From f54ec71fa4e6c4153a57d519b3524300946cd8b8 Mon Sep 17 00:00:00 2001
From: Marcos Paulo de Souza <mpdesouza@suse.com>
Date: Thu, 5 Mar 2020 23:57:52 -0300
Subject: [PATCH 1/2] btrfs-progs: tests: common: Introduce run_mayfail_stdout

This helper would help to run tests that can fail, but depending on the
output of the error we can skip the test instead of failing.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
---
 tests/common | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/tests/common b/tests/common
index f5efc58b..2f698e08 100644
--- a/tests/common
+++ b/tests/common
@@ -216,6 +216,37 @@ run_mayfail()
 	fi
 }
 
+# same as run_mayfail but prints the error message to stdout too
+run_mayfail_stdout()
+{
+	local spec
+	local ins
+	local ret
+
+	ins=$(_get_spec_ins "$@")
+	spec=$(($ins-1))
+	spec=$(_cmd_spec "${@:$spec}")
+	set -- "${@:1:$(($ins-1))}" $spec "${@: $ins}"
+	echo "====== RUN MAYFAIL $@" >> "$RESULTS" 2>&1
+	if [[ $TEST_LOG =~ tty ]]; then echo "CMD(mayfail): $@" > /dev/tty; fi
+
+	if [ "$1" = 'root_helper' ]; then
+		"$@" 2>&1 | tee -a "$RESULTS"
+	else
+		$INSTRUMENT "$@" 2>&1 | tee -a "$RESULTS"
+	fi
+	ret=${PIPESTATUS[0]}
+	if [ $ret != 0 ]; then
+		echo "failed (ignored, ret=$ret): $@" >> "$RESULTS"
+		if [ $ret == 139 ]; then
+			_fail "mayfail: returned code 139 (SEGFAULT), not ignored"
+		elif [ $ret == 134 ]; then
+			_fail "mayfail: returned code 134 (SIGABRT), not ignored"
+		fi
+		return $ret
+	fi
+}
+
 # first argument is error message to print if it fails, otherwise
 # same as run_check but expects the command to fail, output is logged
 run_mustfail()
-- 
2.25.0