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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2016-10-25 18:12:15 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2016-10-25 18:12:15 +0200 |
| commit | 960ca385b721400082323da7f8cddb7f3cfb3027 (patch) | |
| tree | 99774852252f72d4769555e35516fcba24c6097c | |
| parent | 6a94cee409e4e2f4394d022703bfbe402c3cdee5 (diff) | |
| download | busybox-960ca385b721400082323da7f8cddb7f3cfb3027.tar.gz | |
ash: add comment explaining "set -e; $(cmd)" discrepancy
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/ash.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/shell/ash.c b/shell/ash.c index cf48b7743..79439bf3e 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -5924,6 +5924,14 @@ evalbackcmd(union node *n, struct backcmd *result) copyfd(pip[1], 1 | COPYFD_EXACT); close(pip[1]); } +/* TODO: eflag clearing makes the following not abort: + * ash -c 'set -e; z=$(false;echo foo); echo $z' + * which is what bash does (unless it is in POSIX mode). + * dash deleted "eflag = 0" line in the commit + * Date: Mon, 28 Jun 2010 17:11:58 +1000 + * [EVAL] Don't clear eflag in evalbackcmd + * For now, preserve bash-like behavior, it seems to be somewhat more useful: + */ eflag = 0; evaltree(n, EV_EXIT); /* actually evaltreenr... */ /* NOTREACHED */ |