Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 21 insertions, 18 deletions

diff --git a/vendor/mdbook/src/preprocess/cmd.rs b/vendor/mdbook/src/preprocess/cmd.rs
index c47fd5d22..149dabda5 100644
--- a/vendor/mdbook/src/preprocess/cmd.rs
+++ b/vendor/mdbook/src/preprocess/cmd.rs
@@ -1,6 +1,7 @@
 use super::{Preprocessor, PreprocessorContext};
 use crate::book::Book;
 use crate::errors::*;
+use log::{debug, trace, warn};
 use shlex::Shlex;
 use std::io::{self, Read, Write};
 use std::process::{Child, Command, Stdio};
diff --git a/vendor/mdbook/src/preprocess/index.rs b/vendor/mdbook/src/preprocess/index.rs
index fd60ad4da..004b7eda6 100644
--- a/vendor/mdbook/src/preprocess/index.rs
+++ b/vendor/mdbook/src/preprocess/index.rs
@@ -1,10 +1,11 @@
 use regex::Regex;
 use std::path::Path;
 
-use crate::errors::*;
-
 use super::{Preprocessor, PreprocessorContext};
 use crate::book::{Book, BookItem};
+use crate::errors::*;
+use log::warn;
+use once_cell::sync::Lazy;
 
 /// A preprocessor for converting file name `README.md` to `index.md` since
 /// `README.md` is the de facto index file in markdown-based documentation.
@@ -67,9 +68,8 @@ fn warn_readme_name_conflict<P: AsRef<Path>>(readme_path: P, index_path: P) {
 }
 
 fn is_readme_file<P: AsRef<Path>>(path: P) -> bool {
-    lazy_static! {
-        static ref RE: Regex = Regex::new(r"(?i)^readme$").unwrap();
-    }
+    static RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"(?i)^readme$").unwrap());
+
     RE.is_match(
         path.as_ref()
             .file_stem()
diff --git a/vendor/mdbook/src/preprocess/links.rs b/vendor/mdbook/src/preprocess/links.rs
index 7ca6fd345..c2c81f522 100644
--- a/vendor/mdbook/src/preprocess/links.rs
+++ b/vendor/mdbook/src/preprocess/links.rs
@@ -10,6 +10,8 @@ use std::path::{Path, PathBuf};
 
 use super::{Preprocessor, PreprocessorContext};
 use crate::book::{Book, BookItem};
+use log::{error, warn};
+use once_cell::sync::Lazy;
 
 const ESCAPE_CHAR: char = '\\';
 const MAX_LINK_NESTED_DEPTH: usize = 10;
@@ -408,19 +410,20 @@ impl<'a> Iterator for LinkIter<'a> {
 fn find_links(contents: &str) -> LinkIter<'_> {
     // lazily compute following regex
     // r"\\\{\{#.*\}\}|\{\{#([a-zA-Z0-9]+)\s*([^}]+)\}\}")?;
-    lazy_static! {
-        static ref RE: Regex = Regex::new(
+    static RE: Lazy<Regex> = Lazy::new(|| {
+        Regex::new(
             r"(?x)              # insignificant whitespace mode
-            \\\{\{\#.*\}\}      # match escaped link
-            |                   # or
-            \{\{\s*             # link opening parens and whitespace
-            \#([a-zA-Z0-9_]+)   # link type
-            \s+                 # separating whitespace
-            ([^}]+)             # link target path and space separated properties
-            \}\}                # link closing parens"
+        \\\{\{\#.*\}\}      # match escaped link
+        |                   # or
+        \{\{\s*             # link opening parens and whitespace
+        \#([a-zA-Z0-9_]+)   # link type
+        \s+                 # separating whitespace
+        ([^}]+)             # link target path and space separated properties
+        \}\}                # link closing parens",
         )
-        .unwrap();
-    }
+        .unwrap()
+    });
+
     LinkIter(RE.captures_iter(contents))
 }
 
diff --git a/vendor/mdbook/src/preprocess/mod.rs b/vendor/mdbook/src/preprocess/mod.rs
index 894e20035..df01a3dbf 100644
--- a/vendor/mdbook/src/preprocess/mod.rs
+++ b/vendor/mdbook/src/preprocess/mod.rs
@@ -12,12 +12,11 @@ use crate::book::Book;
 use crate::config::Config;
 use crate::errors::*;
 
+use serde::{Deserialize, Serialize};
 use std::cell::RefCell;
 use std::collections::HashMap;
 use std::path::PathBuf;
 
-use serde::{Deserialize, Serialize};
-
 /// Extra information for a `Preprocessor` to give them more context when
 /// processing a book.
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]