From 21239c934207207a7405b1d09ab555e13ba66865 Mon Sep 17 00:00:00 2001
From: "Yamashita, Yuu" <peek824545201@gmail.com>
Date: Sat, 18 Jul 2015 20:39:56 +0900
Subject: [PATCH] If the current virtualenv is created with
 `--system-site-packages` and an executable is not found in it, automatically
 look up the executable for source Python version. (fixes #62)

---
 etc/pyenv.d/which/system-site-packages.bash | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 etc/pyenv.d/which/system-site-packages.bash

diff --git a/etc/pyenv.d/which/system-site-packages.bash b/etc/pyenv.d/which/system-site-packages.bash
new file mode 100644
index 0000000..956de12
--- /dev/null
+++ b/etc/pyenv.d/which/system-site-packages.bash
@@ -0,0 +1,20 @@
+# if virtualenv is created with `--system-site-packages`,
+# looks up executables for source version as well if none is
+# installed in the virtualenv.
+# https://github.com/yyuu/pyenv-virtualenv/issues/62
+
+if [ ! -x "${PYENV_COMMAND_PATH}" ]; then
+  virtualenv_prefix="$(pyenv-virtualenv-prefix 2>/dev/null || true)"
+  if [ -d "${virtualenv_prefix}" ]; then
+    shopt -s nullglob
+    no_global_site_packages="$(echo "$(pyenv-prefix)/lib/"*"/no-global-site-packages.txt")"
+    shopt -u nullglob
+    if [ ! -f "${no_global_site_packages}" ]; then
+      # virtualenv is created with `--system-site-packages`
+      virtualenv_command_path="${virtualenv_prefix}/bin/${PYENV_COMMAND_PATH##*/}"
+      if [ -x "${virtualenv_command_path}" ]; then
+        PYENV_COMMAND_PATH="${virtualenv_command_path}"
+      fi
+    fi
+  fi
+fi