From owner-freebsd-hackers@freebsd.org Sun May 13 02:50:36 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 903BDFE1771 for ; Sun, 13 May 2018 02:50:36 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-qk0-x22f.google.com (mail-qk0-x22f.google.com [IPv6:2607:f8b0:400d:c09::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 32D5F81F25 for ; Sun, 13 May 2018 02:50:36 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: by mail-qk0-x22f.google.com with SMTP id s83-v6so2320526qke.7 for ; Sat, 12 May 2018 19:50:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=RYqWUl9MClmPzkwCYTbZW4NDmebp2Tvhkgy7x88Mp+Y=; b=fF1OryofpuKf/zc9J0xdyqq5oIqFBECLxOeqlk445agbLWHsKDDBsAPANEIg0kJhqN YA8mofbVlda5x8KQ7H1Du6a+2SxJWJd7TwO89s7j6zVLXO/Hg7qrTcYhxOyuipO/bIWS he9Zg9Fe/6RGkZcMOZ+gIrWzUx9LjIZqtZYajYYchgZ/a0/aL3Ah//74OAO1tE8NINvj tMw6nlmqQxKGw+LbEHJGJNcW934O4GixiyIurf/KJY7R5nHvGsj4CNauGMcrsg82zuDE oOjUjfFjGLxmF+MaWkw566dq7Gsom6orXN51csMstt/kwOOJOn76xE0xfXwDN8pkbEqo 1jdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=RYqWUl9MClmPzkwCYTbZW4NDmebp2Tvhkgy7x88Mp+Y=; b=HWN0IS+VGPOGfgdwRZpOLpH3alwaU+k2aPY98+qw+h3Vxo1bOLzEBBbz0emb+UzXdY nLkznwT1ROQQfCtVeI8XLEyochZeN2Q15dZKnoArsdLHePffuqnVRH3FksYX3MQa/Kon 8Gc8Wg1JLypMY/92DimnQewJr4clDLE7sXYM6pFls5CS6gVhlyQc9BqCQidWruwnR4Mc ocwCRpjFVEoQCB68v3EbqQw+L58yPOX0j3C9PTrbZRB1WUzgE5+vtAn3vuhrsk90f5g8 27fsMlh4tb8NlgIyetSDb2w5c6SIKfvB6xOX67I2Ebmfa/2Xt6J2ZFe+fvhlyxvbR8o5 jPew== X-Gm-Message-State: ALKqPwerJtVgzCpTx636MyyNmYz5ehjAa04ubru8MmIQo1YS1dza/Idf UAbl4PnWpBibY6OB7n6V3n5BUL8S8b1UVLF4VI0= X-Google-Smtp-Source: AB8JxZpK+ps7DvrJ8/bfHKsEcmli+UB8kVZ/Yw7Y/QO4jPbl/5m5iMbfjweofLhLUu5J0jOrRQnLXTvpkF4UNLPsUXA= X-Received: by 2002:a37:9044:: with SMTP id s65-v6mr3652100qkd.73.1526179835698; Sat, 12 May 2018 19:50:35 -0700 (PDT) MIME-Version: 1.0 Received: by 10.200.28.74 with HTTP; Sat, 12 May 2018 19:50:35 -0700 (PDT) In-Reply-To: References: From: Mateusz Guzik Date: Sun, 13 May 2018 04:50:35 +0200 Message-ID: Subject: Re: including a checksum of the diff in uname To: Eitan Adler Cc: FreeBSD Hackers Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 May 2018 02:50:36 -0000 On Sun, May 13, 2018 at 4:41 AM, Eitan Adler wrote: > Hi all, > > I often have several variants of the same revision that I'm testing or > working on at any given time. > > What do you y'all think of something like this: > > Index: sys/conf/newvers.sh > =================================================================== > --- sys/conf/newvers.sh (revision 333575) > +++ sys/conf/newvers.sh (working copy) > @@ -203,6 +203,8 @@ if [ -n "$svnversion" ] ; then > [0-9]*[MSP]|*:*) > svn=" r${svn}" > modified=true > + ck="$(svn diff | cksum | cut -w -f 1)" > + svn="$svn-$ck" > ;; > [0-9]*) > svn=" r${svn}" > > to help differentiate. > > You end up with a version that looks like: r333575M-4294967295? > > Don't develop with svn. get yourself a git or hg setup and a tmp branch. The branch name is always included along with the commit hash. The benefit is that not only know you know what the change is, you can always refer back to it later and diff against something else. -- Mateusz Guzik