mirror of
https://github.com/urbanadventurer/WhatWeb
synced 2026-06-21 14:12:19 +00:00
urbanadventurer
49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
#
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# This file is part of WhatWeb.
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#
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# WhatWeb is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# at your option) any later version.
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#
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# WhatWeb is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with WhatWeb. If not, see <http://www.gnu.org/licenses/>.
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### gem detection & loading
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def gem_available?(gemname)
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Gem::Specification.find_by_name(gemname) ? true : false
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rescue LoadError
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return false
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end
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# check required gems
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required_gems = %w(ipaddr addressable json)
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required_gems.each do |thisgem|
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if gem_available?(thisgem)
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require thisgem
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else
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puts "WhatWeb is not installed and is missing dependencies.\nThe following gems are missing:"
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missing_gems = required_gems.map.select { |thisgem2| thisgem2 unless gem_available?(thisgem2) }
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missing_gems.sort.each {|thisgem2| puts " - #{thisgem2}" }
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puts "\nTo install run the following command from the WhatWeb folder:\n'bundle install'\n\n"
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exit 1
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end
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end
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optional_gems = %w(mongo rchardet pry rb-readline)
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optional_gems.each do |thisgem|
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begin
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require thisgem if gem_available?(thisgem)
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rescue LoadError
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# that failed.. no big deal
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raise if $WWDEBUG == true
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end
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end
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