From e851e88863cec98b2b8357cc991fc3991044a5cf Mon Sep 17 00:00:00 2001
From: Samuel John <github@SamuelJohn.de>
Date: Wed, 19 Dec 2012 17:16:27 +0100
Subject: [PATCH] brew doctor: Check for CaSe SeNsItIvE fs
Closes Homebrew/homebrew#16658.
Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
---
Library/Homebrew/cmd/doctor.rb | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index 64be171d61..20a070da2d 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -707,6 +707,28 @@ def check_for_multiple_volumes
end
end
+def check_filesystem_case_sensitive
+ volumes = Volumes.new
+ tmp_prefix = Pathname.new(ENV['HOMEBREW_TEMP'] || '/tmp')
+ case_sensitive_vols = [HOMEBREW_PREFIX, HOMEBREW_REPOSITORY, HOMEBREW_CELLAR, tmp_prefix].select do |dir|
+ # We select the dir as being case-sensitive if either the UPCASED or the
+ # downcased variant is missing.
+ # Of course, on a case-insensitive fs, both exist because the os reports so.
+ # In the rare situation when the user has indeed a downcased and an upcased
+ # dir (e.g. /TMP and /tmp) this check falsely thinks it is case-insensitive
+ # but we don't care beacuse: 1. there is more than one dir checked, 2. the
+ # check is not vital and 3. we would have to touch files otherwise.
+ upcased = Pathname.new(dir.to_s.upcase)
+ downcased = Pathname.new(dir.to_s.downcase)
+ dir.exist? && !(upcased.exist? && downcased.exist?)
+ end.map { |case_sensitive_dir| volumes.get_mounts(case_sensitive_dir) }.uniq
+ return if case_sensitive_vols.empty?
+ <<-EOS.undent
+ Your file-system on #{case_sensitive_vols} appears to be CaSe SeNsItIvE.
+ Homebrew is less tested with that - don't worry but please report issues.
+ EOS
+end
+
def check_for_git
unless which "git" then <<-EOS.undent
Git could not be found in your PATH.
--
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