round-robin.sh: Fix bisect test builds

... which now use "update_baseline == ignore".  Fail on regressions
for "onsuccess" and "ignore" values.  Ignore regressions for "force"
value, and assert that there can be no regression for "init" value.

Change-Id: I51219b7f3ab50e19a19e6fe5d514bcb80d1e6e1a

1 files changed, 4 insertions, 5 deletions

diff --git a/round-robin.sh b/round-robin.sh
index b259f578..810714cb 100644
--- a/round-robin.sh
+++ b/round-robin.sh
@@ -663,6 +663,9 @@ check_regression ()
 	exit $EXTERNAL_FAIL
     fi
 
+    assert_with_msg "no_regression_p should succeed in init baseline mode" \
+		    [ x"${rr[update_baseline]}" != x"init" ]
+
     if [ -f $run_step_artifacts/results.regressions ]; then
 	# Add regression info generated by no_regression_p to top-level
 	# results file.
@@ -770,13 +773,9 @@ EOF
 	)
     fi
 
-    if [ x"${rr[update_baseline]}" = x"onsuccess" ]; then
+    if [ x"${rr[update_baseline]}" != x"force" ]; then
 	echo "Detected a regression!"
 	false
-    else
-	# Compare results to generate logs and other artifacts,
-	# but we don't really care about regressions.
-	:
     fi
     )
 }