Initial commit

skills/specimin-review/scripts/get-pr-diff.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+# get-pr-diff.sh - Gets the diff for a PR
+# Usage: get-pr-diff.sh <branch_name> [main_branch]
+# Output: Diff text with stats
+
+set -e
+
+BRANCH_NAME="$1"
+MAIN_BRANCH="${2:-main}"
+
+if [ -z "$BRANCH_NAME" ]; then
+  echo "Error: Branch name required"
+  echo "Usage: get-pr-diff.sh <branch_name> [main_branch]"
+  exit 1
+fi
+
+# Verify main branch exists, fallback to master
+if ! git show-ref --verify --quiet "refs/heads/$MAIN_BRANCH"; then
+  if git show-ref --verify --quiet refs/heads/master; then
+    MAIN_BRANCH="master"
+  else
+    echo "Error: Could not find main or master branch"
+    exit 1
+  fi
+fi
+
+# Get diff stats
+echo "=== DIFF STATS ==="
+git diff "$MAIN_BRANCH...$BRANCH_NAME" --stat
+
+echo ""
+echo "=== FILES CHANGED ==="
+git diff "$MAIN_BRANCH...$BRANCH_NAME" --name-status
+
+echo ""
+echo "=== FULL DIFF ==="
+git diff "$MAIN_BRANCH...$BRANCH_NAME"