epriestley 8b7a5157f8 Allow global config to load libraries and set test engines ... Summary: Khan Academy is looking into lint configuration, but doesn't use ".arcconfig" because they have a large number of repositories. Making configuration more flexible generally gives us more options for onboarding installs. - Currently, only project config (".arcconfig") can load libraries. Allow user config ("~/.arcrc") to load libraries as well. - Currently, only project config can set lint/unit engines. Allow user config to set default lint/unit engines. - Add some type checking to "arc set-config". - Add "arc set-config --show". Test Plan: - **load** - Ran `arc set-config load xxx`, got error about format. - Ran `arc set-config load ["apple"]`, got warning on running 'arc' commands (no such library) but was able to run 'arc set-config' again to clear it. - Ran `arc set-config load ["/path/to/a/lib/src/"]`, worked. - Ran `arc list --trace`, verified my library loaded in addition to `.arcconfig` libraries. - Ran `arc list --load-phutil-library=xxx --trace`, verified only that library loaded. - Ran `arc list --trace --load-phutil-library=apple --trace`, got hard error about bad library. - Set `.arcconfig` to point at a bad library, verified hard error. - **lint.engine** / **unit.engine** - Removed lint engine from `.arcconfig`, ran "arc lint", got a run with specified engine. - Removed unit engine from `.arcconfig`, ran "arc unit", got a run with specified engine. - **--show** - Ran `arc set-config --show`. - **misc** - Ran `arc get-config`. Reviewers: csilvers, btrahan, vrana Reviewed By: csilvers CC: aran Differential Revision: https://secure.phabricator.com/D2618		2012-05-31 11:41:39 -07:00
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ArcanistWorkingCopyIdentity.php	Allow global config to load libraries and set test engines	2012-05-31 11:41:39 -07:00