Added test_command_install for installing a package if a command is missing.

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4330 818b1a75-f10b-46b9-bf7c-635c3b92a50f

openair-cn/SCRIPTS/utils.bash

@@ -98,7 +98,9 @@ set_openair() {
     declare -i index
     length_path=${#path}
 
-    index=`echo $path | grep -b -o 'targets' | cut -d: -f1`
+    for i in 'openair1' 'openair2' 'openair3' 'openair-cn' 'targets'
+    do
+        index=`echo $path | grep -b -o $i | cut -d: -f1`
         #echo ${path%$token*}
         if [[ $index -lt $length_path  && index -gt 0 ]]
            then
@@ -107,26 +109,14 @@ set_openair() {
                openair_path=`echo $path | cut -c1-$index`
                #openair_path=`echo ${path:0:$index}`
                export OPENAIR_DIR=$openair_path
+               export OPENAIR_HOME=$openair_path
                export OPENAIR1_DIR=$openair_path/openair1
                export OPENAIR2_DIR=$openair_path/openair2
                export OPENAIR3_DIR=$openair_path/openair3
                export OPENAIR_TARGETS=$openair_path/targets
                return 0
            fi
-    index=`echo $path | grep -b -o 'openair3' | cut -d: -f1`
-    if [[ $index -lt $length_path  && index -gt 0 ]]
-       then
-           declare -x OPENAIR_DIR
-           index=`expr $index - 1`
-           openair_path=`echo $path | cut -c1-$index`
-           #openair_path=`echo ${path:0:$index}`
-           export OPENAIR_DIR=$openair_path
-           export OPENAIR1_DIR=$openair_path/openair1
-           export OPENAIR2_DIR=$openair_path/openair2
-           export OPENAIR3_DIR=$openair_path/openair3
-           export OPENAIR_TARGETS=$openair_path/targets
-           return 0
-    fi
+    done
     return -1
 }
 
@@ -182,6 +172,12 @@ assert() {
     fi
 }
 
+test_command_install() {
+  # usage: test_command_install searched_binary package_to_be_installed_if_binary_not_found
+  command -v $1 >/dev/null 2>&1 || { echo_warning "Program $1 is not installed. Trying installing it." >&2; apt-get install $2 -y; command -v $1 >/dev/null 2>&1 || { echo_error "Program $1 is not installed. Aborting." >&2; exit 1; };}
+  echo_success "$1 available"
+}
+
 start_openswitch_daemon() {
   rmmod -s bridge
   if [[ -e "/lib/modules/`uname -r`/extra/openvswitch.ko" ]] ; then