spread: init at 0-unstable-2023-03-01

pkgs/by-name/sp/spread/local-script-path.patch

@@ -0,0 +1,13 @@
+diff --git a/spread/client.go b/spread/client.go
+index c72d48a..e927567 100644
+--- a/spread/client.go
++++ b/spread/client.go
+@@ -791,7 +791,7 @@ func (s *localScript) run() (stdout, stderr []byte, err error) {
+ 	buf.WriteString("NOMATCH() { { set +xu; } 2> /dev/null; local stdin=$(cat); if echo $stdin | grep -q -E \"$@\"; then echo \"NOMATCH pattern='$@' found in:\n$stdin\">&2; return 1; fi }\n")
+ 	buf.WriteString("export DEBIAN_FRONTEND=noninteractive\n")
+ 	buf.WriteString("export DEBIAN_PRIORITY=critical\n")
+-	buf.WriteString("export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin\n")
++	buf.WriteString(fmt.Sprintf("export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin:%s\n", os.Getenv("PATH")))
+ 
+ 	for _, k := range s.env.Keys() {
+ 		v := s.env.Get(k)

pkgs/by-name/sp/spread/package.nix

@@ -0,0 +1,66 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+  nix-update-script,
+  bash,
+  coreutils,
+  gnutar,
+  gzip,
+  makeWrapper,
+}:
+
+buildGoModule {
+  pname = "spread";
+  version = "0-unstable-2023-03-01";
+
+  src = fetchFromGitHub {
+    owner = "snapcore";
+    repo = "spread";
+    rev = "ded9133cdbceaf01f8a1c9decf6ff9ea56e194d6";
+    hash = "sha256-uHBzVABfRCyBAGP9f+2GS49Qc8R9d1HaRr6bYPeVSU4=";
+  };
+
+  vendorHash = "sha256-SULAfCLtNSnuUXvA33I48hnhU0Ixq79HhADPIKYkWNU=";
+
+  subPackages = [ "cmd/spread" ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  patches = [
+    # The upstream project statically assigns a PATH when running scripts in the
+    # local machine context. This patch keeps that static PATH assignment, but also
+    # appends the PATH from the environment context in which spread was run, so
+    # that nix-installed binaries are also available.
+    ./local-script-path.patch
+  ];
+
+  postPatch = ''
+    # Replace direct calls to /bin/bash
+    substituteInPlace spread/lxd.go --replace-fail '"/bin/bash", ' '"/usr/bin/env", "bash", '
+    substituteInPlace spread/client.go --replace-fail '"/bin/bash", ' '"/usr/bin/env", "bash", '
+    substituteInPlace spread/project.go --replace-fail '"/bin/bash", ' '"/usr/bin/env", "bash", '
+  '';
+
+  postInstall = ''
+    wrapProgram $out/bin/spread --prefix PATH : ${
+      lib.makeBinPath [
+        bash
+        coreutils
+        gnutar
+        gzip
+      ]
+    }
+  '';
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    mainProgram = "spread";
+    license = lib.licenses.gpl3Only;
+    description = "Convenient full-system test (task) distribution";
+    homepage = "https://github.com/snapcore/spread";
+    maintainers = with lib.maintainers; [ jnsgruk ];
+    platforms = lib.platforms.linux;
+  };
+}