From d78128ecd759db7aa86727fc08068a23e223b0ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Wed, 23 Jan 2019 12:05:28 +0100
Subject: Purify connexionswing website

---
 virtual/modules/websites/commons/composer-env.nix  | 274 ++++++++++
 .../websites/connexionswing/connexionswing.json    |   6 +-
 .../websites/connexionswing/connexionswing.nix     |  44 +-
 .../websites/connexionswing/php-packages.nix       | 597 +++++++++++++++++++++
 virtual/modules/websites/default.nix               |   3 +
 5 files changed, 897 insertions(+), 27 deletions(-)
 create mode 100644 virtual/modules/websites/commons/composer-env.nix
 create mode 100644 virtual/modules/websites/connexionswing/php-packages.nix

diff --git a/virtual/modules/websites/commons/composer-env.nix b/virtual/modules/websites/commons/composer-env.nix
new file mode 100644
index 0000000..123d5fa
--- /dev/null
+++ b/virtual/modules/websites/commons/composer-env.nix
@@ -0,0 +1,274 @@
+# This file originates from composer2nix
+
+{ stdenv, writeTextFile, fetchurl, php, unzip }:
+
+let
+  composer = stdenv.mkDerivation {
+    name = "composer-1.8.0";
+    src = fetchurl {
+      url = https://github.com/composer/composer/releases/download/1.8.0/composer.phar;
+      sha256 = "19pg9ip2mpyf5cyq34fld7qwl77mshqw3c4nif7sxmpnar6sh089";
+    };
+    buildInputs = [ php ];
+
+    # We must wrap the composer.phar because of the impure shebang.
+    # We cannot use patchShebangs because the executable verifies its own integrity and will detect that somebody has tampered with it.
+
+    buildCommand = ''
+      # Copy phar file
+      mkdir -p $out/share/php
+      cp $src $out/share/php/composer.phar
+      chmod 755 $out/share/php/composer.phar
+
+      # Create wrapper executable
+      mkdir -p $out/bin
+      cat > $out/bin/composer <<EOF
+      #! ${stdenv.shell} -e
+      exec ${php}/bin/php $out/share/php/composer.phar "\$@"
+      EOF
+      chmod +x $out/bin/composer
+    '';
+    meta = {
+      description = "Dependency Manager for PHP";
+      #license = stdenv.licenses.mit;
+      maintainers = [ stdenv.lib.maintainers.sander ];
+      platforms = stdenv.lib.platforms.unix;
+    };
+  };
+
+  buildZipPackage = { name, src }:
+    stdenv.mkDerivation {
+      inherit name src;
+      buildInputs = [ unzip ];
+      buildCommand = ''
+        unzip $src
+        baseDir=$(find . -type d -mindepth 1 -maxdepth 1)
+        cd $baseDir
+        mkdir -p $out
+        mv * $out
+      '';
+    };
+
+  buildPackage =
+    { name
+    , src
+    , packages ? {}
+    , devPackages ? {}
+    , buildInputs ? []
+    , symlinkDependencies ? false
+    , executable ? false
+    , removeComposerArtifacts ? false
+    , postInstall ? ""
+    , preInstall ? ""
+    , noDev ? false
+    , unpackPhase ? "true"
+    , buildPhase ? "true"
+    , ...}@args:
+
+    let
+      reconstructInstalled = writeTextFile {
+        name = "reconstructinstalled.php";
+        executable = true;
+        text = ''
+          #! ${php}/bin/php
+          <?php
+          if(file_exists($argv[1]))
+          {
+              $composerLockStr = file_get_contents($argv[1]);
+
+              if($composerLockStr === false)
+              {
+                  fwrite(STDERR, "Cannot open composer.lock contents\n");
+                  exit(1);
+              }
+              else
+              {
+                  $config = json_decode($composerLockStr, true);
+
+                  if(array_key_exists("packages", $config))
+                      $allPackages = $config["packages"];
+                  else
+                      $allPackages = array();
+
+                  ${stdenv.lib.optionalString (!noDev) ''
+                    if(array_key_exists("packages-dev", $config))
+                        $allPackages = array_merge($allPackages, $config["packages-dev"]);
+                  ''}
+
+                  $packagesStr = json_encode($allPackages, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
+                  print($packagesStr);
+              }
+          }
