zenops 0.1.0

Declarative system configuration management for shell config and dotfiles.
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use std::fmt::Write as _;
use zenops_safe_relative_path::srpath;

use super::common::{
    StoredShellConfig, write_aliases, write_brew_llvm_flags, write_environment,
    write_path_variable, write_pkg_inits,
};
use crate::{
    config::{Config, pkg::Shell},
    config_files::{ConfigFilePath, ConfigFileSource, ConfigFiles},
    error::Error,
};

pub(in super::super) type StoredBashConfig = StoredShellConfig;

pub(super) fn make_config_files(
    shell_config: &StoredShellConfig,
    config: &Config,
    config_files: &mut ConfigFiles,
) -> Result<(), Error> {
    let StoredShellConfig { environment, alias } = shell_config;
    let mut bash_config = String::new();

    _ = writeln!(
        bash_config,
        "#\n# Bash config generated by zenops, should be sourced from .bash_profile\n#\n"
    );

    #[cfg(target_os = "macos")]
    {
        _ = writeln!(
            bash_config,
            "# Homebrew environment (PATH, MANPATH, INFOPATH)"
        );
        _ = writeln!(
            bash_config,
            "eval \"$(/opt/homebrew/bin/brew shellenv bash)\""
        );
        bash_config.push('\n');

        _ = writeln!(bash_config, "# Bash completions (brew-managed)");
        _ = writeln!(
            bash_config,
            "if [ -f $(brew --prefix)/etc/bash_completion ]; then"
        );
        _ = writeln!(bash_config, "    . $(brew --prefix)/etc/bash_completion");
        _ = writeln!(bash_config, "fi");
        bash_config.push('\n');
    }

    write_pkg_inits(&mut bash_config, &config.env_pkg_inits(Shell::Bash));

    write_aliases(&mut bash_config, alias);
    write_environment(&mut bash_config, environment);

    _ = writeln!(bash_config, "[ -f ~/.bashrc ] && source ~/.bashrc");
    bash_config.push('\n');

    write_pkg_inits(&mut bash_config, &config.interactive_pkg_inits(Shell::Bash));

    if let Some(path) = config.path_variable() {
        write_path_variable(&mut bash_config, &path);
    }

    #[cfg(target_os = "macos")]
    if config.has_brew_llvm() {
        write_brew_llvm_flags(&mut bash_config);
    }

    config_files.add(
        ConfigFilePath::in_home(srpath!(".zenops_bash_profile")),
        ConfigFileSource::Generated(bash_config),
    );

    Ok(())
}