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#!/bin/bash
# check that the dotfiles repository is up-to-date and clean
# otherwise create the dirty stamp file
dotfiles_dir=~/.config/dotfiles
dirty_stamp=~/.local/var/dotfiles/dirty
[ -d "${dotfiles_dir}" ] || (echo "no dotfiles dir" && exit 1)
git -C "${dotfiles_dir}" fetch -q --all || (echo "error updating remote" && exit 1)
count=$(git -C "${dotfiles_dir}" rev-list --left-right --count '@{upstream}'...HEAD 2>/dev/null | grep -v '^0\s0$')
git -C "${dotfiles_dir}" diff --exit-code >/dev/null
repo_dirty=$?
if [[ -n "${count}" || $repo_dirty -ne 0 ]]; then
touch "${dirty_stamp}"
else
rm "${dirty_stamp}"
fi
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