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[PATCH] git-completion: workaround zsh COMPREPLY bug

From
Felipe Contreras <felipe.contreras@gmail.com>
Date
Jan 25, 2012, 01:37 UTC
Message-ID
<1327455422-22340-1-git-send-email-felipe.contreras@gmail.com>

zsh adds a backslash (foo\ ) for each item in the COMPREPLY array if IFS doesn't contain spaces. This issue has been reported[1], but there is no solution yet.

This wasn't a problem due to another bug[2], which was fixed in zsh version 4.3.12. After this change, 'git checkout ma<tab>' would resolve to 'git checkout master\ '.

Aditionally, the introduction of __gitcomp_nl in commit a31e626 (completion: optimize refs completion) in git also made the problem apparent, as Matthieu Moy reported.

The simplest and most generic solution is to hide all the changes we do to IFS, so that "foo \nbar " is recognized by zsh as "foo bar". This works on versions of git before and after the introduction of __gitcomp_nl (a31e626), and versions of zsh before and after 4.3.12.

Once zsh is fixed, we should conditionally disable this workaround to have the same benefits as bash users.

[1] http://www.zsh.org/mla/workers/2012/msg00053.html [2] http://zsh.git.sourceforge.net/git/gitweb.cgi?p=zsh/zsh;a=commitdiff;h=2e25dfb8fd38dbef0a306282ffab1d343ce3ad8d

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
 contrib/completion/git-completion.bash |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index b0062ba..c83c734 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2631,6 +2631,10 @@ _git ()
 		# workaround zsh's bug that leaves 'words' as a special
 		# variable in versions < 4.3.12
 		typeset -h words
+
+		# another workaround for zsh because it would quote spaces in
+		# the COMPREPLY array if IFS doesn't contain spaces
+		typeset -h IFS
 	fi
 
 	local cur words cword prev
@@ -2687,6 +2691,10 @@ _gitk ()
 		# workaround zsh's bug that leaves 'words' as a special
 		# variable in versions < 4.3.12
 		typeset -h words
+
+		# another workaround for zsh because it would quote spaces in
+		# the COMPREPLY array if IFS doesn't contain spaces
+		typeset -h IFS
 	fi
 
 	local cur words cword prev
-- 
1.7.8.rc1.14.g248db
Next: Matthieu Moy
Message 1 of 7 in “git-completion: workaround zsh COMPREPLY bug”
  1. git-completion: workaround zsh COMPREPLY bugFelipe Contreras, Jan 25, 2012
  2. Matthieu MoyJan 25, 2012
  3. Felipe ContrerasJan 25, 2012
  4. Matthieu MoyJan 25, 2012
  5. Felipe ContrerasJan 28, 2012
  6. Junio C HamanoJan 26, 2012
  7. Felipe ContrerasJan 27, 2012

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