dotfiles.git

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#!/usr/bin/env bash
set -eu -o pipefail # See: https://sipb.mit.edu/doc/safe-shell/
declare -r script_name=$(basename "${BASH_SOURCE[0]}")
declare -r backup_dir="$HOME"/backup_of_dotfiles_$(date "+%Y-%m-%d_%H%M%S")
declare -a dotfiles=(".bashrc" ".bash_profile" ".vimrc" ".editrc" ".gitconfig"
                     ".gitignore" ".inputrc" ".tmux.conf" ".ssh/config" ".ripgreprc"
                     ".gdbinit" ".config/gitui/key_bindings.ron" ".visidatarc"
                     ".config/i3/config" ".config/i3status/config"
                     ".config/dunst/dunstrc" ".config/alacritty/alacritty.toml")
declare -i dry_run=0
## exit the shell (with status 2) after printing the message
usage() {
    echo "\
$script_name -hn
    -h      Print this help text
    -n      Perform a dry run, to see what'll change
"
    exit 2;
}
## Process the options
while getopts "hn" OPTION
do
  case $OPTION in
    h) usage;;
    n) dry_run=1;;
    \?) usage;;
  esac
done
if [ ! -d "${backup_dir}"/.ssh ]; then
    ((dry_run==0)) && mkdir -p "${backup_dir}"/.ssh
fi
# Move original dot files to backup
for i in "${dotfiles[@]}"
do
    if [ -e "$HOME"/"$i" ]; then
        if ! cmp --silent "$HOME"/"$i" "$i" ; then
            echo "$i" will be changed as follows:
            diff "$HOME"/"$i" "$i" || true
            if [ $dry_run -eq 0 ]; then
                mv "$HOME"/"$i" "${backup_dir}"/"$i"
                # Consider using symbolic links instead
                # so pulling updates automatically apply
                cp "$i" "$HOME"/"$i"
                echo "# vimdiff \"$HOME/$i\" \"${backup_dir}/$i\""
            else
                # Provide a diff that can still be used
 
 
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