Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: fastmail-desktop 0 -> 1
attrpath: fastmail-desktop
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/y83by1gmf6sy4fr15rxs2azsnkm32sj4-packages.json.drv
building '/nix/store/y83by1gmf6sy4fr15rxs2azsnkm32sj4-packages.json.drv'...

Going to be running update for following packages:
 - fastmail-desktop-1.0.9

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - fastmail-desktop-1.0.9: UPDATING ...
 - fastmail-desktop-1.0.9: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fa/fastmail-desktop/sources.nix b/pkgs/by-name/fa/fastmail-desktop/sources.nix
index 239dae400e47..4998e970733b 100644
--- a/pkgs/by-name/fa/fastmail-desktop/sources.nix
+++ b/pkgs/by-name/fa/fastmail-desktop/sources.nix
@@ -1,19 +1,19 @@
 # Generated by ./update.sh - do not update manually!
-# Last updated: 2026-02-06
+# Last updated: 2026-03-12
 { fetchurl, fetchzip }:
 {
   aarch64-darwin = {
-    version = "1.0.9";
+    version = "1.2.0";
     src = fetchurl {
-      url = "https://dl.fastmailcdn.com/desktop/production/mac/arm64/Fastmail-1.0.9-arm64-mac.zip";
-      hash = "sha512-f0nwcqCWhLheYhHKnhXaTkYqXAOTJIGvrvFsavzoxBWg5C8k/+d74uMh3hSTcvCsR40FN67PYxJhu8Qtt69LVw==";
+      url = "https://dl.fastmailcdn.com/desktop/production/mac/arm64/Fastmail-1.2.0-arm64-mac.zip";
+      hash = "sha512-Go+RfybZohQQTPhBEFvpPhJGGHWvBE6Kin0Qu5bs6topnPBKxtTTy6ClNTNe+XmM74VO7hpc9bELUIBPNF2tyA==";
     };
   };
   x86_64-linux = {
-    version = "1.0.9";
+    version = "1.2.0";
     src = fetchurl {
-      url = "https://dl.fastmailcdn.com/desktop/production/linux/x64/Fastmail-1.0.9.AppImage";
-      hash = "sha512-/UqSi8tl9qLInzSCP3nkbPbUBX5J1tXg7hH7AbnI+I8h+3sxDsU7+I5UwiuSmWQ66P5vRQ8XHf9xKyi01JDKkQ==";
+      url = "https://dl.fastmailcdn.com/desktop/production/linux/x64/com.fastmail.Fastmail-1.2.0.AppImage";
+      hash = "sha512-xdDTUNSaWtMPg7HwBAUmdNOuBwy9gyYoFKWiQM1SbGTBEf5MlxOWNwVSpFZLVRmwlc/vfmid80vsy7pmELcM3g==";
     };
   };
 }

An auto update branch exists with message `fastmail-desktop: 1.0.7 -> 1.0.8`. New version is 1.2.0.
The auto update branch does not match or exceed the new version.
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A fastmail-desktop
nix build failed.
got build log for 'fastmail-desktop' from 'daemon'
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: configurePhase
@nix { "action": "setPhase", "phase": "configurePhase" }
no configure script, doing nothing
Running phase: glibPreInstallPhase
@nix { "action": "setPhase", "phase": "glibPreInstallPhase" }
Running phase: installPhase
@nix { "action": "setPhase", "phase": "installPhase" }
install: cannot stat '/nix/store/g9p87x9gp5ah0g4377pc7f0dxr362scq-fastmail-desktop-1.2.0-extracted/production.desktop': No such file or directory