use crate::common::*; #[derive(Debug)] pub(crate) enum Error<'src> { ArgumentCountMismatch { recipe: &'src str, parameters: Vec>, found: usize, min: usize, max: usize, }, Backtick { token: Token<'src>, output_error: OutputError, }, ChooserInvoke { shell_binary: String, shell_arguments: String, chooser: OsString, io_error: io::Error, }, ChooserRead { chooser: OsString, io_error: io::Error, }, ChooserStatus { chooser: OsString, status: ExitStatus, }, ChooserWrite { chooser: OsString, io_error: io::Error, }, Code { recipe: &'src str, line_number: Option, code: i32, }, CommandInvoke { binary: OsString, arguments: Vec, io_error: io::Error, }, CommandStatus { binary: OsString, arguments: Vec, status: ExitStatus, }, Compile { compile_error: CompileError<'src>, }, Config { config_error: ConfigError, }, Cygpath { recipe: &'src str, output_error: OutputError, }, DefaultRecipeRequiresArguments { recipe: &'src str, min_arguments: usize, }, Dotenv { dotenv_error: dotenv::Error, }, EditorInvoke { editor: OsString, io_error: io::Error, }, EditorStatus { editor: OsString, status: ExitStatus, }, EvalUnknownVariable { variable: String, suggestion: Option>, }, FormatCheckFoundDiff, FunctionCall { function: Name<'src>, message: String, }, InitExists { justfile: PathBuf, }, Internal { message: String, }, Io { recipe: &'src str, io_error: io::Error, }, Load { path: PathBuf, io_error: io::Error, }, NoChoosableRecipes, NoRecipes, RegexCompile { source: regex::Error, }, Search { search_error: SearchError, }, Shebang { recipe: &'src str, command: String, argument: Option, io_error: io::Error, }, Signal { recipe: &'src str, line_number: Option, signal: i32, }, TmpdirIo { recipe: &'src str, io_error: io::Error, }, Unknown { recipe: &'src str, line_number: Option, }, UnknownOverrides { overrides: Vec, }, UnknownRecipes { recipes: Vec, suggestion: Option>, }, Unstable { message: String, }, WriteJustfile { justfile: PathBuf, io_error: io::Error, }, } impl<'src> Error<'src> { pub(crate) fn code(&self) -> Option { match self { Self::Code { code, .. } | Self::Backtick { output_error: OutputError::Code(code), .. } => Some(*code), Self::ChooserStatus { status, .. } | Self::EditorStatus { status, .. } => status.code(), _ => None, } } fn context(&self) -> Option> { match self { Self::Backtick { token, .. } => Some(*token), Self::Compile { compile_error } => Some(compile_error.context()), Self::FunctionCall { function, .. } => Some(function.token()), _ => None, } } pub(crate) fn internal(message: impl Into) -> Self { Self::Internal { message: message.into(), } } } impl<'src> From> for Error<'src> { fn from(compile_error: CompileError<'src>) -> Self { Self::Compile { compile_error } } } impl<'src> From for Error<'src> { fn from(config_error: ConfigError) -> Self { Self::Config { config_error } } } impl<'src> From for Error<'src> { fn from(dotenv_error: dotenv::Error) -> Error<'src> { Self::Dotenv { dotenv_error } } } impl<'src> From for Error<'src> { fn from(search_error: SearchError) -> Self { Self::Search { search_error } } } impl<'src> ColorDisplay for Error<'src> { fn fmt(&self, f: &mut Formatter, color: Color) -> fmt::Result { use Error::*; write!( f, "{}: {}", color.error().paint("error"), color.message().prefix() )?; match self { ArgumentCountMismatch { recipe, found, min, max, .. } => { if min == max { let expected = min; write!( f, "Recipe `{}` got {} {} but {}takes {}", recipe, found, Count("argument", *found), if expected < found { "only " } else { "" }, expected )?; } else if found < min { write!( f, "Recipe `{}` got {} {} but takes at least {}", recipe, found, Count("argument", *found), min )?; } else if found > max { write!