Initial commit

flake.nix

@@ -0,0 +1,99 @@
+{
+  description = "Pirate PostgreSQL backup script";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-22.11";
+    flake-utils.url = "github:numtide/flake-utils";
+    devshell = {
+      url = "github:numtide/devshell";
+      inputs = {
+        flake-utils.follows = "flake-utils";
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, devshell }:
+    flake-utils.lib.eachDefaultSystem (system: {
+      devShell =
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+
+            overlays = [ devshell.overlay ];
+          };
+        in
+        pkgs.devshell.mkShell {
+          name = "Pirate Backup development shell";
+          packages = with pkgs; [
+            isort
+            nixpkgs-fmt
+            postgresql_14
+            python3
+          ];
+          env = [
+            {
+              name = "PGDATA";
+              eval = "$PRJ_ROOT/tmp/postgres";
+            }
+            {
+              name = "DATABASE_HOST";
+              eval = "$PGDATA";
+            }
+          ];
+          commands = [
+            {
+              name = "pg:setup";
+              category = "database";
+              help = "Set up PostgreSQL in project folder";
+              command = ''
+                initdb --encoding=UTF8 --no-locale -U postgres
+                echo "listen_addresses = ${"'"}${"'"}" >> $PGDATA/postgresql.conf
+                echo "unix_socket_directories = '$PGDATA'" >> $PGDATA/postgresql.conf
+              '';
+            }
+            {
+              name = "pg:start";
+              category = "database";
+              help = "Start PostgreSQL instance";
+              command = ''
+                [ ! -d $PGDATA ] && pg:setup
+                pg_ctl -D $PGDATA -U postgres start -l $PRJ_ROOT/log/postgres.log
+              '';
+            }
+            {
+              name = "pg:stop";
+              category = "database";
+              help = "Stop PostgreSQL instance";
+              command = ''
+                pg_ctl -D $PGDATA -U postgres stop
+              '';
+            }
+            {
+              name = "pg:import";
+              category = "database";
+              help = "Import sample data";
+              command = ''
+                psql -h $PGDATA -U postgres < $PRJ_ROOT/tmp/sample.sql
+              '';
+            }
+            {
+              name = "pg:console";
+              category = "database";
+              help = "Open database console";
+              command = ''
+                psql --host $PGDATA -U postgres
+              '';
+            }
+            {
+              name = "maintenance:lint";
+              category = "Maintenance";
+              help = "Lint all the files in project";
+              command = ''
+                nixpkgs-fmt *.nix
+              '';
+            }
+          ];
+        };
+    });
+}