| //! 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"; | 
 |  | 
 | /// | 
 | #[allow(clippy::empty_docs)] | 
 | pub mod repository; | 
 |  | 
 | /// | 
 | #[allow(clippy::empty_docs)] | 
 | 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] gix_ref::file::find::existing::Error), | 
 |         #[error("Missing HEAD at '.git/HEAD'")] | 
 |         MissingHead, | 
 |         #[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 }, | 
 |         #[error("The repository's config file doesn't exist or didn't have a 'bare' configuration or contained core.worktree without value")] | 
 |         Inconclusive, | 
 |     } | 
 | } | 
 |  | 
 | mod is; | 
 | pub use is::{bare as is_bare, git as is_git, submodule_git_dir as is_submodule_git_dir}; | 
 |  | 
 | /// | 
 | #[allow(clippy::empty_docs)] | 
 | pub mod upwards; | 
 | pub use upwards::function::{discover as upwards, discover_opts as upwards_opts}; | 
 |  | 
 | /// | 
 | #[allow(clippy::empty_docs)] | 
 | pub mod path; | 
 |  | 
 | /// | 
 | #[allow(clippy::empty_docs)] | 
 | pub mod parse; |