use mdbook::book::Book;
use mdbook::errors::Error;
use mdbook::preprocess::{CmdPreprocessor, Preprocessor, PreprocessorContext};
+use semver::{Version, VersionReq};
use std::io;
use std::process;
fn handle_preprocessing(pre: &dyn Preprocessor) -> Result<(), Error> {
let (ctx, book) = CmdPreprocessor::parse_input(io::stdin())?;
- if ctx.mdbook_version != mdbook::MDBOOK_VERSION {
- // We should probably use the `semver` crate to check compatibility
- // here...
+ let book_version = Version::parse(&ctx.mdbook_version)?;
+ let version_req = VersionReq::parse(mdbook::MDBOOK_VERSION)?;
+
+ if version_req.matches(&book_version) != true {
eprintln!(
"Warning: The {} plugin was built against version {} of mdbook, \
but we're being called from version {}",