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281
create-debian-atomic.py
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281
create-debian-atomic.py
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#!/usr/bin/env python3
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"""
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Alternative Debian Atomic Solution
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Uses debootstrap + ostree instead of apt-ostree to create Debian Atomic systems
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"""
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import os
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import sys
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import subprocess
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import tempfile
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import shutil
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import json
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import yaml
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from pathlib import Path
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from typing import List, Dict, Any
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class DebianAtomicBuilder:
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"""Build Debian Atomic systems using debootstrap + ostree"""
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def __init__(self, work_dir: str = None):
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self.work_dir = Path(work_dir) if work_dir else Path(tempfile.mkdtemp(prefix="debian-atomic-"))
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self.repo_dir = self.work_dir / "repo"
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self.rootfs_dir = self.work_dir / "rootfs"
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def create_ostree_repo(self) -> bool:
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"""Create and initialize OSTree repository"""
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try:
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print(f"Creating OSTree repository at {self.repo_dir}")
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self.repo_dir.mkdir(parents=True, exist_ok=True)
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# Initialize OSTree repository
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result = subprocess.run([
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"ostree", "init", "--repo", str(self.repo_dir), "--mode=bare"
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], capture_output=True, text=True, check=True)
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print("OSTree repository initialized successfully")
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return True
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except subprocess.CalledProcessError as e:
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print(f"Failed to initialize OSTree repository: {e}")
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print(f"stdout: {e.stdout}")
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print(f"stderr: {e.stderr}")
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return False
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except Exception as e:
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print(f"Error creating OSTree repository: {e}")
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return False
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def create_rootfs(self, variant: str = "minimal") -> bool:
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"""Create rootfs using debootstrap"""
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try:
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print(f"Creating rootfs for variant: {variant}")
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self.rootfs_dir.mkdir(parents=True, exist_ok=True)
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# Get package list based on variant
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packages = self.get_packages_for_variant(variant)
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# Create minimal rootfs with debootstrap
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cmd = [
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"debootstrap", "--variant=minbase", "--include=" + ",".join(packages),
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"trixie", str(self.rootfs_dir), "http://deb.debian.org/debian"
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]
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print(f"Running: {' '.join(cmd)}")
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result = subprocess.run(cmd, capture_output=True, text=True, check=True)
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print("Rootfs created successfully")
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return True
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except subprocess.CalledProcessError as e:
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print(f"Failed to create rootfs: {e}")
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print(f"stdout: {e.stdout}")
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print(f"stderr: {e.stderr}")
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return False
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except Exception as e:
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print(f"Error creating rootfs: {e}")
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return False
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def get_packages_for_variant(self, variant: str) -> List[str]:
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"""Get package list for a specific variant"""
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# Start with minimal set of packages that definitely exist
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base_packages = [
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"systemd", "dbus", "sudo", "bash",
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"coreutils", "util-linux", "procps"
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]
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if variant == "minimal":
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return base_packages + [
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"less", "vim-tiny", "wget", "curl", "ca-certificates",
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"gnupg", "iproute2", "net-tools", "openssh-client",
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"openssh-server", "htop", "rsync", "tar", "gzip", "unzip"
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]
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elif variant == "gnome":
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return base_packages + [
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"gnome-shell", "gnome-session", "gnome-terminal",
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"gnome-control-center", "gnome-settings-daemon",
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"gnome-backgrounds", "gnome-themes-extra",
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"adwaita-icon-theme", "gdm3", "gnome-initial-setup",
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"nautilus", "gnome-software", "gnome-tweaks"
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]
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elif variant == "plasma":
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return base_packages + [
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"plasma-desktop", "plasma-workspace", "plasma-nm",
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"plasma-pa", "kde-config", "kde-runtime", "kde-standard",
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"sddm", "kwin-x11", "dolphin", "konsole", "kate",
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"kdeconnect", "plasma-browser-integration"
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]
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elif variant == "cosmic":
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return base_packages + [
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"pop-desktop", "pop-shell", "gnome-shell",
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"gnome-session", "gnome-terminal", "gnome-control-center",
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"gnome-settings-daemon", "adwaita-icon-theme", "gdm3",
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"nautilus", "gnome-software", "pop-gtk-theme"
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]
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elif variant == "sway":
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return base_packages + [
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"sway", "swaybg", "swayidle", "swaylock",
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"waybar", "wofi", "foot", "grim", "slurp",
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"wl-clipboard", "mako", "swaymsg", "sway-input"
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]
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elif variant == "budgie":
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return base_packages + [
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"budgie-desktop", "budgie-desktop-view",
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"budgie-panel", "budgie-menu", "budgie-run-dialog",
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"budgie-screenshot", "budgie-session",
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"gnome-session", "gdm3", "adwaita-icon-theme"
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]
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else:
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return base_packages
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def create_ostree_commit(self, variant: str, ref: str) -> str:
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"""Create OSTree commit from rootfs"""
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try:
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print(f"Creating OSTree commit for variant: {variant}")
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# Create commit
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cmd = [
