Clean up shell script

Author: Andras Fekete

scripts/utils-wolfssl.sh

@@ -53,7 +53,7 @@ clone_wolfssl() {
             RET=$?
         fi
         if [ $RET != 0 ]; then
-            printf "ERROR.\n"
+            printf "ERROR cloning\n"
             do_cleanup
             exit 1
         fi
@@ -78,16 +78,14 @@ install_wolfssl() {
             CONF_ARGS+=" --enable-fips=ready"
             if [ ! -e "XXX-fips-test" ]; then
                 ./fips-check.sh keep nomakecheck fips-ready >>$LOG_FILE 2>&1
-                RET=$?
-                if [ $RET != 0 ]; then
+                if [ $? != 0 ]; then
                     printf "ERROR checking out FIPS\n"
                     rm -rf ${WOLFSSL_INSTALL_DIR}
                     do_cleanup
                     exit 1
                 fi
                 (cd XXX-fips-test && ./autogen.sh && ./configure ${CONF_ARGS} ${WOLFSSL_CONFIG_OPTS} CFLAGS="${WOLFSSL_CONFIG_CFLAGS}" && make && ./fips-hash.sh) >>$LOG_FILE 2>&1
-                RET=$?
-                if [ $RET != 0 ]; then
+                if [ $? != 0 ]; then
                     printf "ERROR compiling FIPS version of wolfSSL\n"
                     rm -rf ${WOLFSSL_INSTALL_DIR}
                     do_cleanup
@@ -98,8 +96,7 @@ install_wolfssl() {
         fi
 
         ./configure ${CONF_ARGS} ${WOLFSSL_CONFIG_OPTS} CFLAGS="${WOLFSSL_CONFIG_CFLAGS}" >>$LOG_FILE 2>&1
-        RET=$?
-        if [ $RET != 0 ]; then
+        if [ $? != 0 ]; then
             printf "ERROR running ./configure\n"
             rm -rf ${WOLFSSL_INSTALL_DIR}
             do_cleanup