Automatically updates Atom by downloading the latest version and replacing the currently installed version with it.

update_atom.sh

# Usage:
# $ chmod +x update_atom.sh 
# $ ./update_atom.sh

# https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c
get_latest_release() {
    curl --silent "https://api.github.com/repos/$1/releases/latest" |
        grep '"tag_name":' |
        sed -E 's/.*"([^"]+)".*/\1/'
}

notify-send "Updating Atom..."
pkill -9 atom

latestVersion=$(get_latest_release "atom/atom")

wget "https://github.com/atom/atom/releases/download/$latestVersion/atom-amd64.tar.gz"

# remove currently installed version of Atom and replace it with the new downloaded one
rm -r atom-*-amd64
tar -xf "atom-amd64.tar.gz"
rm "atom-amd64.tar.gz"

notify-send "Updating Atom to latest version has finished."

# remove v from version number: v1.5.0 -> 1.5.0
latestVersion="${latestVersion:1}"

cd "./atom-$latestVersion-amd64"
./atom &