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To support OTP release upgrades I have added support for building upgrade packages. Support for this is included in the rebar_upgrade module, specifically generate_upgrade/2. It requires one variable to be set on the command line 'previous_release' which is the absolute path or relative path from 'rel/' to the previous release one is upgrading from. Running an upgrade will create the needed files, including a relup and result in a tarball containing the upgrade being written to 'rel/'. When done it cleans up the temporary files systools created. Usage: $ rebar generate-upgrade previous_release=/path/to/old/version This also includes a dummy application that can be used to test upgrades as well as an example. Special thanks to Daniel Reverri, Jesper Louis Andersen and Richard Jones for comments and patches.
8 lines
188 B
Text
8 lines
188 B
Text
{"0.2",
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[{"0.1",[
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{update, dummy_server, {advanced, [foo]}}
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]}],
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[{"0.1",[
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{update, dummy_server, {advanced, [foo]}}
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]}]
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}.
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