Ref #84: add a confirmation before running the build and a parameter …

…to bypass it.

Change-Id: I6ae9eefaca990b57ead71f667904bd66a576f113

bin/combawa.sh

@@ -31,6 +31,7 @@ CONFIG_DIR="$COMBAWA_ROOT/config"
 COMBAWA_SCRIPTS_DIR="$COMBAWA_ROOT/scripts/combawa"
 
 # State variables.
+_COMBAWA_BYPASS_CONFIRMATION=0
 _COMBAWA_ONLY_PREDEPLOY=0
 _COMBAWA_ONLY_POSTDEPLOY=0
 _COMBAWA_NO_PREDEPLOY=0
@@ -101,6 +102,9 @@ do
     shift
   else
     case $key in
+      -y | --yes)
+        _COMBAWA_BYPASS_CONFIRMATION=1
+        ;;
       -e | --env)
         case $2 in
           dev|testing|prod)
@@ -243,6 +247,18 @@ else
   echo -e "$USAGE"
 fi
 
+if [[ $_COMBAWA_BYPASS_CONFIRMATION == 0 ]]; then
+  #################################
+  section_separator
+  #################################
+
+  message_step "Confirmation:"
+  read -p "Are you sure that you want to run this build [yN]? " -n 1 -r
+  if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+    [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
+  fi
+fi
+
 #################################
 section_separator
 #################################

utils/functions.sh

@@ -91,6 +91,8 @@ usage()
   echo -e "${bold}\t--only-predeploy:${normal} Only process predeploy actions."
   echo -e "${bold}\t--only-postdeploy:${normal} Only process postdeploy actions."
   echo ''
+  echo -e "${bold}\t--yes, -y: Bypass confirmation step.${normal}"
+  echo ''
   echo -e "${bold}\t--backup, -b: Generates a backup before building the project.${normal}"
   echo -e '\t\tAllowed values are: 0: does not generate a backup, 1: generates a backup.'
   echo -e '\t\tDefault value: 1'