From 9fcaab0efc8ee8a9ea18b10eb525be7c47940033 Mon Sep 17 00:00:00 2001
From: Hongyi Zhao <hongyi.zhao@gmail.com>
Date: Wed, 11 Mar 2020 20:00:27 +0800
Subject: [PATCH] try to fix for pyenv/virtualenv:
 completion/available/pip.completion.bash

---
 completion/available/pip.completion.bash | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/completion/available/pip.completion.bash b/completion/available/pip.completion.bash
index 618909ad..7e48c053 100644
--- a/completion/available/pip.completion.bash
+++ b/completion/available/pip.completion.bash
@@ -5,6 +5,14 @@
 # If the pip package is installed within virtual environments, say, python managed by pyenv,
 # you should first initilization the corresponding environment.
 # So that the pip/pip3 is in system's path.
-if command -v pip >/dev/null; then
-  eval "$(pip completion --bash)"
+
+# For the pyenv-based environment:
+if which pyenv >/dev/null; then
+  if pyenv which pip 2>/dev/null; then
+    eval "$(pip completion --bash)"
+  fi
+else
+  if command -v pip >/dev/null; then
+    eval "$(pip completion --bash)"
+  fi
 fi