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#!/bin/zsh
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# .files/install
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# (c) 2014-2017 MORI Taeyeon
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# Paths & Utils
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DOT="$(realpath "$(dirname "$0")")"
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cd "$DOT"
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setopt EXTENDED_GLOB
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source "$DOT/lib/libzsh-utils.zsh"
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# Parse commandline
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# =============================
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OVERWRITE=false
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ASK=true
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function print_usage() {
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echo "Usage: $1 [--help] [--overwrite] [--dont-ask]"
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echo
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echo "Install Tae's dotfiles"
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echo
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echo "Parameters:"
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echo " -h, --help Display this help message"
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echo " --overwrite Just overwrite existing dotfiles"
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echo " --dont-ask Don't ask questions. Use default values"
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}
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for arg in "$@"; do
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[[ -z "$STATE" ]] && {
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case "$arg" in
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-h|--help) print_usage "$0"; exit 0;;
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--overwrite) OVERWRITE=true;;
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--dont-ask) ASK=false;;
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*) print_usage "$0"; exit 1;;
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esac
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} || {
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case "$STATE" in
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# handle options with parameters
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esac
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STATE=
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}
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done
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[[ -n "$STATE" ]] && err "Option $STATE is missing it's parameter!" && exit 1
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# Helper functions
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# =============================
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function generate() {
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[[ -e "$1" ]] && ! $OVERWRITE && ! grep -q "Generated by .files/install" "$1" && \
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err "Custom version of $1 detected. Please delete it before running .files/install" && exit 1
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echo "${2-#} Generated by .files/install" >"$1"
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echo "${2-#} `date "+%m/%d/%Y %H:%M:%S"`" >>"$1"
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echo >>"$1"
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cat >>"$1"
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}
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function relink() {
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[[ ! -e "$1" ]] && err "No such file or directory: '$1'" && return 1
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[[ -L "$2" ]] && rm -f "$2"
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[[ -e "$2" ]] && ! $OVERWRITE && err "File already exists and isn't a symbolic link: '$2'" && return 1
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[[ ! -d "`dirname "$2"`" ]] && mkdir -p "`dirname "$2"`"
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color 31 ln -sr "$1" "$2"
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}
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# Prepare
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# =============================
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# Update git modules
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msg "Updating git submodules..."
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git submodule update --init --recursive
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# Ask questions about user
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$ASK && msg "Asking questions..." || err "Not asking any questions:"
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# Try to load previous configuration
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[[ -e "$DOT/etc/user-info" ]] && source "$DOT/etc/user-info"
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[[ -e "$DOT/etc/hostname" ]] && HOSTNAME=`cat "$DOT/etc/hostname"`
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# Retrieve realname from /etc/passwd GECOS
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[[ -z "$REALNAME" ]] && REALNAME=`grep "^$USER:[^:]*:$UID:" /etc/passwd | cut -d: -f5 | cut -d, -f1`
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[[ -z "$HOSTNAME" ]] && HOSTNAME=`hostname`
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if $ASK; then
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ask " Real name" REALNAME
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ask " E-Mail address" EMAIL
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ask " Computer name" HOSTNAME
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else
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color 36 echo " default REALNAME=\"$REALNAME\""
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color 36 echo " default EMAIL=\"$EMAIL\""
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color 36 echo " default HOSTNAME=\"$HOSTNAME\""
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fi
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# Write down answers
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color 32 echo " Writing etc/user-info"
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generate "$DOT/etc/user-info" <<EOF
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REALNAME="$REALNAME"
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EMAIL="$EMAIL"
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EOF
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color 32 echo " Writing etc/hostname"
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echo $HOSTNAME >"$DOT/etc/hostname"
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# Handle local-only alternatives
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HOST_LC=${(L)HOSTNAME}
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function refset() {
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eval "$1=\$2"
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}
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function inspect_name() {
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# gimme namerefs...
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#local -n name=$1 prio=$2
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#local filename=$3
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# Check local-only files
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refset $1 ${3%.local}
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if [[ ${(P)1} != $3 ]]; then
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refset $2 3
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return 0
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fi
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# Check hostname-specific file
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refset $1 ${3%@*}
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if [[ ${(P)1} != $3 ]]; then
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refset $2 2
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[[ ${3##*@} == $HOST_LC ]]
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return $?
