From 2bdca4978fd601bcc2ea25f9e664f82b03e3e635 Mon Sep 17 00:00:00 2001
From: shunyi <M157q.tw@gmail.com>
Date: Tue, 1 Sep 2015 13:44:09 +0800
Subject: [PATCH] [plugins/pip] Add shortcut for upgrading pip outdated
 packages.

---
 plugins/pip/pip.plugin.zsh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/plugins/pip/pip.plugin.zsh b/plugins/pip/pip.plugin.zsh
index b5433ae9d..4dfa32314 100644
--- a/plugins/pip/pip.plugin.zsh
+++ b/plugins/pip/pip.plugin.zsh
@@ -76,3 +76,23 @@ zsh-pip-test-clean-packages() {
         echo "the djangopypi2 index is fine"
     fi
 }
+
+zsh-pip-upgrade-installed-packages()  {
+
+    outdated_packages=`pip list -o 2>/dev/null`
+
+    if [[ -n $outdated_packages ]] ; then
+        echo "Outdated packages:"
+        echo -e "$outdated_packages\n"
+
+        echo -e "Start upgrading...\n"
+        echo $outdated_packages | awk {'print $1'} | xargs pip install -U
+        echo -e "\nAll installed packages are up to date."
+    else
+        echo "No outdated packages."
+    fi
+}
+
+pip-upgrade() {
+    zsh-pip-upgrade-installed-packages
+}