On Wed, Aug 25, 2021 at 08:17:10PM -0700, Carlo Marcelo Arenas Belón wrote: > 0be7d9b73d (test-lib: add test_dir_is_empty(), 2014-06-19) uses an > ERE through the egrep tool (which is not POSIX) using an ? operator > that isn't either. > > replace invocation with two equivalent simpler BRE instead. > > Signed-off-by: Carlo Marcelo Arenas Belón <carenas@xxxxxxxxx> > --- > t/test-lib-functions.sh | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh > index e28411bb75..2803c97df3 100644 > --- a/t/test-lib-functions.sh > +++ b/t/test-lib-functions.sh > @@ -790,7 +790,7 @@ test_path_exists () { > test_dir_is_empty () { > test "$#" -ne 1 && BUG "1 param" > test_path_is_dir "$1" && > - if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')" > + if test -n "$(ls -a1 "$1" | grep -v '^\.$' | grep -v '^\.\.$')" This replacement is correct, but I'm not sure that I necessarily find it simpler. If we really are concerned about egrep usage, then if test -n "$(find "$1" | grep -v '^\.$')" would suffice. But it looks like we are fairly OK with egrep in t (`git grep 'egrep' -- t | wc -l` turns up 19 matches), so I'm not sure the change is necessary in the first place. Thanks, Taylor