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clean up. more cp. mkdir. more test coverage. fixes.

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- Introduced mkdir.
- Minor more labelled error improvements.
- Fix to avoid leaking child zombies.
- cp improvements.
- Introduced mkdir.
This commit is contained in:
Andrés N. Robalino
2019-08-07 09:45:50 -05:00
parent c8b5329c5c
commit e0bacaaf37
6 changed files with 403 additions and 109 deletions
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380
src/commands/cp.rs
View File

@@ -31,10 +31,79 @@ impl Command for Copycp {
}
}
#[derive(Debug, Eq, Ord, PartialEq, PartialOrd)]
pub struct Res {
pub loc: PathBuf,
pub at: usize,
}
impl Res {}
pub struct FileStructure {
root: PathBuf,
resources: Vec<Res>,
}
impl FileStructure {
pub fn new() -> FileStructure {
FileStructure {
root: PathBuf::new(),
resources: Vec::<Res>::new(),
}
}
pub fn set_root(&mut self, path: &Path) {
self.root = path.to_path_buf();
}
pub fn translate<F>(&mut self, to: F) -> Vec<(PathBuf, PathBuf)>
where
F: Fn((PathBuf, usize)) -> (PathBuf, PathBuf),
{
self.resources
.iter()
.map(|f| (PathBuf::from(&f.loc), f.at))
.map(|f| to(f))
.collect()
}
pub fn walk_decorate(&mut self, start_path: &Path) {
self.set_root(&dunce::canonicalize(start_path).unwrap());
self.resources = Vec::<Res>::new();
self.build(start_path, 0);
self.resources.sort();
}
fn build(&mut self, src: &'a Path, lvl: usize) {
let source = dunce::canonicalize(src).unwrap();
if source.is_dir() {
for entry in std::fs::read_dir(&source).unwrap() {
let entry = entry.unwrap();
let path = entry.path();
if path.is_dir() {
self.build(&path, lvl + 1);
}
self.resources.push(Res {
loc: path.to_path_buf(),
at: lvl,
});
}
} else {
self.resources.push(Res {
loc: source,
at: lvl,
});
}
}
}
pub fn cp(args: CommandArgs) -> Result<OutputStream, ShellError> {
let mut source = PathBuf::from(args.shell_manager.path());
let mut destination = PathBuf::from(args.shell_manager.path());
let name_span = args.call_info.name_span;
match args
.nth(0)
@@ -58,124 +127,273 @@ pub fn cp(args: CommandArgs) -> Result<OutputStream, ShellError> {
}
}
let (sources, destinations) = (
glob::glob(&source.to_string_lossy()),
glob::glob(&destination.to_string_lossy()),
);
let sources = glob::glob(&source.to_string_lossy());
if sources.is_err() || destinations.is_err() {
return Err(ShellError::string("Invalid pattern."));
if sources.is_err() {
return Err(ShellError::labeled_error(
"Invalid pattern.",
"Invalid pattern.",
args.nth(0).unwrap().span(),
));
}
let (sources, destinations): (Vec<_>, Vec<_>) =
(sources.unwrap().collect(), destinations.unwrap().collect());
let sources: Vec<_> = sources.unwrap().collect();
if sources.len() == 1 {
if let Ok(entry) = &sources[0] {
if entry.is_file() {
if destinations.len() == 1 {
if let Ok(dst) = &destinations[0] {
if dst.is_file() {
std::fs::copy(entry, dst);
}
if let Ok(val) = &sources[0] {
if val.is_dir() && !args.has("recursive") {
return Err(ShellError::labeled_error(
"is a directory (not copied). Try using \"--recursive\".",
"is a directory (not copied). Try using \"--recursive\".",
args.nth(0).unwrap().span(),
));
}
if dst.is_dir() {
destination.push(entry.file_name().unwrap());
std::fs::copy(entry, destination);
}
}
} else if destinations.is_empty() {
if destination.is_dir() {
destination.push(entry.file_name().unwrap());
std::fs::copy(entry, destination);
let mut sources: FileStructure = FileStructure::new();
sources.walk_decorate(&val);
if val.is_file() {
for (ref src, ref dst) in sources.translate(|(src, _)| {
if destination.exists() {
let mut dst = dunce::canonicalize(destination.clone()).unwrap();
dst.push(val.file_name().unwrap());
(src, dst)
} else {
std::fs::copy(entry, destination);
(src, destination.clone())
}
}) {
if src.is_file() {
match std::fs::copy(src, dst) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
}
}
}
if entry.is_dir() {
if destinations.len() == 1 {
if let Ok(dst) = &destinations[0] {
if dst.is_dir() && !args.has("recursive") {
return Err(ShellError::string(&format!(
"{:?} is a directory (not copied)",
entry.to_string_lossy()
)));
if val.is_dir() {
if !destination.exists() {
match std::fs::create_dir_all(&destination) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
for (ref src, ref dst) in sources.translate(|(src, loc)| {
let mut final_path = destination.clone();
let path = dunce::canonicalize(&src).unwrap();
let mut comps: Vec<_> = path
.components()
.map(|fragment| fragment.as_os_str())
.rev()
.take(1 + loc)
.collect();
comps.reverse();
for fragment in comps.iter() {
