nixpkgs/pkgs/applications/networking/instant-messengers/deltachat-desktop/update.sh

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#! /usr/bin/env nix-shell
#! nix-shell -i bash -p coreutils curl gnused jq moreutils nix-prefetch prefetch-npm-deps
set -euo pipefail
cd "$(dirname "$0")"
owner=deltachat
repo=deltachat-desktop
nixpkgs=../../../../..
rev=$(
curl -s "https://api.github.com/repos/$owner/$repo/releases" |
jq 'map(select(.prerelease | not)) | .[0].tag_name' --raw-output
)
ver=$(echo "$rev" | sed 's/^v//')
old_ver=$(tac default.nix | sed -n 's/.*\bversion = "\(.*\)".*/\1/p' | head -1)
if [ "$ver" = "$old_ver" ]; then
echo "Up to date: $ver"
exit
fi
echo "$old_ver -> $ver"
hash=$(nix-prefetch -f "$nixpkgs" deltachat-desktop --rev "$rev")
tac default.nix \
| sed -e "0,/version = \".*\"/s//version = \"$ver\"/" \
-e "0,/hash = \".*\"/s//hash = \"${hash//\//\\/}\"/" \
| tac \
| sponge default.nix
src=$(nix-build "$nixpkgs" -A deltachat-desktop.src --no-out-link)
hash=$(prefetch-npm-deps $src/package-lock.json)
sed -i "s,npmDepsHash = \".*\",npmDepsHash = \"$hash\"," default.nix