improve setup command by --makeflags-jobs argument and fix repository sign on creation

src/ahriman/application/ahriman.py

@@ -632,6 +632,8 @@ def _set_repo_setup_parser(root: SubParserAction) -> argparse.ArgumentParser:
     parser.add_argument("--build-command", help="build command prefix", default="ahriman")
     parser.add_argument("--from-configuration", help="path to default devtools pacman configuration",
                         type=Path, default=Path("/usr/share/devtools/pacman-extra.conf"))
+    parser.add_argument("--makeflags-jobs", help="append MAKEFLAGS variable with parallelism set to number of cores",
+                        action=argparse.BooleanOptionalAction, default=True)
     parser.add_argument("--multilib", help="add or do not multilib repository",
                         action=argparse.BooleanOptionalAction, default=True)
     parser.add_argument("--packager", help="packager name and email", required=True)

src/ahriman/application/handlers/setup.py

@@ -64,7 +64,7 @@ class Setup(Handler):
 
         application = Application(architecture, configuration, report=report, unsafe=unsafe)
 
-        Setup.configuration_create_makepkg(args.packager, application.repository.paths)
+        Setup.configuration_create_makepkg(args.packager, args.makeflags_jobs, application.repository.paths)
         Setup.executable_create(application.repository.paths, args.build_command, architecture)
         Setup.configuration_create_devtools(args.build_command, architecture, args.from_configuration,
                                             args.multilib, args.repository, application.repository.paths)
@@ -170,17 +170,23 @@ class Setup(Handler):
             configuration.write(devtools_configuration)
 
     @staticmethod
-    def configuration_create_makepkg(packager: str, paths: RepositoryPaths) -> None:
+    def configuration_create_makepkg(packager: str, makeflags_jobs: bool, paths: RepositoryPaths) -> None:
         """
         create configuration for makepkg
 
         Args:
             packager(str): packager identifier (e.g. name, email)
+            makeflags_jobs(bool): set MAKEFLAGS variable to number of cores
             paths(RepositoryPaths): repository paths instance
         """
+
+        content = f"PACKAGER='{packager}'\n"
+        if makeflags_jobs:
+            content += """MAKEFLAGS="-j$(nproc)"\n"""
+
         uid, _ = paths.root_owner
         home_dir = Path(getpwuid(uid).pw_dir)
-        (home_dir / ".makepkg.conf").write_text(f"PACKAGER='{packager}'\n", encoding="utf8")
+        (home_dir / ".makepkg.conf").write_text(content, encoding="utf8")
 
     @staticmethod
     def configuration_create_sudo(paths: RepositoryPaths, prefix: str, architecture: str) -> None:

src/ahriman/core/util.py

@@ -27,6 +27,7 @@ import subprocess
 
 from enum import Enum
 from pathlib import Path
+from pwd import getpwuid
 from typing import Any, Dict, Generator, IO, Iterable, List, Optional, Type, Union
 
 from ahriman.core.exceptions import OptionError, UnsafeRunError
@@ -84,10 +85,11 @@ def check_output(*args: str, exception: Optional[Exception] = None, cwd: Optiona
         if logger is not None:
             logger.debug(single)
 
+    environment = {"HOME": getpwuid(user).pw_dir} if user is not None else {}
     # FIXME additional workaround for linter and type check which do not know that user arg is supported
     # pylint: disable=unexpected-keyword-arg
     with subprocess.Popen(args, cwd=cwd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-                          user=user, text=True, encoding="utf8", bufsize=1) as process:
+                          user=user, env=environment, text=True, encoding="utf8", bufsize=1) as process:
         if input_data is not None:
             input_channel = get_io(process, "stdin")
             input_channel.write(input_data)