nixos/xrdp: use --replace-fail with substituteInPlace

[SuperSandro2000]

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 25.05 Release Notes (or backporting 24.11 and 25.05 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

---

Add a 👍 reaction to pull requests you find important.

[spiage]

@SuperSandro2000 Hi!
I have this issue now

note: keeping build directory '/tmp/nix-build-xrdp.conf.drv-0/build'
error: builder for '/nix/store/bklkiz5d53y95qby0r5pqd7srh2dd5zh-xrdp.conf.drv' failed with exit code 1;
       last 1 log lines:
       > substituteStream() in derivation xrdp.conf: ERROR: pattern EnableSyslog=1 doesn't match anything in file '/nix/store/ly8sl0fwhg2pc87f12k1wg6fqvpi28pi-xrdp.conf/sesman.ini'
       For full logs, run:
         nix log /nix/store/bklkiz5d53y95qby0r5pqd7srh2dd5zh-xrdp.conf.drv
error: 1 dependencies of derivation '/nix/store/m92j2n5y4g1hbpd4qafrfyv4z5pn13rs-unit-xrdp-sesman.service.drv' failed to build
error: 1 dependencies of derivation '/nix/store/sm21qfxbyj0mdys57ddgxjmx4jkf02kq-unit-xrdp.service.drv' failed to build

[drupol]

Damn, my bad. Going to fix this quickly now.

[spiage]

root in /etc/nixos
❯ cat /nix/store/ly8sl0fwhg2pc87f12k1wg6fqvpi28pi-xrdp.conf/sesman.ini

root in /etc/nixos
❯

[SuperSandro2000]

Damn, I did a mistake in my testing. Can you take a look at #392512 ? I tested it locally and made sure I didn't do the same mistake again :P

[spiage]

There is no issues on my system
#392512 (comment)