spago 0 -> 1
attrpath: spago
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/f4wcbvaf85ri8f869fv7323wzhv6ih48-packages.json.drv
building '/nix/store/f4wcbvaf85ri8f869fv7323wzhv6ih48-packages.json.drv'...

Going to be running update for following packages:
 - spago-0.20.9

Press Enter key to continue...
Running update for:
 - spago-0.20.9: UPDATING ...
 - spago-0.20.9: DONE.

Packages updated!


[quotedUrls]
[quotedUrls] nothing found to replace
Diff after rewrites:
diff --git a/pkgs/development/tools/purescript/spago/spago.nix b/pkgs/development/tools/purescript/spago/spago.nix
index e3636e16f58c..d0455081111f 100644
--- a/pkgs/development/tools/purescript/spago/spago.nix
+++ b/pkgs/development/tools/purescript/spago/spago.nix
@@ -9,16 +9,16 @@
 , optparse-applicative, prettyprinter, process, QuickCheck, retry
 , rio, rio-orphans, safe, semver-range, stm, stringsearch, tar
 , template-haskell, temporary, text, time, transformers, turtle
-, unliftio, unordered-containers, utf8-string, versions, with-utf8
-, zlib
+, unliftio, unordered-containers, uri-encode, utf8-string, versions
+, with-utf8, yaml, zlib
 }:
 mkDerivation {
   pname = "spago";
-  version = "0.20.9";
+  version = "0.21.0";
   src = fetchgit {
     url = "https://github.com/purescript/spago.git";
-    sha256 = "00vdqg7vaw3d9zwh47886lw9fhhlwjagzhaj3aqz4xm92pjavhih";
-    rev = "d16d4914200783fbd820ba89dbdf67270454faf5";
+    sha256 = "1v5y15nhw6smnir0y7y854pa70iv8asxsqph2y8rz1c9lkz5d41g";
+    rev = "c354f4a461f65fcb83aaa843830ea1589f6c7179";
     fetchSubmodules = true;
   };
   isLibrary = true;
@@ -31,7 +31,7 @@ mkDerivation {
     optparse-applicative prettyprinter process retry rio rio-orphans
     safe semver-range stm stringsearch tar template-haskell temporary
     text time transformers turtle unliftio unordered-containers
-    utf8-string versions with-utf8 zlib
+    uri-encode utf8-string versions with-utf8 yaml zlib
   ];
   executableHaskellDepends = [
     ansi-terminal base text turtle with-utf8
@@ -43,4 +43,5 @@ mkDerivation {
   testToolDepends = [ hspec-discover ];
   homepage = "https://github.com/purescript/spago#readme";
   license = lib.licenses.bsd3;
+  mainProgram = "spago";
 }

No auto update branch exists
Received ExitFailure 1 when running
Raw command: /nix/store/3nqhcyc7vid1npgcd0m7arg5sn325nhz-nix-2.12.0/bin/nix-build --option sandbox true --arg config "{ allowBroken = true; allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A spago
nix build failed.
    |                              ^^^^^^^^^^^^^^^^^^^
[20 of 31] Compiling Spago.Config     ( src/Spago/Config.hs, dist/build/Spago/Config.o, dist/build/Spago/Config.dyn_o )
[21 of 31] Compiling Spago.Packages   ( src/Spago/Packages.hs, dist/build/Spago/Packages.o, dist/build/Spago/Packages.dyn_o )
[22 of 31] Compiling Spago.RunEnv     ( src/Spago/RunEnv.hs, dist/build/Spago/RunEnv.o, dist/build/Spago/RunEnv.dyn_o )
[23 of 31] Compiling Spago.Command.Verify ( src/Spago/Command/Verify.hs, dist/build/Spago/Command/Verify.o, dist/build/Spago/Command/Verify.dyn_o )
[24 of 31] Compiling Spago.Command.Path ( src/Spago/Command/Path.hs, dist/build/Spago/Command/Path.o, dist/build/Spago/Command/Path.dyn_o )
[25 of 31] Compiling Spago.Command.Ls ( src/Spago/Command/Ls.hs, dist/build/Spago/Command/Ls.o, dist/build/Spago/Command/Ls.dyn_o )
[26 of 31] Compiling Spago.Command.Init ( src/Spago/Command/Init.hs, dist/build/Spago/Command/Init.o, dist/build/Spago/Command/Init.dyn_o )
[27 of 31] Compiling Spago.Bower      ( src/Spago/Bower.hs, dist/build/Spago/Bower.o, dist/build/Spago/Bower.dyn_o )

src/Spago/Bower.hs:12:1: error:
    Could not find module ‘Data.Aeson.KeyMap’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
12 | import qualified Data.Aeson.KeyMap          as KeyMap
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[30 of 31] Compiling Spago.Watch      ( src/Spago/Watch.hs, dist/build/Spago/Watch.o, dist/build/Spago/Watch.dyn_o )

src/Spago/Watch.hs:33:38: error:
    ‘Watch.confDebounce’ is not a (visible) constructor field name
   |
33 |   let config = Watch.defaultConfig { Watch.confDebounce = Watch.NoDebounce }
   |                                      ^^^^^^^^^^^^^^^^^^

src/Spago/Watch.hs:33:59: error:
    Not in scope: data constructor ‘Watch.NoDebounce’
    Module ‘System.FSNotify’ does not export ‘NoDebounce’.
   |
33 |   let config = Watch.defaultConfig { Watch.confDebounce = Watch.NoDebounce }
   |                                                           ^^^^^^^^^^^^^^^^