chore: import upstream snapshot with attribution

2026-07-13 13:24:08 +08:00
commit 0d3cb498a3
5438 changed files with 1316560 additions and 0 deletions
@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+# Determine whether to do incremental or full review based on event context
+# Outputs: scope, base_sha, head_sha to GITHUB_OUTPUT
+#
+# Required environment variables:
+#   EVENT_ACTION    - GitHub event action (opened, synchronize, ready_for_review)
+#   EVENT_BEFORE    - SHA before synchronize event
+#   EVENT_AFTER     - SHA after synchronize event
+#   PR_BASE_SHA     - PR base branch SHA
+#   PR_HEAD_SHA     - PR head SHA
+#   GITHUB_OUTPUT   - GitHub Actions output file
+
+set -euo pipefail
+
+# Validate SHA format (40 hex chars, not null SHA) and verify it exists
+is_valid_sha() {
+  local sha="$1"
+  [[ "$sha" =~ ^[0-9a-f]{40}$ ]] &&
+    [[ "$sha" != "0000000000000000000000000000000000000000" ]] &&
+    git rev-parse --verify "$sha^{commit}" >/dev/null 2>&1
+}
+
+# Check if a commit is a merge commit (has 2+ parents)
+# Used to detect "merge main into branch" which should trigger full review
+is_merge_commit() {
+  local sha="$1"
+  git rev-parse --verify "$sha^2" >/dev/null 2>&1
+}
+
+# For synchronize events with valid SHAs and no merge commits, do incremental review
+# Merge commits (e.g., merging main into branch) trigger full review to avoid
+# reviewing main branch changes that aren't part of this PR
+if [ "$EVENT_ACTION" = "synchronize" ] &&
+  is_valid_sha "$EVENT_BEFORE" &&
+  is_valid_sha "$EVENT_AFTER" &&
+  ! is_merge_commit "$EVENT_AFTER"; then
+  {
+    echo "scope=incremental"
+    echo "base_sha=$EVENT_BEFORE"
+    echo "head_sha=$EVENT_AFTER"
+  } >>"$GITHUB_OUTPUT"
+else
+  # Full review for: opened, ready_for_review, force push, or merge commits
+  {
+    echo "scope=full"
+    echo "base_sha=$PR_BASE_SHA"
+    echo "head_sha=$PR_HEAD_SHA"
+  } >>"$GITHUB_OUTPUT"
+fi