Revert "ci: disable mdbook-linkcheck"

This reverts commit bef0fa29ac and
bb2d45d0aa.

refs: https://github.com/Michael-F-Bryan/mdbook-linkcheck/issues/53

.github/workflows/pages.yml

@@ -33,7 +33,7 @@ jobs:
         run: |
           mkdir -p ~/mdbook-bin
           (test -x ~/mdbook-bin/mdbook || (cd && cargo install --vers "^0.4" mdbook && cp -p ~/.cargo/bin/mdbook ~/mdbook-bin))
-          #(test -x ~/mdbook-bin/mdbook-linkcheck || (cd && cargo install mdbook-linkcheck && cp -p ~/.cargo/bin/mdbook-linkcheck ~/mdbook-bin))
+          (test -x ~/mdbook-bin/mdbook-linkcheck || (cd && cargo install mdbook-linkcheck && cp -p ~/.cargo/bin/mdbook-linkcheck ~/mdbook-bin))
       - name: Build
         run: |
           source $HOME/.cargo/env
@@ -44,7 +44,7 @@ jobs:
         uses: crazy-max/ghaction-github-pages@v2
         with:
           target_branch: gh-pages
-          build_dir: gh_pages
+          build_dir: gh_pages/html
           keep_history: true
           allow_empty_commit: false
         env:

ci/build-docs.sh

@@ -5,5 +5,5 @@ python3 ci/subst-release-info.py || exit 1
 python3 ci/generate-docs.py || exit 1
 mdbook build docs
 
-cp assets/icon/terminal.png gh_pages/favicon.png
-cp assets/icon/wezterm-icon.svg gh_pages/favicon.svg
+cp assets/icon/terminal.png gh_pages/html/favicon.png
+cp assets/icon/wezterm-icon.svg gh_pages/html/favicon.svg

docs/book.toml

@@ -13,5 +13,5 @@ default-theme = "ayu"
 preferred-dark-theme = "ayu"
 git-repository-url = "https://github.com/wez/wezterm"
 
-#[output.linkcheck]
-#traverse-parent-directories = false
+[output.linkcheck]
+traverse-parent-directories = false