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Don't bother creating an instance

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This commit is contained in:
Brandon Keepers
2014-11-27 13:17:28 -05:00
parent 434ab9f2c0
commit ffe2ccf1f6
3 changed files with 11 additions and 14 deletions
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2
lib/linguist/samples.rb
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@@ -117,7 +117,7 @@ module Linguist
# Used to retrieve the interpreter from the shebang line of a file's data. # Used to retrieve the interpreter from the shebang line of a file's data.
def self.interpreter_from_shebang(data) def self.interpreter_from_shebang(data)
Shebang.new(data).interpreter Shebang.interpreter(data)
end end
end end

13
lib/linguist/shebang.rb
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@@ -2,15 +2,12 @@ module Linguist
# Check if there's a shebang line and use that as authoritative # Check if there's a shebang line and use that as authoritative
class Shebang class Shebang
def self.call(blob, _) def self.call(blob, _)
Language.find_by_interpreter(new(blob.data).interpreter) Language.find_by_interpreter interpreter(blob.data)
end end
def initialize(data) def self.interpreter(data)
@lines = data.lines lines = data.lines
end return unless match = /^#! ?(.*)$/.match(lines.first)
def interpreter
return unless match = /^#! ?(.*)$/.match(@lines.first)
tokens = match[0].split(' ') tokens = match[0].split(' ')
script = tokens.first.split('/').last script = tokens.first.split('/').last
@@ -25,7 +22,7 @@ module Linguist
# Check for multiline shebang hacks that call `exec` # Check for multiline shebang hacks that call `exec`
if script == 'sh' && if script == 'sh' &&
@lines[0...5].any? { |l| l.match(/exec (\w+).+\$0.+\$@/) } lines[0...5].any? { |l| l.match(/exec (\w+).+\$0.+\$@/) }
script = $1 script = $1
end end

10
test/test_shebang.rb
View File

@@ -4,7 +4,7 @@ class TestShebang < Test::Unit::TestCase
include Linguist include Linguist
def assert_interpreter(interpreter, body) def assert_interpreter(interpreter, body)
assert_equal interpreter, Shebang.new(body).interpreter assert_equal interpreter, Shebang.interpreter(body)
end end
def test_shebangs def test_shebangs
@@ -17,14 +17,14 @@ class TestShebang < Test::Unit::TestCase
assert_interpreter nil, " #!/usr/sbin/ruby" assert_interpreter nil, " #!/usr/sbin/ruby"
assert_interpreter nil, "\n#!/usr/sbin/ruby" assert_interpreter nil, "\n#!/usr/sbin/ruby"
assert_interpreter "ruby", "#!/usr/sbin/ruby\n# bar", assert_interpreter "ruby", "#!/usr/sbin/ruby\n# bar"
assert_interpreter "ruby", "#!/usr/bin/ruby\n# foo", assert_interpreter "ruby", "#!/usr/bin/ruby\n# foo"
assert_interpreter "ruby", "#!/usr/sbin/ruby", assert_interpreter "ruby", "#!/usr/sbin/ruby"
assert_interpreter "ruby", "#!/usr/sbin/ruby foo bar baz\n" assert_interpreter "ruby", "#!/usr/sbin/ruby foo bar baz\n"
assert_interpreter "Rscript", "#!/usr/bin/env Rscript\n# example R script\n#\n" assert_interpreter "Rscript", "#!/usr/bin/env Rscript\n# example R script\n#\n"
assert_interpreter "crystal", "#!/usr/bin/env bin/crystal" assert_interpreter "crystal", "#!/usr/bin/env bin/crystal"
assert_interpreter "ruby", "#!/usr/bin/env ruby\n# baz", assert_interpreter "ruby", "#!/usr/bin/env ruby\n# baz"
assert_interpreter "bash", "#!/usr/bin/bash\n" assert_interpreter "bash", "#!/usr/bin/bash\n"
assert_interpreter "sh", "#!/bin/sh" assert_interpreter "sh", "#!/bin/sh"