From 0a7b4360adb26b102d85f3191f1061ce7f8dceb6 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Sat, 24 Jan 2015 18:00:48 +0100
Subject: [PATCH] =?UTF-8?q?Add=20a=20check=20to=20abort=20early=20if=20the?=
 =?UTF-8?q?=20pyvenv=20command=20needed=20in=20update.sh=20doesn=E2=80=99t?=
 =?UTF-8?q?=20exist?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 update.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/update.sh b/update.sh
index dfaadd00..bacd502d 100755
--- a/update.sh
+++ b/update.sh
@@ -16,6 +16,15 @@ if [ -z "$POEZIO_VENV_COMMAND" ]
 then
     POEZIO_VENV_COMMAND="pyvenv"
 fi
+command -v $POEZIO_VENV_COMMAND > /dev/null 2>&1 || {
+    echo "'$POEZIO_VENV_COMMAND' executable not found. Check that you have python (>= 3.4) installed,"
+    echo " and that \$POEZIO_VENV_COMMAND points to a valid virtualenv command."
+    if [ "$POEZIO_VENV_COMMAND" = 'pyvenv' ]; then
+        echo "If your distribution does not provide a 'pyvenv' command, maybe it has another name, like 'pyvenv-3.4'"
+        echo 'Set the $POEZIO_VENV_COMMAND env variable to the name of that executable and this script will use it.'
+    fi
+    exit 1
+}
 
 echo 'Updating poezio'
 git pull origin master || {