+          else
+              print("[]");
+          ?>
+        '';
+      };
+
+      constructBin = writeTextFile {
+        name = "constructbin.php";
+        executable = true;
+        text = ''
+          #! ${php}/bin/php
+          <?php
+          $composerJSONStr = file_get_contents($argv[1]);
+
+          if($composerJSONStr === false)
+          {
+              fwrite(STDERR, "Cannot open composer.json contents\n");
+              exit(1);
+          }
+          else
+          {
+              $config = json_decode($composerJSONStr, true);
+
+              if(array_key_exists("bin-dir", $config))
+                  $binDir = $config["bin-dir"];
+              else
+                  $binDir = "bin";
+
+              if(array_key_exists("bin", $config))
+              {
+                  if(!file_exists("vendor/".$binDir))
+                      mkdir("vendor/".$binDir);
+
+                  foreach($config["bin"] as $bin)
+                      symlink("../../".$bin, "vendor/".$binDir."/".basename($bin));
+              }
+          }
+          ?>
+        '';
+      };
+
+      bundleDependencies = dependencies:
+        stdenv.lib.concatMapStrings (dependencyName:
+          let
+            dependency = dependencies.${dependencyName};
+          in
+          ''
+            ${if dependency.targetDir == "" then ''
+              vendorDir="$(dirname ${dependencyName})"
+              mkdir -p "$vendorDir"
+              ${if symlinkDependencies then
+                ''ln -s "${dependency.src}" "$vendorDir/$(basename "${dependencyName}")"''
+                else
+                ''cp -av "${dependency.src}" "$vendorDir/$(basename "${dependencyName}")"''
+              }
+            '' else ''
+              namespaceDir="${dependencyName}/$(dirname "${dependency.targetDir}")"
+              mkdir -p "$namespaceDir"
+              ${if symlinkDependencies then
+                ''ln -s "${dependency.src}" "$namespaceDir/$(basename "${dependency.targetDir}")"''
+              else
+                ''cp -av "${dependency.src}" "$namespaceDir/$(basename "${dependency.targetDir}")"''
+              }
+            ''}
+          '') (builtins.attrNames dependencies);
+
+      extraArgs = removeAttrs args [ "name" "packages" "devPackages" "buildInputs" ];
+    in
+    stdenv.mkDerivation ({
+      name = "composer-${name}";
+      buildInputs = [ php composer ] ++ buildInputs;
+
+      inherit unpackPhase buildPhase;
+
+      installPhase = ''
+        ${if executable then ''
+          mkdir -p $out/share/php
+          cp -av $src $out/share/php/$name
+          chmod -R u+w $out/share/php/$name
+          cd $out/share/php/$name
+        '' else ''
+          cp -av $src $out
+          chmod -R u+w $out
+          cd $out
+        ''}
+
+        # Execute pre install hook
+        runHook preInstall
+
+        # Remove unwanted files
+        rm -f *.nix
+
+        export HOME=$TMPDIR
+
+        # Remove the provided vendor folder if it exists
+        rm -Rf vendor
+
+        # If there is no composer.lock file, compose a dummy file.
+        # Otherwise, composer attempts to download the package.json file from
+        # the registry which we do not want.
+        if [ ! -f composer.lock ]
+        then
+            cat > composer.lock <<EOF
+        {
+            "packages": []
+        }
+        EOF
+        fi
+
+        # Reconstruct the installed.json file from the lock file
+        mkdir -p vendor/composer
+        ${reconstructInstalled} composer.lock > vendor/composer/installed.json
+
+        # Copy or symlink the provided dependencies
+        cd vendor
+        ${bundleDependencies packages}
+        ${stdenv.lib.optionalString (!noDev) (bundleDependencies devPackages)}
+        cd ..
+
+        # Reconstruct autoload scripts
+        # We use the optimize feature because Nix packages cannot change after they have been built
+        # Using the dynamic loader for a Nix package is useless since there is nothing to dynamically reload.
