Re: bin/54467: new tar overwrites symlinks to directories

[Hisashi T Fujinaka <htodd%twofifty.com@localhost>]

The following reply was made to PR bin/54467; it has been noted by GNATS.

From: Hisashi T Fujinaka <htodd%twofifty.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, martin%NetBSD.org@localhost
Subject: Re: bin/54467: new tar overwrites symlinks to directories
Date: Sun, 18 Aug 2019 13:39:14 -0700 (PDT)

 On Sun, 18 Aug 2019, John D. Baker wrote:
 
 > The following reply was made to PR bin/54467; it has been noted by GNATS.
 >
 > From: "John D. Baker" <jdbaker%consolidated.net@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc:
 > Subject: Re: bin/54467: new tar overwrites symlinks to directories
 > Date: Sat, 17 Aug 2019 20:40:07 -0500 (CDT)
 >
 > On Thu, 15 Aug 2019 16:25:00 +0000 (UTC), martin%NetBSD.org@localhost wrote:
 >
 > > The new tar(1) is overeager in restoring directories if those already
 > > exist as a symlink to another directory.
 >
 > > This kills updates on machines that have /usr as a symlink to someplace
 > > else
 >
 > This also kills 'named' if one has it running chrooted.  The migration
 > process copies "/etc/namedb/*" to "/var/chroot/named/etc/namedb/" and
 > replaces "/etc/namedb" with a symlink.
 >
 > After an update, "/etc/namedb" is overwritten back to a directory and
 > the subsequent 'etcupdate' reports "root.cache", "bind.keys", etc. as
 > missing.
 
 As well as unbound. I was wondering why it kept getting clobbered until
 I saw this thread.
 
 -- 
 Hisashi T Fujinaka - htodd%twofifty.com@localhost
 BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee