124 lines
3 KiB
Bash
Executable file
124 lines
3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Text formatting variables
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text_bold="\e[1m"
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text_red="\e[31m"
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text_reset="\e[0m"
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text_yellow="\e[33m"
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# Output functions
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function log {
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echo -ne "$1\n"
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}
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function warning {
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echo -ne "${text_bold}${text_yellow}WARNING${text_reset} $1\n"
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}
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function error {
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echo -ne "${text_bold}${text_red}ERROR${text_reset} $1\n"
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exit 1
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}
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function print_usage {
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cat <<EOF
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Usage: dotlink [OPTIONS]
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Simple dotfile management based on symlinks.
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OPTIONS
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-h, --help Show this help message
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-u, --unlink Remove current links
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EOF
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exit
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}
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# Set default values
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unlink=false
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# Parse arguments
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while (( "$#" )); do
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case "$1" in
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-h|--help)
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print_usage
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;;
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-u|--unlink)
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unlink=true
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shift
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;;
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-*|--*=)
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error "Unsupported flag: $1"
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;;
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*)
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error "Unsupported argument: $1"
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;;
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esac
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done
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# Get current dotfile directory for later linking
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dotfiles="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
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# Check if dotfiles for machine exist
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if [ ! -d "$dotfiles/machines/$HOSTNAME" ]; then
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error "No dotfiles for machine $text_bold$HOSTNAME$text_reset found, make sure the directory $text_bold$dotfiles/machines/$HOSTNAME$text_reset exists"
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fi
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# Get dotfiles for current machine
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cd "$dotfiles/machines/$HOSTNAME"
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files=( $(find -L -type f -printf '%P\n'))
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if [ "$unlink" == true ]; then
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log "Unlinking $text_bold${#files[@]}$text_reset files..\n"
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else
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log "Linking $text_bold${#files[@]}$text_reset files..\n"
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fi
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for file in "${files[@]}"; do
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# Unlink files
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if [ "$unlink" == true ]; then
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if [ -L "$HOME/$file" ] && [ "$(readlink $HOME/$file)" == "$dotfiles/machines/$HOSTNAME/$file" ]; then
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rm "$HOME/$file"
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log "Unlinked $text_bold$HOME/$file$text_reset"
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# Remove base directory if empty
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if ! [ "$(ls -A $(dirname $HOME/$file))" ]; then
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rmdir "$(dirname $HOME/$file)"
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log "Removed empty directory $text_bold$(dirname $HOME/$file)$text_reset"
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fi
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fi
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# Link files
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else
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# Check if target is a link
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if [ -L "$HOME/$file" ]; then
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if [ "$(readlink $HOME/$file)" != "$dotfiles/machines/$HOSTNAME/$file" ]; then
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warning "$text_bold$HOME/$file$text_reset is a link but doesn't point to this repository, it will not be linked"
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continue
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fi
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# Check if target is a file or directory
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elif [ -f "$HOME/$file" ]; then
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warning "$text_bold$HOME/$file$text_reset exists and will not be linked"
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continue
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# Create link
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else
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# Create target directory if not existent
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mkdir -p "$(dirname $HOME/$file)"
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# Link file
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ln -s "$dotfiles/machines/$HOSTNAME/$file" "$HOME/$file"
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log "Linked $text_bold$dotfiles/$file$text_reset to $text_bold$HOME/$file$text_reset"
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fi
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fi
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done
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log "\ndone"
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