Remove useless exports and quotes

.config/zsh/.zshrc

@@ -4,7 +4,7 @@ function()                      # Keep local variables in here.
 ############################## Completion ######################################
 
 zmodload zsh/complist
-autoload -Uz compinit && compinit -d "${ZSH_CACHE_DIR}/zcompdump"
+autoload -Uz compinit && compinit -d ${ZSH_CACHE_DIR}/zcompdump
 
 setopt ALWAYS_TO_END COMPLETE_IN_WORD GLOB_COMPLETE LIST_PACKED
 
@@ -12,7 +12,7 @@ zmodload zsh/zutil
 zmodload zsh/complist
 # Configure completions.
 zstyle ':completion:*' use-cache on
-zstyle ':completion:*' cache-path "${ZSH_CACHE_DIR}/zcompcache"
+zstyle ':completion:*' cache-path ${ZSH_CACHE_DIR}/zcompcache
 zstyle ':completion:*' menu select
 zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
 zstyle ':completion:*' completer _extensions _complete _approximate _ignored
@@ -28,8 +28,8 @@ compdef '_dispatch git git' config # git completions for config.
 autoload -Uz +X bashcompinit && bashcompinit
 
 ############################# History ##########################################
-export HISTSIZE=50000           # In memory.
-export SAVEHIST=10000           # On disk.
+HISTSIZE=50000                  # In memory.
+SAVEHIST=10000                  # On disk.
 # Write command to history file after it is finished, with time and duration.
 setopt NO_SHARE_HISTORY EXTENDED_HISTORY INC_APPEND_HISTORY_TIME
 setopt HIST_EXPIRE_DUPS_FIRST HIST_IGNORE_DUPS
@@ -50,11 +50,11 @@ add-zsh-hook zshaddhistory _my_import_history_zshaddhistory
 ZSH_HIGHLIGHT_HIGHLIGHTERS=(main brackets)
 ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE="fg=237"
 
-for plugin in "${(@s/ /)ZSH_PLUGIN_DIST}"; do
-    [[ -n "${plugin}" ]] && source "${plugin}"
+for plugin in ${(@s/ /)ZSH_PLUGIN_DIST}; do
+    [[ -n ${plugin} ]] && source ${plugin}
 done
 unset plugin
-[[ -n "${ZSH_PLUGIN_SOURCE}" ]] && source "${ZSH_PLUGIN_SOURCE}"
+[[ -n ${ZSH_PLUGIN_SOURCE} ]] && source ${ZSH_PLUGIN_SOURCE}
 
 # Fuzzy finder, <https://github.com/junegunn/fzf>.
 export FZF_CTRL_R_OPTS="--layout=reverse"
@@ -112,17 +112,17 @@ if echoti tsl > /dev/null 2>&1; then
     function _my_title_preexec() {
         local _my_jobs_dir
         print -Pnv _my_jobs_dir "%(1j,%j job%(2j|s|); ,)%~"
-        printf "\e]0;%s: %s; %s\a" "${HOST}" "${1}" "${_my_jobs_dir}"
+        printf "\e]0;%s: %s; %s\a" ${HOST} ${1} ${_my_jobs_dir}
     }
     add-zsh-hook preexec _my_title_preexec
 fi
 
 # Translate TrueColor to 256 colors if the terminal doesn't support it
-[[ "${COLORTERM}" == *(truecolor|24bit)* ]] || zmodload zsh/nearcolor
+[[ ${COLORTERM} == *(truecolor|24bit)* ]] || zmodload zsh/nearcolor
 
 # emacsclient 27 (TODO: check later versions) needs this for TrueColor
-if [[ "${TERM#*-}" == "256color" ]] \
-       && [[ "${COLORTERM}" == *(truecolor|24bit)* ]] \
+if [[ ${TERM#*-} == "256color" ]] \
+       && [[ ${COLORTERM} == *(truecolor|24bit)* ]] \
        && [[ -f "/usr/share/terminfo/t/${TERM%-*}-direct" ]]; then
     alias $(command -v emacsclient)="TERM=${TERM%-*}-direct $(command -v emacsclient)"
     alias $(command -v emacsremote)="TERM=${TERM%-*}-direct $(command -v emacsremote)"
@@ -132,7 +132,7 @@ case ${TERM} in
     (dumb)                      # Emacs shells and TRAMP.
         unsetopt ZLE
 
-        if [[ "${INSIDE_EMACS}" =~ "tramp" ]]; then
+        if [[ ${INSIDE_EMACS} =~ "tramp" ]]; then
             HISTFILE="/dev/null"
         fi
 
@@ -152,14 +152,14 @@ case $(hostname) in
         ;;
 esac
 
-[[ -f "${ZDOTDIR}"/keys.zsh ]] && source "${ZDOTDIR}"/keys.zsh
-[[ -f "${ZDOTDIR}"/aliases.zsh ]] && source "${ZDOTDIR}"/aliases.zsh
-[[ -d "${ZDOTDIR}"/functions ]] && autoload -Uz "${ZDOTDIR}"/functions/*
-[[ -f "${ZDOTDIR}"/themes/syntax-tastytea.zsh ]] && source "${ZDOTDIR}"/themes/syntax-tastytea.zsh
+[[ -f ${ZDOTDIR}/keys.zsh ]] && source ${ZDOTDIR}/keys.zsh
+[[ -f ${ZDOTDIR}/aliases.zsh ]] && source ${ZDOTDIR}/aliases.zsh
+[[ -d ${ZDOTDIR}/functions ]] && autoload -Uz ${ZDOTDIR}/functions/*
+[[ -f ${ZDOTDIR}/themes/syntax-tastytea.zsh ]] && source ${ZDOTDIR}/themes/syntax-tastytea.zsh
 
 zstyle ':vcs_info:*' enable            git svn hg # vcs_info_printsys
 zstyle ':vcs_info:*' check-for-changes true
-DEFAULT_USER="${DEFAULT_USER:-tastytea}"
+DEFAULT_USER=${DEFAULT_USER:-tastytea}
 autoload -U promptinit && promptinit
 prompt tastytea