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Subject: Re: [BUG] quoting within bracket patterns has no effect
From: "Jun T." <takimoto-j@kba.biglobe.ne.jp>
In-Reply-To: <20160119173511.53b92033@pwslap01u.europe.root.pri>
Date: Wed, 20 Jan 2016 19:48:00 +0900
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References: <569C68AB.2010806@inlv.org> <20160118172434.2fb7d5b9@pwslap01u.europe.root.pri> <C61F4B81-0BCF-45CD-9DE3-202ED2D268FF@kba.biglobe.ne.jp> <20160119173511.53b92033@pwslap01u.europe.root.pri>
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vcs_info doesn't work due to the '-'/Dash problem.
It fails at line 6 of VCS_INFO_get_cmd:
vcs_comm[cmd]=${cmd:-$vcs}

In gettokstr(), seen_brct is set to 1 by the '[' and
never reset to 0, and the '-' is converted to Dash.

% x=
% y=yes
% echo ${x:-$y}
yes
% a[1]=${x:-$y}
% echo '<'$a[1]'>'
<>