From c30703ac6679a4d220ca18954e1bf9da9f60687f Mon Sep 17 00:00:00 2001
From: Dequan Zhang <dequanzh@usc.edu>
Date: Sat, 7 Jul 2018 20:46:30 +0000
Subject: [PATCH] update login logic

---
 login_init.zsh | 43 ++++++++++++++++++++++++-------------------
 1 file changed, 24 insertions(+), 19 deletions(-)

diff --git a/login_init.zsh b/login_init.zsh
index 0b98bb4..0da8ca6 100755
--- a/login_init.zsh
+++ b/login_init.zsh
@@ -5,29 +5,34 @@
 # This includes zcompile, zcompdump, etc.
 #
 
+zcompare() {
+    if [[ -s ${1} && ( ! -s ${1}.zwc || ${1} -nt ${1}.zwc) ]]; then
+        zcompile ${1}
+    fi
+}
+
 (
-  local dir file
-  setopt LOCAL_OPTIONS EXTENDED_GLOB
-  autoload -U zrecompile
+local dir file
+setopt LOCAL_OPTIONS EXTENDED_GLOB
+autoload -U zrecompile
+# zcompile the completion cache; siginificant speedup
+zcompare ${ZDOTDIR:-${HOME}}/${zcompdump_file:-.zcompdump}
 
-  # zcompile the completion cache; siginificant speedup
-  zrecompile -pq ${ZDOTDIR:-${HOME}}/${zcompdump_file:-.zcompdump}
+# zcompile .zshrc
+zcompare ${ZDOTDIR:-${HOME}}/.zshrc
 
-  # zcompile .zshrc
-  zrecompile -pq ${ZDOTDIR:-${HOME}}/.zshrc
-
-  # zcompile enabled module autoloaded functions
-  for dir in ${ZIM_HOME}/modules/${^zmodules}/functions(/FN); do
+# zcompile enabled module autoloaded functions
+for dir in ${ZIM_HOME}/modules/${^zmodules}/functions(/FN); do
     zrecompile -pq ${dir}.zwc ${dir}/^(_*|prompt_*_setup|*.*)(-.N)
-  done
+done
 
-  # zcompile enabled module scripts
-  for file in ${ZIM_HOME}/modules/${^zmodules}/(^*test*/)#*.zsh{,-theme}(.NLk+1); do
-    zrecompile -pq ${file}
-  done
+# zcompile enabled module scripts
+for file in ${ZIM_HOME}/modules/${^zmodules}/(^*test*/)#*.zsh{,-theme}(.NLk+1); do
+    zcompare ${file}
+done
 
-  # zcompile all prompt setup scripts
-  for file in ${ZIM_HOME}/modules/prompt/functions/prompt_*_setup; do
-    zrecompile -pq ${file}
-  done
+# zcompile all prompt setup scripts
+for file in ${ZIM_HOME}/modules/prompt/functions/prompt_*_setup; do
+    zcompare ${file}
+done
 ) &!