From cd851f5499fc4600a9febe8347edd333d8bc9b1f Mon Sep 17 00:00:00 2001
From: Danielle Lancashire <dani@builds.terrible.systems>
Date: Wed, 17 Apr 2024 21:37:52 +0000
Subject: [PATCH] fermyon-spin: 2.2.0 -> 2.4.2

Signed-off-by: Danielle Lancashire <dani@builds.terrible.systems>
---
 .../tools/fermyon-spin/default.nix            | 22 +++++++------
 pkgs/development/tools/fermyon-spin/update.sh | 31 +++++++++++++++++++
 2 files changed, 44 insertions(+), 9 deletions(-)
 create mode 100755 pkgs/development/tools/fermyon-spin/update.sh

diff --git a/pkgs/development/tools/fermyon-spin/default.nix b/pkgs/development/tools/fermyon-spin/default.nix
index 8091c64b974b..a969baf411f8 100644
--- a/pkgs/development/tools/fermyon-spin/default.nix
+++ b/pkgs/development/tools/fermyon-spin/default.nix
@@ -1,6 +1,6 @@
 { lib
 , stdenv
-, fetchzip
+, fetchurl
 , autoPatchelfHook
 , gcc-unwrapped
 , zlib
@@ -17,22 +17,26 @@ let
   }.${system} or (throw "Unsupported system: ${system}");
 
   packageHash = {
-    x86_64-linux = "sha256-Y0Inew0PncpnEpdLWtl/85t93eGSRewKh5mvGnn+yck=";
-    aarch64-linux = "sha256-HEm3TaLeaws8G73CU9BmxeplQdeF9nQbBSnbctaVhqI=";
-    x86_64-darwin = "sha256-mlshpN/4Od4qrXiqIEYo7G84Dtb+tp2nK2VnrRG2rto=";
-    aarch64-darwin = "sha256-aJH/vOidj0vbkttGDgelaAC/dMYguQPLjxl+V3pOVzI=";
+    x86_64-linux = "sha256-LHiLkZ+VN+wPnq6OukXozQWKh7ewNaFor1ndCUlCBtU=";
+    aarch64-linux = "sha256-1+rLGnm+LhbYigYUcmuLICLFXUk3wjOkmxuCuuI+Xqc=";
+    x86_64-darwin = "sha256-mJA3VXfNr6578Q2xw0xOZccloQpeCIsjn3dVdlsnTVs=";
+    aarch64-darwin = "sha256-FNl3UefJWA8yJ2B44GUEK6py7DLikJrygIwsqdIjW9c=";
   }.${system} or (throw "Unsupported system: ${system}");
 
 in stdenv.mkDerivation rec {
   pname = "fermyon-spin";
-  version = "2.2.0";
+  version = "2.4.2";
 
-  src = fetchzip {
+  # Use fetchurl rather than fetchzip as these tarballs are built by the project
+  # and not by GitHub (and thus are stable) - this simplifies the update script
+  # by allowing it to use the output of `nix store prefetch-file`.
+  src = fetchurl {
     url = "https://github.com/fermyon/spin/releases/download/v${version}/spin-v${version}-${platform}.tar.gz";
-    stripRoot = false;
     hash = packageHash;
   };
 
+  sourceRoot = ".";
+
   nativeBuildInputs = lib.optionals stdenv.isLinux [
     autoPatchelfHook
   ];
@@ -46,7 +50,7 @@ in stdenv.mkDerivation rec {
     runHook preInstall
 
     mkdir -p $out/bin
-    cp $src/* $out/bin
+    cp ./spin $out/bin
 
     runHook postInstall
   '';
diff --git a/pkgs/development/tools/fermyon-spin/update.sh b/pkgs/development/tools/fermyon-spin/update.sh
new file mode 100755
index 000000000000..9d00621f1c37
--- /dev/null
+++ b/pkgs/development/tools/fermyon-spin/update.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p jq
+#shellcheck shell=bash
+
+CURRENT_HASH=""
+
+print_hash() {
+    OS="$1"
+    ARCH="$2"
+    VERSION="$3"
+
+    URL="https://github.com/fermyon/spin/releases/download/v${VERSION}/spin-v${VERSION}-${OS}-${ARCH}.tar.gz"
+    echo
+    CURRENT_HASH=$(nix store prefetch-file "$URL" --json | jq -r '.hash')
+
+    echo "${ARCH}-${OS}: $CURRENT_HASH"
+}
+
+if [[ -z "$VER" && -n "$1" ]]; then
+    VER="$1"
+fi
+
+if [[ -z "$VER" ]]; then
+    echo "No 'VER' environment variable provided, skipping"
+else
+    print_hash "linux"  "amd64"   "$VER"
+    print_hash "linux"  "aarch64" "$VER"
+    print_hash "macos" "amd64"   "$VER"
+    print_hash "macos" "aarch64" "$VER"
+fi
+