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Prevent failure in case no space left on device in rustdoc

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GuillaumeGomez committed Apr 5, 2019
1 parent 4eff852 commit feb5a53266902d9c66bf9e5ef5e28fe1534a01a9
Showing with 4 additions and 3 deletions.
  1. +4 −3 src/librustdoc/html/render.rs
@@ -1358,7 +1358,8 @@ fn write_minify_replacer<W: Write>(
/// static HTML tree. Each component in the cleaned path will be passed as an
/// argument to `f`. The very last component of the path (ie the file name) will
/// be passed to `f` if `keep_filename` is true, and ignored otherwise.
fn clean_srcpath<F>(src_root: &Path, p: &Path, keep_filename: bool, mut f: F) where
fn clean_srcpath<F>(src_root: &Path, p: &Path, keep_filename: bool, mut f: F)
where
F: FnMut(&OsStr),
{
// make it relative, if possible
@@ -1470,11 +1471,11 @@ impl<'a> SourceCollector<'a> {
let mut href = String::new();
clean_srcpath(&self.scx.src_root, &p, false, |component| {
cur.push(component);
fs::create_dir_all(&cur).unwrap();
root_path.push_str("../");
href.push_str(&component.to_string_lossy());
href.push('/');
});
fs::create_dir_all(&cur)?;
let mut fname = p.file_name()
.expect("source has no filename")
.to_os_string();
@@ -1483,7 +1484,7 @@ impl<'a> SourceCollector<'a> {
href.push_str(&fname.to_string_lossy());

let mut w = BufWriter::new(File::create(&cur)?);
let title = format!("{} -- source", cur.file_name().unwrap()
let title = format!("{} -- source", cur.file_name().expect("failed to get file name")
.to_string_lossy());
let desc = format!("Source to the Rust file `{}`.", filename);
let page = layout::Page {

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