move kbs libary files to src/

src/kupferbootstrap/binfmt/cli.py

@@ -0,0 +1,44 @@
+import click
+import os
+
+from typing import Optional
+
+from constants import Arch, ARCHES
+
+from .binfmt import binfmt_unregister, binfmt_is_registered
+
+cmd_binfmt = click.Group('binfmt', help='Manage qemu binfmt for executing foreign architecture binaries')
+arches_arg = click.argument('arches', type=click.Choice(ARCHES), nargs=-1, required=True)
+arches_arg_optional = click.argument('arches', type=click.Choice(ARCHES), nargs=-1, required=False)
+
+
+@cmd_binfmt.command('register', help='Register a binfmt handler with the kernel')
+@arches_arg
+def cmd_register(arches: list[Arch], disable_chroot: bool = False):
+    from packages.build import build_enable_qemu_binfmt
+    for arch in arches:
+        build_enable_qemu_binfmt(arch)
+
+
+@cmd_binfmt.command('unregister', help='Unregister a binfmt handler from the kernel')
+@arches_arg_optional
+def cmd_unregister(arches: Optional[list[Arch]]):
+    for arch in arches or ARCHES:
+        binfmt_unregister(arch)
+
+
+@cmd_binfmt.command('status', help='Get the status of a binfmt handler from the kernel')
+@arches_arg_optional
+def cmd_status(arches: Optional[list[Arch]]):
+    for arch in arches or ARCHES:
+        native = arch == os.uname().machine
+        active = binfmt_is_registered(arch)
+        if native and not active:
+            # boooring
+            continue
+        verb = click.style(
+            "is" if active else "is NOT",
+            fg='green' if (active ^ native) else 'red',
+            bold=True,
+        )
+        click.echo(f'Binfmt for {arch} {verb} set up! {"(host architecture!)" if native else ""}')