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<title>Backing Up a Git Repository</title>
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<section><h1>Backing Up a Git Repository</h1><blockquote>Sun 13th June 2021 By David T. Sadler.</blockquote><p>Below is a quick and dirty way in which I backup all my repositories that are hosted at git.davidtsadler.com.</p><pre><code class="shell">#!/bin/sh
DATE_PREFIX=$(date +%Y%m%d)
BACKUP_DIRECTORY=/tmp
BACKUP_FILE="${BACKUP_DIRECTORY}/${DATE_PREFIX}-repositories.tar.gz"
BACKUP_FILES="${BACKUP_DIRECTORY}/*-repositories.tar.gz"
REPOSITORIES=/home/git/*.git
tar -czf $BACKUP_FILE $REPOSITORIES
find $BACKUP_FILES -mtime +3 -delete
exit 0</code></pre><p>All it does it tar and gzip any .git directories found under /home/git. It also removes any backups that are more than three days old.</p><p>This script has been saved as /usr/bin/backup_repositories and is ran daily via cron.</p><pre><code class="cron">0 3 * * * /usr/bin/backup_repositories > /dev/null 2>&1</code></pre><p>It is important to know that this backup strategy is far from ideal for repositories that are heavily used as you run the high risk of trying to backup a repository as users are pushing to it. As git updates a repository in two phases this will lead to a backup that may not contain all the data and so won't be suitable for restoring. However its fine for my purposes since I'm the only user and it's unlikely that I will be making changes during the time the backup is running.</p><h3>Links</h3><a href="/posts/git/2021-05-29/setting-up-a-self-host-git-server/">2021-05-29 - Setting up a Self Hosted Git Server</a><a href="/posts/git/">Git - Read More Posts.</a><p>I don't have comments as I don't want to manage them. You can however contact me at the below address if you want to.</p><a href="mailto:david@davidtsadler.com">Email david@davidtsadler.com</a><h3>License</h3><a href="https://creativecommons.org/licenses/by-sa/4.0/">The contents of this site is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.</a><p>Copyright © 2021 David T. Sadler.</p><a href="/">Return to Homepage.</a></section>
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