+        composer dump-autoload --optimize ${stdenv.lib.optionalString noDev "--no-dev"}
+
+        # Run the install step as a validation to confirm that everything works out as expected
+        composer install --optimize-autoloader ${stdenv.lib.optionalString noDev "--no-dev"}
+
+        ${stdenv.lib.optionalString executable ''
+          # Reconstruct the bin/ folder if we deploy an executable project
+          ${constructBin} composer.json
+          ln -s $(pwd)/vendor/bin $out/bin
+        ''}
+
+        ${stdenv.lib.optionalString (!symlinkDependencies) ''
+          # Patch the shebangs if possible
+          if [ -d $(pwd)/vendor/bin ]
+          then
+              # Look for all executables in bin/
+              for i in $(pwd)/vendor/bin/*
+              do
+                  # Look for their location
+                  realFile=$(readlink -f "$i")
+
+                  # Restore write permissions
+                  chmod u+wx "$(dirname "$realFile")"
+                  chmod u+w "$realFile"
+
+                  # Patch shebang
+                  sed -e "s|#!/usr/bin/php|#!${php}/bin/php|" \
+                      -e "s|#!/usr/bin/env php|#!${php}/bin/php|" \
+                      "$realFile" > tmp
+                  mv tmp "$realFile"
+                  chmod u+x "$realFile"
+              done
+          fi
+        ''}
+
+        if [ "$removeComposerArtifacts" = "1" ]
+        then
+            # Remove composer stuff
+            rm -f composer.json composer.lock
+        fi
+
+        # Execute post install hook
+        runHook postInstall
+    '';
+  } // extraArgs);
+in
+{
+  composer = stdenv.lib.makeOverridable composer;
+  buildZipPackage = stdenv.lib.makeOverridable buildZipPackage;
+  buildPackage = stdenv.lib.makeOverridable buildPackage;
+}
diff --git a/virtual/modules/websites/connexionswing/connexionswing.json b/virtual/modules/websites/connexionswing/connexionswing.json
index 146c5f6..44d9f0e 100644
--- a/virtual/modules/websites/connexionswing/connexionswing.json
+++ b/virtual/modules/websites/connexionswing/connexionswing.json
@@ -1,5 +1,5 @@
 {
-  "tag": "0330478-master",
+  "tag": "dfcdce0-master",
   "meta": {
     "name": "connexionswing",
     "url": "gitolite@git.immae.eu:perso/Immae/Projets/Connexionswing",
@@ -7,8 +7,8 @@
   },
   "git": {
     "url": "gitolite@git.immae.eu:perso/Immae/Projets/Connexionswing",
-    "rev": "0330478cd256e6e36f525d3d0a247bad06de319f",
-    "sha256": "1sh97965winvbmpzqhjidhqry9840fa701wvr4vxywccyg4dyr17",
+    "rev": "dfcdce04d11a75f5e850e6dc3a049de4517fc107",
+    "sha256": "0ddirwxs2ify3bni6nv787nb31ckyn2hsrcq8g01b5cfv5havkwq",
     "fetchSubmodules": true
   }
 }
diff --git a/virtual/modules/websites/connexionswing/connexionswing.nix b/virtual/modules/websites/connexionswing/connexionswing.nix
index 66c9b53..ecbbfd5 100644
--- a/virtual/modules/websites/connexionswing/connexionswing.nix
+++ b/virtual/modules/websites/connexionswing/connexionswing.nix
@@ -1,9 +1,8 @@
-{ lib, writeText, fetchedGitPrivate, stdenv, php, git, cacert }:
+{ pkgs, lib, writeText, fetchedGitPrivate, stdenv, composerEnv, fetchurl, fetchgit }:
 let
   connexionswing = { config }: rec {
     environment = config.environment;
     varDir = "/var/lib/connexionswing_${environment}";
-    envName= lib.strings.toUpper environment;
     configRoot =
       writeText "parameters.yml" ''
         # This file is auto-generated during the composer install
@@ -13,6 +12,7 @@ let
             database_name: ${config.mysql.name}
             database_user: ${config.mysql.user}
             database_password: ${config.mysql.password}
+            database_server_version: ${pkgs.mariadb.mysqlVersion}
             mailer_transport: smtp
             mailer_host: mail.immae.eu
             mailer_user: null
@@ -143,28 +143,24 @@ let
       fi
       '';
     };
-    webappDir = stdenv.mkDerivation (fetchedGitPrivate ./connexionswing.json // rec {
-      buildPhase = ''
-        export GIT_SSL_CAINFO=${cacert}/etc/ssl/certs/ca-bundle.crt
-        export SSL_CERT_FILE=${cacert}/etc/ssl/certs/ca-bundle.crt
-
-        ln -sf ../../../../../${varDir}/{medias,uploads} web/images/
-        ln -sf ${configRoot} app/config/parameters.yml
-        sed -i -e "/Incenteev..ParameterHandler..ScriptHandler::buildParameters/d" composer.json
-        ${if environment == "dev" then "php bin/composer install" else ''