( f, "Recipe `{}` got {} {} but takes at most {}", recipe, found, Count("argument", *found), max )?; } } Backtick { output_error, .. } => match output_error { OutputError::Code(code) => { write!(f, "Backtick failed with exit code {}", code)?; } OutputError::Signal(signal) => { write!(f, "Backtick was terminated by signal {}", signal)?; } OutputError::Unknown => { write!(f, "Backtick failed for an unknown reason")?; } OutputError::Io(io_error) => { match io_error.kind() { io::ErrorKind::NotFound => write!( f, "Backtick could not be run because just could not find the shell:\n{}", io_error ), io::ErrorKind::PermissionDenied => write!( f, "Backtick could not be run because just could not run the shell:\n{}", io_error ), _ => write!( f, "Backtick could not be run because of an IO error while launching the shell:\n{}", io_error ), }?; } OutputError::Utf8(utf8_error) => { write!( f, "Backtick succeeded but stdout was not utf8: {}", utf8_error )?; } }, ChooserInvoke { shell_binary, shell_arguments, chooser, io_error, } => { write!( f, "Chooser `{} {} {}` invocation failed: {}", shell_binary, shell_arguments, chooser.to_string_lossy(), io_error, )?; } ChooserRead { chooser, io_error } => { write!( f, "Failed to read output from chooser `{}`: {}", chooser.to_string_lossy(), io_error )?; } ChooserStatus { chooser, status } => { write!( f, "Chooser `{}` failed: {}", chooser.to_string_lossy(), status )?; } ChooserWrite { chooser, io_error } => { write!( f, "Failed to write to chooser `{}`: {}", chooser.to_string_lossy(), io_error )?; } Code { recipe, line_number, code, } => { if let Some(n) = line_number { write!( f, "Recipe `{}` failed on line {} with exit code {}", recipe, n, code )?; } else { write!(f, "Recipe `{}` failed with exit code {}", recipe, code)?; } } CommandInvoke { binary, arguments, io_error, } => { write!( f, "Failed to invoke {}: {}", iter::once(binary) .chain(arguments) .map(|value| Enclosure::tick(value.to_string_lossy()).to_string()) .collect::>() .join(" "), io_error, )?; } CommandStatus { binary, arguments, status, } => { write!( f, "Command {} failed: {}", iter::once(binary) .chain(arguments) .map(|value| Enclosure::tick(value.to_string_lossy()).to_string()) .collect::>() .join(" "), status, )?; } Compile { compile_error } => Display::fmt(compile_error, f)?, Config { config_error } => Display::fmt(config_error, f)?, Cygpath { recipe, output_error, } => match output_error { OutputError::Code(code) => { write!( f, "Cygpath failed with exit code {} while translating recipe `{}` shebang interpreter \ path", code, recipe )?; } OutputError::Signal(signal) => { write!( f, "Cygpath terminated by signal {} while translating recipe `{}` shebang interpreter \ path", signal, recipe )?; } OutputError::Unknown => { write!( f, "Cygpath experienced an unknown failure while translating recipe `{}` shebang \ interpreter path", recipe )?; } OutputError::Io(io_error) => { match io_error.kind() { io::ErrorKind::NotFound => write!( f, "Could not find `cygpath` executable to translate recipe `{}` shebang interpreter \ path:\n{}", recipe, io_error ), io::ErrorKind::PermissionDenied => write!( f, "Could not run `cygpath` executable to translate recipe `{}` shebang interpreter \ path:\n{}", recipe, io_error ), _ => write!(f, "Could not run `cygpath` executable:\n{}", io_error), }?; } OutputError::Utf8(utf8_error) => { write!( f, "Cygpath successfully translated recipe `{}` shebang interpreter path, but output was \ not utf8: {}", recipe, utf8_error )?; } }, DefaultRecipeRequiresArguments { recipe, min_arguments, } => { write!( f, "Recipe `{}` cannot be used as default recipe since it requires at least {} {}.", recipe, min_arguments, Count("argument", *min_arguments), )?; } Dotenv { dotenv_error } => { write!(f, "Failed to load environment file: {}", dotenv_error)?; } EditorInvoke { editor, io_error } => { write!( f, "Editor `{}` invocation failed: {}", editor.to_string_lossy(), io_error )?; } EditorStatus { editor, status } => { write!( f, "Editor `{}` failed: {}", editor.to_string_lossy(), status )?; } EvalUnknownVariable { variable, suggestion, } => { write!(f, "Justfile does not contain variable `{}`.", variable,)?; if let Some(suggestion) = *suggestion { write!(f, "\n{}", suggestion)?; } } FormatCheckFoundDiff => { write!(f, "Formatted justfile differs from original.")?; } FunctionCall { function, message } => { write!( f, "Call to function `{}` failed: {}", function.lexeme(), message )?; } InitExists { justfile } => { write!(f, "Justfile `{}` already exists", justfile.display())?; } Internal { message } => { write!( f, "Internal runtime error, this may indicate a bug in just: {} \ consider filing an issue: https://github.com/casey/just/issues/new", message )?; } Io { recipe, io_error } => { match io_error.kind() { io::ErrorKind::NotFound => write!( f, "Recipe `{}` could not be run because just could not find the shell: {}", recipe, io_error ), io::ErrorKind::PermissionDenied => write!( f, "Recipe `{}` could not be run because just could not run the shell: {}", recipe, io_error ), _ => write!( f, "Recipe `{}` could not be run because of an IO error while launching the shell: {}", recipe, io_error ), }?; } Load { io_error, path } => { write!( f, "Failed to read justfile at `{}`: {}", path.display(), io_error )?; } NoChoosableRecipes => { write!(f, "Justfile contains no choosable recipes.")?; } NoRecipes => { write!(f, "Justfile contains no recipes.")?; } RegexCompile { source } => { write!(f, "{}", source)?; } Search { search_error } => Display::fmt(search_error, f)?, Shebang { recipe, command, argument, io_error, } => { if let Some(argument) = argument { write!( f, "Recipe `{}` with shebang `#!{} {}` execution error: {}", recipe, command, argument, io_error )?; } else { write!( f, "Recipe `{}` with shebang `#!{}` execution error: {}", recipe, command, io_error )?; } } Signal { recipe, line_number, signal, } => { if let Some(n) = line_number { write!( f, "Recipe `{}` was terminated on line {} by signal {}", recipe, n, signal )?; } else { write!(f, "Recipe `{}` was terminated by signal {}", recipe, signal)?; } } TmpdirIo { recipe, io_error } => write!( f, "Recipe `{}` could not be run because of an IO error while trying to create a temporary \ directory or write a file to that directory`:{}", recipe, io_error )?, Unknown { recipe, line_number, } => { if let Some(n) = line_number { write!( f, "Recipe `{}` failed on line {} for an unknown reason", recipe, n )?; } else { write!(f, "Recipe `{}` failed for an unknown reason", recipe)?; } } UnknownOverrides { overrides } => { write!( f, "{} {} overridden on the command line but not present in justfile", Count("Variable", overrides.len()), List::and_ticked(overrides), )?; } UnknownRecipes { recipes, suggestion, } => { write!( f, "Justfile does not contain {} {}.", Count("recipe", recipes.len()), List::or_ticked(recipes), )?; if let Some(suggestion) = *suggestion { write!(f, "\n{}", suggestion)?; } } Unstable { message } => { write!( f, "{} Invoke `just` with the `--unstable` flag to enable unstable features.", message )?; } WriteJustfile { justfile, io_error } => { write!( f, "Failed to write justfile to `{}`: {}", justfile.display(), io_error )?; } } write!(f, "{}", color.message().suffix())?; if let ArgumentCountMismatch { recipe, parameters, .. } = self { writeln!(f)?; write!( f, "{}:\n just {}", color.message().paint("usage"), recipe )?; for param in parameters { write!(f, " {}", param.color_display(color))?; } } if let Some(token) = self.context() { writeln!(f)?; write!(f, "{}", token.color_display(color.error()))?; } Ok(()) } }