Fix warning

This commit is contained in:
JT
2021-10-16 07:39:36 +13:00
9 changed files with 173 additions and 4 deletions

View File

@ -1,6 +1,7 @@
use std::env::current_dir;
use std::path::PathBuf;
use super::interactive_helper::get_confirmation;
use nu_engine::CallExt;
use nu_path::canonicalize_with;
use nu_protocol::ast::Call;
@ -11,6 +12,7 @@ use crate::filesystem::util::FileStructure;
pub struct Cp;
#[allow(unused_must_use)]
impl Command for Cp {
fn name(&self) -> &str {
"cp"
@ -29,6 +31,8 @@ impl Command for Cp {
"copy recursively through subdirectories",
Some('r'),
)
.switch("force", "suppress error when no file", Some('f'))
.switch("interactive", "ask user to confirm action", Some('i'))
}
fn run(
@ -39,12 +43,14 @@ impl Command for Cp {
) -> Result<Value, ShellError> {
let source: String = call.req(context, 0)?;
let destination: String = call.req(context, 1)?;
let interactive = call.has_flag("interactive");
let force = call.has_flag("force");
let path: PathBuf = current_dir().unwrap();
let source = path.join(source.as_str());
let destination = path.join(destination.as_str());
let sources =
let mut sources =
glob::glob(&source.to_string_lossy()).map_or_else(|_| Vec::new(), Iterator::collect);
if sources.is_empty() {
return Err(ShellError::FileNotFound(call.positional[0].span));
@ -68,6 +74,38 @@ impl Command for Cp {
));
}
if interactive && !force {
let mut remove: Vec<usize> = vec![];
for (index, file) in sources.iter().enumerate() {
let prompt = format!(
"Are you shure that you want to copy {} to {}?",
file.as_ref()
.unwrap()
.file_name()
.unwrap()
.to_str()
.unwrap(),
destination.file_name().unwrap().to_str().unwrap()
);
let input = get_confirmation(prompt)?;
if !input {
remove.push(index);
}
}
remove.reverse();
for index in remove {
sources.remove(index);
}
if sources.is_empty() {
return Err(ShellError::NoFileToBeCopied());
}
}
for entry in sources.into_iter().flatten() {
let mut sources = FileStructure::new();
sources.walk_decorate(&entry)?;

View File

@ -0,0 +1,26 @@
use dialoguer::Input;
use std::error::Error;
pub fn get_confirmation(prompt: String) -> Result<bool, Box<dyn Error>> {
let input = Input::new()
.with_prompt(prompt)
.validate_with(|c_input: &String| -> Result<(), String> {
if c_input.len() == 1
&& (c_input == "y" || c_input == "Y" || c_input == "n" || c_input == "N")
{
Ok(())
} else if c_input.len() > 1 {
Err("Enter only one letter (Y/N)".to_string())
} else {
Err("Input not valid".to_string())
}
})
.default("Y/N".into())
.interact_text()?;
if input == "y" || input == "Y" {
Ok(true)
} else {
Ok(false)
}
}

View File

@ -1,5 +1,6 @@
mod cd;
mod cp;
mod interactive_helper;
mod ls;
mod mkdir;
mod mv;

View File

@ -1,6 +1,7 @@
use std::env::current_dir;
use std::path::{Path, PathBuf};
use super::interactive_helper::get_confirmation;
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
@ -8,6 +9,7 @@ use nu_protocol::{ShellError, Signature, SyntaxShape, Value};
pub struct Mv;
#[allow(unused_must_use)]
impl Command for Mv {
fn name(&self) -> &str {
"mv"
@ -29,6 +31,8 @@ impl Command for Mv {
SyntaxShape::Filepath,
"the location to move files/directories to",
)
.switch("interactive", "ask user to confirm action", Some('i'))
.switch("force", "suppress error when no file", Some('f'))
}
fn run(
@ -40,6 +44,8 @@ impl Command for Mv {
// TODO: handle invalid directory or insufficient permissions when moving
let source: String = call.req(context, 0)?;
let destination: String = call.req(context, 1)?;
let interactive = call.has_flag("interactive");
let force = call.has_flag("force");
let path: PathBuf = current_dir().unwrap();
let source = path.join(source.as_str());
@ -54,6 +60,38 @@ impl Command for Mv {
));
}
if interactive && !force {
let mut remove: Vec<usize> = vec![];
for (index, file) in sources.iter().enumerate() {
let prompt = format!(
"Are you shure that you want to move {} to {}?",
file.as_ref()
.unwrap()
.file_name()
.unwrap()
.to_str()
.unwrap(),
destination.file_name().unwrap().to_str().unwrap()
);
let input = get_confirmation(prompt)?;
if !input {
remove.push(index);
}
}
remove.reverse();
for index in remove {
sources.remove(index);
}
if sources.is_empty() {
return Err(ShellError::NoFileToBeMoved());
}
}
if (destination.exists() && !destination.is_dir() && sources.len() > 1)
|| (!destination.exists() && sources.len() > 1)
{

View File

@ -3,6 +3,8 @@ use std::env::current_dir;
use std::os::unix::prelude::FileTypeExt;
use std::path::PathBuf;
use super::interactive_helper::get_confirmation;
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
@ -44,6 +46,7 @@ impl Command for Rm {
)
.switch("recursive", "delete subdirectories recursively", Some('r'))
.switch("force", "suppress error when no file", Some('f'))
.switch("interactive", "ask user to confirm action", Some('i'))
.rest(
"rest",
SyntaxShape::GlobPattern,
@ -64,6 +67,7 @@ impl Command for Rm {
fn rm(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
let trash = call.has_flag("trash");
let permanent = call.has_flag("permanent");
let interactive = call.has_flag("interactive");
if trash && permanent {
return Err(ShellError::IncompatibleParametersSingle(
@ -122,6 +126,32 @@ fn rm(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
let recursive = call.has_flag("recursive");
let force = call.has_flag("force");
if interactive && !force {
let mut remove: Vec<usize> = vec![];
for (index, file) in targets.iter().enumerate() {
let prompt: String = format!(
"Are you sure that you what to delete {}?",
file.1.file_name().unwrap().to_str().unwrap()
);
let input = get_confirmation(prompt)?;
if !input {
remove.push(index);
}
}
remove.reverse();
for index in remove {
targets.remove(index);
}
if targets.is_empty() {
return Err(ShellError::NoFileToBeRemoved());
}
}
let args = RmArgs {
targets,
recursive,

View File

@ -3,7 +3,7 @@ use std::rc::Rc;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, Span, Value, ValueStream};
use nu_protocol::{ShellError, Signature, Value, ValueStream};
pub struct Lines;