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|  | 1 | +#!/usr/bin/env bash | 
|  | 2 | +# | 
|  | 3 | +# Copyright The OpenTelemetry Authors | 
|  | 4 | +# | 
|  | 5 | +# Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | 6 | +# you may not use this file except in compliance with the License. | 
|  | 7 | +# You may obtain a copy of the License at | 
|  | 8 | +# | 
|  | 9 | +#      https://www.apache.org/licenses/LICENSE-2.0 | 
|  | 10 | +# | 
|  | 11 | +# Unless required by applicable law or agreed to in writing, software | 
|  | 12 | +# distributed under the License is distributed on an "AS IS" BASIS, | 
|  | 13 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | 14 | +# See the License for the specific language governing permissions and | 
|  | 15 | +# limitations under the License. | 
|  | 16 | +# | 
|  | 17 | +# Adds a "has:owner-approval" label to a PR if a reviewer who approved it is a component owner. | 
|  | 18 | + | 
|  | 19 | +set -euo pipefail | 
|  | 20 | + | 
|  | 21 | +if [[ -z "${REPO:-}" || -z "${PR:-}" ]]; then | 
|  | 22 | +    echo "One or more of REPO and PR have not been set. Please ensure each is set." | 
|  | 23 | +    exit 0 | 
|  | 24 | +fi | 
|  | 25 | + | 
|  | 26 | +main () { | 
|  | 27 | +    CUR_DIRECTORY=$(dirname "$0") | 
|  | 28 | + | 
|  | 29 | +    # The latestReviews key returns the latest review for each reviewer cutting out any other reviews. | 
|  | 30 | +    JSON=$(gh pr view "${PR}" --json "files,author,latestReviews" | tr -dc '[:print:]' | sed -E 's/\\[a-z]//g') | 
|  | 31 | +    FILES=$(echo -n "${JSON}"| jq -r '.files[].path') | 
|  | 32 | +    LATEST_REVIEWS=$(echo -n "${JSON}" | jq -c '.latestReviews') | 
|  | 33 | + | 
|  | 34 | +    # Fetch components | 
|  | 35 | +    COMPONENTS=$(bash "${CUR_DIRECTORY}/get-components.sh" | tac) # Reversed so we visit subdirectories first | 
|  | 36 | +     | 
|  | 37 | +    declare -A PROCESSED_COMPONENTS | 
|  | 38 | + | 
|  | 39 | +    for COMPONENT in ${COMPONENTS}; do | 
|  | 40 | +        COMPONENT_OWNERS=$(COMPONENT="${COMPONENT}" bash "${CUR_DIRECTORY}/get-codeowners.sh") | 
|  | 41 | + | 
|  | 42 | +        for FILE in ${FILES}; do | 
|  | 43 | +            MATCH=$(echo -n "${FILE}" | grep -E "^${COMPONENT}" || true) | 
|  | 44 | + | 
|  | 45 | +            if [[ -z "${MATCH}" ]]; then | 
|  | 46 | +                continue | 
|  | 47 | +            fi | 
|  | 48 | + | 
|  | 49 | +            # If we match a file with a component, skip further processing for this file | 
|  | 50 | +            if [[ -v PROCESSED_COMPONENTS["${COMPONENT}"] ]]; then | 
|  | 51 | +                continue | 
|  | 52 | +            fi | 
|  | 53 | +            PROCESSED_COMPONENTS["${COMPONENT}"]=true | 
|  | 54 | + | 
|  | 55 | +            # Check if updated file is owned by one of the reviewers" | 
|  | 56 | +            echo "${LATEST_REVIEWS}" | jq -c '.[]' | while IFS= read -r REVIEW; do | 
|  | 57 | +                REVIEW_AUTHOR=$(echo -n "${REVIEW}"| jq -r '.author.login') | 
|  | 58 | +                REVIEW_STATE=$(echo -n "${REVIEW}"| jq -r '.state') | 
|  | 59 | +                if [[ "${REVIEW_STATE}" == "APPROVED" ]]; then | 
|  | 60 | +                    # Review is approved. Checking if reviewer is a component owner | 
|  | 61 | +                    for OWNER in ${COMPONENT_OWNERS}; do | 
|  | 62 | +                        if [[ "${REVIEW_AUTHOR}" == "${OWNER}" ]]; then | 
|  | 63 | +                            echo "Reviewer $REVIEW_AUTHOR is a component owner. Adding 'has:owner-approval' label." | 
|  | 64 | +                            gh pr edit "${PR}" --repo "${REPO}" --add-label "has:owner-approval" | 
|  | 65 | +                            exit 0 | 
|  | 66 | +                        fi | 
|  | 67 | +                    done | 
|  | 68 | +                fi | 
|  | 69 | +            done | 
|  | 70 | +        done | 
|  | 71 | +    done | 
|  | 72 | +} | 
|  | 73 | + | 
|  | 74 | +# Ensure the script does not block a PR even if it fails | 
|  | 75 | +main || echo "Failed to run $0" | 
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