chore: import upstream snapshot with attribution

2026-07-13 11:58:09 +08:00
commit c48e26cdd0
2909 changed files with 1591131 additions and 0 deletions
@@ -0,0 +1,184 @@
+#!/usr/bin/env bash
+# @license
+# Copyright 2026 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+# Initialize a comma-separated string to hold PR numbers that need a comment
+PRS_NEEDING_COMMENT=""
+
+# Global cache for issue labels (compatible with Bash 3.2)
+# Stores "|ISSUE_NUM:LABELS|" segments
+ISSUE_LABELS_CACHE_FLAT="|"
+
+# Function to get labels from an issue (with caching)
+get_issue_labels() {
+    local ISSUE_NUM="${1}"
+    if [[ -z "${ISSUE_NUM}" || "${ISSUE_NUM}" == "null" || "${ISSUE_NUM}" == "" ]]; then
+        return
+    fi
+
+    # Check cache
+    case "${ISSUE_LABELS_CACHE_FLAT}" in
+        *"|${ISSUE_NUM}:"*) 
+            local suffix="${ISSUE_LABELS_CACHE_FLAT#*|"${ISSUE_NUM}":}"
+            echo "${suffix%%|*}"
+            return
+            ;; 
+        *)
+            # Cache miss, proceed to fetch
+            ;;
+    esac
+
+    echo "   📥 Fetching labels from issue #${ISSUE_NUM}" >&2
+    local gh_output
+    if ! gh_output=$(gh issue view "${ISSUE_NUM}" --repo "${GITHUB_REPOSITORY}" --json labels -q '.labels[].name' 2>/dev/null); then
+        echo "      ⚠️ Could not fetch issue #${ISSUE_NUM}" >&2
+        ISSUE_LABELS_CACHE_FLAT="${ISSUE_LABELS_CACHE_FLAT}${ISSUE_NUM}:|"
+        return
+    fi
+
+    local labels
+    labels=$(echo "${gh_output}" | grep -x -E '(area|priority)/.*|help wanted|🔒 maintainer only' | tr '\n' ',' | sed 's/,$//' || echo "")
+    
+    # Save to flat cache
+    ISSUE_LABELS_CACHE_FLAT="${ISSUE_LABELS_CACHE_FLAT}${ISSUE_NUM}:${labels}|"
+    echo "${labels}"
+}
+
+# Function to process a single PR with pre-fetched data
+process_pr_optimized() {
+    local PR_NUMBER="${1}"
+    local IS_DRAFT="${2}"
+    local ISSUE_NUMBER="${3}"
+    local CURRENT_LABELS="${4}" # Comma-separated labels
+
+    echo "🔄 Processing PR #${PR_NUMBER}"
+
+    local LABELS_TO_ADD=""
+    local LABELS_TO_REMOVE=""
+
+    if [[ -z "${ISSUE_NUMBER}" || "${ISSUE_NUMBER}" == "null" || "${ISSUE_NUMBER}" == "" ]]; then
+        if [[ "${IS_DRAFT}" == "true" ]]; then
+            echo "   📝 PR #${PR_NUMBER} is a draft and has no linked issue"
+            if [[ ",${CURRENT_LABELS}," == *",status/need-issue,"* ]]; then
+                echo "      ➖ Removing status/need-issue label"
+                LABELS_TO_REMOVE="status/need-issue"
+            fi
+        else
+            echo "   ⚠️  No linked issue found for PR #${PR_NUMBER}"
+            if [[ ",${CURRENT_LABELS}," != *",status/need-issue,"* ]]; then
+                echo "      ➕ Adding status/need-issue label"
+                LABELS_TO_ADD="status/need-issue"
+            fi
+            
+            if [[ -z "${PRS_NEEDING_COMMENT}" ]]; then
+                PRS_NEEDING_COMMENT="${PR_NUMBER}"
+            else
+                PRS_NEEDING_COMMENT="${PRS_NEEDING_COMMENT},${PR_NUMBER}"
+            fi
+        fi
+    else
+        echo "   🔗 Found linked issue #${ISSUE_NUMBER}"
+
+        if [[ ",${CURRENT_LABELS}," == *",status/need-issue,"* ]]; then
+            echo "      ➖ Removing status/need-issue label"
+            LABELS_TO_REMOVE="status/need-issue"
+        fi
+
+        local ISSUE_LABELS
+        ISSUE_LABELS=$(get_issue_labels "${ISSUE_NUMBER}")
+
+        if [[ -n "${ISSUE_LABELS}" ]]; then
+            local IFS_OLD="${IFS}"
+            IFS=','
