busybox-w32/shell/ash_test/ash-vars/param_expand_alt2.tests, branch zstdA mirror of https://github.com/rmyorston/busybox-w32.git
https://git.lua4.win/busybox-w32/atom?h=zstd2018-04-11T10:39:18+00:00ash: parser: Allow newlines within parameter substitution2018-04-11T10:39:18+00:00Denys Vlasenkovda.linux@googlemail.com2018-04-11T10:39:18+00:00urn:sha1:680c3016a2dddc3edb4d79868a728e899638e2c4
Upstream commit:
Date: Thu, 22 Mar 2018 21:41:24 +0800
parser: Allow newlines within parameter substitution
On Fri, Mar 16, 2018 at 11:27:22AM +0800, Herbert Xu wrote:
> On Thu, Mar 15, 2018 at 10:49:15PM +0100, Harald van Dijk wrote:
> >
> > Okay, it can be trivially modified to something that does work in other
> > shells (even if it were actually executed), but gets rejected at parse time
> > by dash:
> >
> > if false; then
> > : ${$+
> > }
> > fi
>
> That's just a bug in dash's parser with ${} in general, because
> it bombs out without the if clause too:
>
> : ${$+
> }
This patch fixes the parsing of newlines with parameter substitution.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>