From 850c8da95a8fe2bdf4d65cd3e1250f022ec05c02 Mon Sep 17 00:00:00 2001
From: Felix Albrigtsen <felixalbrigtsen@gmail.com>
Date: Sat, 2 Sep 2023 19:55:24 +0200
Subject: [PATCH] Initial nix flake, automate devshell (#47)

---
 flake.lock | 27 ++++++++++++++++++++++
 flake.nix  | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..207b320
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1692463654,
+        "narHash": "sha256-F8hZmsQINI+S6UROM4jyxAMbQLtzE44pI8Nk6NtMdao=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ca3c9ac9f4cdd4bea19f592b32bb59b74ab7d783",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..0822929
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,67 @@
+{
+  description = "Programvareverkstedet/nettsiden PHP environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+  let
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+      "aarch64-darwin"
+    ];
+    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
+  in {
+    devShells = forAllSystems (system: rec {
+      pkgs = import nixpkgs { inherit system; };
+      default = pkgs.mkShellNoCC {
+        buildInputs = with pkgs; [
+          php82
+          (with php82Extensions; [
+            iconv
+            mbstring
+            pdo_mysql
+            pdo_sqlite
+          ])
+          sqlite
+          git
+        ];
+        shellHook = ''
+          export PHPHOST=localhost
+          export PHPPORT=1080
+          alias runDev='php -S $PHPHOST:$PHPPORT -d error_reporting=E_ALL -d display_errors=1 -t www/'
+
+          # Prepare dev environment with sqlite and config files
+          test -e pvv.sqlite || sqlite3 pvv.sqlite < dist/pvv.sql
+          test -e sql_config.php || cp -v dist/sql_config_example.php sql_config.php
+
+          test -e dataporten_config.php || cp -v dist/dataporten_config.php dataporten_config.php
+
+          test -e composer.phar || curl -O https://getcomposer.org/composer.phar
+
+          if [ ! -f lib/OAuth2-Client/OAuth2Client.php ] ; then
+            echo Missing git submodules. Installing...
+            (set -x; git submodule update --init --recursive) || exit $?
+          fi
+
+          if [ ! -d vendor ] ; then
+            php composer.phar install || exit $?
+            cp -v dist/authsources_example.php vendor/simplesamlphp/simplesamlphp/config/authsources.php
+            cp -v dist/saml20-idp-remote.php vendor/simplesamlphp/simplesamlphp/metadata/saml20-idp-remote.php
+            cp -v vendor/simplesamlphp/simplesamlphp/config-templates/config.php vendor/simplesamlphp/simplesamlphp/config/config.php
+            sed -e "s/'trusted.url.domains' => array()/'trusted.url.domains' => array(\"$PHPHOST:$PHPPORT\")/g" < vendor/simplesamlphp/simplesamlphp/config-templates/config.php > vendor/simplesamlphp/simplesamlphp/config/config.php
+            ln -s ../vendor/simplesamlphp/simplesamlphp/www/ www/simplesaml
+          fi
+        '';
+
+        # TODO:
+        # - Integrate with docker config
+        # - Make "trusted.url.domains" dynamic based on the current host:port
+        # - Do not download composer.phar with curl
+
+      };
+    });
+  };
+}