-        SYMFONY_ENV=prod php bin/composer install --no-dev
-        ./bin/console assetic:dump --env=prod --no-debug
-        ''}
-        rm -rf var
-        ln -sf ../../../../../${varDir}/var var
-        '';
-      installPhase = ''
-        cp -a . $out
-        '';
-      buildInputs = [
-        php git cacert
-      ];
-    });
+    webappDir = composerEnv.buildPackage (
+      import ./php-packages.nix { inherit composerEnv fetchurl fetchgit; } //
+      fetchedGitPrivate ./connexionswing.json //
+      rec {
+        noDev = (environment == "prod");
+        preInstall = ''
+          export SYMFONY_ENV="${environment}"
+          '';
+        postInstall = ''
+          cd $out
+          ${if environment == "prod" then "php ./bin/console assetic:dump --env=prod --no-debug" else ""}
+          rm app/config/parameters.yml
+          ln -sf ${configRoot} app/config/parameters.yml
+          rm -rf var/{logs,cache}
+          ln -sf ../../../../../../${varDir}/var/{logs,cache} var/
+          ln -sf ../../../../../${varDir}/{medias,uploads} web/images/
+          '';
+      });
     webRoot = "${webappDir}/web";
   };
 in
diff --git a/virtual/modules/websites/connexionswing/php-packages.nix b/virtual/modules/websites/connexionswing/php-packages.nix
new file mode 100644
index 0000000..581b437
--- /dev/null
+++ b/virtual/modules/websites/connexionswing/php-packages.nix
@@ -0,0 +1,597 @@
+# Generated with composer2nix and adapted to return only the list of
+# packages
+{ composerEnv, fetchurl, fetchgit ? null }:
+{
+  packages = {
+    "behat/transliterator" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "behat-transliterator-826ce7e9c2a6664c0d1f381cbb38b1fb80a7ee2c";
+        src = fetchurl {
+          url = https://api.github.com/repos/Behat/Transliterator/zipball/826ce7e9c2a6664c0d1f381cbb38b1fb80a7ee2c;
+          sha256 = "1mgc9azx79fkrxahji3xwbgqhlcnvh3xk6llqdvhjb7vgzj4bqq0";
+        };
+      };
+    };
+    "components/bootstrap" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "components-bootstrap-670295b9d6170a79acc8586a15e729bf24128275";
+        src = fetchurl {
+          url = https://api.github.com/repos/components/bootstrap/zipball/670295b9d6170a79acc8586a15e729bf24128275;
+          sha256 = "0lcq9cjnywvf1nd8k99flgcf2dmfgyyxzsvcpip8xiibmh5x04p9";
+        };
+      };
+    };
+    "components/jquery" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "components-jquery-5dd7297d7603e11e53bdcca2a71074d92de37b8f";
+        src = fetchurl {
+          url = https://api.github.com/repos/components/jquery/zipball/5dd7297d7603e11e53bdcca2a71074d92de37b8f;
+          sha256 = "1maplw3yic1pzbwwl2amjlivipsi1w0r8bq7i0mmjaqf7wij506i";
+        };
+      };
+    };
+    "components/jqueryui" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "components-jqueryui-44ecf3794cc56b65954cc19737234a3119d036cc";
+        src = fetchurl {
+          url = https://api.github.com/repos/components/jqueryui/zipball/44ecf3794cc56b65954cc19737234a3119d036cc;
+          sha256 = "1y0ppxk44jkxbh38i05sg0zcgk927s5wy6sjngwr5qifibqbcbhk";
+        };
+      };
+    };
+    "composer/ca-bundle" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "composer-ca-bundle-d2c0a83b7533d6912e8d516756ebd34f893e9169";
+        src = fetchurl {
+          url = https://api.github.com/repos/composer/ca-bundle/zipball/d2c0a83b7533d6912e8d516756ebd34f893e9169;
+          sha256 = "1as399dzrfbjnifb87j1g5cvrbacyddbay8fv59i56xx1bdq7lwc";
+        };
+      };
+    };
+    "doctrine/annotations" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-annotations-54cacc9b81758b14e3ce750f205a393d52339e97";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/annotations/zipball/54cacc9b81758b14e3ce750f205a393d52339e97;
+          sha256 = "1wi5skihqbcinlkrkr15nmmvqkn2gydqib8xl232abdvfq1q0w24";
+        };
+      };
+    };
+    "doctrine/cache" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-cache-eb152c5100571c7a45470ff2a35095ab3f3b900b";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/cache/zipball/eb152c5100571c7a45470ff2a35095ab3f3b900b;
+          sha256 = "0iq0qqv1smlqz63jhj2fpjy54c5dwfwxyf5c89iky6i0yb81gwyd";
+        };
+      };
+    };
+    "doctrine/collections" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-collections-1a4fb7e902202c33cce8c55989b945612943c2ba";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/collections/zipball/1a4fb7e902202c33cce8c55989b945612943c2ba;
