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Merge pull request #146 from spk/fix-exit-status

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Exit with a non-zero status on error
This commit is contained in:
Benjamin Sago 2017-04-02 02:25:31 +01:00 committed by GitHub
commit f1be6b89d5
2 changed files with 22 additions and 12 deletions
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7
src/bin/main.rs
View File

@ -10,7 +10,10 @@ fn main() {
let mut stdout = stdout();
match Exa::new(&args, &mut stdout) {
Ok(mut exa) => if let Err(e) = exa.run() {
Ok(mut exa) => {
match exa.run() {
Ok(exit_status) => exit(exit_status),
Err(e) => {
match e.kind() {
ErrorKind::BrokenPipe => exit(0),
_ => {
@ -18,6 +21,8 @@ fn main() {
exit(1);
},
};
}
};
},
Err(e) => {
writeln!(stderr(), "{}", e).unwrap();

15
src/exa.rs
View File

@ -60,9 +60,10 @@ impl<'w, W: Write + 'w> Exa<'w, W> {
})
}
pub fn run(&mut self) -> IOResult<()> {
pub fn run(&mut self) -> IOResult<i32> {
let mut files = Vec::new();
let mut dirs = Vec::new();
let mut exit_status = 0;
// List the current directory by default, like ls.
if self.args.is_empty() {
@ -72,6 +73,7 @@ impl<'w, W: Write + 'w> Exa<'w, W> {
for file_name in self.args.iter() {
match File::from_path(Path::new(&file_name), None) {
Err(e) => {
exit_status = 2;
writeln!(stderr(), "{}: {}", file_name, e)?;
},
Ok(f) => {
@ -98,10 +100,10 @@ impl<'w, W: Write + 'w> Exa<'w, W> {
self.options.filter.filter_argument_files(&mut files);
self.print_files(None, files)?;
self.print_dirs(dirs, no_files, is_only_dir)
self.print_dirs(dirs, no_files, is_only_dir, exit_status)
}
fn print_dirs(&mut self, dir_files: Vec<Dir>, mut first: bool, is_only_dir: bool) -> IOResult<()> {
fn print_dirs(&mut self, dir_files: Vec<Dir>, mut first: bool, is_only_dir: bool, exit_status: i32) -> IOResult<i32> {
for dir in dir_files {
// Put a gap between directories, or between the list of files and
@ -141,7 +143,10 @@ impl<'w, W: Write + 'w> Exa<'w, W> {
}
self.print_files(Some(&dir), children)?;
self.print_dirs(child_dirs, false, false)?;
match self.print_dirs(child_dirs, false, false, exit_status) {
Ok(_) => (),
Err(e) => return Err(e),
}
continue;
}
}
@ -149,7 +154,7 @@ impl<'w, W: Write + 'w> Exa<'w, W> {
self.print_files(Some(&dir), children)?;
}
Ok(())
Ok(exit_status)
}
/// Prints the list of files using whichever view is selected.