On May 25, 2009, at 04:23 , Vladimir Dobriakov wrote:
I've tried following approaches. All of them are either cumbersome or error prone or both: ## Repeatedly reinstall 1. uninstall the current gem version `sudo gem uninstall foo` 2. switch to my version `cd myversion_of_foo` 3. edit the source code (apply the changes) 4. create a gem from my sources `rake gem` 5. install my version of the gem `sudo gem install pkg/foo-1.0.0.gem` 6. try out in connection with my (bigger) project 7. repeat all the steps for each change OK, one should work on a feature in a test-driven way and in isolation, which should reduce the amount of install/uninstall iterations, but still ...
I start with modifying $: on the dependent side to do the quickest back and forth. Once I have that flushed out, I update the version number on the dependency and `rake install_gem` (assuming it is a hoe empowered gem) and clean up any hacks I've put in on the dependent side.
When I'm working with student's code and I don't want to install a dependency, I'll frequently `gem fetch; gem unpack` it and then `mv gem-1.0.0/lib/* lib`. Totally cheating, I know, but it works fine for throwaway stuff.
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