Date: Thu, 14 Mar 2019 21:36:36 -0600 From: Warner Losh <imp@bsdimp.com> To: Ed Maste <emaste@freebsd.org> Cc: "Rodney W. Grimes" <rgrimes@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org> Subject: Re: svn commit: r345138 - head/share/man/man9 Message-ID: <CANCZdfp7GvP2Sk=vC%2BNvy0n3AbCLWQwAJupOXS9W6Lv0k8Vnmw@mail.gmail.com> In-Reply-To: <CAPyFy2Caxx-MSRqFruV%2Bq-A9LJbzP-okJvWLAmQaLKgOW8uQnQ@mail.gmail.com> References: <CAPyFy2B09hOx=tSNOMSCyhW9SdP_5ySfOuTFQZvZutfhgTi2bg@mail.gmail.com> <201903150239.x2F2dH9m028042@gndrsh.dnsmgr.net> <CAPyFy2Caxx-MSRqFruV%2Bq-A9LJbzP-okJvWLAmQaLKgOW8uQnQ@mail.gmail.com>
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On Thu, Mar 14, 2019 at 9:31 PM Ed Maste <emaste@freebsd.org> wrote: > On Thu, 14 Mar 2019 at 22:39, Rodney W. Grimes > <freebsd@gndrsh.dnsmgr.net> wrote: > > > > 4. There is no easy way to show > > "changed byte at offset 0x432 from 0xef to 0xfe" > > But this is not that easy with uuencoded files, either - I'd just end > up uudecoding both files before running cmp -x. And for the case under > discussion here (firmware files) we treat them as opaque binary > objects; comparing them is generally not interesting anyway. > All binaries in the tree are versioned opaque objects. #4 isn't a use case we care about, nor is it something we can to today. > > Do we have a decent binary diff and binary patch tool? > > We have bsdiff and bspatch, but their output is not designed for human > consumption or editing. > IIRC, git also has a way to transition from one binary to another in an externalized fashion. Warner
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