fop 2.8 -> 2.9 https://repology.org/project/fop/versions
attrpath: fop
Checking auto update branch...
No auto update branch exists
[version] 
[version] updated version and sha256
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] skipping because derivation has no updateScript
Diff after rewrites:
diff --git a/pkgs/tools/typesetting/fop/default.nix b/pkgs/tools/typesetting/fop/default.nix
index 254f29d27a78..0a9e709a253d 100644
--- a/pkgs/tools/typesetting/fop/default.nix
+++ b/pkgs/tools/typesetting/fop/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "fop";
-  version = "2.8";
+  version = "2.9";
 
   src = fetchurl {
     url = "mirror://apache/xmlgraphics/fop/source/${pname}-${version}-src.tar.gz";
-    sha256 = "sha256-b7Av17wu6Ar/npKOiwYqzlvBFSIuXTpqTacM1sxtBvc=";
+    sha256 = "sha256-YQmQCFokFG3wR1dDIRemuO8NXbNLRWtD0UKz+k956q0=";
   };
 
   buildInputs = [ ant jdk ];

Received ExitFailure 1 when running
Raw command: /nix/store/dsqs4fpljrws4ikzfriyixcp0n7kxrmk-nix-2.18.1/bin/nix-build --option sandbox true --arg config "{ allowBroken = true; allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A fop
nix build failed.
got build log for 'fop' from 'daemon'
@nix { "action": "setPhase", "phase": "unpackPhase" }
Running phase: unpackPhase
unpacking source archive /nix/store/zhgjgm6jdvaczkygb7al3g750bz63wj5-fop-2.9-src.tar.gz

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
do not know how to unpack source archive /nix/store/zhgjgm6jdvaczkygb7al3g750bz63wj5-fop-2.9-src.tar.gz