Move changelog to the cargo book

Due to rendering limits with GitHub's markdown renderer, we're moving
the changelog to the cargo book where it can be statically served under
our control.

.github/workflows/contrib.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Install mdbook
       run: |
         mkdir mdbook
-        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.40/mdbook-v0.4.40-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.44/mdbook-v0.4.44-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
     - name: Deploy docs
       run: |

.github/workflows/main.yml

@@ -261,7 +261,7 @@ jobs:
     - name: Install mdbook
       run: |
         mkdir mdbook
-        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.40/mdbook-v0.4.40-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.44/mdbook-v0.4.44-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
     - run: cd src/doc && mdbook build --dest-dir ../../target/doc
     - name: Run linkchecker.sh

src/doc/book.toml

@@ -6,7 +6,12 @@ author = "Alex Crichton, Steve Klabnik and Carol Nichols, with contributions fro
 smart-punctuation = true # Enable smart-punctuation feature for more than quotes.
 git-repository-url = "https://github.com/rust-lang/cargo/tree/master/src/doc/src"
 edit-url-template = "https://github.com/rust-lang/cargo/edit/master/src/doc/{path}"
-search.use-boolean-and = true
+
+[output.html.search]
+use-boolean-and = true
+
+[output.html.search.chapter]
+"CHANGELOG.md" = { enable = false }
 
 [output.html.redirect]
 "/guide/build-cache.html" = "../reference/build-cache.html"

src/doc/contrib/src/process/release.md

@@ -183,7 +183,7 @@ The process here is similar to the beta-backporting process. The
 [choochoo]: https://doc.rust-lang.org/book/appendix-07-nightly-rust.html
 [rust-lang/rust]: https://github.com/rust-lang/rust/
 [rust-lang/cargo]: https://github.com/rust-lang/cargo/
-[CHANGELOG]: https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md
+[CHANGELOG]: https://github.com/rust-lang/cargo/blob/master/src/doc/src/CHANGELOG.md
 [release process]: https://forge.rust-lang.org/release/process.html
 [`TargetInfo`]: https://github.com/rust-lang/cargo/blob/master/src/cargo/core/compiler/build_context/target_info.rs
 [crates.io]: https://crates.io/

src/doc/contrib/src/process/security.md

@@ -131,6 +131,6 @@ Post release:
 [GHSA-r5w3-xm58-jv6j]: https://github.com/rust-lang/cargo/security/advisories/GHSA-r5w3-xm58-jv6j
 [handling reports]: https://github.com/rust-lang/wg-security-response/blob/main/docs/handling-reports.md
 [first-guide]: https://www.first.org/cvss/user-guide
-[`CHANGELOG.md`]: https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md
+[`CHANGELOG.md`]: https://github.com/rust-lang/cargo/blob/master/src/doc/src/CHANGELOG.md
 [`Cargo.toml`]: https://github.com/rust-lang/cargo/blob/master/Cargo.toml
 [`RELEASES.md`]: https://github.com/rust-lang/rust/blob/master/RELEASES.md

src/doc/src/SUMMARY.md

@@ -97,5 +97,6 @@
     * [Deprecated and Removed](commands/deprecated-and-removed.md)
 
 * [FAQ](faq.md)
+* [Changelog](CHANGELOG.md)
 * [Appendix: Glossary](appendix/glossary.md)
 * [Appendix: Git Authentication](appendix/git-authentication.md)

src/doc/src/index.md

@@ -34,7 +34,7 @@ The commands will let you interact with Cargo using its command-line interface.
 * [Git Authentication](appendix/git-authentication.md)
 
 **Other Documentation:**
-* [Changelog](https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md)
+* [Changelog](CHANGELOG.md)
   --- Detailed notes about changes in Cargo in each release.
 * [Rust documentation website](https://doc.rust-lang.org/) --- Links to official
   Rust documentation and tools.