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"ostree", "commit", "--repo", str(self.repo_dir),
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"--branch", ref, "--tree", f"dir={self.rootfs_dir}",
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f"--subject=Debian Atomic {variant} variant",
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f"--body=Debian Trixie Atomic system with {variant} desktop"
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]
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print(f"Running: {' '.join(cmd)}")
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result = subprocess.run(cmd, capture_output=True, text=True, check=True)
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# Extract commit hash from output
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commit_hash = result.stdout.strip()
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print(f"OSTree commit created: {commit_hash}")
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return commit_hash
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except subprocess.CalledProcessError as e:
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print(f"Failed to create OSTree commit: {e}")
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print(f"stdout: {e.stdout}")
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print(f"stderr: {e.stderr}")
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return None
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except Exception as e:
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print(f"Error creating OSTree commit: {e}")
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return None
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def post_process_rootfs(self, variant: str) -> bool:
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"""Post-process rootfs after debootstrap"""
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try:
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print(f"Post-processing rootfs for {variant} variant")
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# Create essential directories
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essential_dirs = [
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"/etc/apt-ostree",
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"/var/lib/apt-ostree",
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"/usr/lib/bootc",
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"/root/.ssh",
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"/etc/systemd/system",
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"/etc/systemd/user"
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]
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for dir_path in essential_dirs:
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full_path = self.rootfs_dir / dir_path.lstrip("/")
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full_path.mkdir(parents=True, exist_ok=True)
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# Set up basic systemd services
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if variant in ["gnome", "plasma", "cosmic", "budgie"]:
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# Enable display manager
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if variant == "plasma":
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sddm_service = self.rootfs_dir / "etc/systemd/system/display-manager.service"
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sddm_service.write_text("[Unit]\nDescription=SDDM Display Manager\n\n[Service]\nExecStart=/usr/bin/sddm\nRestart=always\n\n[Install]\nWantedBy=graphical.target\n")
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elif variant in ["gnome", "cosmic", "budgie"]:
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gdm_service = self.rootfs_dir / "etc/systemd/system/display-manager.service"
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gdm_service.write_text("[Unit]\nDescription=GDM Display Manager\n\n[Service]\nExecStart=/usr/sbin/gdm3\nRestart=always\n\n[Install]\nWantedBy=graphical.target\n")
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# Enable SSH service
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ssh_service = self.rootfs_dir / "etc/systemd/system/sshd.service"
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ssh_service.write_text("[Unit]\nDescription=OpenSSH Server\n\n[Service]\nExecStart=/usr/sbin/sshd -D\nRestart=always\n\n[Install]\nWantedBy=multi-user.target\n")
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print("Rootfs post-processing completed")
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return True
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except Exception as e:
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print(f"Error during post-processing: {e}")
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return False
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def build_variant(self, variant: str) -> bool:
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"""Build a complete Debian Atomic variant"""
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try:
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print(f"Building Debian Atomic variant: {variant}")
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# Create OSTree repository
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if not self.create_ostree_repo():
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return False
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# Create rootfs
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if not self.create_rootfs(variant):
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return False
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# Post-process rootfs
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if not self.post_process_rootfs(variant):
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return False
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# Create OSTree commit
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ref = f"debian/14/x86_64/{variant}"
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commit_hash = self.create_ostree_commit(variant, ref)
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if not commit_hash:
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return False
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print(f"Successfully built {variant} variant")
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print(f"Repository: {self.repo_dir}")
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print(f"Reference: {ref}")
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print(f"Commit: {commit_hash}")
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return True
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except Exception as e:
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print(f"Error building variant {variant}: {e}")
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return False
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def list_variants(self) -> List[str]:
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"""List all supported variants"""
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return ["minimal", "gnome", "plasma", "cosmic", "sway", "budgie"]
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def cleanup(self):
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"""Clean up temporary files"""
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try:
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if self.work_dir.exists():
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shutil.rmtree(self.work_dir)
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print(f"Cleaned up {self.work_dir}")
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except Exception as e:
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print(f"Error during cleanup: {e}")
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def main():
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"""Main function"""
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if len(sys.argv) < 2:
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print("Usage: python3 create-debian-atomic.py <variant> [work_dir]")
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print("Variants:", ", ".join(DebianAtomicBuilder().list_variants()))
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sys.exit(1)
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variant = sys.argv[1]
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work_dir = sys.argv[2] if len(sys.argv) > 2 else None
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builder = DebianAtomicBuilder()
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supported_variants = builder.list_variants()
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if variant not in supported_variants:
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print(f"Unknown variant: {variant}")
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print(f"Supported variants: {', '.join(supported_variants)}")
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sys.exit(1)
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try:
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success = builder.build_variant(variant)
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if success:
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print(f"\n✅ Successfully built Debian Atomic {variant} variant")
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print(f"Repository location: {builder.repo_dir}")
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print(f"To deploy: ostree admin deploy --os {variant} {builder.repo_dir}")
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print(f"To list refs: ostree refs --repo={builder.repo_dir}")
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else:
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print(f"\n❌ Failed to build Debian Atomic {variant} variant")
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sys.exit(1)
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finally:
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if not work_dir: # Only cleanup if we created a temp directory
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builder.cleanup()
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if __name__ == "__main__":
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main()
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