git: sh: Save/restore changed variables in optimized command sub
commit 329310630e302987fe923eb19b075d3cdd16a9f6
Author: Peter Avalos <pavalos@dragonflybsd.org>
Date: Sun Aug 21 13:54:19 2011 -0700
sh: Save/restore changed variables in optimized command substitution.
In optimized command substitution, save and restore any variables
changed by expansions (${var=value} and $((var=assigned))), instead of
trying to determine if an expansion may cause such changes.
If $! is referenced in optimized command substitution, do not cause jobs
to be remembered longer.
This fixes $(jobs $!) again, simplifies the man page and shortens the
code.
Obtained-from: FreeBSD 223024
Summary of changes:
bin/sh/eval.c | 20 +++++++++------
bin/sh/expand.c | 74 +------------------------------------------------------
bin/sh/expand.h | 3 +-
bin/sh/jobs.c | 6 +++-
bin/sh/sh.1 | 7 +---
bin/sh/var.c | 12 ++++++---
bin/sh/var.h | 4 ++-
7 files changed, 31 insertions(+), 95 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/329310630e302987fe923eb19b075d3cdd16a9f6
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