branchtransfer 0.1.0-DEV

A command line tool to transfer files between git branches
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

use std::{env::current_dir, io::ErrorKind, ops::Not, path::PathBuf};

use clap::Parser;

#[derive(Parser)]
#[command(version, about, long_about = None)]
struct Cli {
    /// Subdirectory to copy
    srcdir: String,
    /// Target branch
    #[arg(long, short)]
    branch: Option<String>,
    /// Commit message
    #[arg(long, short)]
    message: Option<String>,
    /// target (sub)directory
    #[arg(long, short)]
    trgdir: Option<String>,
}

pub(crate) fn parse_args() -> anyhow::Result<(PathBuf, String, String, String, String)> {
    let args = Cli::parse();
    let srcrel = args
        .srcdir
        .contains("..")
        .not()
        .then(|| args.srcdir)
        .ok_or_else(|| {
            std::io::Error::new(
                ErrorKind::InvalidInput,
                "Absoulute path must not contain '..'",
            )
        })?;
    let trgrel = match args.trgdir {
        Some(x) => x.contains("..").not().then(|| x).ok_or_else(|| {
            std::io::Error::new(
                ErrorKind::InvalidInput,
                "target rel path must not contain '..'",
            )
        })?,
        None => srcrel.clone(),
    };
    let branch = args.branch.unwrap_or_else(|| "gh-pages".to_string());

    let path = current_dir()?;
    let msg = args
        .message
        .unwrap_or_else(|| format!("Replacing the contents of {} with {}", trgrel, srcrel));
    Ok((path, srcrel, branch, trgrel, msg))
}