From 302ab363176492b0875c635ef4ddbdc2c8301ddb Mon Sep 17 00:00:00 2001
From: Christoph Polcin <coco@miconoco.de>
Date: Thu, 26 Nov 2020 15:50:19 +0100
Subject: [PATCH] add venv

---
 venv | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100755 venv

diff --git a/venv b/venv
new file mode 100755
index 0000000..541cdcd
--- /dev/null
+++ b/venv
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -eu
+
+app="${0##*.}"
+VENV=${VENV:-~/.venv}
+PY=${PY:-python3}
+
+if [ "$app" = "$0" ]; then
+	# TODO URL from ARGS to support git ...
+	[ $# = 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] && cat <<EOF >&2 && exit 1
+usage: $(basename "$0") APP -> $(basename "$0").APP [freeze]
+
+ENV
+  VENV=${VENV}
+  PY=${PY}
+EOF
+	ln -srf "${0}" "${0}.${1}"
+	app="$1"
+fi
+
+aenv="$VENV/$app"
+req="$VENV/$app.requirements.txt"
+
+# TODO destroy python version if changed
+[ ! -d "$aenv" ] && PY -m venv "$aenv"
+
+[ $# -gt 0 ] && [ "$1" = "freeze" ] && "$aenv/bin/pip" freeze | tee "$req" && exit 0
+
+"$aenv/bin/python" -m pip install --upgrade pip
+
+if [ -f "$req" ]; then
+	"$aenv/bin/pip" install -r "$req"
+else
+	"$aenv/bin/pip" install --upgrade "$app"
+fi
+
+# TODO symlink all to $venv/bin or ~/.local/bin
+ln -srf "$aenv/bin/$app" ~/bin
-- 
2.34.2