fix quotes

exports.zsh

@@ -3,17 +3,17 @@
 export LANG="en_US.UTF-8"
 export LC_ALL="$LANG"
 
-if [[ -z $USER && -n $USERNAME ]]; then
+if [[ -z "$USER" && -n "$USERNAME" ]]; then
   export USER="$USERNAME"
 fi
-export DEFAULT_USER=dmitmel
+export DEFAULT_USER="dmitmel"
 
-if [[ -n $SSH_CONNECTION ]]; then
+if [[ -n "$SSH_CONNECTION" ]]; then
   export EDITOR="rmate"
 else
   export EDITOR="code --wait"
 fi
 
-export CLICOLOR=1
+export CLICOLOR="1"
 
 export SDKMAN_DIR="$HOME/.sdkman"

functions.zsh

@@ -1,11 +1,11 @@
 #!/usr/bin/env zsh
 
 is_linux() {
-  [[ $OSTYPE == linux* ]]
+  [[ "$OSTYPE" == linux* ]]
 }
 
 is_macos() {
-  [[ $OSTYPE == darwin* ]]
+  [[ "$OSTYPE" == darwin* ]]
 }
 
 command_exists() {
@@ -13,7 +13,7 @@ command_exists() {
 }
 
 source_if_exists() {
-  [[ -f $1 ]] && source "$1"
+  [[ -f "$1" ]] && source "$1"
 }
 
 run_before() {

zshrc

@@ -8,9 +8,8 @@ find_dotfiles_dir() {
     [[ -d "$DOTFILES_DIR" ]] && return
   done
 
-  local script_path
-  script_path=$(realpath "${(%):-%x}")
-  DOTFILES_DIR=$(dirname "$script_path")
+  local script_path="$(realpath "${(%):-%x}")"
+  DOTFILES_DIR="$(dirname "$script_path")"
 }
 
 find_dotfiles_dir