halftone 0 -> 1
attrpath: halftone
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] 
Going to be running update for following packages:
 - halftone-0.6.0

Press Enter key to continue...
Running update for:
 - halftone-0.6.0: UPDATING ...
 - halftone-0.6.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/graphics/halftone/default.nix b/pkgs/applications/graphics/halftone/default.nix
index 81e70e401fc8..c29bcb8ccd1d 100644
--- a/pkgs/applications/graphics/halftone/default.nix
+++ b/pkgs/applications/graphics/halftone/default.nix
@@ -15,13 +15,13 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "halftone";
-  version = "0.6.0";
+  version = "0.6.1";
 
   src = fetchFromGitHub {
     owner = "tfuxu";
     repo = pname;
-    rev = version;
-    hash = "sha256-7fa6afrGt8SXli2KHzzRIqTBBaN3Hk0coYwxe66jLsg=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-o55eimlDy86mbwveARxVXauMQEneAchVi2RNaj6FYxs=";
   };
 
   format = "other";

No auto update branch exists
Received ExitFailure 1 when running
Raw command: /nix/store/03a4f9rij2z4mmwprlbip3mrnnfaw0yd-nix-2.18.2/bin/nix-build --option sandbox true --arg config "{ allowBroken = true; allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A halftone
nix build failed.
source root is source
setting SOURCE_DATE_EPOCH to timestamp 315619200 of file source/requirements.txt
@nix { "action": "setPhase", "phase": "patchPhase" }
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "configurePhase" }
Running phase: configurePhase
mesonConfigurePhase flags: --prefix=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1 --libdir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/lib --libexecdir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/libexec --bindir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/bin --sbindir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/sbin --includedir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/include --mandir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/share/man --infodir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/share/info --localedir=/nix/store/q9fwsj3w2c1925l1hbkihxdpa5cvaspz-halftone-0.6.1/share/locale -Dauto_features=enabled -Dwrap_mode=nodownload --buildtype=plain
The Meson build system
Version: 1.4.0
Source dir: /build/source
Build dir: /build/source/build
Build type: native build
Project name: halftone
Project version: 0.6.1
Host machine cpu family: x86_64
Host machine cpu: x86_64
Program git found: NO
Found pkg-config: YES (/nix/store/39nq7p6jcm9m3xqqm99skwmgsqw4pbbg-pkg-config-wrapper-0.29.2/bin/pkg-config) 0.29.2
Run-time dependency glib-2.0 found: YES 2.78.4
Run-time dependency gtk4 found: YES 4.12.5
Dependency libadwaita-1 found: NO found 1.4.4 but need: '>= 1.5.0'
Did not find CMake 'cmake'
Found CMake: NO
Run-time dependency libadwaita-1 found: NO 

meson.build:49:0: ERROR: Dependency lookup for libadwaita-1 with method 'pkgconfig' failed: Invalid version, need 'libadwaita-1' ['>= 1.5.0'] found '1.4.4'.

A full log can be found at /build/source/build/meson-logs/meson-log.txt