+            for label in ${ISSUE_LABELS}; do
+                if [[ -n "${label}" ]] && [[ ",${CURRENT_LABELS}," != *",${label},"* ]]; then
+                    if [[ -z "${LABELS_TO_ADD}" ]]; then
+                        LABELS_TO_ADD="${label}"
+                    else
+                        LABELS_TO_ADD="${LABELS_TO_ADD},${label}"
+                    fi
+                fi
+done
+            IFS="${IFS_OLD}"
+        fi
+
+        if [[ -z "${LABELS_TO_ADD}" && -z "${LABELS_TO_REMOVE}" ]]; then
+            echo "   ✅ Labels already synchronized"
+        fi
+    fi
+
+    if [[ -n "${LABELS_TO_ADD}" || -n "${LABELS_TO_REMOVE}" ]]; then
+        local EDIT_CMD=("gh" "pr" "edit" "${PR_NUMBER}" "--repo" "${GITHUB_REPOSITORY}")
+        if [[ -n "${LABELS_TO_ADD}" ]]; then
+            echo "      ➕ Syncing labels to add: ${LABELS_TO_ADD}"
+            EDIT_CMD+=("--add-label" "${LABELS_TO_ADD}")
+        fi
+        if [[ -n "${LABELS_TO_REMOVE}" ]]; then
+            echo "      ➖ Syncing labels to remove: ${LABELS_TO_REMOVE}"
+            EDIT_CMD+=("--remove-label" "${LABELS_TO_REMOVE}")
+        fi
+        
+        ("${EDIT_CMD[@]}" || true)
+    fi
+}
+
+if [[ -z "${GITHUB_REPOSITORY:-}" ]]; then
+    echo "‼️ Missing \$GITHUB_REPOSITORY - this must be run from GitHub Actions"
+    exit 1
+fi
+
+if [[ -z "${GITHUB_OUTPUT:-}" ]]; then
+    echo "‼️ Missing \$GITHUB_OUTPUT - this must be run from GitHub Actions"
+    exit 1
+fi
+
+JQ_EXTRACT_FIELDS='{
+    number: .number,
+    isDraft: .isDraft,
+    issue: (.closingIssuesReferences[0].number // (.body // "" | capture("(^|[^a-zA-Z0-9])#(?<num>[0-9]+)([^a-zA-Z0-9]|$)")? | .num) // "null"),
+    labels: [.labels[].name] | join(",")
+}'
+
+JQ_TSV_FORMAT='"\((.number | tostring))\t\(.isDraft)\t\((.issue // null) | tostring)\t\(.labels)"'
+
+if [[ -n "${PR_NUMBER:-}" ]]; then
+    echo "🔄 Processing single PR #${PR_NUMBER}"
+    PR_DATA=$(gh pr view "${PR_NUMBER}" --repo "${GITHUB_REPOSITORY}" --json number,closingIssuesReferences,isDraft,body,labels 2>/dev/null) || {
+        echo "❌ Failed to fetch data for PR #${PR_NUMBER}"
+        exit 1
+    }
+    
+    line=$(echo "${PR_DATA}" | jq -r "${JQ_EXTRACT_FIELDS} | ${JQ_TSV_FORMAT}")
+    IFS=$'\t' read -r pr_num is_draft issue_num current_labels <<< "${line}"
+    process_pr_optimized "${pr_num}" "${is_draft}" "${issue_num}" "${current_labels}"
+else
+    echo "📥 Getting all open pull requests..."
+    PR_DATA_ALL=$(gh pr list --repo "${GITHUB_REPOSITORY}" --state open --limit 1000 --json number,closingIssuesReferences,isDraft,body,labels 2>/dev/null) || {
+        echo "❌ Failed to fetch PR list"
+        exit 1
+    }
+
+    PR_COUNT=$(echo "${PR_DATA_ALL}" | jq '. | length')
+    echo "📊 Found ${PR_COUNT} open PRs to process"
+
+    # Use a temporary file to avoid masking exit codes in process substitution
+    tmp_file=$(mktemp)
+    echo "${PR_DATA_ALL}" | jq -r ".[] | ${JQ_EXTRACT_FIELDS} | ${JQ_TSV_FORMAT}" > "${tmp_file}"
+    while read -r line; do
+        [[ -z "${line}" ]] && continue
+        IFS=$'\t' read -r pr_num is_draft issue_num current_labels <<< "${line}"
+        process_pr_optimized "${pr_num}" "${is_draft}" "${issue_num}" "${current_labels}"
+    done < "${tmp_file}"
+    rm -f "${tmp_file}"
+fi
+
+if [[ -z "${PRS_NEEDING_COMMENT}" ]]; then
+    echo "prs_needing_comment=[]" >> "${GITHUB_OUTPUT}"
+else
+    echo "prs_needing_comment=[${PRS_NEEDING_COMMENT}]" >> "${GITHUB_OUTPUT}"
+fi
+
+echo "✅ PR triage completed"