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use std::env;
use std::fs;
use std::path::Path;
use std::process::Command;
use crate::khline::KhLine;
use crate::KhResult;
use crate::utils::stdioutils;
pub fn edit_loop(path: &Path) -> KhResult<()> {
loop {
edit_file(path)?;
let edited_cal = KhLine::new(path, None).to_cal()?;
if let Some(errors) = edited_cal.check_for_errors() {
if !ask_continue_editing(&errors) {
return Err("editing aborted by user")?;
}
} else {
return Ok(());
}
}
}
fn edit_file(path: &Path) -> KhResult<()> {
if cfg!(test) { return Ok(()) };
let editor = env::var("EDITOR").unwrap_or_else(|_| "vim".to_string());
Command::new(&editor)
.arg(path.as_os_str())
.stdin(fs::File::open("/dev/tty").unwrap())
.status()?;
Ok(())
}
fn ask_continue_editing(error: &[String]) -> bool {
println!("Calendar contains errors:\n{}", error.join("\n"));
println!("Continue editing? y/n:");
match stdioutils::read_single_char_from_stdin().unwrap() {
'y' => true,
_ => false
}
}
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