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gcv/rust_nightly.rb

Created January 26, 2015 18:10
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Homebrew formula for installing the official Rust nightly binary build. Useful because: (1) the `rust.rb` formula in Homebrew does not currently install Crate, and (2) the official binary `.pkg` pollutes `/usr/local`. This formula respects Homebrew's installation directory.
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rust_nightly.rb
class RustNightly < Formula
url "https://static.rust-lang.org/dist/rust-nightly-x86_64-apple-darwin.pkg", using: :nounzip
homepage "http://www.rust-lang.org"
sha1 ""
version Date.today.to_s
def install
system "pkgutil --expand rust-nightly-x86_64-apple-darwin.pkg rn"
Dir.mkdir "output"
Dir.chdir "output"
system "tar xf ../rn/rust.pkg/Payload"
lib_path_update("bin/rustc")
lib_path_update("bin/rustdoc")
prefix.install Dir["*"]
end
private
def otool(path)
lines = %x[otool -L #{path}].split /\n/
lines[1..-1].map do |line|
line.
strip.
gsub(/ \(compatibility version.*$/, '')
end
end
def install_name_tool(path, old)
pattern = 'x86_64-apple-darwin/stage1/lib/rustlib/x86_64-apple-darwin'
if path.match(pattern)
new = old.gsub(pattern, prefix)
system("install_name_tool -change '#{old}' '#{new}' '#{path}'")
end
end
def lib_path_update(binary)
otool(binary).each do |current_lib_path|
install_name_tool(binary, current_lib_path)
end
end
end
@Byron
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Byron commented Jan 27, 2015

Thank you !
Do you think it makes sense to make it create symlinks to make rustc/cargo available from the commandline ?
How do you solve running nightlies on your system, maybe I am missing something. After all it seems it keeps previous versions around in the respective date directory.

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