snap-downloader

#!/bin/bash

SNAP_NAME="${1}"
test -z "${SNAP_NAME}" && exit 1

ARCH="${2}"
test -z "${ARCH}" && ARCH='amd64'

SNAP_API_URI="http://api.snapcraft.io/v2/snaps/info/${SNAP_NAME}"

# -L seçeneği ile yönlendirmeleri takip et
RESPONSE_JSON="$(curl -s -L -H "Accept: application/json" -H "Snap-Device-Series: 16" "${SNAP_API_URI}")"

# JSON verisini denetle
if jq -e . > /dev/null 2>&1 <<< "${RESPONSE_JSON}"
then
	DOWNLOAD_URL="$(jq -r '.["channel-map"][] | select(.channel.architecture == "'"${ARCH}"'" and .channel.risk == "stable") | .download.url' <<< "${RESPONSE_JSON}")"
	if [ -n "${DOWNLOAD_URL}" ]
	then
		if [ "$(wc -l <<< "${DOWNLOAD_URL}")" -gt 1 ]
		then
			select DOWNLOADABLE_VERSION in ${DOWNLOAD_URL}
			do
				DOWNLOAD_URL="${DOWNLOADABLE_VERSION}"
				break
			done
		fi
		echo "Download URL: ${DOWNLOAD_URL}"
		if curl --progress-bar -o "${SNAP_NAME}_${ARCH}.snap" -L "${DOWNLOAD_URL}"
		then
			echo "Download succeeded"
		else
			echo "Download failed"
		fi
	else
		echo "No ${ARCH} snap available" >&2
	fi
else
	echo "Unknown error occurred. Could not retrieve snap information." >&2
fi