developomp
3f2d77b862
- combine `system` and `silent_system` function int o `run` - remove `zsh_system` - replace alacritty terminal with kitty terminal
174 lines
3.8 KiB
Python
Executable file
174 lines
3.8 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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> developomp's Arch Linux setup script <
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For more information, please refer to the repository (https://github.com/developomp/setup).
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"""
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from os import system, geteuid, popen
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from os.path import exists
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from shutil import rmtree
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import sys
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# must be synced with `src/constants.py`
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tmp_dir = "/tmp/com.developomp.setup"
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#
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# Utility functions
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#
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# These functions are copied from `src/util.py` (except for cleanup).
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# Comments can only be found over there.
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#
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def run(command: str, hide_stdout: bool = True, hide_stderr: bool = True):
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if hide_stderr:
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system(f"{command} &> /dev/null")
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return
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if hide_stdout:
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system(f"{command} > /dev/null")
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return
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system(command)
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def run_and_return(command: str) -> list[str]:
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return popen(command).readlines()
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def command_exists(command: str) -> bool:
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return len(run_and_return(f"command -v {command}")) == 1
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def cleanup() -> None:
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"""Remove temporary files downloaded or created by this script"""
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if exists(tmp_dir):
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rmtree(tmp_dir)
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#
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# Check functions
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#
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# Checks environment incompatibility and apply fix if possible.
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#
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def minimal_check():
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"""
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Minimal checks before executing any code.
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Full checks will happen after downloading codes from the internet
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"""
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print("Running checks...")
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exit_if_root()
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exit_if_invalid_python_version()
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exit_if_os_not_compatible()
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exit_if_no_internet()
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def exit_if_root():
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"""Terminate execution if the script is being executed with superuser privilege."""
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if geteuid() == 0:
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print(" Do not run this script as root.", file=sys.stderr)
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exit(1)
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def exit_if_invalid_python_version():
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"""Terminates execution if the python version is lower than 3.7"""
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if sys.version_info.major != 3 or sys.version_info.minor < 7:
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from platform import python_version
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print(
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f" Your python version ({python_version()}) does not meet the minimum requirement (3.7).",
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file=sys.stderr,
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)
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exit(1)
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def exit_if_os_not_compatible():
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"""Terminate execution if the OS is not Arch Linux based."""
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if "linux" not in sys.platform.lower() or not command_exists("pacman"):
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print(" Incompatible OS.", file=sys.stderr)
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exit(1)
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def exit_if_no_internet():
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"""Exits script if there's no internet connection.
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Pings archlinux.org for testing."""
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if run("ping -c 1 archlinux.org"):
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print(" Failed to connect to the internet.", file=sys.stderr)
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exit(1)
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#
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# Bootstrap functions
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#
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def bootstrap():
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"""
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Does minimal initialization.
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Full initialization will happen after downloading codes from the internet.
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"""
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print("Bootstrapping...")
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install_git()
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# When testing, there is no need to download the repository.
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if not exists("src/"):
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clone_repository()
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# Add cloned directory to system path
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sys.path.append(tmp_dir)
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from src.entry import entry
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entry()
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def install_git():
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"""Install git if it's not installed already."""
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if not command_exists("git"):
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run("sudo pacman -S --noconfirm --needed git")
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def clone_repository():
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"""Clone the setup repository (https://github.com/developomp/setup) to `/tmp` directory"""
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# remove existing files first
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cleanup()
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# clone repository
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if run(f"git clone --depth 1 https://github.com/developomp/setup.git {tmp_dir}"):
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print(" Failed to clone repository", file=sys.stderr)
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exit(1)
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# allow everyone to read and write.
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if run(f"chmod -R a+rw {tmp_dir}"):
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print(" Failed to change file permission for cloned repo", file=sys.stderr)
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exit(1)
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#
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# Main function
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#
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def main():
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minimal_check()
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bootstrap()
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cleanup()
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if __name__ == "__main__":
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main()
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