www.byjp.me/tools/redirects/update-shortlinks.bash
JP Hastings-Spital 6a9d43e5ea Put all redirects in one file
IPFS _redirects files have to be at the root — so put them all in the same place!
2024-07-16 23:05:59 +01:00

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#!/bin/bash
# Usage:
# 1. Build www.byjp.me
# 2. Clone and enter a local copy of the byjp.fyi repo
# 3. `cat www.byjp.me/public/index.redirects | www.byjp.me/tools/redirects/update-shortlinks.bash``
# 4. `git commit -am "Update blog redirects" && git push`
# This script assumes it is being executed at the root of the byjp.fyi repo
gitRoot=$(git rev-parse --show-toplevel) || { echo "Please run inside the byjp.fyi git repo"; exit 1; }
if [[ "$(git remote get-url origin)" != "https://github.com/by-jp/byjp.fyi" ]]; then
echo "This repo doesn't have the byjp.fyi repo as the origin"
git remote -v
exit 2
fi
cd $gitRoot
# Prepare existing files for new _redirects info
mv public/_redirects public/_redirects.previous
find public -type f -iname "_redirects" -delete
# Combine new (root) _redirects and _redirects.previous
echo "Merging with existing links…"
start_line=$(awk '/^# From blog/{print NR; exit}' public/_redirects.previous)
end_line=$(awk 'NR > '"$start_line"' && /^#/{print NR; exit}' public/_redirects.previous)
cp /dev/stdin public/_redirects
sed "$((start_line + 1)),$((end_line - 2))d" public/_redirects.previous > old_removed.txt
awk 'NR=='"$((start_line + 1))"'{system("cat public/_redirects")} 1' old_removed.txt > public/_redirects.new
# Remove temporary files
mv public/_redirects.new public/_redirects
rm public/_redirects.previous
rm old_removed.txt
# Push changes
echo "Pushing to github…"
git add -A
git commit -m "Update blog shortlinks"
git push -q
echo "All files cleaned up; update complete!"