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+---
+title: "Mirror Public Repositories"
+date: 2023-11-22T12:28:13-05:00
+draft: false
+tags: []
+math: false
+medium_enabled: false
+---
+
+Git is designed to be decentralized. However, many people treat it as a centralized solution by depending on services such as GitHub. What we've seen through the [youtube-dl debacle](https://www.zdnet.com/article/riaa-blitz-takes-down-18-github-projects-used-for-downloading-youtube-videos/) is that repositories that we depend on can be taken down.
+
+This isn't to say that GitHub is evil and that we should move to Bitbucket, Gitlab, Source Hut, etc. But this is more of a commentary on what happens when we depend on one service to host our code. Git is designed to be decentralized, we should make use of that fact!
+
+Also, alleged illegal activity is not the only reason repositories are taken down from the Internet. Sometimes, the [developer themselves](https://www.theregister.co.uk/2016/03/23/npm_left_pad_chaos/) decide to take it down.
+
+As individuals, we can maintain mirrors of repositories we care about. That way if it ever gets removed from a particular service, we're not out of luck.
+
+The simplest way to go about this is to `git clone` the repositories you care about, and regularly `pull` through a cron job or systemd timer. Through systemd maybe it'll look like this:
+
+`/etc/systemd/system/refresh-hugo.service`
+
+```ini
+[Unit]
+Description=Pull latest changes from Hugo
+
+[Service]
+Type=oneshot
+WorkingDirectory=/home/brandonrozek/repo/hugo
+ExecStart=/usr/bin/git pull
+
+[Install]
+WantedBy=multi-user.target
+```
+
+`/etc/systemd/system/refresh-hugo.timer`
+
+```ini
+[Unit]
+Description=Pull latest changes from Hugo every week
+Requires=refresh-hugo.service
+
+[Timer]
+Unit=refresh-hugo.service
+OnCalendar=weekly
+Persistent=true
+
+[Install]
+WantedBy=timers.target
+```
+
+Alternatively, you can use a self-hosted git server instance such as [Forgejo](https://forgejo.org/) to set up pull mirrors through the migration tool. As of the time of writing, this is what I currently do with repositories at https://git.brandonrozek.com/github
+