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September 26, 2023 19:54
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Sync Homebrew installations between Macs via Dropbox
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#!/bin/bash | |
# Sync Homebrew installations between Macs via Dropbox | |
# | |
BREW="/usr/local/bin/brew" | |
# first get local settings | |
echo "Reading local settings ..." | |
rm -f /tmp/brew-sync.* | |
$BREW tap > /tmp/brew-sync.taps | |
$BREW list > /tmp/brew-sync.installed | |
# then combine it with list in Dropbox | |
echo "Reading settings from Dropbox ..." | |
[ -e ~/Dropbox/Apps/Homebrew/brew-sync.taps ] && cat ~/Dropbox/Apps/Homebrew/brew-sync.taps >> /tmp/brew-sync.taps | |
[ -e ~/Dropbox/Apps/Homebrew/brew-sync.installed ] && cat ~/Dropbox/Apps/Homebrew/brew-sync.installed >> /tmp/brew-sync.installed | |
# make the lists unique and sync into Dropbox | |
echo "Syncing to Dropbox ..." | |
mkdir -p ~/Dropbox/Apps/Homebrew | |
cat /tmp/brew-sync.taps | sort | uniq > ~/Dropbox/Apps/Homebrew/brew-sync.taps | |
cat /tmp/brew-sync.installed | sort | uniq > ~/Dropbox/Apps/Homebrew/brew-sync.installed | |
# Set taps | |
echo "Enabling taps ..." | |
for TAP in `cat ~/Dropbox/Apps/Homebrew/brew-sync.taps`; do | |
$BREW tap ${TAP} >/dev/null | |
done | |
# Install missing Homebrew packages | |
echo "Install missing packages ..." | |
for PACKAGE in `cat ~/Dropbox/Apps/Homebrew/brew-sync.installed`; do | |
$BREW list ${PACKAGE} >/dev/null | |
[ "$?" != "0" ] && $BREW install ${PACKAGE} | |
done |
Look in to using brew bundle
instead, not only does it combine taps/brews/casks into one Brewfile
but it also saves the arguments the brews were installed with, for example brew install gnu-sed --with-default-names
gets represented as brew "gnu-sed", args: ["with-default-names"]
in the Brewfile
.
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Enabling taps ...
Updating Homebrew...
Error: Invalid tap name '==>'
Updating Homebrew...
Error: Invalid tap name 'Auto-updated'
Updating Homebrew...
Error: Invalid tap name 'Homebrew!'
Error: Invalid tap name '==>'
Error: Invalid tap name 'Deleted'
Error: Invalid tap name 'Formulae'
Error: Invalid tap name '==>'
Error: Invalid tap name 'Updated'
Error: Invalid tap name 'Formulae'
Error: Invalid tap name 'Updated'
Error: Invalid tap name '1'
Error: Invalid tap name 'tap'
What matter with those?