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#: * `diy` [`--name=`<name>] [`--version=`<version>]:
#: Automatically determine the installation prefix for non-Homebrew software.
#:
#: Using the output from this command, you can install your own software into
#: the Cellar and then link it into Homebrew's prefix with `brew link`.
#:
#: The options `--name=`<name> and `--version=`<version> each take an argument
#: and allow you to explicitly set the name and version of the package you are
#: installing.
require "formula"
module Homebrew
module_function
def diy
path = Pathname.getwd
version = ARGV.value("version") || detect_version(path)
name = ARGV.value("name") || detect_name(path, version)
prefix = HOMEBREW_CELLAR/name/version
if File.file? "CMakeLists.txt"
puts "-DCMAKE_INSTALL_PREFIX=#{prefix}"
elsif File.file? "configure"
puts "--prefix=#{prefix}"
else
raise "Couldn't determine build system"
end
end
def detect_version(path)
version = path.version.to_s
raise "Couldn't determine version, set it with --version=<version>" if version.empty?
version
end
def detect_name(path, version)
basename = path.basename.to_s
detected_name = basename[/(.*?)-?#{Regexp.escape(version)}/, 1] || basename
canonical_name = Formulary.canonical_name(detected_name)
odie <<~EOS if detected_name != canonical_name
The detected name #{detected_name.inspect} exists in Homebrew as an alias
of #{canonical_name.inspect}. Consider using the canonical name instead:
brew diy --name=#{canonical_name}
To continue using the detected name, pass it explicitly:
brew diy --name=#{detected_name}
EOS
detected_name
end
end
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