Separate environment intialisation into its own build target

Initialisation of the virtualenv is now a separate target, which
is a dependency of the package installation target.

Change-Id: I37cc6a13bb3874439393b75b8926f2288700d692

1 files changed, 4 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index a920c28..456f48d 100644
--- a/Makefile
+++ b/Makefile
@@ -50,12 +50,14 @@ unittests: envsetup
           source ./pygerritenv/bin/activate && \
           python unittests.py"
 
-envsetup:
+envsetup: envinit
 	bash -c "\
-          [ -e ./pygerritenv/bin/activate ] || virtualenv ./pygerritenv && \
           source ./pygerritenv/bin/activate && \
           pip install --upgrade -r requirements.txt -r test_requirements.txt"
 
+envinit:
+	bash -c "[ -e ./pygerritenv/bin/activate ] || virtualenv ./pygerritenv"
+
 clean:
 	@find . -type f -name "*.pyc" -exec rm -f {} \;
 	@rm -rf pygerritenv pygerrit.egg-info build dist