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jmfayard/brew-session.sh

Created January 12, 2015 14:52
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brew, install an older version
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brew-session.sh
# Say you want to install spring-roo v1.2.4
# $ brew install spring-roo
# would install version 1.3.0
# fortunately, brew is based on git
$ cd /usr/local/Library/Formula/
$ head spring-roo.rb
# this is the formula for the current version
$ git log --abbrev-commit --pretty=oneline spring-roo.rb
20a8cac spring-roo 1.3.0
5c1603d Spring Roo 1.2.5
27a97a9 Spring Roo 1.2.4
4c99568 spring-roo 1.2.3
...
# checkout the old version
$ git checkout 27a97a9 spring-roo.rb
$ head spring-roo.rb
# this is what we needed
$ brew install spring-roo
# We win
@jmfayard
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a more extensive answer
http://stackoverflow.com/questions/3987683/homebrew-install-specific-version-of-formula

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