outdated_snaps.sh

#!/bin/bash

# Check for updates to a bunch of snaps

DATESTAMP=$(date +%Y-%m-%d)
TIMESTAMP=$(date +%H%M%S)
LOGFILE=./reports/$DATESTAMP-$TIMESTAMP.txt
SNAPSFILE="./snaps.csv"
USERNAME="popey"
TMPDIR=$(mktemp -d)
RELEASESFILE=$TMPDIR/releases.json
LATESTFILE=$TMPDIR/latest.json
TAGSFILE=$TMPDIR/tags.json
# Set GH API token
# shellcheck source=/home/alan/.config/ghtoken
source "/home/alan/.config/ghtoken"
# Whether to display edge version
EDGE=true

count_snaps () {
	NUMSNAPS=$(wc -l $SNAPSFILE |cut -d ' ' -f1)
}

start_logfile () {
	echo -e "Snap" "\t" "Application" "\t\t" "Publisher" "\t\t" "Stable" "\t\t" "Upstream" "\t" "OK?(✔/✖)" $(if [ "$EDGE" == "true" ]; then echo "\t\t" "Edge"; fi ) > $LOGFILE
}

clear_warnings () {
	snap warnings > /dev/null
	snap okay > /dev/null
}

check_github_api () {
	curl -s -u $USERNAME:$GHTOKEN https://api.github.com/repos/SimonLarsen/mrrescue/releases/latest -o $RELEASESFILE
	if [ "$?" == "8" ]; then
		echo "Possible github api failure"
		exit
	fi
}

dot () {
	echo -n "."
}

get_latest () {
	curl -s -u $USERNAME:$GHTOKEN https://api.github.com/repos/"$1"/"$2"/releases/latest -o $LATESTFILE
	if [ "$?" == "8" ]; then
		echo "Possible github api failure"
		exit
	fi
}

get_releases () {
	curl -s -u $USERNAME:$GHTOKEN https://api.github.com/repos/"$1"/"$2"/releases -o $RELEASESFILE
	if [ "$?" == "8" ]; then
		echo "Possible github api failure"
		exit
	fi
}

get_tags () {
	curl -s -u $USERNAME:$GHTOKEN  https://api.github.com/repos/"$1"/"$2"/tags -o $TAGSFILE
	if [ "$?" == "8" ]; then
		echo "Possible github api failure"
		exit
	fi
}

get_stable_snap () {
	snap info "$1" | awk '$1 == "latest/stable:" { print $2 }'
}

get_edge_snap () {
	snap info "$1" | awk '$1 == "latest/edge:" { print $2 }'
}

get_snap_publisher () {
	snap info "$1" | grep "^publisher" | cut -d ' ' -f2- | tr ' ' '.'
}

get_snap_details () {
	snap_stable="$(get_stable_snap $SnapName)"
	snap_edge="$(get_edge_snap $SnapName)"
	snap_publisher="$(get_snap_publisher $SnapName)"
}

cleanup () {
	for file in "$RELEASESFILE" "$LATESTFILE" "$TAGSFILE";
	do
		if [ -f "$file" ]; then
		    rm "$file"
		fi
	done
}

print_output () {
	url=""
	if [ "$snap_edge" == "$upstream_version" ] && [ "$snap_stable" != "$upstream_version" ]; then
		url="https://snapcraft.io/$SnapName/releases"
	elif [ "$snap_edge" != "$upstream_version" ] && [ "$snap_stable" != "$upstream_version" ]; then
		url="https://snapcraft.io/$SnapName/builds"
	fi
	echo -e "$SnapName" "\t" "$FriendlyName" "\t" "$snap_publisher" "\t" "$snap_stable" "\t" "$upstream_version" "\t" $(if [ "$snap_stable" == "$upstream_version" ]; then echo "✔"; else echo "✖"; fi ) $(if [ "$EDGE" == "true" ]; then echo -e "\t\t" "$snap_edge"; fi ) "\t" $url >> $LOGFILE
}

atom () {
	DEB_API="https://atom.io/download/deb"
	DEB_URL=$(curl -w "%{url_effective}\n" -I -L -s -S "${DEB_API}" -o /dev/null)
	upstream_version=$(echo "${DEB_URL}" | cut -d'/' -f4 | tr -d 'v')
}

android_studio () {
	upstream_version=$(python3 -u get_latest_android_studio.py | awk -F " " '{ print $1 }')
}

