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Merge 24150: Exit status of null command should be exit status of last cmdsubst.

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Paul Ackersviller 2007-12-10 03:16:53 +00:00
parent 3ac2becb4f
commit 4736e253be
3 changed files with 17 additions and 1 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2007-12-09 Barton E. Schaefer <schaefer@zsh.org>
* 24150 plus unposted: Src/exec.c, Test/D08cmdsubst.ztst:
Retain exit status of last non-assignment command substitution
across variable assignment processing so that, in the event of
no command word to execute, the exit status of the statement is
that of the last command substitution (per POSIX).
2007-12-09 Peter Stephenson <p.w.stephenson@ntlworld.com>
* 24197, Src/utils.c, Src/Modules/datetime.c: interface to

2
Src/exec.c
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@ -1963,7 +1963,7 @@ execcmd(Estate state, int input, int output, int how, int last1)
lastval = 0;
return;
} else {
cmdoutval = 0;
cmdoutval = lastval;
if (varspc)
addvars(state, varspc, 0);
if (errflag)

8
Test/D08cmdsubst.ztst
View file

@ -81,3 +81,11 @@
>third: file1.txt file2.txt
>fourth: *
>fifth: file1.txt file2.txt
$(exit 0) $(exit 3) || print $?
0:empty command uses exit value of last substitution
>3
X=$(exit 2) $(exit 0) || print $?
0:variable assignments processed after other substitutions
>2