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Implement new 'no-create' build flag.

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Fixes https://github.com/azerupi/mdBook/issues/253.
This commit is contained in:
Corey Farwell 2017-04-17 21:53:27 -04:00
parent 9602acce80
commit c6e81337fb
2 changed files with 13 additions and 0 deletions
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5
src/bin/mdbook.rs
View file

@ -63,6 +63,7 @@ fn main() {
.about("Build the book from the markdown files")
.arg_from_usage("-o, --open 'Open the compiled book in a web browser'")
.arg_from_usage("-d, --dest-dir=[dest-dir] 'The output directory for your book{n}(Defaults to ./book when omitted)'")
.arg_from_usage("--no-create 'Will not create non-existent files linked from SUMMARY.md'")
.arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'"))
.subcommand(SubCommand::with_name("watch")
.about("Watch the files for changes")
@ -174,6 +175,10 @@ fn build(args: &ArgMatches) -> Result<(), Box<Error>> {
None => book
};
if args.is_present("no-create") {
book.create_missing = false;
}
try!(book.build());
if args.is_present("open") {

8
src/book/mod.rs
View file

@ -32,6 +32,10 @@ pub struct MDBook {
renderer: Box<Renderer>,
livereload: Option<String>,
/// Should `mdbook build` create files referenced from SUMMARY.md if they
/// don't exist
pub create_missing: bool,
}
impl MDBook {
@ -79,6 +83,7 @@ impl MDBook {
renderer: Box::new(HtmlHandlebars::new()),
livereload: None,
create_missing: true,
}
}
@ -183,6 +188,9 @@ impl MDBook {
let path = self.src.join(&ch.path);
if !path.exists() {
if !self.create_missing {
return Err(format!("'{}' referenced from SUMMARY.md does not exist.", path.to_string_lossy()).into());
}
debug!("[*]: {:?} does not exist, trying to create file", path);
try!(::std::fs::create_dir_all(path.parent().unwrap()));
let mut f = try!(File::create(path));