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List:       busybox
Subject:    sed bug report (Re: [BusyBox] BusyBox 1.0.0-pre8 released)
From:       Junio C Hamano <junkio () cox ! net>
Date:       2004-03-30 7:36:26
Message-ID: 7vhdw6g51h.fsf () assigned-by-dhcp ! cox ! net
[Download RAW message or body]

The sed command in busybox 1.0.0-pre8 loses leading whitespace in 'a'
command.  The one in busybox 1.0.0-pre3 does not have this
problem.

The following is a transcript that reproduces it. The first run
uses busybox 1.0.0-pre3 as "/bin/sed" command, hence gets the
expected result.  Later in the test, /bin/sed symlink is
changed to point at busybox 1.0.0-pre8 and the test script is
run again, which shows the failure.

root# cd /tmp
root# cat 1.sh
#!/bin/sh

cd /tmp
rm -f ipsec.conf ipsec.conf+
cat >ipsec.conf <<\EOF
version 2.0

config setup
        klipsdebug=none
        plutodebug=none
        plutostderrlog=/dev/null

conn %default
        keyingtries=1
        ...
EOF
        if grep nat_traversal >/dev/null ipsec.conf
        then
            :;
        else
            rm -f ipsec.conf+
            sed -e '/^config setup/a\
	nat_traversal=yes' ipsec.conf >ipsec.conf+ &&
            mv -f ipsec.conf+ ipsec.conf
        fi
root# sh -x 1.sh
+ cd /tmp
+ rm -f ipsec.conf ipsec.conf+
+ cat
+ grep nat_traversal ipsec.conf
+ rm -f ipsec.conf+
+ sed -e /^config setup/a\
        nat_traversal=yes ipsec.conf
+ mv -f ipsec.conf+ ipsec.conf
root# cat ipsec.conf
version 2.0

config setup
        nat_traversal=yes
        klipsdebug=none
        plutodebug=none
        plutostderrlog=/dev/null

conn %default
        keyingtries=1
        ...
root# sed --version
sed: invalid option -- -
BusyBox v1.00-pre3 (2004.02.26-18:47+0000) multi-call binary

Usage: sed [-nef] pattern [files...]

root# ln -s busybox-pre8 /bin/sed-8
root# mv /bin/sed-8 /bin/sed
root# sed --version
This is not GNU sed version 4.0
root# sed --
BusyBox v1.00-pre8 (2004.03.30-02:44+0000) multi-call binary

Usage: sed [-nef] pattern [files...]
root# sh -x 1.sh
+ cd /tmp
+ rm -f ipsec.conf ipsec.conf+
+ cat
+ grep nat_traversal ipsec.conf
+ rm -f ipsec.conf+
+ sed -e /^config setup/a\
        nat_traversal=yes ipsec.conf
+ mv -f ipsec.conf+ ipsec.conf
root# cat ipsec.conf
version 2.0

config setup
nat_traversal=yes
        klipsdebug=none
        plutodebug=none
        plutostderrlog=/dev/null

conn %default
        keyingtries=1
        ...
root# 



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