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Krusty/Benediction
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| use std::path::Path; | ||
|
|
||
| use cpclib_common::{clap::{self, Arg, ArgAction}, itertools::Itertools}; | ||
|
|
||
| use super::Runner; | ||
| use crate::{built_info, expand_glob, task::CP_CMDS}; | ||
|
|
||
| #[derive(Default)] | ||
| pub struct CpRunner {} | ||
|
|
||
| impl CpRunner { | ||
| pub fn print_help(&self) { | ||
| clap::Command::new("cp") | ||
| .before_help("Copy files.") | ||
| .disable_help_flag(true) | ||
| .after_help(format!( | ||
| "Inner command of {} {}", | ||
| built_info::PKG_NAME, | ||
| built_info::PKG_VERSION | ||
| )) | ||
| .arg( | ||
| Arg::new("arguments") | ||
| .action(ArgAction::Append) | ||
| .help("Files to copy. Last one being the destination") | ||
| ) | ||
| .print_long_help() | ||
| .unwrap(); | ||
| } | ||
| } | ||
|
|
||
| impl Runner for CpRunner { | ||
| fn inner_run<S: AsRef<str>>(&self, itr: &[S]) -> Result<(), String> { | ||
| let mut errors = String::new(); | ||
|
|
||
| let fnames = itr | ||
| .iter() | ||
| .map(|s| s.as_ref()) | ||
| .map(expand_glob) | ||
| .flatten() | ||
| .collect_vec(); | ||
| let files = fnames.iter() | ||
| .map( |fname| Path::new(fname)) | ||
| .collect_vec(); | ||
| let dest = files.last(); | ||
|
|
||
| let copy = |from: &Path, to: &Path, error: &mut String| { | ||
| std::fs::copy(from, to) | ||
| .map_err(|e| error.push_str(&format!("Error when copying {} to {}. {}.\n", from.display(), to.display(), e.to_string()))); | ||
| }; | ||
|
|
||
| match files.len() { | ||
| 0 => { | ||
| errors.push_str("No source and destination provided\n"); | ||
| }, | ||
|
|
||
| 1 => { | ||
| errors.push_str("No source or destination provided\n"); | ||
| }, | ||
|
|
||
| 2 => { | ||
| let dest = dest.unwrap(); | ||
| let src = files.first().unwrap(); | ||
| let dest = if dest.is_dir() { | ||
| dest.join(src.file_name().unwrap()) | ||
| } else { | ||
| dest.to_path_buf() | ||
| }; | ||
| copy(src, &dest, &mut errors); | ||
| }, | ||
|
|
||
| _ => { | ||
| let dest = dest.unwrap(); | ||
| if ! dest.is_dir() { | ||
| errors.push_str(&format!("{} must be a directory.", dest.display())) | ||
| } else { | ||
| let files = &files[..files.len()-1]; | ||
| for src in files.iter() { | ||
| let dst = dest.join(src.file_name().unwrap()); | ||
| copy(src, &dst, &mut errors); | ||
| } | ||
| } | ||
| } | ||
| }; | ||
|
|
||
|
|
||
| if errors.is_empty() { | ||
| Ok(()) | ||
| } | ||
| else { | ||
| Err(errors) | ||
| } | ||
| } | ||
|
|
||
| fn get_command(&self) -> &'static str { | ||
| &CP_CMDS[0] | ||
| } | ||
| } | ||
|
|
||
|
|
||
| #[cfg(test)] | ||
| mod test { | ||
| use std::io::Write; | ||
|
|
||
| use crate::runners::{cp::CpRunner, Runner}; | ||
|
|
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| #[test] | ||
|
|
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| fn test_copy_successful() { | ||
| // prepare the files for the test | ||
| let mut src = tempfile::NamedTempFile::new().unwrap(); | ||
| let mut dst = tempfile::NamedTempFile::new().unwrap(); | ||
|
|
||
| src.as_file_mut().write("test".as_bytes()).unwrap(); | ||
|
|
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| let src = src.into_temp_path(); | ||
| let dst = dst.into_temp_path(); | ||
| std::fs::remove_file(&dst).unwrap(); | ||
|
|
||
| assert!(src.exists()); | ||
| assert!(!dst.exists()); | ||
|
|
||
| // Run the test | ||
| let cp = CpRunner::default(); | ||
| cp.inner_run(&[src.display().to_string(), dst.display().to_string()]).unwrap(); | ||
| assert!(dst.exists()); | ||
|
|
||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,20 @@ | ||
| use cpclib_common::itertools::Itertools; | ||
|
|
||
| use crate::task::ECHO_CMDS; | ||
|
|
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| use super::Runner; | ||
|
|
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| #[derive(Default)] | ||
| pub struct EchoRunner {} | ||
|
|
||
| impl Runner for EchoRunner { | ||
| fn inner_run(&self, itr: &[String]) -> Result<(), String> { | ||
| let txt = itr.iter().join(" "); | ||
| fn inner_run<S: AsRef<str>>(&self, itr: &[S]) -> Result<(), String> { | ||
| let txt = itr.iter().map(|s| s.as_ref()).join(" "); | ||
| println!("{txt}"); | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn get_command(&self) -> &str { | ||
| "echo" | ||
| &ECHO_CMDS[0] | ||
| } | ||
| } |
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