Date: Mon, 15 Nov 2010 21:32:34 +0000 From: Alexander Best <arundel@freebsd.org> To: d@delphij.net Cc: freebsd-hackers@freebsd.org Subject: Re: changing gzip's symlink handling to be consistent with bzip2, xz and GNU gzip Message-ID: <20101115213234.GA32320@freebsd.org> In-Reply-To: <20101115212959.GA30608@freebsd.org> References: <20101115182409.GA97839@freebsd.org> <4CE19DDD.3070105@delphij.net> <20101115212959.GA30608@freebsd.org>
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On Mon Nov 15 10, Alexander Best wrote: > On Mon Nov 15 10, Xin LI wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA256 > > > > Hi, > > > > On 11/15/10 10:24, Alexander Best wrote: > > > hi there, > > > > > > any thoughts on this patch? it changes the semantics of gzip so that it is > > > consistent with the semantics of bzip2, xz and for more important GNU gzip. > > > > Could you please elaborate more about the GNU gzip behavior? > > > > By the way I also found some difference between BSD gzip and GNU gzip: > > > > touch foo > > ln -s foo.nonexistent foo.gz > > > > gzip foo > > gzip: could not create output: foo.gz: File exists > > > > /usr/local/bin/gzip foo > > gzip: foo.gz already exists; do you wish to overwrite (y or n)? ^C > > (case 1) > > ^^ confirmed! > > > > echo | /usr/local/bin/gzip foo > > gzip: foo.gz already exists; not overwritten > > ^^ this is only the GNU output. however bsd gzip seems to behave the same > > > > gzip -f foo > > gzip: could not create output: foo.gz: File exists > > > > /usr/local/bin/gzip -f foo > > (succeeded; case 2). > > ^^ confirmed! > > it appears the designers of BSD gzip did not take symbolic links into account. > sorry i messed up the subject line and your mail address in my previous message. i've fixed it in this one. cheers. alex > cheers. > alex > > > > > > > Cheers, > > - -- > > Xin LI <delphij@delphij.net> http://www.delphij.net/ > > FreeBSD - The Power to Serve! Live free or die > > -----BEGIN PGP SIGNATURE----- > > Version: GnuPG v2.0.16 (FreeBSD) > > > > iQEcBAEBCAAGBQJM4Z3cAAoJEATO+BI/yjfBLGoIAKcvx+bH6L0pJqLSv34bii6G > > 1FwXmPQqeIs+B5K8wNMmWblWLidJc2xkXxFCdJKsoZmgS6Hcakg6r1CzZ7tkjMAP > > CqYMG3cgkCiqZpgZ8QY3E3tmdxMqYk3EyII+TUv2xSNvUp8A7TPvC2vwS1eD3GzO > > OACbH/ULSJ30iMXi/A6nPkvEWesuExGplfpzzfJ0yCySKj/3HyXV87HxVw46LFYj > > XsG3F7WWUkVrIzCFGLgaN0ULRZlz30Fq4ODnm4sAnUJQx0hzHGUDmYkgLxqh50t5 > > AN81GC06I6XZttqIaM1FNm5Dp27Vh6uVfYd21lJ+g5ee5kXM6Fd03jSJOqZJiro= > > =QEEo > > -----END PGP SIGNATURE----- > > -- > a13x -- a13x
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