use crate::common::*;
#[derive(Debug)]
pub(crate) enum Error<'src> {
ArgumentCountMismatch {
recipe: &'src str,
parameters: Vec<Parameter<'src>>,
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<usize>,
code: i32,
},
CommandInvoke {
binary: OsString,
arguments: Vec<OsString>,
io_error: io::Error,
},
CommandStatus {
binary: OsString,
arguments: Vec<OsString>,
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,
},
DumpJson {
serde_json_error: serde_json::Error,
},
EditorInvoke {
editor: OsString,
io_error: io::Error,
},
EditorStatus {
editor: OsString,
status: ExitStatus,
},
EvalUnknownVariable {
variable: String,
suggestion: Option<Suggestion<'src>>,
},
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<String>,
io_error: io::Error,
},
Signal {
recipe: &'src str,
line_number: Option<usize>,
signal: i32,
},
TmpdirIo {
recipe: &'src str,
io_error: io::Error,
},
Unknown {
recipe: &'src str,
line_number: Option<usize>,
},
UnknownOverrides {
overrides: Vec<String>,
},
UnknownRecipes {
recipes: Vec<String>,
suggestion: Option<Suggestion<'src>>,
},
Unstable {
message: String,
},
WriteJustfile {
justfile: PathBuf,
io_error: io::Error,
},
}
impl<'src> Error<'src> {
pub(crate) fn code(&self) -> Option<i32> {
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<Token<'src>> {
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<String>) -> Self {
Self::Internal {
message: message.into(),
}
}
}
impl<'src> From<CompileError<'src>> for Error<'src> {
fn from(compile_error: CompileError<'src>) -> Self {
Self::Compile { compile_error }
}
}
impl<'src> From<ConfigError> for Error<'src> {
fn from(config_error: ConfigError) -> Self {
Self::Config { config_error }
}
}
impl<'src> From<dotenv::Error> for Error<'src> {
fn from(dotenv_error: dotenv::Error) -> Error<'src> {
Self::Dotenv { dotenv_error }
}
}
impl<'src> From<SearchError> 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::<Vec<String>>()
.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::<Vec<String>>()
.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)?;
}
DumpJson { serde_json_error } => {
write!(f, "Failed to dump JSON to stdout: {}", serde_json_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(())
}
}