refactor: code indents in install_submodules.sh and prepare.sh

scripts/install_submodules.sh

@@ -19,7 +19,7 @@ This script is used to download sources of ostis-web-platform and submodules
 and install them. The exact behavior is configured via run arguments.
 
 Options:
-  update: Remove ostis-web-platform submodules sources and download them from scratch.
+  --update: Remove ostis-web-platform submodules sources and download them from scratch.
 USAGE
   exit 1
 }
@@ -61,23 +61,17 @@ update=0
 while [ "$1" != "" ];
 do
   case $1 in
-    "update" )
+    "--update" )
       update=1
       ;;
-    "--help" )
-      usage
-      ;;
-    "help" )
-      usage
-      ;;
-    "-h" )
+    "--help" | "-h" )
       usage
       ;;
     * )
       usage
       ;;
-      esac
-      shift
+  esac
+  shift 1
 done
 
 stage "Clone submodules"

scripts/prepare.sh

@@ -57,7 +57,7 @@ prepare()
   echo -en "$1\n"
 }
 
-if (( ${build_sc_machine} == 1 ));
+if (( build_sc_machine == 1 ));
 then
   prepare "SC-machine"
 
@@ -69,15 +69,15 @@ then
 fi
 
 
-if (( ${build_sc_web} == 1 )); then
+if (( build_sc_web == 1 )); then
   prepare "SC-web"
 
   "${SC_WEB_PATH}/scripts/install_deps_ubuntu.sh"
 
   "${SC_WEB_PATH}/scripts/build_sc_web.sh"
 fi
 
-if (( ${build_kb} == 1 )); then
+if (( build_kb == 1 )); then
   stage "Build knowledge base"
   "${PLATFORM_PATH}/scripts/build_kb.sh"
 fi