//! Find git repositories or search them upwards from a starting point, or determine if a directory looks like a git repository.//!//! Note that detection methods are educated guesses using the presence of files, without looking too much into the details.#![deny(missing_docs, rust_2018_idioms)]#![forbid(unsafe_code)] /// The name of the `.git` directory.pub const DOT_GIT_DIR: &str = ".git"; /// The name of the `modules` sub-directory within a `.git` directory for keeping submodule checkouts.pub const MODULES: &str = "modules"; ///pub mod repository; ///pub mod is_git {    use std::path::PathBuf;     /// The error returned by [`crate::is_git()`].    #[derive(Debug, thiserror::Error)]    #[allow(missing_docs)]    pub enum Error {        #[error("Could not find a valid HEAD reference")]        FindHeadRef(#[from] git_ref::file::find::existing::Error),        #[error("Expected HEAD at '.git/HEAD', got '.git/{}'", .name)]        MisplacedHead { name: bstr::BString },        #[error("Expected an objects directory at '{}'", .missing.display())]        MissingObjectsDirectory { missing: PathBuf },        #[error("The worktree's private repo's commondir file at '{}' or it could not be read", .missing.display())]        MissingCommonDir { missing: PathBuf, source: std::io::Error },        #[error("Expected a refs directory at '{}'", .missing.display())]        MissingRefsDirectory { missing: PathBuf },        #[error(transparent)]        GitFile(#[from] crate::path::from_gitdir_file::Error),        #[error("Could not retrieve metadata of \"{path}\"")]        Metadata { source: std::io::Error, path: PathBuf },    }} mod is;pub use is::{bare as is_bare, git as is_git, submodule_git_dir as is_submodule_git_dir}; ///pub mod upwards;pub use upwards::function::{discover as upwards, discover_opts as upwards_opts}; ///pub mod path; ///pub mod parse;