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Extract base class for Amazon Web Services.

Many Amazon Web Service tool bundles have similar setup steps and caveats,
so extract a base class and use that for other formulae.
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1 parent c227f4f commit 1181d3c60b816e87ebf83e9b5d9a18fa4321de3d @adamv adamv committed May 19, 2010
Showing with 35 additions and 17 deletions.
  1. +35 −17 Library/Formula/ec2-api-tools.rb
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52 Library/Formula/ec2-api-tools.rb
@@ -1,24 +1,21 @@
require 'formula'
-class Ec2ApiTools <Formula
- homepage 'http://developer.amazonwebservices.com/connect/entry.jspa?externalID=351'
- url 'http://ec2-downloads.s3.amazonaws.com/ec2-api-tools-1.3-51254.zip'
- md5 '4644d3984009f576b1c34c6d60086e60'
+# This formula serves as the base class for several very similar
+# formulae for Amazon Web Services related tools.
- def patches
- # (From http://gist.github.com/200283) Gets rid of the
- # "[Deprecated] Xalan: org.apache.xml.res.XMLErrorResources_en_US"
- # messages that the tools spew on 1.3-41620 under Snow Leopard
- DATA
- end
-
- def install
+class AmazonWebServicesFormula <Formula
+ # Use this method to peform a standard install for Java-based tools,
+ # keeping the .jars out of HOMEBREW_PREFIX/lib
+ def standard_install
rm Dir['bin/*.cmd'] # Remove Windows versions
- bin.install Dir['bin/ec2-*'] # Install commands to bin
- prefix.install 'lib' # Put the .jars in prefix/lib
+ prefix.install "bin"
+ # Put the .jars in prefix/jars/lib, which isn't linked to the Cellar
+ # This will prevent conflicts with other versions of these jars.
+ (prefix+'jars').install 'lib'
end
- def caveats
+ # Use this method to generate standard caveats.
+ def standard_instructions var_name, var_value=prefix+'jars'
<<-EOS.undent
Before you can use these tools you must export some variables to your $SHELL
and download your X.509 certificate and private key from Amazon Web Services.
@@ -33,14 +30,35 @@ def caveats
* On Bash, add them to `~/.bash_profile`.
* On Zsh, add them to `~/.zprofile` instead.
- export JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Home/"
- export EC2_HOME="#{prefix}/"
+ export JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Home"
export EC2_PRIVATE_KEY="$(/bin/ls $HOME/.ec2/pk-*.pem)"
export EC2_CERT="$(/bin/ls $HOME/.ec2/cert-*.pem)"
+ export #{var_name}="#{var_value}"
EOS
end
end
+class Ec2ApiTools <AmazonWebServicesFormula
+ homepage 'http://developer.amazonwebservices.com/connect/entry.jspa?externalID=351'
+ url 'http://ec2-downloads.s3.amazonaws.com/ec2-api-tools-1.3-51254.zip'
+ md5 '4644d3984009f576b1c34c6d60086e60'
+
+ def patches
+ # Gets rid of the "[Deprecated] Xalan: org.apache.xml.res.XMLErrorResources_en_US"
+ # messages that the tools spew on 1.3-41620 under Snow Leopard
+ # See: http://gist.github.com/200283
+ DATA
+ end
+
+ def install
+ standard_install
+ end
+
+ def caveats
+ standard_instructions "EC2_HOME"
+ end
+end
+
__END__
diff --git i/bin/ec2-cmd w/bin/ec2-cmd
index 57051eb..edc2aae 100755

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