being an android AOSP user I had no way to download or check for updates for signal messenger. writing this bash script at nearly 70 years old was like getting

being an android AOSP user I had no way to download or check for updates for signal messenger. writing this bash script at nearly 70 years old was like getting my first degree. it took me ages. download-signal-script.sh signal is now available in the Guardian project repo. =========================== #! /bin/bash # save json output to read shasums curl -s https://updates.signal.org/android/latest.json https://updates.signal.org/android/latest.json -o json.txt # save url from json to file curl -s https://updates.signal.org/android/latest.json https://updates.signal.org/android/latest.json | jq ".url" -r >signal.txt # show url cat json.txt | jq ".url" -r # remove files if selcted no and ext trap "rm -f json.txt signal.txt" EXIT # ask to continue while true do read -r -p 'Do you want to continue? ' choice case "$choice" in y|Y) break;; n|N) exit;; esac done # download new signal update xargs -n 1 curl -O < signal.txt # extract the sha256sum from the url or json file # curl -s https://updates.signal.org/android/latest.json https://updates.signal.org/android/latest.json | jq ".sha256sum" -r # check the files sha256sum cat signal.txt | echo | sha256sum *.apk # compare shasums cat json.txt | jq ".sha256sum" -r ===============================================