mirror of
https://github.com/rclone/rclone.git
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162 lines
4.7 KiB
Markdown
162 lines
4.7 KiB
Markdown
# Contributing to rclone #
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This is a short guide on how to contribute things to rclone.
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## Reporting a bug ##
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Bug reports are welcome. Please when submitting add:
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* Rclone version (eg output from `rclone -V`)
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* Which OS you are using and how many bits (eg Windows 7, 64 bit)
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* The command you were trying to run (eg `rclone copy /tmp remote:tmp`)
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* A log of the command with the `-v` flag (eg output from `rclone -v copy /tmp remote:tmp`)
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* if the log contains secrets then edit the file with a text editor first to obscure them
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## Submitting a pull request ##
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If you find a bug that you'd like to fix, or a new feature that you'd
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like to implement then please submit a pull request via Github.
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If it is a big feature then make an issue first so it can be discussed.
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You'll need a Go environment set up with GOPATH set. See [the Go
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getting started docs](https://golang.org/doc/install) for more info.
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First in your web browser press the fork button on [rclone's Github
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page](https://github.com/ncw/rclone).
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Now in your terminal
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go get github.com/ncw/rclone
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cd $GOPATH/src/github.com/ncw/rclone
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git remote rename origin upstream
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git remote add origin git@github.com:YOURUSER/rclone.git
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Make a branch to add your new feature
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git checkout -b my-new-feature
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And get hacking.
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When ready - run the unit tests for the code you changed
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go test -v
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Note that you make need to make a test remote, eg `TestSwift` for some
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of the unit tests.
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Note the top level Makefile targets
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* make check
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* make test
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Both of these will be run by Travis when you make a pull request but
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you can do this yourself locally too.
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Make sure you
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* Add documentation for a new feature
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* Add unit tests for a new feature
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* squash commits down to one per feature
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* rebase to master `git rebase master`
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When you are done with that
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git push origin my-new-feature
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Go to the Github website and click [Create pull
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request](https://help.github.com/articles/creating-a-pull-request/).
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You patch will get reviewed and you might get asked to fix some stuff.
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If so, then make the changes in the same branch, squash the commits,
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rebase it to master then push it to Github with `--force`.
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## Testing ##
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rclone's tests are run from the go testing framework, so at the top
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level you can run this to run all the tests.
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go test -v ./...
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rclone contains a mixture of unit tests and integration tests.
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Because it is difficult (and in some respects pointless) to test cloud
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storage systems by mocking all their interfaces, rclone unit tests can
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run against any of the backends. This is done by making specially
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named remotes in the default config file.
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If you wanted to test changes in the `drive` backend, then you would
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need to make a remote called `TestDrive`.
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You can then run the unit tests in the drive directory. These tests
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are skipped if `TestDrive:` isn't defined.
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cd drive
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go test -v
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You can then run the integration tests which tests all of rclone's
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operations. Normally these get run against the local filing system,
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but they can be run against any of the remotes.
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cd ../fs
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go test -v -remote TestDrive:
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go test -v -remote TestDrive: -subdir
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If you want to run all the integration tests against all the remotes,
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then run in that directory
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go run test_all.go
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## Making a release ##
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There are separate instructions for making a release in the RELEASE.md
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file - doing the first few steps is useful before making a
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contribution.
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* go get -u -f -v ./...
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* make check
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* make test
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* make tag
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## Writing a new backend ##
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Choose a name. The docs here will use `remote` as an example.
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Note that in rclone terminology a file system backend is called a
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remote or an fs.
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Research
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* Look at the interfaces defined in `fs/fs.go`
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* Study one or more of the existing remotes
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Getting going
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* Create `remote/remote.go` (copy this from a similar fs)
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* Add your fs to the imports in `rclone.go`
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Unit tests
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* Create a config entry called `TestRemote` for the unit tests to use
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* Add your fs to the end of `fstest/fstests/gen_tests.go`
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* generate `remote/remote_test.go` unit tests `cd fstest/fstests; go generate`
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* Make sure all tests pass with `go test -v`
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Integration tests
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* Add your fs to the imports in `fs/operations_test.go`
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* Add your fs to `fs/test_all.sh`
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* Make sure integration tests pass with
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* `cd fs`
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* `go test -v -remote TestRemote:` and
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* `go test -v -remote TestRemote: -subdir`
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Add your fs to the docs
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* `README.md` - main Github page
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* `docs/content/remote.md` - main docs page
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* `docs/content/overview.md` - overview docs
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* `docs/content/about.md` - front page of rclone.org
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* `docs/layouts/chrome/navbar.html` - add it to the website navigation
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* `make_manual.py` - add the page to the `docs` constant
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