49 lines
1.4 KiB
Ruby
49 lines
1.4 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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module Homebrew
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module DevCmd
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class Debugger < AbstractCommand
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cmd_args do
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description <<~EOS
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Run the specified Homebrew command in debug mode.
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To pass flags to the command, use `--` to separate them from the `brew` flags.
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For example: `brew debugger -- list --formula`.
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EOS
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switch "-O", "--open",
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description: "Start remote debugging over a Unix socket."
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named_args :command, min: 1
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end
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sig { override.void }
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def run
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raise UsageError, "Debugger is only supported with portable Ruby!" unless HOMEBREW_USING_PORTABLE_RUBY
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unless Commands.valid_ruby_cmd?(args.named.first)
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raise UsageError, "`#{args.named.first}` is not a valid Ruby command!"
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end
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brew_rb = (HOMEBREW_LIBRARY_PATH/"brew.rb").resolved_path
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debugger_method = if args.open?
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"open"
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else
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"start"
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end
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env = {}
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env[:RUBY_DEBUG_FORK_MODE] = "parent"
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env[:RUBY_DEBUG_NONSTOP] = "1" unless ENV["HOMEBREW_RDBG"]
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with_env(**env) do
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system(*HOMEBREW_RUBY_EXEC_ARGS,
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"-I", $LOAD_PATH.join(File::PATH_SEPARATOR),
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"-rdebug/#{debugger_method}",
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brew_rb, *args.named)
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end
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end
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end
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end
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end
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