create-redirect

#!/bin/bash
# Since GitHub Pages does not offer a way to do 301 redirects
# and none of the Gatsby ways work with a static site, create static
# HTML files with meta refresh tags.

HELPMSG="USAGE: create-redirect <from> <to>\n\t<from> — root relative link\n\t<to> — absolute link"

if [ $# -lt 2 ] ; then
  echo -e $HELPMSG
  exit 1
fi

DIR=`dirname $1`

/usr/bin/mkdir -p static$DIR

/usr/bin/cat << EOT > static$1
<html>
  <head>
    <title>OpenShift Commons</title>
    <meta http-equiv="refresh" content="0; URL=$2" />
    <link rel="canonical" href="$2" />
  </head>
  <body>
    <p>The page has moved to: <a href="$2">this page</a>.</p>
  </body>
</html>
EOT