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## --- BEGIN LICENSE BLOCK ---
# Copyright (c) 2009, Mikio L. Braun
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# * Neither the name of the Technische Universität Berlin nor the
# names of its contributors may be used to endorse or promote
# products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
## --- END LICENSE BLOCK ---
require 'set'
require 'config/config'
module Path
PATH = ENV['PATH'].split(':')
module_function
def where(file, path=PATH)
path.each do |p|
fn = File.join(p, file)
#print " Checking #{fn}"
if File.exist? fn
#puts " found"
if block_given?
return p if yield fn
else
return p
end
else
#puts
end
end
return
end
# returns the path to the command as specified by
# line or nil if the command does not exist, or
# it did not produce the right result
def where_with_output(line, output)
cmd = line.split[0]
p = where(cmd)
return unless p
out = %x(#{File.join(p,line)})
if out =~ output
return p
else
return
end
end
# Check whether a cmd could be found.
def check_cmd(*cmds)
cmds.each do |cmd|
JblasConfig.log "Searching for command #{cmd}"
JblasConfig.fail("coulnd't find command #{cmd}") unless Path.where cmd
end
yield self if block_given?
return
end
# Check whether files could be found in the given path.
def check_files(path, *files)
files.each do |file|
file = File.join(path, *file)
JblasConfig.log "Searching for file #{file}"
JblasConfig.fail("couldn't find #{file}") unless File.exist? file
end
yield if block_given?
return
end
# translate dir (mainly necessary for cygwin)
def dir(s)
case JblasConfig::CONFIG['OS_NAME']
when 'Windows'
s = s.gsub(/\\/, '\\\\\\\\')
%x(cygpath -u '#{s}').chomp
else
s # safe default...
end
end
end
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