Support git commit messages

Author: simurai

spec/git.COMMIT_EDITMSG

@@ -1,6 +1,9 @@
 This is the summary line. It can't be too long.
 
-After I can write a much more detailed description without quite the same restrictions on length.
+After I can write a much more detailed description without quite the
+same restrictions on length.
+
+But if the line gets toooooooooooooooooooo long, you should add a line break.
 
 # Please enter the commit message for your changes. Lines starting
 # with '#' will be ignored, and an empty message aborts the commit.

styles/languages/_index.less

@@ -6,6 +6,7 @@
 @import 'coffee';
 @import 'css';
 @import 'gfm';
+@import 'git-commit';
 @import 'html';
 @import 'javascript';
 @import 'json';

styles/languages/git-commit.less

@@ -0,0 +1,37 @@
+// Git Commit Message
+
+.git-commit {
+
+
+
+  // Special cases ----------------------
+
+  // Weak 2nd line
+  [data-screen-row="1"] & {
+    .uno-3();
+  }
+
+  // Strong subject
+  [data-screen-row="0"] & {
+    .uno-1();
+    font-weight: 500;
+  }
+
+  &.deleted {
+    color: @syntax-color-removed;
+  }
+
+  &.changed {
+    color: @syntax-color-modified;
+  }
+
+  &.inserted {
+    color: @syntax-color-added;
+  }
+
+  // Too long
+  &.line-too-long.line-too-long {
+    background-color: mix( @syntax-color-removed, @syntax-background-color, 33% );
+  }
+
+}