From 437bc2cdc3afbfcb87598c1a93a3b2b15ffb719a Mon Sep 17 00:00:00 2001
From: Olivier DOSSMANN <olivier+git@dossmann.net>
Date: Thu, 14 Jan 2016 11:24:08 +0100
Subject: [PATCH] [IMP] Launch script: help to use another configuration file
 to launch multiple instance with different configuration of Gissmo

---
 launch.sh | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/launch.sh b/launch.sh
index 202dbcd..014d22f 100755
--- a/launch.sh
+++ b/launch.sh
@@ -15,17 +15,28 @@ POSTGRES_VERSION="9.5"
 GISSMO_DOCKER_NAME="gissmo"
 
 ## User
-CONFIG_FILENAME="config"
-if test -z $XDG_CONFIG_HOME; then
-  CONFIG_DEFAULT_DIR="${HOME}/.config/gissmo"
-else
-  CONFIG_DEFAULT_DIR="${XDG_CONFIG_HOME}"
-fi
-CONFIG_FILE="${CONFIG_DEFAULT_DIR}/${CONFIG_FILENAME}"
-if ! test -f ${CONFIG_FILE}; then
-  CONFIG_FILE="${PWD}/${CONFIG_FILENAME}"
+if test -z "$GISSMO_CFG"; then
+  # No Gissmo Launcher configuration file given. Search one.
+  CONFIG_FILENAME="config"
+  # first in XDG directory, otherwise ~/.config one.
+  if test -z $XDG_CONFIG_HOME; then
+    CONFIG_DEFAULT_DIR="${HOME}/.config/gissmo"
+  else
+    CONFIG_DEFAULT_DIR="${XDG_CONFIG_HOME}"
+  fi
+  CONFIG_FILE="${CONFIG_DEFAULT_DIR}/${CONFIG_FILENAME}"
   if ! test -f ${CONFIG_FILE}; then
-    echo "'config' file not found. Use 'config.example' file and copy it to 'config' one either in ${CONFIG_DEFAULT_DIR} or ${PWD}. Then try again!"
+    CONFIG_FILE="${PWD}/${CONFIG_FILENAME}"
+    if ! test -f ${CONFIG_FILE}; then
+      echo "'config' file not found. Use 'config.example' file and copy it to 'config' one either in ${CONFIG_DEFAULT_DIR} or ${PWD}. Then try again!"
+      exit 1
+    fi
+  fi
+else
+  # Gissmo Launcher configuration file is given! Check it.
+  CONFIG_FILE=$GISSMO_CFG
+  if ! test -f $CONFIG_FILE; then
+    echo "Configuration file not found: ${CONFIG_FILE}"
     exit 1
   fi
 fi
@@ -89,6 +100,10 @@ show_help() {
   echo -e "    $PROGRAM stop"
   echo -e "    $PROGRAM start python manage.py shell"
   echo -e "    $PROGRAM stop"
+  echo ""
+  echo -e "If GISSMO_CFG used, you can specify another configuration file. Example:"
+  echo ""
+  echo -e "    GISSMO_CFG=~/new_config $PROGRAM"
   # TODO: Add clean() command to STOP and DELETE Gissmo Docker container
   # TODO: Add clean_db() command to STOP and DELETE postgreSQL Docker container
   # TODO: Add clean_all() command that makes clean() and clean_db()