treewide: Per RFC45, remove all unquoted URLs

pkgs/servers/search/elasticsearch/plugins.nix

@@ -41,7 +41,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with stdenv.lib; {
-      homepage = https://github.com/elastic/elasticsearch/tree/master/plugins/analysis-icu;
+      homepage = "https://github.com/elastic/elasticsearch/tree/master/plugins/analysis-icu";
       description = "The ICU Analysis plugin integrates the Lucene ICU module into elasticsearch";
       license = licenses.asl20;
     };
@@ -58,7 +58,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with lib; {
-      homepage = https://github.com/vhyza/elasticsearch-analysis-lemmagen;
+      homepage = "https://github.com/vhyza/elasticsearch-analysis-lemmagen";
       description = "LemmaGen Analysis plugin provides jLemmaGen lemmatizer as Elasticsearch token filter";
       license = licenses.asl20;
     };
@@ -75,7 +75,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with lib; {
-      homepage = https://github.com/elastic/elasticsearch/tree/master/plugins/discovery-ec2;
+      homepage = "https://github.com/elastic/elasticsearch/tree/master/plugins/discovery-ec2";
       description = "The EC2 discovery plugin uses the AWS API for unicast discovery.";
       license = licenses.asl20;
     };
@@ -92,7 +92,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with lib; {
-      homepage = https://github.com/elastic/elasticsearch/tree/master/plugins/ingest-attachment;
+      homepage = "https://github.com/elastic/elasticsearch/tree/master/plugins/ingest-attachment";
       description = "Ingest processor that uses Apache Tika to extract contents";
       license = licenses.asl20;
     };
@@ -109,7 +109,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with lib; {
-      homepage = https://github.com/elastic/elasticsearch/tree/master/plugins/repository-s3;
+      homepage = "https://github.com/elastic/elasticsearch/tree/master/plugins/repository-s3";
       description = "The S3 repository plugin adds support for using AWS S3 as a repository for Snapshot/Restore.";
       license = licenses.asl20;
     };
@@ -126,7 +126,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with lib; {
-      homepage = https://github.com/elastic/elasticsearch/tree/master/plugins/repository-gcs;
+      homepage = "https://github.com/elastic/elasticsearch/tree/master/plugins/repository-gcs";
       description = "The GCS repository plugin adds support for using Google Cloud Storage as a repository for Snapshot/Restore.";
       license = licenses.asl20;
     };
@@ -149,7 +149,7 @@ in {
         else throw "unsupported version ${version} for plugin ${pluginName}";
     };
     meta = with lib; {
-      homepage = https://search-guard.com;
+      homepage = "https://search-guard.com";
       description = "Elasticsearch plugin that offers encryption, authentication, and authorisation. ";
       license = licenses.asl20;
     };

pkgs/servers/search/groonga/default.nix

@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   installCheckPhase = "$out/bin/groonga --version";
 
   meta = with stdenv.lib; {
-    homepage    = https://groonga.org/;
+    homepage    = "https://groonga.org/";
     description = "An open-source fulltext search engine and column store";
     license     = licenses.lgpl21;
     maintainers = [ maintainers.ericsagnes ];

pkgs/servers/search/sphinxsearch/default.nix

@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An open source full text search server";
-    homepage    = http://sphinxsearch.com;
+    homepage    = "http://sphinxsearch.com";
     license     = stdenv.lib.licenses.gpl2;
     platforms   = stdenv.lib.platforms.all;
     maintainers = with stdenv.lib.maintainers; [ ederoyd46 valodim ];