Move deb packing under deb folder (#12)

deb/update-check.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -ex
+
+VERSION=`cat VERSION`
+
+JSON_CONTENT=$(curl -q https://protonmail.com/download/current_version_linux.json)
+URL=$(echo ${JSON_CONTENT} | sed -n "s/^.*\"DebFile\":\"\([a-z0-9:/._-]*\)\".*$/\1/p")
+CURR_VERSION=$(echo $URL | sed -n "s/https:\/\/protonmail.com\/.*_\([0-9.-]*\)_.*.deb/\1/p")
+
+if [[ -z $CURR_VERSION ]]; then
+    echo "Failed to get new version. Existing."
+    exit 1
+fi
+
+if [[ $VERSION != $CURR_VERSION ]]; then
+    echo "New release found: ${CURR_VERSION}"
+
+    # bump up to new release
+    echo ${CURR_VERSION} > VERSION
+
+    # commit
+    git config --local user.email "actions@github.com"
+    git config --local user.name "Github Action"
+    git add VERSION
+    git commit -m "Bump version to ${CURR_VERSION}" --author="Xiaonan Shen <s@sxn.dev>"
+    git push
+fi