errors.rs
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use axum::http::{ StatusCode }; use axum::response::{ IntoResponse, Response }; use std::io; use std::fmt; use std::num; use std::path::{ PathBuf }; pub type Result<T> = ::std::result::Result<T, Error>; #[derive(Debug)] pub enum Error { CannotDetermineRepositoryName(PathBuf), ErrorFromConfigCrate(config::ConfigError), ErrorFromGit2Crate(git2::Error), ErrorFromTeraCrate(tera::Error), IoError(io::Error), InvalidGitRoot(io::Error), InvalidPort(num::TryFromIntError), RepositoryNotFound(String), UnexpectedObjectType(git2::ObjectType), UnnamedTreeEntry(git2::Oid), UntypedTreeEntry(git2::Oid), } impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { use Error::*; match *self { CannotDetermineRepositoryName(ref path) => write!(f, "Cannot determine repository name for {}", path.display()), ErrorFromConfigCrate(ref e) => write!(f, "Error from the config crate: {}", e), ErrorFromGit2Crate(ref e) => write!(f, "Error from the git2 crate: {}", e), ErrorFromTeraCrate(ref e) => write!(f, "Error from the tera crate: {}", e), IoError(ref e) => write!(f, "IO error: {}", e), InvalidGitRoot(ref e) => write!(f, "Invalid git.root: {}", e), InvalidPort(ref e) => write!(f, "Invalid network.port: {}", e), RepositoryNotFound(ref name) => write!(f, "Repository not found: {}", name), UnexpectedObjectType(ref t) => write!(f, "Unexpected object type: {}", t), UnnamedTreeEntry(ref oid) => write!(f, "Unnamed tree entry: {}", oid), UntypedTreeEntry(ref oid) => write!(f, "Untyped tree entry: {}", oid), } } } impl From<config::ConfigError> for Error { fn from(e: config::ConfigError) -> Error { Error::ErrorFromConfigCrate(e) } } impl From<git2::Error> for Error { fn from(e: git2::Error) -> Error { Error::ErrorFromGit2Crate(e) } } impl From<tera::Error> for Error { fn from(e: tera::Error) -> Error { Error::ErrorFromTeraCrate(e) } } impl From<io::Error> for Error { fn from(e: io::Error) -> Error { Error::IoError(e) } } impl IntoResponse for Error { fn into_response(self) -> Response { use Error::*; tracing::error!("Error when building response: {}", &self); let body = match self { CannotDetermineRepositoryName(..) => "The server encountered an unexpected error", ErrorFromConfigCrate(..) => "The server encountered an unexpected error", ErrorFromGit2Crate(..) => "The server encountered an unexpected error", ErrorFromTeraCrate(..) => "The server encountered an unexpected error", IoError(..) => "The server encountered an unexpected error", InvalidGitRoot(..) => "The server encountered an unexpected error", InvalidPort(..) => "The server encountered an unexpected error", RepositoryNotFound(..) => "Repository not found", UnexpectedObjectType(..) => "The server encountered an unexpected error", UnnamedTreeEntry(..) => "The server encountered an unexpected error", UntypedTreeEntry(..) => "The server encountered an unexpected error", }; (StatusCode::INTERNAL_SERVER_ERROR, body).into_response() } }