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Commit 60d53e09 authored by Simon Sapin's avatar Simon Sapin
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Initial CLI argument parsing, and confirmation prompt

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1 merge request!1Initial implementation
......@@ -3,5 +3,107 @@
version = 3
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......@@ -6,2 +108,181 @@
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......@@ -8,3 +8,5 @@
rust-version = "1.56"
[dependencies]
dialoguer = { version = "0.9", default-features = false }
structopt = "0.3"
use dialoguer::console::style;
use dialoguer::Confirm;
use structopt::StructOpt;
#[derive(StructOpt)]
enum Args {
NewDataset { directory: String },
}
type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
fn new_dataset(directory: String) -> Result<()> {
println!(
"Creating a dataset from directory {}",
style(&directory).bold()
);
if !std::fs::metadata(&directory)?.is_dir() {
Err("Not a directory")?
}
let proceed = Confirm::new()
.with_prompt("Continue?")
.default(false)
.interact()?;
if !proceed {
Err("")?
}
// TODO
Ok(())
}
fn main() {
......@@ -1,3 +31,15 @@
fn main() {
println!("Hello, world!");
let result = match Args::from_args() {
Args::NewDataset { directory } => new_dataset(directory),
};
match result {
Ok(()) => {}
Err(error) => {
let message = error.to_string();
if !message.is_empty() {
eprintln!("{}", message)
}
std::process::exit(1)
}
}
}
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