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Added user prompting and a --force argument. Closes #35

This commit is contained in:
Mathieu David 2015-08-11 16:42:19 +02:00
parent 835c61c7f3
commit 5b487a03fc
1 changed files with 25 additions and 9 deletions
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26
src/bin/mdbook.rs
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@ -26,7 +26,8 @@ fn main() {
.about("Create boilerplate structure and files in the directory")
// the {n} denotes a newline which will properly aligned in all help messages
.arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory when ommitted)'")
.arg_from_usage("--theme 'Copies the default theme into your source folder'"))
.arg_from_usage("--theme 'Copies the default theme into your source folder'")
.arg_from_usage("--force 'skip confirmation prompts'"))
.subcommand(SubCommand::with_name("build")
.about("Build the book from the markdown files")
.arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory when ommitted)'"))
@ -47,6 +48,16 @@ fn main() {
}
}
fn confirm() -> bool {
io::stdout().flush().unwrap();
let mut s = String::new();
io::stdin().read_line(&mut s).ok();
match &*s.trim() {
"Y" | "y" | "yes" | "Yes" => true,
_ => false
}
}
fn init(args: &ArgMatches) -> Result<(), Box<Error>> {
let book_dir = get_book_dir(args);
@ -58,18 +69,23 @@ fn init(args: &ArgMatches) -> Result<(), Box<Error>> {
// If flag `--theme` is present, copy theme to src
if args.is_present("theme") {
// Skip this id `--force` is present
if !args.is_present("force") {
// Print warning
print!("\nCopying the default theme to {:?}", book.get_src());
println!("could potentially overwrite files already present in that directory.");
print!("\nAre you sure you want to continue? (y/n) ");
// Read answer from user
// Joke while I don't read user response, has to be deleted when merged into master !!!
println!("\n\nI am doing it anyways... (at the moment)");
// Read answer from user and exit if it's not 'yes'
if !confirm() {
println!("\nexiting...\n");
::std::process::exit(0);
}
}
// Call the function that copies the theme
try!(book.copy_theme());
println!("\nTheme copied.");
println!("");
}