Keep a fleet of git repos up to date overnight: fast-forward base branches, stash-safe, locked, with macOS notifications

com.me.update-all-repos.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
  "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<!--
  ┌─────────────────────────────────────────────────────────────────────┐
  │ BEFORE YOU USE THIS: replace every "/Users/me" below with your own    │
  │ home path (run `echo $HOME` to find it), and point REPOS_DIR at the   │
  │ folder that CONTAINS your repos (its immediate subdirs = the repos).  │
  │ Each spot you must edit is flagged with the word EDIT in a comment.   │
  └─────────────────────────────────────────────────────────────────────┘
-->
<plist version="1.0">
<dict>
  <!-- EDIT (optional): unique reverse-DNS id, e.g. com.yourname.update-all-repos -->
  <key>Label</key>
  <string>com.me.update-all-repos</string>

  <!-- EDIT: absolute path to where you saved update-all-repos.sh -->
  <key>ProgramArguments</key>
  <array>
    <string>/Users/me/code/update-all-repos.sh</string>
  </array>

  <!-- cron/launchd have a thin env; give launchd a real PATH so it finds git/curl/osascript -->
  <key>EnvironmentVariables</key>
  <dict>
    <!-- EDIT: the folder whose subdirectories are your git repos -->
    <key>REPOS_DIR</key>
    <string>/Users/me/code</string>
    <!-- EDIT if Intel Mac: drop /opt/homebrew/bin (that path is Apple Silicon only) -->
    <key>PATH</key>
    <string>/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin</string>
  </dict>

  <!-- EDIT (optional): when to run. Daily at 08:00. If the Mac was asleep, launchd runs it on wake. -->
  <key>StartCalendarInterval</key>
  <dict>
    <key>Hour</key><integer>8</integer>
    <key>Minute</key><integer>0</integer>
  </dict>

  <!-- EDIT: replace /Users/me with your home path. Folder must exist (script's LOG_DIR creates ~/.cache/update-all-repos). -->
  <key>StandardOutPath</key>
  <string>/Users/me/.cache/update-all-repos/launchd.out.log</string>
  <key>StandardErrorPath</key>
  <string>/Users/me/.cache/update-all-repos/launchd.err.log</string>
</dict>
</plist>