codesearch: switch to fetchFromGitHub

pkgs/tools/text/codesearch/default.nix

@@ -1,24 +1,22 @@
-# This file was generated by go2nix.
+{ lib, buildGoPackage, fetchFromGitHub }:
-{ lib, buildGoPackage, fetchgit }:
 
 buildGoPackage rec {
   pname = "codesearch";
-  version = "20150717-${lib.strings.substring 0 7 rev}";
+  version = "1.0.0";
-  rev = "a45d81b686e85d01f2838439deaf72126ccd5a96";
 
   goPackagePath = "github.com/google/codesearch";
 
-  src = fetchgit {
+  src = fetchFromGitHub {
-    inherit rev;
+    owner = "google";
-    url = "https://github.com/google/codesearch";
+    repo = "codesearch";
-    sha256 = "12bv3yz0l3bmsxbasfgv7scm9j719ch6pmlspv4bd4ix7wjpyhny";
+    rev = "v${version}";
+    sha256 = "sha256-3kJ/JT89krbIvprWayBL4chUmT77Oa1W13UNCr4fe4k=";
   };
 
-  meta = {
+  meta = with lib; {
     description = "Fast, indexed regexp search over large file trees";
     homepage = "https://github.com/google/codesearch";
-    license = [ lib.licenses.bsd3 ];
+    license = [ licenses.bsd3 ];
-    maintainers = [ lib.maintainers.bennofs ];
+    maintainers = with maintainers; [ bennofs ];
-    platforms = lib.platforms.unix;
   };
 }