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Let change_make_var! append to existing value.

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To existing flag value can be specified with "\\1".
To append values to a flag, call with:
    s.change_make_var! "THE_FLAG", "\\1 more-flag-values"

The same trick can be used to prepend or surround values as well.
This commit is contained in:
Adam Vandenberg 2010-02-01 21:57:16 -08:00
parent d8b093f279
commit 5474cf1a95
1 changed files with 3 additions and 3 deletions
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6
Library/Homebrew/utils.rb
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@ -181,9 +181,9 @@ module HomebrewInreplaceExtension
# Looks for Makefile style variable defintions and replaces the
# value with "new_value", or removes the definition entirely.
# See inreplace in utils.rb
def change_make_var! flag, new_value
new_value = "#{flag}=#{new_value}" unless new_value.to_s.empty?
gsub! Regexp.new("^#{flag}\\s*=.*$"), new_value.to_s
def change_make_var! flag, new_value=nil
new_value = "#{flag}=#{new_value}" unless new_value == nil
gsub! Regexp.new("^#{flag}\\s*=\\s*(.*)$"), new_value
end
def remove_make_var! flags
flags.each { |flag| change_make_var! flag, "" }