feat(scripts): add post CI results script for Gitea PR comments

scripts/post_ci_results.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+set -e
+
+# Required environment variables:
+# GITEA_TOKEN
+# GITHUB_REPOSITORY
+# GITHUB_EVENT_PATH
+# GITHUB_SERVER_URL
+# GITHUB_RUN_ID
+
+if [ -z "$GITEA_TOKEN" ]; then
+    echo "GITEA_TOKEN is not set. Skipping PR comment."
+    exit 0
+fi
+
+# Extract PR number from the event JSON
+if [ -f "$GITHUB_EVENT_PATH" ]; then
+    PR_NUMBER=$(jq -r '.pull_request.number' "$GITHUB_EVENT_PATH")
+else
+    echo "GITHUB_EVENT_PATH not found. Skipping."
+    exit 0
+fi
+
+if [ "$PR_NUMBER" == "null" ] || [ -z "$PR_NUMBER" ]; then
+    echo "Not a pull request. Skipping."
+    exit 0
+fi
+
+REPORT_TYPE=$1
+INPUT_FILE=${2:-ci_results.txt}
+
+if [ ! -f "$INPUT_FILE" ]; then
+    echo "$INPUT_FILE not found. Nothing to post."
+    exit 0
+fi
+
+RUN_URL="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}"
+
+# Clean up ANSI escape sequences (colors) from the output
+# This makes the markdown output readable
+sed -i 's/\x1b\[[0-9;]*[mK]//g' "$INPUT_FILE"
+
+if [ "$REPORT_TYPE" == "bench" ]; then
+    HEADER="### Benchmark Summary (automated report)"
+    # Extract from summary start to the end, removing progress lines
+    # We look for the start of the benchmark summary table
+    RESULTS=$(sed -n '/==================== BENCHMARK SUMMARY ====================/,$p' "$INPUT_FILE" | grep -v "Progress:")
+else
+    HEADER="### CI Status Report: $REPORT_TYPE"
+    # Check for failures
+    if grep -qiE "FAILED|error|❌|exit status|failure" "$INPUT_FILE"; then
+        # Try to find a meaningful summary
+        if grep -q "short test summary info" "$INPUT_FILE"; then
+            RESULTS=$(sed -n '/=========================== short test summary info ============================/,$p' "$INPUT_FILE")
+        elif grep -q "Found [0-9]* error" "$INPUT_FILE"; then
+            # Ruff/Lint style errors
+            RESULTS=$(grep -A 20 -B 2 -E "Found [0-9]* error|::error|❌" "$INPUT_FILE")
+        else
+            # Extract lines that look like errors, with some context, limited to avoid too long comments
+            RESULTS=$(grep -Ci 1 -E "FAILED|::error|❌|exit status|failure" "$INPUT_FILE" | tail -n 40)
+        fi
+        HEADER="### ❌ CI Failure: $REPORT_TYPE"
+    else
+        RESULTS="All checks passed! ✅"
+    fi
+fi
+
+if [ -z "$RESULTS" ]; then
+    RESULTS="No detailed results found in $INPUT_FILE"
+fi
+
+# Construct the message
+# Note: Gitea/GitHub PR reviews use a JSON body where \n is a literal newline
+BODY="${HEADER}\n\n"
+BODY="${BODY}\`\`\`text\n${RESULTS}\n\`\`\`\n\n"
+BODY="${BODY}🔗 [View Full Run](${RUN_URL})"
+
+# Use jq to construct the JSON payload safely
+JSON_PAYLOAD=$(jq -n \
+  --arg body "$BODY" \
+  '{body: $body, event: "COMMENT"}')
+
+# Post to Gitea
+curl -f -X POST \
+  -H "Authorization: token $GITEA_TOKEN" \
+  -H "Content-Type: application/json" \
+  -d "$JSON_PAYLOAD" \
+  "https://git.quad4.io/api/v1/repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}/reviews"
+