From cddbb610cb0ea8d74668653aeaded710d2d13768 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 20 May 2010 14:27:09 +0200 Subject: hush: fix var=`exit 2` not setting $? to 2 Signed-off-by: Denys Vlasenko --- shell/hush_test/hush-psubst/falsetick.tests | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 shell/hush_test/hush-psubst/falsetick.tests (limited to 'shell/hush_test/hush-psubst/falsetick.tests') diff --git a/shell/hush_test/hush-psubst/falsetick.tests b/shell/hush_test/hush-psubst/falsetick.tests new file mode 100755 index 000000000..44d2eae8b --- /dev/null +++ b/shell/hush_test/hush-psubst/falsetick.tests @@ -0,0 +1,22 @@ +# Exitcode 0 (`` has no exitcode, but assignment has): +true; a=``; echo $? +false; a=``; echo $? +true; a=$(); echo $? +false; a=$(); echo $? +# Exitcode 2 (`cmd` expansion sets exitcode after assignment set it to 0): +true; a=`exit 2`; echo $? +false; a=`exit 2`; echo $? +true; a=$(exit 2); echo $? +false; a=$(exit 2); echo $? +# Exitcode 1 (redirect sets exitcode to 1 on error after them): +true; a=`` >/does/not/exist; echo $? +false; a=`` >/does/not/exist; echo $? +true; a=$() >/does/not/exist; echo $? +false; a=$() >/does/not/exist; echo $? +true; a=`exit 2` >/does/not/exist; echo $? +false; a=`exit 2` >/does/not/exist; echo $? +true; a=$(exit 2) >/does/not/exist; echo $? +false; a=$(exit 2) >/does/not/exist; echo $? +# ...and assignment still happens despite redirect error: +true; a=$(echo b) >/does/not/exist; echo $? +echo "Done: a=$a" -- cgit v1.2.3