discord-canary 0 -> 1
attrpath: discord-canary
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/k5jzw0m0p8nyavxrbfqbdk7629h21s6m-discord-update-script.drv
  /nix/store/6j95iin592c5550zay1xnncfx869vl8l-packages.json.drv
building '/nix/store/k5jzw0m0p8nyavxrbfqbdk7629h21s6m-discord-update-script.drv'...
building '/nix/store/6j95iin592c5550zay1xnncfx869vl8l-packages.json.drv'...

Going to be running update for following packages:
 - discord-canary-0.0.300

Press Enter key to continue...
Running update for:
 - discord-canary-0.0.300: UPDATING ...
 - discord-canary-0.0.300: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/networking/instant-messengers/discord/default.nix b/pkgs/applications/networking/instant-messengers/discord/default.nix
index 2537ad916385..a8842e49d3ca 100644
--- a/pkgs/applications/networking/instant-messengers/discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/discord/default.nix
@@ -4,7 +4,7 @@ let
     if stdenv.isLinux then {
       stable = "0.0.45";
       ptb = "0.0.74";
-      canary = "0.0.300";
+      canary = "0.0.309";
       development = "0.0.14";
     } else {
       stable = "0.0.296";
@@ -25,7 +25,7 @@ let
       };
       canary = fetchurl {
         url = "https://dl-canary.discordapp.net/apps/linux/${version}/discord-canary-${version}.tar.gz";
-        hash = "sha256-GmPnc13LBBsMgTiUkOstL1u0l29NGUUQBQKTlXcJWsE=";
+        hash = "sha256-M4I51BNom0n8L55FHulm1pWssLf5mPCamas50wdIf5g=";
       };
       development = fetchurl {
         url = "https://dl-development.discordapp.net/apps/linux/${version}/discord-development-${version}.tar.gz";

An auto update branch exists with message `discord-canary: 0.0.300 -> 0.0.309`. New version is 0.0.309.
An auto update branch exists with an equal or greater version