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fi
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# Standard file
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refset $2 1
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return 0
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}
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function add_names() {
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local an_name an_prio
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#local -n names=$1 prios=$2
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for an_file in ${(@)argv[3,$#]}; do
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if inspect_name an_name an_prio $an_file && [[ $an_prio -gt ${${(P)2}[$an_name]} ]]; then
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refset $1\[\$an_name\] $an_file
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refset $2\[\$an_name\] $an_prio
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fi
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done
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}
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# Write files to $HOME
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# =============================
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# Setup dotfiles
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msg "Linking dotfiles..."
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(){
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local -A names prios
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pushd $DOT/dotfiles
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add_names names prios *
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for name src in ${(@kv)names}; do
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color 32 echo " Adding .$name"
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relink $src $HOME/.$name
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done
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popd
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}
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# Setup .config
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: ${XDG_CONFIG_HOME:=~/.config}
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msg "Linking .config files... ($XDG_CONFIG_HOME)"
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(){
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function relink_r() {
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local target=$1 dest=$2 name=${3:-$2} from
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[[ ${target:t} != ${dest:t} ]] && from=" (${target:t})"
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if [[ ! -d $target ]]; then
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color 32 echo " Adding $name$from"
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relink $target $dest
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else
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if [[ ! -d $dest ]]; then
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color 32 echo " Creating directory $name/$from"
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mkdir $dest
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elif [[ -n $from ]]; then
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color 32 echo " Adding directory $name/$from"
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fi
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# This is still slightly ugly
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local -A names prios
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add_names names prios $target/*
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for dst src in ${(@kv)names}; do
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relink_r $src $dest/${dst:t} $name/${dst:t}
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done
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fi
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}
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pushd $DOT/config
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local -A names prios
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add_names names prios *
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for dst src in ${(@kv)names}; do
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relink_r $src $XDG_CONFIG_HOME/$dst $dst
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done
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popd
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}
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# Setup git
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# =============================
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msg "Setting up Git configuration..."
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GIT="$DOT/git"
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[[ -e "$HOME/.gitconfig" ]] && ! grep -q ".files/install" "$HOME/.gitconfig" && err "Custom ~/.gitconfig already exists! Please remove it before running .files/install" && exit 1
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color 32 echo " Writing .gitconfig"
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generate "$HOME/.gitconfig" <<EOF
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[include]
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path = $(relpath "$GIT" "$HOME")/config
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path = $(relpath "$GIT" "$HOME")/user-info
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EOF
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[ "`uname -s`" = "Darwin" ] && \
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cat >>"$HOME/.gitconfig" <<EOF
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path = $(relpath "$GIT" "$HOME")/osx
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EOF
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color 32 echo " Writing git/user-info"
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generate "$GIT/user-info" <<EOF
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[user]
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name = $REALNAME
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email = $EMAIL
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EOF
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# Setup ZSH/Prezto
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# =============================
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msg "Setting up ZSH configuration..."
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ZSH="$DOT/zsh"
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color 32 echo " Writing .zshenv"
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generate "$HOME/.zshenv" <<EOF
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export DOTFILES="\$HOME/$(relpath "$DOT" "$HOME")"
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ZDOTDIR="\$DOTFILES/zsh"
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[[ -f "\$ZDOTDIR/zshenv" ]] && source "\$ZDOTDIR/zshenv"
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[[ ! -o LOGIN && "\$SHLVL" == 1 && -f "\$ZDOTDIR/zprofile" ]] && source "\$ZDOTDIR/zprofile"
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EOF
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for file in zshrc zpreztorc zlogin zlogout zprofile; do
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color 32 echo " Adding .$file"
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relink "$ZSH/$file" "$ZSH/.$file"
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done
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# Do misc setup
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# =============================
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test -f "$DOTFILES/install.extra" && "$DOTFILES/install.extra"
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# Check login shell
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if getent passwd $(id -un) | grep -q 'zsh$'; then
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msg "Login shell is already set to zsh, you're good to go!"
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else
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msg "Setting login shell to '$(which zsh)'..."
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chsh -s "$(which zsh)"
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fi
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# Done.
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warn "You may need to relog for all changes to take effect."
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warn "If you're currently running zsh, you definitely need to at least restart the shell to apply changes."
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