string copy elision in StructuredAttrs::parse

.mergify.yml

@@ -7,6 +7,7 @@ queue_rules:
       - check-success=installer test on macos
       - check-success=installer test on ubuntu
       - check-success=vm_tests
+      - check-success=buildbot/nix-build
     batch_size: 5
 
 pull_request_rules:

doc/manual/remove_before_wrapper.py

@@ -1,33 +1,31 @@
 #!/usr/bin/env python3
 
-import os
-import subprocess
-import sys
+import argparse
 import shutil
-import typing as t
+import subprocess
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
 
-def main():
-    if len(sys.argv) < 4 or '--' not in sys.argv:
-        print("Usage: remove-before-wrapper <output> -- <nix command...>")
-        sys.exit(1)
+def main() -> None:
+    arg_parser = argparse.ArgumentParser(description="Remove before wrapper")
+    arg_parser.add_argument("output", type=Path, help="Output file")
+    arg_parser.add_argument("nix_command", nargs=argparse.REMAINDER, help="Nix command")
+    args = arg_parser.parse_args()
 
-    # Extract the parts
-    output: str = sys.argv[1]
-    nix_command_idx: int = sys.argv.index('--') + 1
-    nix_command: t.List[str] = sys.argv[nix_command_idx:]
+    output = Path(args.output)
+    with TemporaryDirectory(prefix=str(output.parent.resolve() / "tmp")) as temp:
+        output_temp = Path(temp) / "output"
 
-    output_temp: str = output + '.tmp'
+        # Remove the output output in case it exist
+        shutil.rmtree(output, ignore_errors=True)
 
-    # Remove the output and temp output in case they exist
-    shutil.rmtree(output, ignore_errors=True)
-    shutil.rmtree(output_temp, ignore_errors=True)
+        # Execute nix command with `--write-to` tempary output
+        subprocess.run([*args.nix_command, "--write-to", output_temp], check=True)
 
-    # Execute nix command with `--write-to` tempary output
-    nix_command_write_to = nix_command + ['--write-to', output_temp]
-    subprocess.run(nix_command_write_to, check=True)
+        # Move the temporary output to the intended location
+        Path(output_temp).rename(output)
 
-    # Move the temporary output to the intended location
-    os.rename(output_temp, output)
 
 if __name__ == "__main__":
     main()

flake.nix

@@ -1,7 +1,7 @@
 {
   description = "The purely functional package manager";
 
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.nixpkgs.url = "git+https://github.com/Mic92/nixpkgs?shallow=1";
 
   inputs.nixpkgs-regression.url = "github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2";
   inputs.nixpkgs-23-11.url = "github:NixOS/nixpkgs/a62e6edd6d5e1fa0329b8653c801147986f8d446";
@@ -34,7 +34,9 @@
 
       officialRelease = false;
 
-      linux32BitSystems = [ "i686-linux" ];
+      linux32BitSystems = [
+        #"i686-linux"
+      ];
       linux64BitSystems = [
         "x86_64-linux"
         "aarch64-linux"