From 162f0b1477e49cb804135765016cf9b4200cdb7f Mon Sep 17 00:00:00 2001
From: Waqar Ahmed <waqarahmedjoyia@live.com>
Date: Tue, 20 Apr 2021 18:10:47 +0500
Subject: [PATCH] Add ability to create/manage virtual env via makefile

---
 .gitignore       |  1 +
 Makefile         | 31 +++++++++++++++++++++----------
 requirements.txt |  4 ++++
 3 files changed, 26 insertions(+), 10 deletions(-)
 create mode 100644 requirements.txt

diff --git a/.gitignore b/.gitignore
index 6de945d..691da92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ build/
 dist/
 scale_build.egg-info/
 scale_build/__pycache__/
+venv-*
diff --git a/Makefile b/Makefile
index 86f4768..e48b013 100644
--- a/Makefile
+++ b/Makefile
@@ -2,16 +2,27 @@
 # Makefile for building: TrueNAS SCALE
 #############################################################################
 PYTHON?=/usr/bin/python3
+COMMIT_HASH=$(shell git rev-parse --short HEAD)
+
+check:
+ifeq ("$(wildcard ./venv-${COMMIT_HASH})","")
+	@rm -rf venv-*
+	@apt install -y python3-distutils python3-pip python3-venv >/dev/null 2>&1
+	@${PYTHON} -m venv venv-${COMMIT_HASH}
+	@. ./venv-${COMMIT_HASH}/bin/activate && \
+		python3 -m pip install -r requirements.txt >/dev/null 2>&1 && \
+		python3 setup.py install >/dev/null 2>&1;
+endif
 
 all: checkout packages update iso
 
-clean:
-	${PYTHON} scale_build clean
-checkout:
-	${PYTHON} scale_build checkout
-iso:
-	${PYTHON} scale_build iso
-packages:
-	${PYTHON} scale_build packages
-update:
-	${PYTHON} scale_build update
+clean: check
+	. ./venv-${COMMIT_HASH}/bin/activate && scale_build clean
+checkout: check
+	. ./venv-${COMMIT_HASH}/bin/activate && scale_build checkout
+iso: check
+	. ./venv-${COMMIT_HASH}/bin/activate && scale_build iso
+packages: check
+	. ./venv-${COMMIT_HASH}/bin/activate && scale_build packages
+update: check
+	. ./venv-${COMMIT_HASH}/bin/activate && scale_build update
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..590f702
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+toposort
+psutil
+pyyaml
+requests