Add experimental Nix flake

4 files changed, 134 insertions, 0 deletions

diff --git a/README.md b/README.md
index 146a3fa..3b6051f 100644
--- a/README.md
+++ b/README.md
@@ -46,3 +46,7 @@ On Arch Linux you can install the dependencies using `pacman(8)`:
     $ make
     $ sudo make install
 
+Alternatively you can run (or install) the experimental Nix flake.
+
+    $ nix run git+https://git.skreutz.com/temp-postgres.git -- <dbname> <username>
+
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..f1824cc
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1775087534,
+        "narHash": "sha256-91qqW8lhL7TLwgQWijoGBbiD4t7/q75KTi8NxjVmSmA=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "3107b77cd68437b9a76194f0f7f9c55f2329ca5b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1775888245,
+        "narHash": "sha256-nwASzrRDD1JBEu/o8ekKYEXm/oJW6EMCzCRdrwcLe90=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "13043924aaa7375ce482ebe2494338e058282925",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1774748309,
+        "narHash": "sha256-+U7gF3qxzwD5TZuANzZPeJTZRHS29OFQgkQ2kiTJBIQ=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "333c4e0545a6da976206c74db8773a1645b5870a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..bedd3af
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,68 @@
+{
+  description = "Run the PostgreSQL server off a temporary data directory";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+  };
+
+  outputs =
+    inputs@{
+      self,
+      nixpkgs,
+      flake-parts,
+      ...
+    }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ];
+
+      perSystem =
+        {
+          self',
+          pkgs,
+          lib,
+          ...
+        }:
+        let
+          version = builtins.head (lib.splitString "\n" (builtins.readFile ./version));
+          revision = lib.toString (self.shortRev or self.dirtyShortRev or "unknown");
+        in
+        {
+          packages.default = self'.packages.temp-postgres;
+
+          packages.temp-postgres = pkgs.stdenv.mkDerivation {
+            name = "temp-postgres-${version}-${revision}";
+            version = "${version}-${revision}";
+            src = lib.cleanSource (
+              builtins.path {
+                path = ./.;
+                name = "temp-postgres";
+              }
+            );
+            nativeBuildInputs = [ pkgs.makeBinaryWrapper ];
+            installPhase = ''
+              mkdir -p $out/bin
+              cp temp-postgres.sh $out/bin/temp-postgres
+              mkdir -p $out/man/man1
+              cp temp-postgres.1 $out/man/man1/temp-postgres.1
+              wrapProgram $out/bin/temp-postgres --prefix PATH : ${lib.makeBinPath [ pkgs.postgresql ]}
+            '';
+          };
+
+          formatter = pkgs.nixfmt-tree;
+
+          devShells.default = pkgs.mkShell {
+            nativeBuildInputs = with pkgs; [
+              postgresql
+            ];
+            shellHook = ''
+              export FLAKE=${self}
+            '';
+          };
+        };
+    };
+}
diff --git a/version b/version
new file mode 100644
index 0000000..0ea3a94
--- /dev/null
+++ b/version
@@ -0,0 +1 @@
+0.2.0