Merge pull request #2954 from husa/feature/2936-gitgraph-pathed-branch-name

GitGraph: add support for "pathed" branches. fix #2936

src/diagrams/git/gitGraphParserV2.spec.js

@@ -336,6 +336,20 @@ describe('when parsing a gitGraph', function () {
     expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
   });
 
+  it('should allow _-./ characters in branch names', function () {
+    const str = `gitGraph:
+    commit
+    branch azAZ_-./test
+    `;
+
+    parser.parse(str);
+    const commits = parser.yy.getCommits();
+    expect(Object.keys(commits).length).toBe(1);
+    expect(parser.yy.getCurrentBranch()).toBe('azAZ_-./test');
+    expect(parser.yy.getDirection()).toBe('LR');
+    expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
+  });
+
   it('should handle new branch checkout', function () {
     const str = `gitGraph:
     commit

src/diagrams/git/parser/gitGraph.jison

@@ -49,7 +49,7 @@
 ["]                                     this.begin("string");
 <string>["]                             this.popState();
 <string>[^"]*                           return 'STR';
-[a-zA-Z][-_\.a-zA-Z0-9]*[-_a-zA-Z0-9]  return 'ID';
+[a-zA-Z][-_\./a-zA-Z0-9]*[-_a-zA-Z0-9]  return 'ID';
 <<EOF>>                                 return 'EOF';
 
 /lex