On 3/18/25 10:05, Yosry Ahmed wrote:
'realpath' is not always available,  fallback to 'readlink -f' if is not
available. They seem to work equally well in this context.

Can you add more specifics on "realpath" is not always available,"

No issues with the patch itself. I would like to know the cases
where "realpath" command is missing.



Signed-off-by: Yosry Ahmed <yosry.ah...@linux.dev>
---
  tools/testing/selftests/run_kselftest.sh | 9 ++++++++-
  1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/run_kselftest.sh 
b/tools/testing/selftests/run_kselftest.sh
index 50e03eefe7ac7..0443beacf3621 100755
--- a/tools/testing/selftests/run_kselftest.sh
+++ b/tools/testing/selftests/run_kselftest.sh
@@ -3,7 +3,14 @@
  #
  # Run installed kselftest tests.
  #
-BASE_DIR=$(realpath $(dirname $0))
+
+# Fallback to readlink if realpath is not available
+if which realpath > /dev/null; then
+        BASE_DIR=$(realpath $(dirname $0))
+else
+        BASE_DIR=$(readlink -f $(dirname $0))
+fi
+
  cd $BASE_DIR
  TESTS="$BASE_DIR"/kselftest-list.txt
  if [ ! -r "$TESTS" ] ; then

thanks,
-- Shuah


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