feat: fix broken links (hyperium#81)

A few links were broken by not having their underscores replaced with hyphens, meaning they weren't matching the filenames.

Author: oddgrd

.github/workflows/contrib.yml

@@ -29,8 +29,8 @@ jobs:
       - name: Copy CONTRIBUTING.md into docs
         run: |
           sed -i -e 's|./docs/||g' hyper/CONTRIBUTING.md
-          cp -a hyper/CONTRIBUTING.md hyper/docs
-      
+          cp -a hyper/CONTRIBUTING.md hyper/docs/CONTRIBUTING.md
+
       # Insert frontmatter borders, replace markdown header with
       # frontmatter title and insert layout: guide
       - name: Convert doc titles to frontmatter 
@@ -49,23 +49,34 @@ jobs:
           sed -i -e '4i permalink: /contrib/' hyper/docs/README.md
           mv hyper/docs/README.md hyper/docs/index.md
 
-      # Lowercase the internal links so they will correctly point to
-      # the lowercased filenames.
+
+      # Lowercase the internal links and replace underscores with
+      # hyphens, so they will point to the correct file.
       - name: Lowercase internal links
         run: |
           for filename in hyper/docs/*.md; do
             # cut `.md` from the filename before search and replace
             filename=${filename::-3};
 
             for file in hyper/docs/*.md; do
+              # filename without parent path
+              filename=${filename##*/}
+
               # don't lowercase MSRV
-              if [[ "${filename##*/}" == 'MSRV' ]]; then
+              if [[ "${filename}" == 'MSRV' ]]; then
                 continue
               fi
 
-              # match instances of only the filename, not including
-              # the parent path, and convert them to lowercase
-              sed -i -e "s|${filename##*/}|\L\0|g" $file;
+              # lowercase filenames
+              sed -i -e "s|${filename}|${filename,,}|g" $file;
+
+              # match on the lowercased filename from here on
+              lowercased=${filename,,}
+
+              hyphenated=${lowercased//_/-}
+
+              # replace underscores in internal links with hyphens
+              sed -i -e "s|${lowercased}|${hyphenated}|g" $file;
             done
           done
 
@@ -75,7 +86,7 @@ jobs:
             mv -vn "$f" "$(echo "$f" | tr '[:upper:]' '[:lower:]' | tr '_' '-')"; 
           done
 
-      - name: Copy docs to contrib
+      - name: Copy the hyper docs to contrib
         run: |  
           mkdir -p _contrib
           cp -a hyper/docs/. _contrib/

_contrib/contributing.md

@@ -8,7 +8,7 @@ You want to contribute? You're awesome! Don't know where to start? Check the [li
 [easy tag]: https://github.com/hyperium/hyper/issues?q=label%3AE-easy+is%3Aopen
 
 
-## [Pull Requests](pull_requests.md)
+## [Pull Requests](pull-requests.md)
 
-- [Submitting a Pull Request](pull_requests.md#submitting-a-pull-request)
+- [Submitting a Pull Request](pull-requests.md#submitting-a-pull-request)
 - [Commit Guidelines](commits.md)

_contrib/governance.md

@@ -109,6 +109,6 @@ Maintainers are the project admins. Besides being a collaborator, they take care
 of house-keeping duties, help lead the direction, and have the final authority when
 required.
 
-[coc]: ./code_of_conduct.md
+[coc]: ./code-of-conduct.md
 [contrib]: ../contributing.md
 [triage-guide]: ./issues.md#triaging

_contrib/issues.md

@@ -112,6 +112,6 @@ The severity marks how _severe_ the issue is. Note this isn't "importance" or "p
 - **S-refactor**: improve internal code to help readability and maintenance.
 
 [issues]: https://github.com/hyperium/hyper/issues
-[COC]: ./code_of_conduct.md
-[PRs]: ./pull_requests.md
+[COC]: ./code-of-conduct.md
+[PRs]: ./pull-requests.md
 [MRE]: https://en.wikipedia.org/wiki/Minimal_reproducible_example

_contrib/tenets.md

@@ -20,7 +20,7 @@ community building and using it. All contributions are in the open. We don't
 maintain private versions, and don't include features that aren't useful to
 others.
 
-[We prioritize kindness](./code_of_conduct.md), compassion and empathy towards all
+[We prioritize kindness](./code-of-conduct.md), compassion and empathy towards all
 contributors. Technical skill is not a substitute for human decency.
 
 ### Examples