提交 687dbe52 编辑于 作者: XuehaiPan's avatar XuehaiPan
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dev-cmd/cat: auto-install `bat` when running `brew cat ...` with `HOMEBREW_BAT` set

上级 354718c4
......@@ -2,6 +2,7 @@
# frozen_string_literal: true
require "cli/parser"
require "formula"
module Homebrew
extend T::Sig
......@@ -31,8 +32,16 @@ module Homebrew
cd HOMEBREW_REPOSITORY
pager = if Homebrew::EnvConfig.bat?
unless Formula["bat"].any_version_installed?
# The user might want to capture the output of `brew cat ...`
# Redirect stdout to stderr
redirect_stdout($stderr) do
ohai "Installing `bat` for displaying <formula>/<cask> source..."
safe_system HOMEBREW_BREW_FILE, "install", "bat"
end
end
ENV["BAT_CONFIG_PATH"] = Homebrew::EnvConfig.bat_config_path
"#{HOMEBREW_PREFIX}/bin/bat"
Formula["bat"].opt_bin/"bat"
else
"cat"
end
......
......@@ -437,21 +437,23 @@ module Kernel
$stderr = old
end
def nostdout
def nostdout(&block)
if verbose?
yield
else
begin
out = $stdout.dup
$stdout.reopen(File::NULL)
yield
ensure
$stdout.reopen(out)
out.close
end
redirect_stdout(File::NULL, &block)
end
end
def redirect_stdout(file)
out = $stdout.dup
$stdout.reopen(file)
yield
ensure
$stdout.reopen(out)
out.close
end
def paths
@paths ||= PATH.new(ENV["HOMEBREW_PATH"]).map do |p|
File.expand_path(p).chomp("/")
......
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