Bash script generates URLs for pa11y-ci from git diff

.gitignore

@@ -16,4 +16,5 @@ Gemfile.lock
 
 /container_gem_cache/
 /dist/
-/scripts/generate-related/data/
+/scripts/generate-related/data/
+/pa11y-ci-urls.js

generate_pa11y_ci_urls_from_git_diff.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Take in a base ref. Gets the files that have changed from the base to the HEAD.
+# Export the list as a CommonJS module for the pa11y-ci configuration to use.
+# Typical usage: generate_pa11y_ci_urls_from_git_diff.sh gh-pages > .pa11yci.js
+
+base_ref=$1
+if [ -z "$base_ref" ]; then
+  echo "No Git base ref provided. Usage: $0 <base_ref>"
+  exit 1
+fi
+
+changed_files=$(git diff --name-only $base_ref)
+
+echo -n "module.exports=[";
+for file in $changed_files; do
+  if [[ $file == _posts/* ]]; then
+    echo -n "'/$(./url_of_post.sh $file)',";
+  elif [[ $file == *.html && ! $file == _includes/* && ! $file == _layouts/* ]]; then
+    echo -n "'/$(./url_of_page.sh $file)',";
+  fi
+done
+echo -n "];";
+

url_of_page.sh

@@ -0,0 +1,2 @@
+echo $1 | sed "s/\(\/\?index\)\?\.html$//";
+

url_of_post.sh

@@ -0,0 +1,8 @@
+year="\([0-9][0-9][0-9][0-9]\)"
+month="\([0-9][0-9]\)"
+day="\([0-9][0-9]\)"
+slug="\(.*\)"
+file_ext="\(html\|markdown\|md\)"
+
+echo $1 | sed "s/^_posts\/$year-$month-$day-$slug\.$file_ext$/\1\/\2\/\3\/\4.html/";
+