Approve/Raise/Check a Github PR

gh_pr.sh

#!/bin/bash
set -e

# Function to display help
display_help() {
    echo "Usage: $0 [command] [args]"
    echo "Command:"
    echo "  approve                Approves the specified PR in format of URL"
    echo "  create                 Creates a new PR from specified args"
    echo "Options:"
    echo "  -t, --token TOKEN      Use provided github token for API authentication"
    echo "  -h, --help             Display this help message"
    echo "  -b, --batch            Do Batch processing with input file"
    exit 1
}

get_pr() {
    org="$1"
    repo="$2"
    pr="$3"

    curl_response=$(curl -X GET "https://api.github.com/repos/$org/$repo/pulls/$pr_number" \
        -H "Authorization: token $github_token" \
        -H "Content-Type: application/json" 2>/dev/null)

    echo "$curl_response"
}

approve_pr() {
    org_repo_pr=$(echo "$1" | awk -F'/' '{print $4,$5,$7}' OFS=' ')
    # Splitting the result into variables
    read -r org repo pr_number <<< "$org_repo_pr"
    echo "Approving PR #$pr_number for $org/$repo..."

    pr_mergeable=$(get_pr $org $repo $pr_number | jq '.mergeable')
    if [[ "$pr_mergeable" = "false" ]]; then
        echo "=> Merge conflicts detected! Can't be merged"
        exit 1
    fi

    data=$(jq -cn '.event = "APPROVE"')
    # Call GitHub API to create a PR review
    curl_response=$(curl -X POST "https://api.github.com/repos/$org/$repo/pulls/$pr_number/reviews" \
        -H "Authorization: token $github_token" \
        -H "Content-Type: application/json" \
        -d "$data" 2>/dev/null)

    # echo "$curl_response" | jq '.'
    # Check if the request was successful (status code 2xx)
    if [[ $(echo "$curl_response" | grep -c "\"message\": \"") -gt 0 ]]; then
        echo "Error approving PR: $curl_response"
        exit 1
    else
        echo "=> Done!"
    fi
}

raise_pr() {
    exit 0
}

batch=false
# # Parse command-line options
while [[ "$#" -gt 0 ]]; do
    case $1 in
        -t|--token)
            github_token="$2"
            shift
            ;;
        -h|--help)
            display_help
            exit 0
            ;;
        -b|--batch)
            batch=true
            ;;
        *)
            ARGS+=("$1")
            ;;
    esac
    shift
done

set -- "${ARGS[@]}"
cmd="$1"
shift

case "$cmd" in
    approve)
        approve_pr "$1"
        ;;
    create)
        raise_pr "$1" "$2" "$3" "$4"
        ;;
    *)
        display_help
        exit 1
        ;;
esac