1 files changed, 8 insertions, 4 deletions
diff --git a/launch.sh b/launch.sh
index 73b08eac..ca100524 100755
--- a/launch.sh
+++ b/launch.sh
@@ -1,17 +1,20 @@
 #!/bin/sh
 poezio_dir=$(dirname "$0")
-VENV="poezio-venv"
+if [ -z "$POEZIO_VENV" ]
+then
+    POEZIO_VENV="poezio-venv"
+fi
 
 if [ -d "$poezio_dir/.git" ]
 then
     args=$(git --git-dir="$poezio_dir/.git" show --format='%h %ci' | head -n1)
 else
-    args="0.8.3-dev"
+    args="0.9-dev"
 fi
 
-if [ -e "$poezio_dir/$VENV" ]
+if [ -e "$poezio_dir/$POEZIO_VENV" ]
 then
-    PYTHON3="$poezio_dir/$VENV/bin/python3"
+    PYTHON3="$poezio_dir/$POEZIO_VENV/bin/python3"
 else
     echo ""
     echo "WARNING: Not using the up-to-date launch format"
@@ -21,5 +24,6 @@ else
     PYTHON3=python3
 fi
 
+$PYTHON3 -c 'import sys;(print("Python 3.4 or newer is required") and exit(1)) if sys.version_info < (3, 4) else exit(0)' || exit 1
 exec "$PYTHON3" "$poezio_dir/src/poezio.py" -v "$args" "$@"