Commit 19d2632

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do not overwrite unconditionally

1 parent 77bfaff commit 19d2632Copy full SHA for 19d2632

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+186

-9

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+186

-9

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Original file line number	Diff line number	Diff line change
`@@ -1,17 +1,20 @@`
`1`		`-use std::{env,fs, process};`
	`1`	`+use std::{fs, path::PathBuf};`
`2`	`2`
`3`	`3`	`use anyhow::Result;`
	`4`	`+use clap::Parser;`
`4`	`5`	`use ignore::Walk;`
`5`	`6`	`use regex::Regex;`
`6`	`7`
	`8`	`+#[derive(Parser)]`
	`9`	`+struct Cli {`
	`10`	`+ root_dir: PathBuf,`
	`11`	`+ #[arg(long)]`
	`12`	`+ overwrite: bool,`
	`13`	`+}`
	`14`	`+`
`7`	`15`	`fn main() -> Result<()> {`
`8`		`- let mut args = env::args();`
`9`		`- if args.len() == 1 {`
`10`		`- eprintln!("error: expected root Markdown directory as CLI argument");`
`11`		`- process::exit(1);`
`12`		`- }`
`13`		`- let root_dir = args.nth(1).unwrap();`
`14`		`- for result in Walk::new(root_dir) {`
	`16`	`+ let cli = Cli::parse();`
	`17`	`+ for result in Walk::new(cli.root_dir) {`
`15`	`18`	`let entry = result?;`
`16`	`19`	`if entry.file_type().expect("no stdin").is_dir() {`
`17`	`20`	`continue;`
`@@ -27,7 +30,15 @@ fn main() -> Result<()> {`
`27`	`30`	`let old = fs::read_to_string(path)?;`
`28`	`31`	`let new = comply(&old)?;`
`29`	`32`	`if new != old {`
`30`		`- fs::write(path, new)?;`
	`33`	`+ if cli.overwrite {`
	`34`	`+ fs::write(path, new)?;`
	`35`	`+ } else {`
	`36`	`+ println!("{}:", path.display());`
	`37`	`+ println!("{new}");`
	`38`	`+ println!();`
	`39`	`+ println!("---");`
	`40`	`+ println!();`
	`41`	`+ }`
`31`	`42`	`}`
`32`	`43`	`}`
`33`	`44`	`Ok(())`

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