add php-imagick

fixes #22

nix/image/php-ext.nix

@@ -35,6 +35,7 @@ in
         gmp
         apcu
         ffi
+        imagick
       ]
       ++ optionals (!debug) [
         smbclient # this breaks the build for no apparent reason

nix/image/php.nix

@@ -2,27 +2,23 @@
   lib,
   php,
   debug ? false,
-}: let
-  inherit (builtins) compareVersions;
-  inherit (lib) optionals;
-  withBlackfire = !debug && ((compareVersions php.version "8.1.0") == 1);
-in
-  php.buildEnv {
-    extensions = import ./php-ext.nix {inherit lib php debug;};
-    extraConfig = ''
-      xdebug.mode=debug,trace,profile
-      xdebug.start_with_request=trigger
-      xdebug.discover_client_host=false
-      xdebug.client_host=hazehost
-      xdebug.log_level=0
-      xdebug.output_dir=/tmp/xdebug
+}:
+php.buildEnv {
+  extensions = import ./php-ext.nix {inherit lib php debug;};
+  extraConfig = ''
+    xdebug.mode=debug,trace,profile
+    xdebug.start_with_request=trigger
+    xdebug.discover_client_host=false
+    xdebug.client_host=hazehost
+    xdebug.log_level=0
+    xdebug.output_dir=/tmp/xdebug
 
-      memory_limit=512M
+    memory_limit=512M
 
-      post_max_size 10G
-      upload_max_filesize 10G
+    post_max_size 10G
+    upload_max_filesize 10G
 
-      apc.enable_cli=1
-      opcache.enable_cli=1
-    '';
-  }
+    apc.enable_cli=1
+    opcache.enable_cli=1
+  '';
+}