homebrew-core/Formula/grep.rb

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class Grep < Formula
desc "GNU grep, egrep and fgrep"
homepage "https://www.gnu.org/software/grep/"
url "https://ftp.gnu.org/gnu/grep/grep-3.1.tar.xz"
mirror "https://ftpmirror.gnu.org/grep/grep-3.1.tar.xz"
sha256 "db625c7ab3bb3ee757b3926a5cfa8d9e1c3991ad24707a83dde8a5ef2bf7a07e"
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bottle do
cellar :any
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sha256 "8dadfa6959ee17790ef8cc578981ede226b29339549c72d26eaaa1c1dab5e0e8" => :high_sierra
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sha256 "75fd5efc0986b1771c3082e08b9dc2d8495546f81ad1a38a9a05f506c8046687" => :sierra
sha256 "867dffadb33d24d4a743df13c95ec08ff526f3be96b4965ae5e97ec08d46192d" => :el_capitan
sha256 "72ea449768eb5745712b40464b8eb1e7b9dc908ce26c8353e453681ee824ec89" => :yosemite
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end
option "with-default-names", "Do not prepend 'g' to the binary"
deprecated_option "default-names" => "with-default-names"
depends_on "pkg-config" => :build
depends_on "pcre"
def install
args = %W[
--disable-dependency-tracking
--disable-nls
--prefix=#{prefix}
--infodir=#{info}
--mandir=#{man}
--with-packager=Homebrew
]
args << "--program-prefix=g" if build.without? "default-names"
system "./configure", *args
system "make"
system "make", "install"
end
def caveats
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if build.without? "default-names" then <<~EOS
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The command has been installed with the prefix "g".
If you do not want the prefix, install using the "with-default-names"
option.
EOS
end
end
test do
text_file = testpath/"file.txt"
text_file.write "This line should be matched"
cmd = build.with?("default-names") ? "grep" : "ggrep"
grepped = shell_output("#{bin}/#{cmd} match #{text_file}")
assert_match "should be matched", grepped
end
end