warp-terminal: added passthru update script

pkgs/by-name/wa/warp-terminal/package.nix

@@ -17,13 +17,15 @@
 
 let
 pname = "warp-terminal";
-version = "0.2024.02.20.08.01.stable_01";
+versions = lib.importJSON ./versions.json;
+passthru.updateScript = ./update.sh;
 
 linux = stdenv.mkDerivation (finalAttrs:  {
-  inherit pname version meta;
+  inherit pname meta passthru;
+  inherit (versions.linux) version;
   src = fetchurl {
+    inherit (versions.linux) hash;
     url = "https://releases.warp.dev/stable/v${finalAttrs.version}/warp-terminal-v${finalAttrs.version}-1-x86_64.pkg.tar.zst";
-    hash = "sha256-L8alnqSE4crrDozRfPaAAMkLc+5+8d9XBKd5ddsxmD0=";
   };
 
   sourceRoot = ".";
@@ -65,10 +67,11 @@ linux = stdenv.mkDerivation (finalAttrs:  {
 });
 
 darwin = stdenvNoCC.mkDerivation (finalAttrs: {
-  inherit pname version meta;
+  inherit pname meta passthru;
+  inherit (versions.darwin) version;
   src = fetchurl {
+    inherit (versions.darwin) hash;
     url = "https://releases.warp.dev/stable/v${finalAttrs.version}/Warp.dmg";
-    hash = "sha256-tFtoD8URMFfJ3HRkyKStuDStFkoRIV97y9kV4pbDPro=";
   };
 
   sourceRoot = ".";
@@ -90,7 +93,7 @@ meta = with lib; {
   homepage = "https://www.warp.dev";
   license = licenses.unfree;
   sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-  maintainers = with maintainers; [ emilytrau Enzime ];
+  maintainers = with maintainers; [ emilytrau Enzime imadnyc ];
   platforms = platforms.darwin ++ [ "x86_64-linux" ];
 };
 

pkgs/by-name/wa/warp-terminal/update.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq moreutils nix-prefetch
+#shellcheck shell=bash
+set -eu -o pipefail
+
+dirname="$(dirname "$0")"
+
+err() {
+    echo "$*" >&2
+}
+
+json_get() {
+    jq -r "$1" < "$dirname/versions.json"
+}
+
+json_set() {
+    jq --arg x "$2" "$1 = \$x" < "$dirname/versions.json" | sponge "$dirname/versions.json"
+}
+
+resolve_url() {
+    local pkg sfx url
+    local -i i max_redirects
+    case "$1" in
+        darwin)
+            pkg=macos
+            sfx=dmg
+            ;;
+        linux)
+            pkg=pacman
+            sfx=pkg.tar.zst
+            ;;
+        *)
+            err "Unexpected download type: $1"
+            exit 1
+            ;;
+    esac
+    url="https://app.warp.dev/download?package=${pkg}"
+    ((max_redirects = 15))
+    for ((i = 0; i < max_redirects; i++)); do
+        url=$(curl -s -o /dev/null -w '%{redirect_url}' "${url}")
+        [[ ${url} != *.${sfx} ]] || break
+    done
+    ((i < max_redirects)) || { err "too many redirects"; exit 1; }
+    echo "${url}"
+}
+
+get_version() {
+    echo "$1" | grep -oP -m 1 '(?<=/v)[\d.\w]+(?=/)'
+}
+
+for sys in darwin linux; do
+    url=$(resolve_url ${sys})
+    version=$(get_version "${url}")
+    if [[ ${version} != "$(json_get ".${sys}.version")" ]];
+        then
+            sri=$(nix hash to-sri --type sha256 "$(nix-prefetch-url --type sha256 "${url}")")
+            json_set ".${sys}.version" "${version}"
+            json_set ".${sys}.hash" "${sri}"
+    fi
+done

pkgs/by-name/wa/warp-terminal/versions.json

@@ -0,0 +1,10 @@
+{
+  "darwin" : {
+    "hash" : "sha256-tFtoD8URMFfJ3HRkyKStuDStFkoRIV97y9kV4pbDPro=",
+    "version" : "0.2024.02.20.08.01.stable_01"
+  },
+  "linux" : {
+    "hash" : "sha256-L8alnqSE4crrDozRfPaAAMkLc+5+8d9XBKd5ddsxmD0=",
+    "version" : "0.2024.02.20.08.01.stable_01"
+  }
+}