From e781dd7866a1df5cb5447c5b9abac60354732da9 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Sat, 15 Oct 2022 21:43:50 +0200
Subject: Makefile: add venv-update command

It should fetch dependencies from setup.cfg and update them to the
latest version.
---
 Makefile | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 6904c9d..e685816 100644
--- a/Makefile
+++ b/Makefile
@@ -121,13 +121,24 @@ buildx/push:
 
 venv_dir := .venv
 
-.PHONY: venv
-venv:
+.PHONY: venv-reset
+venv-reset:
 	rm -rf -- '$(call escape,$(venv_dir))'
 	mkdir -p -- '$(call escape,$(venv_dir))'
 	python -m venv -- '$(call escape,$(venv_dir))'
+
+.PHONY: venv
+venv: venv-reset
 	. '$(call escape,$(venv_dir))/bin/activate' && pip install -r requirements.txt
 
+# Is there a better way?
+.PHONY: venv-update
+venv-update: venv-reset
+	. '$(call escape,$(venv_dir))/bin/activate' \
+		&& pip install . \
+		&& pip uninstall --yes "$$( python setup.py --name )" \
+		&& pip freeze > requirements.txt
+
 .PHONY: py
 py: python
 
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