android_studio_canary () {
	upstream_version=$(python3 -u get_latest_android_studio_canary.py | awk -F " " '{ print $1 }')
}

discord () {
	deb_api="https://discordapp.com/api/download?platform=linux&format=deb"
	deb_url=$(curl -w "%{url_effective}\n" -I -L -s -S "${deb_api}" -o /dev/null)
	upstream_version=$(echo "${deb_url}" | cut -d'/' -f6)
}

jenkins () {
	curl -sLO http://mirrors.jenkins.io/war/latest/jenkins.war
	unzip -q jenkins.war META-INF/MANIFEST.MF
	upstream_version=$(grep Jenkins-Version META-INF/MANIFEST.MF | cut -d' ' -f2 | tr -d '\r')
	rm -rf ./META-INF/
	rm jenkins.war
}

process_csv () {
	while IFS=, read -r FriendlyName SnapName Type API Owner Repo
	do
		dot
		get_snap_details
		# Special cases
		case $SnapName in
			android-studio)
				android_studio
				;;
			android-studio-canary)
				android_studio_canary
				;;
			atom)
				atom
				;;
			discord)
				discord
				;;
			jenkins)
				jenkins
				;;
			*)
		    #echo "$FriendlyName $SnapName $Type $API $Owner $Repo"
			if [ "$Type" == "github" ]; then
				if [ "$API" == "releases" ]; then
					get_releases "$Owner" "$Repo"
					# Special cases
					case $SnapName in
						dosbox-x)
							upstream_version=$(jq . $RELEASESFILE | grep tag_name | cut -d'"' -f4 | sed -e 's/dosbox-x-//' -e 's/wip-//' -e 's/windows-//' -e 's/v//' | head -n 1)
							;;
						b2)
							upstream_version=$(jq . $RELEASESFILE | grep tag_name | cut -d'"' -f4 | cut -d- -f2-4 | head -n 1)
							;;
						wire)
							upstream_version=$(jq . $RELEASESFILE | grep tag_name | cut -d'"' -f4 | grep linux | head -n 1 | cut -d'/' -f2)
							;;
						signal-desktop)
							upstream_version=$(jq . $RELEASESFILE | grep tag_name | grep -v beta | head -n 1 | cut -d'"' -f4 | tr -d 'v')
							;;
						opentoonz-morevna)
							upstream_version=$(jq . $RELEASESFILE | grep tag_name | cut -d'"' -f4 | tr -d "v" | head -n 1 | sed s'/-morena//')
							;;
						*)
							upstream_version=$(jq . $RELEASESFILE | grep tag_name | cut -d'"' -f4 | tr -d "v" | head -n 1)
							;;
					esac
				elif [ "$API" == "latest" ]; then
					get_latest "$Owner" "$Repo"
					# Special cases
					case $SnapName in
						brackets)
							upstream_version=$(jq . $LATESTFILE | grep tag_name | cut -d'"' -f4 | sed s'/release-//')
							;;
						*)
							upstream_version=$(jq . $LATESTFILE | grep tag_name | cut -d'"' -f4 | tr -d "v" )
							;;
					esac
				elif [ "$API" == "tags" ]; then
					get_tags "$Owner" "$Repo"
					# Special cases
					case $SnapName in
						mutt)
							upstream_version=$(jq . $TAGSFILE | grep name | cut -d'"' -f4 | grep -v patch | sed -e 's/mutt-//' -e 's/.rel//' | sort -rn | head -n 1)
							;;
						flightgear)
							upstream_version=$(jq . $TAGSFILE | grep name | cut -d'"' -f4 | sed -e 's/version\///' | head -n 1)
							;;
						xonotic)
							upstream_version=$(jq . $TAGSFILE | grep name | cut -d'"' -f4 | head -n 1 | tr -d "v" | sed 's/xonotic-//')
							;;
						*)
							upstream_version=$(jq . $TAGSFILE | grep name | cut -d'"' -f4 | head -n 1 | tr -d "v")
							;;
					esac
				fi
			fi
		esac
	    # Echo results
		print_output
		cleanup
	done < "$SNAPSFILE"
}

clear_warnings
check_github_api
start_logfile
count_snaps
process_csv

echo " "
clear
echo "Processed $NUMSNAPS snaps"
cat $LOGFILE | column -t