $._expression
+          choice($.regex, $._expression)
-        ))
+        )
       )),
       repeat(choice(
         $.file_redirect,
@@ -213,10 +213,10 @@ module.exports = grammar({
     bracket_command: $ => {
       const args = repeat1(choice(
         $._expression,
-        seq('=~', choice(
+        seq(
-          $.regex,
+          choice('=~', '=='),
-          $._expression
+          choice($.regex, $._expression)
-        ))
+        )
       ))
 
       return seq(
@@ -427,8 +427,8 @@ module.exports = grammar({
       seq('\\', noneOf('\\s'))
     ))),
 
-    regex: $ => /([^\s]|\\.)+/,
+    regex: $ => /([^"\s]|\\.)([^\s]|\\.)*/,
-    regex_without_right_brace: $ => /([^\s}]|\\.)+/,
+    regex_without_right_brace: $ => /([^"\s}]|\\.)([^\s}]|\\.)*/,
 
     _terminator: $ => choice(';', ';;', '\n', '&')
   }

script/known-failures.txt

@@ -1,5 +1,4 @@
 examples/bash-it/plugins/available/git.plugin.bash
-examples/bash-it/plugins/available/fzf.plugin.bash
 examples/bash-it/plugins/available/extract.plugin.bash
 examples/bash-it/plugins/available/less-pretty-cat.plugin.bash
 examples/bash-it/plugins/available/z_autoenv.plugin.bash
@@ -42,7 +41,6 @@ examples/bash-it/lib/search.bash
 examples/bash-it/test_lib/bats-support/src/lang.bash
 examples/bash-it/test_lib/bats-support/src/output.bash
 examples/bash-it/test_lib/bats-assert/src/assert.bash
-examples/bash-it/test_lib/bats-core/test/test_helper.bash
 examples/bash-it/test_lib/bats-file/src/temp.bash
 examples/bash-it/themes/hawaii50/hawaii50.theme.bash
 examples/bash-it/themes/iterate/iterate.theme.bash

src/grammar.json

@@ -696,11 +696,20 @@
                 },
                 {
                   "type": "SEQ",
+                  "members": [
+                    {
+                      "type": "CHOICE",
                       "members": [
                         {
                           "type": "STRING",
                           "value": "=~"
                         },
+                        {
+                          "type": "STRING",
+                          "value": "=="
+                        }
+                      ]
+                    },
                     {
                       "type": "CHOICE",
                       "members": [
@@ -770,11 +779,20 @@
                       },
                       {
                         "type": "SEQ",
+                        "members": [
+                          {
+                            "type": "CHOICE",
                             "members": [
                               {
                                 "type": "STRING",
                                 "value": "=~"
                               },
+                              {
+                                "type": "STRING",
+                                "value": "=="
+                              }
+                            ]
+                          },
                           {
                             "type": "CHOICE",
                             "members": [
@@ -817,11 +835,20 @@
                       },
                       {
                         "type": "SEQ",
+                        "members": [
+                          {
+                            "type": "CHOICE",
                             "members": [
                               {
                                 "type": "STRING",
                                 "value": "=~"
                               },
+                              {
+                                "type": "STRING",
+                                "value": "=="
+                              }
+                            ]
+                          },
                           {
                             "type": "CHOICE",
                             "members": [
@@ -1488,9 +1515,18 @@
           "type": "STRING",
           "value": "$"
         },
+        {
+          "type": "CHOICE",
+          "members": [
             {
               "type": "SYMBOL",
               "name": "string"
+            },
+            {
+              "type": "SYMBOL",
+              "name": "raw_string"
+            }
+          ]
         }
       ]
     },
@@ -1801,11 +1837,11 @@
     },
     "regex": {
       "type": "PATTERN",
-      "value": "([^\\s]|\\\\.)+"
+      "value": "([^\"\\s]|\\\\.)([^\\s]|\\\\.)*"
     },
     "regex_without_right_brace": {
       "type": "PATTERN",
-      "value": "([^\\s}]|\\\\.)+"
+      "value": "([^\"\\s}]|\\\\.)([^\\s}]|\\\\.)*"
     },
     "_terminator": {
       "type": "CHOICE",