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help: Let OptionParser generate help text for supported commands

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This commit is contained in:
Gautham Goli 2018-10-02 19:34:46 +05:30
parent f60582ca48
commit 604dfb4ae6
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GPG Key ID: 6A9ABBC284468364
2 changed files with 8 additions and 3 deletions
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2
Library/Homebrew/dev-cmd/prof.rb
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@ -1,7 +1,7 @@
#: * `prof` [ruby options]: #: * `prof` [ruby options]:
#: Run Homebrew with the Ruby profiler. #: Run Homebrew with the Ruby profiler.
#: For example: #: For example:
# brew prof readall #: brew prof readall
module Homebrew module Homebrew
module_function module_function

9
Library/Homebrew/help.rb
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@ -38,8 +38,13 @@ module Homebrew
module_function module_function
def help(cmd = nil, flags = {}) def help(cmd = nil, flags = {})
# Let OptionParser generate help text for developer commands # Let OptionParser generate help text for commands which have a parser defined
return if require? HOMEBREW_LIBRARY_PATH/"dev-cmd"/cmd begin
Homebrew.send("#{cmd.gsub('-','_')}_args".to_sym)
return
rescue NoMethodError
nil
end
# Resolve command aliases and find file containing the implementation. # Resolve command aliases and find file containing the implementation.
if cmd if cmd