lightspeed-ingest: init

nix/pkgs/default.nix

@@ -19,3 +19,4 @@
   deluge = import ./deluge args;
   grafana-plugins = import ./grafana-plugins args;
 } // (import ./heptapod-runner.nix args)
+  // (import ./lightspeed args)

nix/pkgs/lightspeed/default.nix

@@ -0,0 +1,4 @@
+{ pkgs, ... }@args:
+{
+  lightspeed-ingest = pkgs.callPackage ./lightspeed-ingest { };
+}

nix/pkgs/lightspeed/lightspeed-ingest/crate2nix-sources.nix

@@ -0,0 +1,108 @@
+
+# Support functions to create a nix generated workspace for out-of-tree sources.
+#
+# You do not need to check this in since it will be regenerated every time it is
+# used by crate2nix.
+#
+# This file was @generated by crate2nix 0.9.0-alpha.1 with the command:
+#   "generate"
+#
+# See https://github.com/kolloch/crate2nix for more info.
+
+{ nixpkgs ? <nixpkgs>
+, pkgs ? import nixpkgs {}
+, lib ? pkgs.lib
+# The path to crate2nix.json.
+, crate2nixJson ? ./crate2nix.json
+}:
+
+let config = builtins.fromJSON (builtins.readFile crate2nixJson);
+    sources = config.sources or (builtins.throw "no sources in ${crate2nixJson}");
+in
+rec {
+    /* An attrset mapping a source name to its source (as a derivation). */
+    fetchedSourcesByName = lib.mapAttrs internal.sourceFromConfig sources;
+
+    /* A derivation building a directory symlinking all workspace member sources
+       by their name.
+    */
+    fetchedSources =
+        let sources = lib.mapAttrsToList (name: path: { inherit name path; }) fetchedSourcesByName;
+        in
+        pkgs.linkFarm "crate2nix-sources" sources;
+
+    internal = rec {
+        sourceFromConfig = name: { type, ... } @ source:
+            assert builtins.isString name;
+            assert builtins.isString type;
+
+            if type == "Git"
+            then pkgs.fetchgit {
+                url = source.url;
+                rev = source.rev;
+                sha256 = source.sha256;
+            }
+            else if type == "CratesIo"
+            then downloadFromCratesIo source
+            else if type == "Nix"
+            then resolveNix source
+            else builtins.throw "Unexpected source type '${type}' for source: ${builtins.toJSON source}";
+
+        /* Resolves a source configuration of type "Nix".
+
+           It can either have
+
+           * a `{ package = ...; ... }` path which will be resolved with pkg.callPackage
+
+           * or an `{ import = ...; ... }` path which will be imported.
+
+           Within that context and additional optional `attr` attribute path is resolved.
+
+           E.g.
+           ```nix
+           {
+                type = "Nix";
+                import = "./nix/sources.nix";
+                attr = "myPackage.release";
+           }
+           ```
+        */
+        resolveNix = { type, ... } @ source:
+            assert type == "Nix";
+
+            let attrs =
+                    if source ? package
+                    then pkgs.callPackage (./. + "/${source.package}") {}
+                    else if source ? "import"
+                    then import (./. + ''/${source."import"}'')
+                    else builtins.throw "Neither import nor package in nix source.";
+                attrPath = lib.splitString "." source.attr;
+                sourceDerivation =
+                    if source ? attr
+                    then lib.attrByPath
+                        attrPath
+                        (builtins.throw
+                            ''
+                            Did not find attribute '${source.attr or ""}'
+                            in '${source.package or source.import or "missing file"}'.
+                            '')
+                        attrs
+                    else attrs;
+            in
+            sourceDerivation;
+
+        downloadFromCratesIo = { type, name, version, sha256 }:
+            assert type == "CratesIo";
+
+            let archive = pkgs.fetchurl {
+                name = "${name}-${version}.tar.gz";
+                url = "https://crates.io/api/v1/crates/${name}/${version}/download";
+                inherit sha256;
+            };
+            in pkgs.runCommand (lib.removeSuffix ".tar.gz" name) {}
+            ''
+                mkdir -p $out
+                tar -xzf ${archive} --strip-components=1 -C $out
+            '';
+    };
+}

nix/pkgs/lightspeed/lightspeed-ingest/crate2nix.json

@@ -0,0 +1,10 @@
+{
+  "sources": {
+    "lightspeed-ingest": {
+      "type": "Git",
+      "url": "https://github.com/GRVYDEV/lightspeed-ingest",
+      "rev": "6e7756d427e409480d183a4e2211f0dca38629b1",
+      "sha256": "145fqxwzvkcpg94b9f9annqf29nyjaign6yins3jkhsz8zbqcv99"
+    }
+  }
+}

nix/pkgs/lightspeed/lightspeed-ingest/default.nix

@@ -0,0 +1,2 @@
+{ pkgs, lib, stdenv, buildRustCrate, defaultCrateOverrides }:
+(import ./Cargo.nix { inherit pkgs lib stdenv buildRustCrate defaultCrateOverrides; }).workspaceMembers.lightspeed-ingest.build