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authorDenys Vlasenko <vda.linux@googlemail.com>2016-09-28 19:44:16 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2016-09-28 19:44:16 +0200
commit7ee7c6fc20d3b94c257f829dece097ff339895ee (patch)
treecf9671d7c27905e7c5d1597ee51363325aeeca5c /testsuite/bunzip2/bunzip2-removes-compressed-file
parenteb17b6f6c99df4a132742facd43a9485bb7ac5a0 (diff)
downloadbusybox-7ee7c6fc20d3b94c257f829dece097ff339895ee.tar.gz
ash: Remove unused EV_BACKCMD flag
The original ash defered forking commands in backquotes so builtins could be run in the same context as the shell. This behavior was controlled using the EV_BACKCMD to evaltree. Unfortunately, as Matthias Scheler noticed in 1999 (NetBSD PR/7814), the result was counterintuitive; for example, echo "`cd /`" would change the cwd. So ash 0.3.5 left out that optimization. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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