install

#!/usr/bin/env bash

set -e

BINARY_NAME="harpoon"
BINARY_RELEASE_NAME="${BINARY_NAME}"

# Check if a version argument is provided
VERSION="latest"
INSTALL_DIR="/usr/sbin"

# Parse optional flags
while [[ $# -gt 0 ]]; do
    case $1 in
        --install-version)
            VERSION="$2"
            shift 2
            ;;
        --install-dir)
            INSTALL_DIR="$2"
            shift 2
            ;;
        *)
            echo "unknown option: $1"
            exit 1
            ;;
    esac
done

if [ "$VERSION" == "latest" ]; then
    # Download the latest release
    DOWNLOAD_URL=$(curl -s https://api.github.com/repos/alegrey91/harpoon/releases/latest |
        grep "browser_download_url" |
        cut -d : -f 2,3 |
        tr -d \" | \
        grep "$BINARY_RELEASE_NAME$")
else
    # Download the specified version
    DOWNLOAD_URL=https://github.com/alegrey91/harpoon/releases/download/"$VERSION"/harpoon
fi

# Validate if the download URL is found
if [ -z "$DOWNLOAD_URL" ]; then
    echo "error: unable to find the specified version or the latest release."
    exit 1
fi

# Download the binary
wget -q ${DOWNLOAD_URL} -O "$BINARY_RELEASE_NAME"

# Check if the binary has been downloaded, otherwise exit
if [ ! -f "$BINARY_RELEASE_NAME" ]; then
    echo "$BINARY_RELEASE_NAME doesn't exist."
    exit 1
fi
printf "[download succeeded]\n"

# Install the binary
chmod +x "$BINARY_RELEASE_NAME"
mv "$BINARY_RELEASE_NAME" "$INSTALL_DIR/$BINARY_NAME"
printf "[installation succeeded]\n"