Date: Sun, 06 Oct 1996 09:08:22 -0500 From: VaX#n8 <vax@linkdead.paranoia.com> To: freebsd-bugs@freebsd.org Subject: /bin/sh fix for ya Message-ID: <199610061408.JAA08243@linkdead.paranoia.com>
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how-to-repeat:
/bin/sh -ec 'false && true; echo hi'
this conflicts with:
-e errexit
If not interactive, exit immediately if any
untested command fails. The exit status of a
command is considered to be explicitly tested if
the command is used to control an if, elif, while,
or until; or if the command is the left hand
operand of an ``&&'' or ``||'' operator.
PS: Thanks for letting me (well, anyone) use the cool CVS tree
website. It's fairly convenient in some cases (other times I wish
I had full shell/CVS access but oh well).
I "fixed" a few things in NetBSD with your changes.
...OS hacking without prejudice.... the VaX#n8er...
fix:
--- ../sh.netbsd/eval.c Tue Jun 11 06:14:10 1996
+++ eval.c Sun Oct 6 08:43:15 1996
@@ -207,8 +207,11 @@
break;
case NAND:
evaltree(n->nbinary.ch1, EV_TESTED);
- if (evalskip || exitstatus != 0)
+ if (evalskip || exitstatus != 0) {
+ /* don't bomb out on "set -e; false && true" */
+ flags |= EV_TESTED;
goto out;
+ }
evaltree(n->nbinary.ch2, flags);
break;
case NOR:
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