+          sha256 = "0fkiwkx7zbmfnh4p21za807lh1n7g1f4lpgy8y59g4r5krvpl90w";
+        };
+      };
+    };
+    "doctrine/common" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-common-4acb8f89626baafede6ee5475bc5844096eba8a9";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/common/zipball/4acb8f89626baafede6ee5475bc5844096eba8a9;
+          sha256 = "0qjqframvg81z3lwqaj5haanqj9v3dfbj170pxmwlgmrfsbr16zh";
+        };
+      };
+    };
+    "doctrine/dbal" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-dbal-729340d8d1eec8f01bff708e12e449a3415af873";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/dbal/zipball/729340d8d1eec8f01bff708e12e449a3415af873;
+          sha256 = "184p8h0n6mcm0y6vfyh0z6qcxmmf8h5z4vdvxd4ycmx0531lnhj3";
+        };
+      };
+    };
+    "doctrine/doctrine-bundle" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-doctrine-bundle-703fad32e4c8cbe609caf45a71a1d4266c830f0f";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/DoctrineBundle/zipball/703fad32e4c8cbe609caf45a71a1d4266c830f0f;
+          sha256 = "0v2f63j22i3im8jbmv7spi8j42fay6dnxjvbxnbwj190ajxl6sdp";
+        };
+      };
+    };
+    "doctrine/doctrine-cache-bundle" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-doctrine-cache-bundle-4c8e363f96427924e7e519c5b5119b4f54512697";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/DoctrineCacheBundle/zipball/4c8e363f96427924e7e519c5b5119b4f54512697;
+          sha256 = "1irm04iijzq6gziknwyb10a9s0xbzh04xs5i2d6aac86cc29187c";
+        };
+      };
+    };
+    "doctrine/doctrine-migrations-bundle" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-doctrine-migrations-bundle-a9e506369f931351a2a6dd2aef588a822802b1b7";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/DoctrineMigrationsBundle/zipball/a9e506369f931351a2a6dd2aef588a822802b1b7;
+          sha256 = "1jgrqsgdwcm2g8rml76qr6b19s1vxfbnrp43qr6n1g9kbx7y9wg9";
+        };
+      };
+    };
+    "doctrine/inflector" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-inflector-90b2128806bfde671b6952ab8bea493942c1fdae";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/inflector/zipball/90b2128806bfde671b6952ab8bea493942c1fdae;
+          sha256 = "01vmclj3k7xil51jg329fznshh8d07pvm4mr89lvfn1d7fyrq6qw";
+        };
+      };
+    };
+    "doctrine/instantiator" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-instantiator-8e884e78f9f0eb1329e445619e04456e64d8051d";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d;
+          sha256 = "15dcja45rnwya431pcm826l68k1g8f1fabl7rih69alcdyvdlln4";
+        };
+      };
+    };
+    "doctrine/lexer" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-lexer-83893c552fd2045dd78aef794c31e694c37c0b8c";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/lexer/zipball/83893c552fd2045dd78aef794c31e694c37c0b8c;
+          sha256 = "0cyh3vwcl163cx1vrcwmhlh5jg9h47xwiqgzc6rwscxw0ppd1v74";
+        };
+      };
+    };
+    "doctrine/migrations" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
+        name = "doctrine-migrations-c81147c0f2938a6566594455367e095150547f72";
+        src = fetchurl {
+          url = https://api.github.com/repos/doctrine/migrations/zipball/c81147c0f2938a6566594455367e095150547f72;
+          sha256 = "0x8hvxbm3f40sx25nq8zlh1kr936pagghzp89l0gdy5bar7cdzi5";
+        };
+      };
+    };
+    "doctrine/orm" = {
+      targetDir = "";
+      src = composerEnv.buildZipPackage {
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+        name = "symfony-phpunit-bridge-7470518370113785f67a7fd8e6e1667661e88805";
+        src = fetchurl {
+          url = https://api.github.com/repos/symfony/phpunit-bridge/zipball/7470518370113785f67a7fd8e6e1667661e88805;
+          sha256 = "0jd28ag0wks9sv62rkwsbx68csvdl5gabbz2h01hkqpa23gdkhs9";
+        };
+      };
+    };
+  };
+}
diff --git a/virtual/modules/websites/default.nix b/virtual/modules/websites/default.nix
index 59b9e47..06f51ff 100644
--- a/virtual/modules/websites/default.nix
+++ b/virtual/modules/websites/default.nix
@@ -166,6 +166,9 @@ in
         #   '';
       });
       phpPackages = oldpkgs.php72Packages.override { inherit php; };
+      composerEnv = import ./commons/composer-env.nix {
+        inherit (pkgs) stdenv writeTextFile fetchurl php unzip;
+      };
     };
 
     services.myWebsites.tools.databases.enable = true;
-- 
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