From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Schubert <mschub@elegosoft.com>
Subject: Re: git alias fails if non-accessible directory is in PATH
Date: Sun, 08 May 2011 18:15:25 +0200
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> Is this by design, or a bug? I currently do not see a reason for git stop executing an alias just because it cannot access a directory in PATH. Strangely, I also haven't found any discussion about this on the mailing list yet.

If you look at start_command(), `git br` ends up as execvp call
returning EACCESS in the given case whereas only ENOENT was "expected".
This happens before git tries to resolve the alias.

Could it be a legit assumption that PATH holds only accessible paths?
(POSIX?) Otherwise it's a bug.