From: Jakub Narebski <jnareb@gmail.com>
To: Andrew Sayers <andrew-git@pileofstuff.org>
Cc: Thomas Rast <trast@student.ethz.ch>,
"Shawn O. Pearce" <spearce@spearce.org>,
Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH] bash completion: Support "unpushed commits" warnings in __git_ps1
Date: Sun, 06 Jun 2010 14:07:48 -0700 (PDT) [thread overview]
Message-ID: <m3r5kjq3ac.fsf@localhost.localdomain> (raw)
In-Reply-To: <4C0C09BF.4070503@pileofstuff.org>
Andrew Sayers <andrew-git@pileofstuff.org> writes:
> I don't see how to actually split out the branch name without calling
> sed or using one of the disallowed ${} constructs. So I compared the
> following commands on my PC (2.1 GHz dual-core Athlon) using a
> repository with 100 empty commits between HEAD and a git-svn-id:
>
> time git log | \
> sed -ne "/^ git-svn-id: / { s/^ git-svn-id: "\
> "$remote_branch\/\([^@]*\).*/\1/p ; q }"
>
> time git log -1 --grep="^git-svn-id: $remote_branch" | \
> sed -ne "s/^ git-svn-id: $remote_branch\/\([^@]*\).*/\1/p"
What disallowed ${} constructs?
First, ${var#pattern}, ${var##pattern}, ${var%pattern} and ${var%%pattern}
are POSIX, so you can use it in git shell scripts.
Second, this is _bash_ completion, so you can use also bash-specific
expansion, like ${var/pattern/string} or ${var//pattern/string}.
--
Jakub Narebski
Poland
ShadeHawk on #git
next prev parent reply other threads:[~2010-06-06 21:08 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-06 0:05 [PATCH] bash completion: Support "unpushed commits" warnings in __git_ps1 Andrew Sayers
2010-06-06 18:14 ` Thomas Rast
2010-06-06 20:49 ` Andrew Sayers
2010-06-06 21:07 ` Jakub Narebski [this message]
2010-06-06 22:19 ` Andrew Sayers
2010-06-07 7:42 ` Thomas Rast
2010-06-08 21:36 ` [RFC/PATCHv2] bash completion: Support "divergence from upstream" " Andrew Sayers
2010-06-09 8:21 ` Peter Kjellerstedt
2010-06-09 8:45 ` John Tapsell
2010-06-09 21:02 ` Steven Michalske
2010-06-09 9:17 ` Michael J Gruber
2010-06-09 20:48 ` Michael J Gruber
2010-06-09 21:03 ` Michael J Gruber
2010-06-10 11:47 ` [PATCH 0/2] " Thomas Rast
2010-06-10 11:47 ` [PATCH 1/2] rev-list: introduce --count option Thomas Rast
2010-06-10 11:47 ` [PATCH 2/2] bash completion: Support "divergence from upstream" warnings in __git_ps1 Thomas Rast
2010-06-12 0:00 ` SZEDER Gábor
2010-06-12 10:03 ` [PATCH v2 0/2] " Thomas Rast
2010-06-12 9:59 ` [PATCH v2 1/2] rev-list: introduce --count option Thomas Rast
2010-06-12 9:59 ` [PATCH v2 2/2] bash completion: Support "divergence from upstream" warnings in __git_ps1 Thomas Rast
2010-06-14 3:13 ` Junio C Hamano
2010-06-14 7:44 ` Thomas Rast
2010-06-14 12:36 ` SZEDER Gábor
2010-06-12 10:11 ` vger doesn't like UTF-8 from send-email Thomas Rast
2010-06-12 15:06 ` [PATCH] send-email: ask about and declare 8bit mails Thomas Rast
2010-06-12 16:28 ` Junio C Hamano
2010-06-13 15:09 ` Thomas Rast
2010-06-13 4:15 ` vger doesn't like UTF-8 from send-email Michael Witten
2010-06-14 11:57 ` Erik Faye-Lund
2010-06-12 20:50 ` [PATCH] bash completion: Support "divergence from upstream" messages in __git_ps1 Andrew Sayers
2010-06-14 7:42 ` Thomas Rast
2010-06-15 21:50 ` [PATCHv4] " Andrew Sayers
2010-06-16 19:05 ` Junio C Hamano
2010-06-16 19:11 ` Thomas Rast
2010-06-17 21:31 ` [PATCHv5 0/2] " Andrew Sayers
2010-06-18 16:10 ` Junio C Hamano
2010-06-18 21:02 ` Andrew Sayers
2010-06-17 21:32 ` [PATCHv5 1/2] " Andrew Sayers
2010-06-17 21:32 ` [PATCHv5 2/2] bash-completion: Fix __git_ps1 to work with "set -u" Andrew Sayers
2010-06-10 13:31 ` [PATCH 0/2] bash completion: Support "divergence from upstream" warnings in __git_ps1 Michael J Gruber
2010-06-10 12:03 ` [RFC/PATCHv2] " Thomas Rast
2010-06-06 20:12 ` [PATCH] bash completion: Support "unpushed commits" " Thomas Rast
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