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Make ls show only the file name (#1276)

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* Make ls show only the file name

* Refactor and remove unwraps

* Put functionality in separate flag
This commit is contained in:
Shaurya Shubham 2020-01-25 21:50:33 +05:30 committed by Jonathan Turner
parent 583f27dc41
commit 4429a75e17
2 changed files with 35 additions and 4 deletions
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3
src/commands/ls.rs
View File

@ -11,6 +11,8 @@ pub struct Ls;
pub struct LsArgs {
pub path: Option<Tagged<PathBuf>>,
pub full: bool,
#[serde(rename = "short-names")]
pub short_names: bool,
}
impl PerItemCommand for Ls {
@ -26,6 +28,7 @@ impl PerItemCommand for Ls {
"a path to get the directory contents from",
)
.switch("full", "list all available columns for each entry")
.switch("short-names", "only print the file names and not the path")
}
fn usage(&self) -> &str {

36
src/shell/filesystem_shell.rs
View File

@ -88,7 +88,11 @@ impl Shell for FilesystemShell {
fn ls(
&self,
LsArgs { path, full }: LsArgs,
LsArgs {
path,
full,
short_names,
}: LsArgs,
context: &RunnablePerItemContext,
) -> Result<OutputStream, ShellError> {
let cwd = self.path();
@ -144,12 +148,24 @@ impl Shell for FilesystemShell {
if let Ok(entry) = entry {
let filepath = entry.path();
if let Ok(metadata) = std::fs::symlink_metadata(&filepath) {
let filename = if let Ok(fname) = filepath.strip_prefix(&cwd) {
let mut filename = if let Ok(fname) = filepath.strip_prefix(&cwd) {
fname
} else {
Path::new(&filepath)
};
if short_names {
filename = if let Some(fname) = filename.file_name() {
Path::new(fname)
} else {
let fname = filename
.file_name()
.or_else(|| Path::new(filename).file_name())
.unwrap_or(filename.as_os_str());
Path::new(fname)
}
}
let value = dir_entry_dict(filename, &metadata, &name_tag, full)?;
yield ReturnSuccess::value(value);
}
@ -183,12 +199,24 @@ impl Shell for FilesystemShell {
}
if let Ok(entry) = entry {
if let Ok(metadata) = std::fs::symlink_metadata(&entry) {
let filename = if let Ok(fname) = entry.strip_prefix(&cwd) {
let mut filename = if let Ok(fname) = entry.strip_prefix(&cwd) {
fname
} else {
Path::new(&entry)
Path::new(&entry)
};
if short_names {
filename = if let Some(fname) = filename.file_name() {
Path::new(fname)
} else {
let fname = filename
.file_name()
.or_else(|| Path::new(filename).file_name())
.unwrap_or(filename.as_os_str());
Path::new(fname)
}
}
if let Ok(value) = dir_entry_dict(filename, &metadata, &name_tag, full) {
yield ReturnSuccess::value(value);
}