coccicheck: Allow to show the executed command line

On my system one of the tests failed with
"Fatal error: exception Failure("No OCaml compiler found! Install either ocamlopt or ocamlopt.opt")".

Investigating such issues is easier if the executed command line is
being shown.
Signed-off-by: NBernd Schubert <bernd.schubert@itwm.fraunhofer.de>
CC: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: NNicolas Palix <nicolas.palix@imag.fr>
Signed-off-by: NMichal Marek <mmarek@suse.cz>

scripts/coccicheck

@@ -55,6 +55,14 @@ if [ "$ONLINE" = "0" ] ; then
     echo ''
 fi
 
+run_cmd() {
+	if [ $VERBOSE -ne 0 ] ; then
+		echo "Running: $@"
+	fi
+	eval $@
+}
+
+
 coccinelle () {
     COCCI="$1"
 
@@ -100,15 +108,21 @@ coccinelle () {
     fi
 
     if [ "$MODE" = "chain" ] ; then
-	$SPATCH -D patch   $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
-	$SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
-	$SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
-	$SPATCH -D org     $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
+	run_cmd $SPATCH -D patch   \
+		$FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
+	run_cmd $SPATCH -D report  \
+		$FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
+	run_cmd $SPATCH -D context \
+		$FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
+	run_cmd $SPATCH -D org     \
+		$FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
     elif [ "$MODE" = "rep+ctxt" ] ; then
-	$SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \
-	$SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+	run_cmd $SPATCH -D report  \
+		$FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \
+	run_cmd $SPATCH -D context \
+		$FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
     else
-	$SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+	run_cmd $SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
     fi
 
 }