mise 2026.9.4

Dev tools, env vars, and tasks in one CLI
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use std::path::{Path, PathBuf};

use eyre::Result;

use crate::deps::rule::DepsProviderConfig;
use crate::deps::{DepsCommand, DepsProvider, DepsProviderApplicability};

use super::ProviderBase;

/// Deps provider for git submodules (.gitmodules)
#[derive(Debug)]
pub(crate) struct GitSubmoduleDepsProvider {
    base: ProviderBase,
}

impl GitSubmoduleDepsProvider {
    pub(crate) fn new(project_root: &Path, config: DepsProviderConfig) -> Self {
        Self {
            base: ProviderBase::new("git-submodule", project_root, config),
        }
    }

    /// Parse submodule paths from .gitmodules file
    ///
    /// Handles INI-style sections and comments. Only extracts `path` values
    /// from `[submodule "..."]` sections.
    fn submodule_paths(&self) -> Vec<PathBuf> {
        let gitmodules = self.base.config_root().join(".gitmodules");
        let Ok(content) = std::fs::read_to_string(&gitmodules) else {
            return vec![];
        };

        let mut in_submodule_section = false;
        content
            .lines()
            .filter_map(|line| {
                let line = line.trim();
                if line.starts_with('#') || line.starts_with(';') {
                    return None;
                }
                if line.starts_with("[submodule ") || line.starts_with("[submodule\"") {
                    in_submodule_section = true;
                    return None;
                }
                if line.starts_with('[') {
                    in_submodule_section = false;
                    return None;
                }
                if !in_submodule_section {
                    return None;
                }
                if let Some(value) = line.strip_prefix("path") {
                    let value = value.trim_start();
                    value
                        .strip_prefix('=')
                        .map(|value| self.base.config_root().join(value.trim()))
                } else {
                    None
                }
            })
            .collect()
    }
}

impl DepsProvider for GitSubmoduleDepsProvider {
    fn base(&self) -> &ProviderBase {
        &self.base
    }

    fn sources(&self) -> Vec<PathBuf> {
        self.base
            .sources(vec![self.base.config_root().join(".gitmodules")])
    }

    fn outputs(&self) -> Vec<PathBuf> {
        self.base.outputs(self.submodule_paths())
    }

    fn install_command(&self) -> Result<DepsCommand> {
        self.base.install_command(
            "git",
            &["submodule", "update", "--init", "--recursive"],
            "git submodule update --init --recursive",
        )
    }

    fn applicability(&self) -> DepsProviderApplicability {
        let gitmodules = self.base.config_root().join(".gitmodules");
        DepsProviderApplicability::require_nonempty_file(&gitmodules)
    }
}