Script: generate list of redirect URLs

bdocs

@@ -23,6 +23,7 @@ OPTIONS:
   release      Create the release body text for monthly releases
   transform    Transform reference links to inline links on 1 or more pages
   clean        Remove reference links that are not being used on 1 or more pages
+  redirects    List the old URLs for all new redirects in this branch
   help         Display this help message and exit
 
 EOF
@@ -79,6 +80,9 @@ case $1 in
         fi
         ruby "$PROJECT_ROOT/scripts/remove_unused_reference_links.rb" "$2"
         ;;
+    redirects)
+        "$PROJECT_ROOT/scripts/list_redirect_urls.sh"
+        ;;
     help)
         display_help
         ;;

scripts/list_redirect_urls.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+#
+# For each new redirect in the current branch, the script uses the user-supplied
+# base URL to list all old URLs so the user can open old links directly from
+# the terminal to test redirects.
+# 
+# Usage: ./bdocs redirects
+
+# Fetch the latest changes from the remote.
+git fetch origin develop --quiet
+
+# Check new redirects by comparing the current branch to develop.
+NEW_REDIRECTS=$(git diff develop -- $PROJECT_ROOT/assets/js/broken_redirect_list.js)
+
+# If there's no differences, print an error message and exit.
+if [[ -z "$NEW_REDIRECTS" ]]; then
+    echo "Error: No new redirects were found in this branch."
+    echo ""
+    exit 1
+fi
+
+echo "Which base URL would you like to use? Note: You can use a local or deployment base URL."
+echo""
+
+# Read input and remove any trailing '/' (if applicable), to avoid double '//'.
+read BASE_URL
+if [[ "$BASE_URL" == */ ]]; then
+    BASE_URL="${BASE_URL%/}"
+fi
+
+# List all old URLs using 'BASE_URL' so the user can open links from terminal.
+echo ""
+echo "$NEW_REDIRECTS" | grep '^+' | grep -v '+++' | grep -v '^+$' | sed "s/^+validurls\['\([^']*\)'\].*/\1/" | sed "s|^|$BASE_URL|"