feat: add support for dot ref

README.md

@@ -57,6 +57,7 @@ Opens the diff viewer in your browser. Accepts the same refs as the CLI, plus na
 
 ```
 /diffity-diff                          # working tree changes
+/diffity-diff main                     # current branch against main
 /diffity-diff main..feature            # branch diff
 /diffity-diff HEAD~1                   # last commit
 /diffity-diff last 3 commits           # natural language works too
@@ -70,8 +71,9 @@ Your agent reviews the diff and leaves inline comments in the viewer. Uses sever
 
 ```
 /diffity-review                             # review working tree changes
+/diffity-review main                        # review what you're merging into main
 /diffity-review main..feature               # review what you're merging into main
-/diffity-review security                    # focus on security issues
+/diffity-review identify security issues    # focus on security issues
 /diffity-review performance in src/lib      # focus on performance in specific dir
 /diffity-review last 3 commits              # natural language works too
 ```

packages/cli/src/index.ts

@@ -72,6 +72,12 @@ range syntax (main..feature, main...feature) also work.`)
       }
     }
 
+    for (let i = 0; i < refs.length; i++) {
+      if (refs[i] === '.') {
+        refs[i] = 'work';
+      }
+    }
+
     for (const ref of refs) {
       if (!isValidGitRef(ref)) {
         console.error(pc.red(`Error: '${ref}' is not a valid git reference.`));

packages/git/src/diff.ts

@@ -44,6 +44,7 @@ export function resolveRef(ref: string, extraArgs: string[] = []): string {
       }
       return getUntrackedDiff(files);
     }
+    case '.':
     case 'work': {
       let raw = getDiff(['HEAD', ...extraArgs]);
       const untrackedFiles = getUntrackedFiles();
@@ -98,7 +99,7 @@ export function normalizeRef(ref: string): string {
 }
 
 export function resolveBaseRef(ref: string): string {
-  if (['staged', 'working', 'work', 'unstaged', 'untracked'].includes(ref)) {
+  if (['staged', 'working', 'work', '.', 'unstaged', 'untracked'].includes(ref)) {
     return 'HEAD';
   }