Attempt to package up the helpers alongside yama and datman

flake.lock

@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "naersk": {
       "inputs": {
         "nixpkgs": "nixpkgs"
@@ -46,10 +61,45 @@
         "type": "indirect"
       }
     },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1654176133,
+        "narHash": "sha256-XhjUlU+q9LPFM8Z7X3h504vS2FUToCyKhaf5hVF6nsw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "63f15db5291aec276924d907d3e083e74d68e8b9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "poetry2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1653561148,
+        "narHash": "sha256-JzAttqACdvMOTwkzkJ0jFF8MWIo8Uau4w/XUMyqpnd8=",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "3b01c3e3dc57d511848d8433153ab67db79640e1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "naersk": "naersk",
         "nixpkgs": "nixpkgs_2",
+        "poetry2nix": "poetry2nix",
         "utils": "utils"
       }
     },

flake.nix

@@ -4,15 +4,15 @@
   inputs = {
     utils.url = "github:numtide/flake-utils";
     naersk.url = "github:nix-community/naersk";
+    poetry2nix.url = "github:nix-community/poetry2nix";
   };
 
-  outputs = { self, nixpkgs, utils, naersk }:
+  outputs = { self, nixpkgs, utils, naersk, poetry2nix }:
     utils.lib.eachDefaultSystem (system: let
       pkgs = nixpkgs.legacyPackages."${system}";
       naersk-lib = naersk.lib."${system}";
-    in rec {
-      # `nix build`
-      packages.yama = naersk-lib.buildPackage {
+
+      rustComponents = naersk-lib.buildPackage {
         pname = "yama";
         root = ./.;
 
@@ -23,6 +23,45 @@
         ];
       };
 
+      mysqlHelper = pkgs.poetry2nix.mkPoetryApplication {
+        projectDir = ./datman-helper-mysql;
+      };
+
+      postgresHelper = pkgs.poetry2nix.mkPoetryApplication {
+        projectDir = ./datman-helper-postgres;
+      };
+
+      # We want to produce a package with all of these together, with wrappers that let them
+      # refer to each other by name (i.e. have each other on the path).
+      # ATM it's just Datman that needs them on the PATH.
+      allInOne = pkgs.stdenv.mkDerivation {
+        name = "datman-aio";
+
+        src = "${pkgs.emptyDirectory}";
+
+        installPhase = ''
+          # set -eu
+          mkdir $out $out/bin
+          ln -s ${rustComponents}/bin/{yama,datman} $out/bin
+          ln -s ${mysqlHelper}/bin/datman-helper-mysql-{backup,restore} $out/bin
+          ln -s ${postgresHelper}/bin/datman-helper-postgres-{backup,restore} $out/bin
+          runHook postInstall
+        '';
+
+        buildInputs = [ pkgs.makeWrapper ];
+
+        postInstall = ''
+          set -eu
+          #for fn in $out/bin/{datman,yama,datman-helper-{mysql,postgres}-{backup,restore}}; do
+          #  wrapProgram $fn --suffix PATH : $out/bin
+          #done
+          wrapProgram $out/bin/datman --suffix PATH : $out/bin
+        '';
+      };
+    in rec {
+      # `nix build`
+      packages.yama = allInOne;
+
       defaultPackage = packages.yama;
 
       # NixOS Modules
@@ -32,7 +71,7 @@
 
       # `nix run`
       apps.yama = utils.lib.mkApp {
-        drv = packages.yama;
+        drv = rustComponents;
       };
       defaultApp = apps.yama;