check: add a flag for direct printing of test output

Add -d debug dump flag to ./check to directly print a test output
to stdout, instead of just saving it into a file and showing a diff
snippet.

Useful e.g. when writing a new test.

Signed-off-by: Jan Tulak <jtulak@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/check b/check
index aca4a1c92a40e5cdfc4e319e289084dfbbd90cb4..11b3db59212ba9c66bfde2ef00ffce6d80c200fa 100755 (executable)
--- a/check
+++ b/check
@@ -37,6 +37,8 @@ randomize=false
 export here=`pwd`
 xfile=""
 
+DUMP_OUTPUT=false
+
 # start the initialisation work now
 iam=check
 
@@ -74,6 +76,7 @@ check options
     -n                 show me, do not run tests
     -T                 output timestamps
     -r                 randomize test order
+    -d                 dump test output to stdout
     --large-fs         optimise scratch device for large filesystems
     -s section         run only specified section from config file
 
@@ -237,6 +240,7 @@ while [ $# -gt 0 ]; do
         -r)    randomize=true ;;
 
        -T)     timestamp=true ;;
+       -d)     DUMP_OUTPUT=true ;;
 
        --large-fs) export LARGE_SCRATCH_DEV=yes ;;
        --extra-space=*) export SCRATCH_DEV_EMPTY_SPACE=${r#*=} ;;
@@ -585,8 +589,14 @@ for section in $HOST_OPTIONS_SECTIONS; do
                        # _check_dmesg depends on this log in dmesg
                        touch ${RESULT_DIR}/check_dmesg
                fi
-               ./$seq >$tmp.rawout 2>&1
-               sts=$?
+               if [ "$DUMP_OUTPUT" = true ]; then
+                       ./$seq 2>&1 | tee $tmp.rawout
+                       # Because $? would get tee's return code
+                       sts=${PIPESTATUS[0]}
+               else
+                       ./$seq >$tmp.rawout 2>&1
+                       sts=$?
+               fi
                $timestamp && _timestamp
                stop=`_wallclock`