chore(dotfiles): clarify the script for other users

dotfiles/run.sh

@@ -12,10 +12,11 @@ if [ -n "$${DOTFILES_URI// }" ]; then
   if [ "$DOTFILES_USER" = "$USER" ]; then
     coder dotfiles "$DOTFILES_URI" -y 2>&1 | tee ~/.dotfiles.log
   else
-    # The "eval echo ~$DOTFILES_USER" part is used to dynamically get the home directory of the user, see https://superuser.com/a/484280
-    # sudo -u coder sh -c 'eval echo ~$DOTFILES_USER' -> "/home/coder"
-    # sudo sh -c 'eval echo ~$DOTFILES_USER'          -> "/root"
+    # The "eval echo ~$USER" part is used to dynamically get the home directory of the user, see https://superuser.com/a/484280
+    # eval echo ~$USER'                   -> "/home/coder"
+    # eval echo ~${DOTFILES_USER:-root}'  -> "/root""
 
-    sudo -u "$DOTFILES_USER" sh -c "$(which coder) dotfiles \"$DOTFILES_URI\" -y 2>&1 | tee -a $(eval echo ~\'$DOTFILES_USER\')/.dotfiles.log"
-  fi
+    CODER_BIN=$(which coder)
+    DOTFILES_USER_HOME=$(eval echo ~"$DOTFILES_USER")
+    sudo -u "$DOTFILES_USER" sh -c "'$CODER_BIN' dotfiles '$DOTFILES_URI' -y 2>&1 | tee '$DOTFILES_USER_HOME'/.dotfiles.log"  fi
 fi