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mdbook-spec: Fix Spec::new creation #1658

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merged 2 commits into from
Oct 22, 2024
Merged

mdbook-spec: Fix Spec::new creation #1658

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6479450
mdbook-spec: Fix Spec::new visibility
ehuss Oct 21, 2024
f9132d9
Add ability to set the rust root directory via the API
ehuss Oct 21, 2024
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13 changes: 10 additions & 3 deletions mdbook-spec/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ static ADMONITION_RE: Lazy<Regex> = Lazy::new(|| {
});

pub fn handle_preprocessing() -> Result<(), Error> {
let pre = Spec::new()?;
let pre = Spec::new(None)?;
let (ctx, book) = CmdPreprocessor::parse_input(io::stdin())?;

let book_version = Version::parse(&ctx.mdbook_version)?;
Expand Down Expand Up @@ -57,9 +57,16 @@ pub struct Spec {
}

impl Spec {
fn new() -> Result<Spec> {
/// Creates a new `Spec` preprocessor.
///
/// The `rust_root` parameter specifies an optional path to the root of
/// the rust git checkout. If `None`, it will use the `SPEC_RUST_ROOT`
/// environment variable. If the root is not specified, then no tests will
/// be linked unless `SPEC_DENY_WARNINGS` is set in which case this will
/// return an error..
pub fn new(rust_root: Option<PathBuf>) -> Result<Spec> {
let deny_warnings = std::env::var("SPEC_DENY_WARNINGS").as_deref() == Ok("1");
let rust_root = std::env::var_os("SPEC_RUST_ROOT").map(PathBuf::from);
let rust_root = rust_root.or_else(|| std::env::var_os("SPEC_RUST_ROOT").map(PathBuf::from));
if deny_warnings && rust_root.is_none() {
bail!("SPEC_RUST_ROOT environment variable must be set");
}
Expand Down