stenc 0 -> 1
attrpath: stenc
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
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/nddl3r8xyc5xvsjndpxr3i3d0ak13cjf-packages.json.drv
building '/nix/store/nddl3r8xyc5xvsjndpxr3i3d0ak13cjf-packages.json.drv'...

Going to be running update for following packages:
 - stenc-1.1.1

Press Enter key to continue...
Running update for:
 - stenc-1.1.1: UPDATING ...
 - stenc-1.1.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/tools/backup/stenc/default.nix b/pkgs/tools/backup/stenc/default.nix
index fb8d71c73119..035bc7694ed9 100644
--- a/pkgs/tools/backup/stenc/default.nix
+++ b/pkgs/tools/backup/stenc/default.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation rec {
   pname = "stenc";
-  version = "1.1.1";
+  version = "2.0.0_rc";
 
   src = fetchFromGitHub {
     owner = "scsitape";
     repo = "stenc";
     rev = version;
-    sha256 = "GcCRVkv+1mREq3MhMRn5fICthwI4WRQJSP6InuzxP1Q=";
+    sha256 = "oecFM/8q3m3dQpEn5LmqNhAoh/WR1B00NrPXSyJBRGs=";
   };
 
   postPatch = ''

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 stenc
nix build failed.
got build log for 'stenc' from 'daemon'
@nix { "action": "setPhase", "phase": "unpackPhase" }
Running phase: unpackPhase
unpacking source archive /nix/store/fxd36f6vrx75w06qvrris0zfa4z9w1nh-source
source root is source
@nix { "action": "setPhase", "phase": "patchPhase" }
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "autoreconfPhase" }
Running phase: autoreconfPhase
autoreconf: export WARNINGS=
autoreconf: Entering directory '.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force 
autoreconf: configure.ac: tracing
autoreconf: configure.ac: not using Libtool
autoreconf: configure.ac: not using Intltool
autoreconf: configure.ac: not using Gtkdoc
autoreconf: running: /nix/store/6705x79ghijbxwy22csik0y1bmdy71sn-autoconf-2.72/bin/autoconf --force
configure.ac:61: error: possibly undefined macro: AC_MSG_NOTICE
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure.ac:62: error: possibly undefined macro: AC_SUBST
autoreconf: error: /nix/store/6705x79ghijbxwy22csik0y1bmdy71sn-autoconf-2.72/bin/autoconf failed with exit status: 1