Debian: color for postinst configure

1 files changed, 28 insertions, 9 deletions

diff --git a/debian/python3-django-ishtar.postinst b/debian/python3-django-ishtar.postinst
index dc43cb0ed..833243495 100644
--- a/debian/python3-django-ishtar.postinst
+++ b/debian/python3-django-ishtar.postinst
@@ -3,6 +3,23 @@
 set -e
 #set -x
 
+cecho() {
+  local code="\033["
+  case "$1" in
+    black  | bk) color="${code}0;30m";;
+    red    |  r) color="${code}1;31m";;
+    green  |  g) color="${code}1;32m";;
+    yellow |  y) color="${code}1;33m";;
+    blue   |  b) color="${code}1;34m";;
+    purple |  p) color="${code}1;35m";;
+    cyan   |  c) color="${code}1;36m";;
+    gray   | gr) color="${code}0;37m";;
+    *) local text="$1"
+  esac
+  [ -z "$text" ] && local text="$color$2${code}0m"
+  echo "$text"
+}
+
 DATA_DIR=/srv/ishtar
 CONFIG_PATH=/etc/ishtar
 INSTANCES_FILE=$CONFIG_PATH/instances
@@ -16,14 +33,14 @@ case "$1" in
         . $CONFIG_PATH/config
         export LANG=$ISHTAR_LOCALE.UTF-8
         if [ "$(locale 2>&1 >/dev/null|wc -l)" != 0 ]; then
-            echo r "Unable to set LANG=$LANG properly"
-            echo "Try: 'dpkg-reconfigure locales' or install the 'locales-all' package."
-            echo "If you want to use another locale, modify /etc/ishtar/config properly."
+            cecho r "Unable to set LANG=$LANG properly"
+            cecho y "Try: 'dpkg-reconfigure locales' or install the 'locales-all' package."
+            cecho y "If you want to use another locale, modify /etc/ishtar/config properly."
             exit 1
         fi
         instances="$( (cat $INSTANCES_FILE 2>/dev/null || true) | xargs )"
         if [ -n "$instances" ]; then
-            echo "updading instances found in $INSTANCES_FILE: $instances"
+            cecho g "Updading instances found in $INSTANCES_FILE: $instances"
             messages_compiled="";
             for instance in $instances; do
                 if [ ! $messages_compiled ]; then
@@ -32,24 +49,26 @@ case "$1" in
                 fi
                 # The upgrade procedure below was built from the "update"
                 # target and its dependencies in the upstream Makefile:
-                echo "updating $instance"
+                cecho g "Updating $instance"
                 cd $DATA_DIR/$instance
                 # migrate
                 python3 manage.py migrate
                 # "collectstatic"
                 python3 manage.py collectstatic --noinput
-                echo "updating $instance: OK"
+                cecho g "Updating $instance: OK"
             done
-            echo "updating all instances: OK"
+            cecho g "Updating all instances: OK"
 
             # the assumption is that nginx and uwsgi were configured
             # through ishtar-prepare-instance, so let's restart them
             # unconditionally:
             invoke-rc.d uwsgi restart
             invoke-rc.d nginx restart
-            echo "restarting uwsgi and nginx: OK"
+            cecho g "Restarting uwsgi and nginx: OK"
         else
-            echo "found no instances to upgrade in $INSTANCES_FILE"
+            cecho g "Found no instances to update in $INSTANCES_FILE"
+            cecho g "To create a new instance:"
+            cecho y "    ishtar-prepare-instance"
         fi
     ;;