REGTEST: script: Add the option --keep-logs to keep all log directories

By default a log directory is kept only if the test fails. With this option it
is possible to always keep it. If this option is used, the result of all tests
are displayed (and not only the failing ones).

scripts/run-regtests.sh

@@ -22,6 +22,9 @@ _help()
     --debug to show test logs on standard ouput (implies --v)
       run-regtests.sh --debug
 
+    --keep-logs to keep all log directories (by default kept if test fails)
+      run-regtests.sh --keep-logs
+
     --varnishtestparams <ARGS>, passes custom ARGS to varnishtest
       run-regtests.sh --varnishtestparams "-n 10"
 
@@ -259,6 +262,9 @@ _process() {
           verbose=""
           debug="-v"
           ;;
+        --keep-logs)
+          keep_logs="-L"
+          ;;
         --LEVEL)
           LEVEL="$2"
           shift
@@ -295,6 +301,7 @@ REGTESTS=""
 jobcount=""
 verbose="-q"
 debug=""
+keep_logs="-l"
 testlist=""
 
 _process "$@";
@@ -412,27 +419,32 @@ if [ -n "$testlist" ]; then
   if [ -n "$jobcount" ]; then
     jobcount="-j $jobcount"
   fi
-  cmd="$VARNISHTEST_PROGRAM -l -k -t 10 $verbose $debug $jobcount $varnishtestparams $testlist"
+  cmd="$VARNISHTEST_PROGRAM -k -t 10 $keep_logs $verbose $debug $jobcount $varnishtestparams $testlist"
   eval $cmd
   _vtresult=$?
 else
   echo "No tests found that meet the required criteria"
 fi
-if [ $_vtresult != 0 ]
+
-then
+
-  echo "########################## Gathering failed results ##########################"
+if [ $_vtresult -eq 0 ]; then
+  # all tests were succesfull, removing tempdir (the last part.)
+  # ignore errors is the directory is not empty or if it does not exist
+   rmdir "$TESTDIR" 2>/dev/null
+fi
+
+if [ -d "${TESTDIR}" ]; then
+  echo "########################## Gathering results ##########################"
   export TESTDIR
   find "$TESTDIR" -type d -name "vtc.*" -exec sh -c 'for i; do
     if [ ! -e "$i/LOG" ] ; then continue; fi
+
     cat <<- EOF | tee -a "$TESTDIR/failedtests.log"
 $(echo "###### $(cat "$i/INFO") ######")
 $(echo "## test results in: \"$i\"")
 $(grep -- ---- "$i/LOG")
 EOF
   done' sh {} +
-  exit 1
-else
-  # all tests were succesfull, removing tempdir (the last part.)
-  rmdir "$TESTDIR"
 fi
-exit 0
+
+exit $_vtresult