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#!/usr/bin/env bash
# # A script to convert the local system to use my dotfiles my local dotfiles over # the provided ones already on the system. This script will backup any of the # existing dot files, before linking to the ones in this repository. # # This script must be able to operate cleanly on an already bootstraped environment # so as to update the system cleanly to new versions of the dotfiles repository. #
# Helper Functions
# Make a backup of the existing file if it exists # Then link to our supplied dotfile link() { # Only make a backup if an existing file is there and is not a link if [ -f "$1/$2" ] && [ ! -L "$1/$2" ]; then cp "$1/$2" "$1/$2.old" echo "Backed up original $2 to $1/$2.old" fi ln -sf "$3" "$1/$2" }
link_dir() { # Only make a backup if an existing directory is there and is not a link if [ -d "$1/$2" ] && [ ! -L "$1/$2" ]; then mv "$1/$2" "$1/$2.old" echo "Backed up original $2 to $1/$2.old" fi
# Don't overwrite links if [ ! -L "$1/$2" ]; then echo "ln -sf $3 $1/$2" ln -sf "$3" "$1/$2" fi }
copy_dir() { # Only make a backup if an existing directory is there and is not a link if [ -d "$1/$2" ] || [ -L "$1/$2" ]; then # Allow passing true as third param to do backups backup=true if [ ! -z "$3" ]; then backup=$4 fi if $backup; then mv "$1/$2" "$1/$2.old" echo "Backed up original $2 to $1/$2.old" else rm -r "$1/$2" echo "removed original $2" fi fi # Should probably only do this is the source is newer # Remove the old and copy the new cp -r "$3" "$1/$2" }
# Escape the path so we can use it in sed escape_path() { local safe="$(echo $1 | sed 's/\//\\\//g')" echo $safe }
# Clone a git repository into a location clone_git_repo() { local target=$1 local repo=$2 if [ ! -d "$target" ]; then mkdir -p "$target" git clone "$repo" "$target" else # Update the repo otherwise cur_dir=$PWD cd "$target" git checkout . git pull cd $cur_dir fi }
set -x set -e
# Need to get the source for the script SOURCE="${BASH_SOURCE[0]}" while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink TARGET="$(readlink "$SOURCE")" if [[ $TARGET == /* ]]; then echo "SOURCE '$SOURCE' is an absolute symlink to '$TARGET'" SOURCE="$TARGET" else DIR="$( dirname "$SOURCE" )" echo "SOURCE '$SOURCE' is a relative symlink to '$TARGET' (relative to '$DIR')" SOURCE="$DIR/$TARGET" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located fi done echo "SOURCE is '$SOURCE'" RDIR="$( dirname "$SOURCE" )" DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )" if [ "$DIR" != "$RDIR" ]; then echo "DIR '$RDIR' resolves to '$DIR'" fi echo "DIR is '$DIR'"
# Step into the directory where thes script is cd $DIR
# Store the path to the root directory and the reference home directory GIT_DIR="$(echo `git rev-parse --show-toplevel`)"
cd $GIT_DIR
# Home directory in the git directory DOTFILES_DIR="$GIT_DIR" DOTFILES_HOME="$DOTFILES_DIR/home"
# Configure .vimrc link "$HOME" ".vimrc" "$DOTFILES_HOME/.vimrc"
# Download pathogen if it doesn't exist already VIM_AUTOLOAD=$HOME/.vim/autoload mkdir -p $VIM_AUTOLOAD if [ ! -f "$VIM_AUTOLOAD/pathogen.vim" ]; then curl -LSso $VIM_AUTOLOAD/pathogen.vim https://tpo.pe/pathogen.vim fi
# Configure Pathogen Plugins VIM_BUNDLE=$HOME/.vim/bundle # Make the bundle directory and it's parents if they don't exist mkdir -p $VIM_BUNDLE # A list of vim plugins that are submodules plugins=($(ls -d $DOTFILES_HOME/.vim/bundle/* | tr -s ' ')) #echo "${plugins[@]}" # Loop through all of the plugins and install them as links in the bundle directory for plugin in ${plugins[@]}; do parts=($(echo "$plugin" | tr '/' ' ')) plugin_name=${parts[-1]} #echo "$VIM_BUNDLE $plugin_name $plugin" copy_dir $VIM_BUNDLE $plugin_name $plugin false done
# Configure .gitconfig link "$HOME" ".gitconfig" "$DOTFILES_HOME/.gitconfig"
# Configure .zshrc link "$HOME" ".zshrc" "$DOTFILES_HOME/.zshrc"
clone_git_repo $HOME/.tmux/plugins/tpm https://github.com/tmux-plugins/tpm.git clone_git_repo $HOME/.tmux/plugins/tmux-sensible https://github.com/tmux-plugins/tmux-sensible.git clone_git_repo $HOME/.tmux/plugins/tmux-resurrect https://github.com/tmux-plugins/tmux-resurrect.git
# Configure .tmux.conf link "$HOME" ".tmux.conf" "$DOTFILES_HOME/.tmux.conf"
cd $GIT_DIR
# Create an auto updater for the dotfiles SOURCE_MD5="$(md5sum scripts/.update_dotfiles.sh | tr -s ' ' | cut -d ' ' -f 1)" WRITE_NEW_UPDATER=false # If it doesn't exist, we need to create it if [ ! -f "$HOME/.update_dotfiles.sh" ]; then WRITE_NEW_UPDATER=true else # Now we need to check if the md5's don't match CURRENT_MD5="$(cat $HOME/.update_dotfiles.sh | tail -n 1 | tr -s ' ' | cut -d ' ' -f 2)" # No hash, we need to update the file if [ -z "$CURRENT_MD5" ]; then WRITE_NEW_UPDATER=true else # need to compare the hashes, if they don't match we need to update if [ "$CURRENT_MD5" != "$SOURCE_MD5" ]; then WRITE_NEW_UPDATER=true fi fi fi
if $WRITE_NEW_UPDATER; then SAFE_PATH="$(escape_path $GIT_DIR)" cat "scripts/.update_dotfiles.sh" | sed "s/@GIT_DIR@/$SAFE_PATH/" > $HOME/.update_dotfiles.sh echo "# $SOURCE_MD5" >> $HOME/.update_dotfiles.sh chmod +x $HOME/.update_dotfiles.sh fi
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