final_path.push(fragment);
}
if dst.is_dir() && args.has("recursive") {
let entries = std::fs::read_dir(&entry);
let entries = match entries {
Err(e) => {
if let Some(s) = args.nth(0) {
(PathBuf::from(&src), PathBuf::from(final_path))
}) {
if src.is_dir() {
if !dst.exists() {
match std::fs::create_dir_all(dst) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
s.span(),
));
} else {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
args.call_info.name_span,
name_span,
));
}
Ok(o) => o,
};
}
}
if src.is_file() {
match std::fs::copy(src, dst) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
}
}
} else {
destination.push(val.file_name().unwrap());
let mut x = dst.clone();
match std::fs::create_dir_all(&destination) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
//x.pop();
x.push(entry.file_name().unwrap());
for (ref src, ref dst) in sources.translate(|(src, loc)| {
let mut final_path = dunce::canonicalize(&destination).unwrap();
let path = dunce::canonicalize(&src).unwrap();
let mut comps: Vec<_> = path
.components()
.map(|fragment| fragment.as_os_str())
.rev()
.take(1 + loc)
.collect();
std::fs::create_dir(&x).expect("can not create directory");
comps.reverse();
for entry in entries {
let entry = entry?;
let file_path = entry.path();
let file_name = file_path.file_name().unwrap();
for fragment in comps.iter() {
final_path.push(fragment);
}
let mut d = PathBuf::new();
d.push(&x);
d.push(file_name);
std::fs::copy(entry.path(), d);
(PathBuf::from(&src), PathBuf::from(final_path))
}) {
if src.is_dir() {
if !dst.exists() {
match std::fs::create_dir_all(dst) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
}
}
if src.is_file() {
match std::fs::copy(src, dst) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
}
}
}
}
}
}
/*
if destination.is_dir() {
if source.is_file() {
let file_name = source.file_name().expect("");
let file_name = file_name.to_str().expect("");
destination.push(Path::new(file_name));
match std::fs::copy(source, destination) {
Err(_error) => return Err(ShellError::string("can not copy file")),
Ok(_) => return Ok(OutputStream::empty()),
} else {
if destination.exists() {
if !sources.iter().all(|x| (x.as_ref().unwrap()).is_file()) && !args.has("recursive") {
return Err(ShellError::labeled_error(
"Copy aborted (directories found). Try using \"--recursive\".",
"Copy aborted (directories found). Try using \"--recursive\".",
args.nth(0).unwrap().span(),
));
}
} else if source.is_dir() {
return Err(ShellError::string(&format!(
"{:?} is a directory (not copied)",
source.to_string_lossy()
)));
for entry in sources {
if let Ok(entry) = entry {
let mut to = PathBuf::from(&destination);
to.push(&entry.file_name().unwrap());
match std::fs::copy(&entry, &to) {
Err(e) => {
return Err(ShellError::labeled_error(
e.to_string(),
e.to_string(),
name_span,
));
}
Ok(o) => o,
};
}
}
} else {
return Err(ShellError::labeled_error(
format!(
"Copy aborted. (Does {:?} exist?)",
&destination.file_name().unwrap()
),
format!(
"Copy aborted. (Does {:?} exist?)",
&destination.file_name().unwrap()
),
args.nth(1).unwrap().span(),
));
}
}
match std::fs::copy(source, destination) {
Err(_error) => Err(ShellError::string("can not copy file")),
Ok(_) => Ok(OutputStream::empty()),
}*/
Ok(OutputStream::empty())
}
#[cfg(test)]
mod tests {
use super::{FileStructure, Res};
use std::path::PathBuf;
fn fixtures() -> PathBuf {
let mut sdx = PathBuf::new();
sdx.push("tests");
sdx.push("fixtures");
sdx.push("formats");
dunce::canonicalize(sdx).unwrap()
}
#[test]
fn prepares_and_decorates_source_files_for_copying() {
let mut res = FileStructure::new();
res.walk_decorate(fixtures().as_path());
assert_eq!(
res.resources,
vec![
Res {
loc: fixtures().join("appveyor.yml"),
at: 0
},
Res {
loc: fixtures().join("caco3_plastics.csv"),
at: 0
},
Res {
loc: fixtures().join("cargo_sample.toml"),
at: 0
},
Res {
loc: fixtures().join("jonathan.xml"),
at: 0
},
Res {
loc: fixtures().join("sample.ini"),
at: 0
},
Res {
loc: fixtures().join("sgml_description.json"),
at: 0
}
]
);
}
}

1
src/commands/mkdir.rs
View File

@@ -34,7 +34,6 @@ impl Command for Mkdir {
pub fn mkdir(args: CommandArgs) -> Result<OutputStream, ShellError> {
let env = args.env.lock().unwrap();
let path = env.path.to_path_buf();
let cwd = path.clone();
let mut full_path = PathBuf::from(path);
match &args.nth(0) {

2
src/commands/rm.rs
View File

@@ -61,7 +61,7 @@ pub fn rm(args: CommandArgs) -> Result<OutputStream, ShellError> {
if !args.has("recursive") {
return Err(ShellError::labeled_error(
"is a directory",
"",
"is a directory",
args.call_info.name_span,
));
}