gh-env-to-repo

#!/usr/bin/env bash

##
# Author: Enderson Menezes
# Created: 2024-02-19
# Description: This is a GitHub CLI extension that send a .env file from the local to repositorie secrets on GitHub.
# Usage: gh env-to-repo [flags]
##

set -e

## Necessary Modules
# - git
if ! type -p git >/dev/null; then
    echo "Git not found on the system" >&2
    exit 1
fi

# - gh
if ! type -p gh >/dev/null; then
    echo "GitHub CLI not found on the system" >&2
    exit 1
fi

## Necessary Functions

# - Verify if the owner and repository exists and the user has permission to access
function verify_owner_and_repository() {
    gh api repos/"${OWNER}"/"${REPOSITORY}" &>/dev/null || {
        echo "The owner ${OWNER} and the repository ${REPOSITORY} does not exist or you do not have permission to access."
        exit 1
    }
    echo "The owner ${OWNER} and the repository ${REPOSITORY} exists and you have permission to access."
}

# - Verify if the .env file exists
function verify_dot_env() {
    if [ ! -f .env ]; then
        echo "The .env file does not exist in the current directory."
        exit 1
    fi
    if [[ $(tail -c 1 .env | wc -l) -eq 0 ]]; then
        echo "The .env file does not have a blank line at the end."
        # Add a blank line at the end of the file
        echo "" >>.env
        echo "A blank line was added at the end of the .env file."
    fi
}

# - Parse the .env file
function parse_dot_env() {
    echo "Parsing the .env file..."
    VALUE_NAMES=()
    VALUE_KEYS=()
    while IFS= read -r line; do
        # Remove leading/trailing whitespace
        line=$(echo "$line" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
        if [[ -z $line || $line == \#* ]]; then
            # Skip empty lines and lines starting with '#'
            continue 
        fi
        # Eg. KEY=VALUE or KEY="VALUE"
        if [[ $line == *=* ]]; then
            KEY=$(echo "$line" | cut -d'=' -f1)
            VALUE=$(echo "$line" | cut -d'=' -f2)
            if [[ $VALUE == *\"* ]]; then
                VALUE=${VALUE//\"/}
            fi
            VALUE_NAMES+=("$KEY")
            VALUE_KEYS+=("$VALUE")
        fi
    done <.env
    echo "The .env file was parsed successfully."
}

function create_secrets() {
    echo "Creating the secrets..."
    for i in "${!VALUE_NAMES[@]}"; do
        gh secret set "${VALUE_NAMES[$i]}" -b "${VALUE_KEYS[$i]}" -R "${OWNER}"/"${REPOSITORY}"
    done
    echo "The secrets were created successfully."
}
## Necessary Args

# Check $1 - Owner
if [ -z "$1" ]; then
    echo "Owner is required. Usage: gh env-to-repo [owner] [repository]"
    read -rp "Owner: " OWNER
fi

# Creck $2 - Repository
if [ -z "$2" ]; then
    echo "Repository is required. Usage: gh env-to-repo [owner] [repository]"
    read -rp "Repository: " REPOSITORY
fi

# -- Main
echo "Welcome to the GitHub CLI extension env-to-repo!"
USERNAME=$(git config user.name)
EMAIL=$(git config user.email)
OWNER=${1:-$OWNER}
REPOSITORY=${2:-$REPOSITORY}
echo "Hello, ${USERNAME} <${EMAIL}>! I will help you to send your .env file to the repository secrets ${OWNER}/${REPOSITORY}."

# Check if the owner and repository exists and the user has permission to access
verify_owner_and_repository

# Check if .env file exists
verify_dot_env

# Parse the .env file
parse_dot_env

# Create the secrets using the GitHub CLI
create_secrets