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40 lines
2.0 KiB
40 lines
2.0 KiB
Support for using travis-ci has been added in order to automate pull-testing.
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See https://travis-ci.org/ for more info
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This procedure is different than the pull-tester that came before it in a few
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ways.
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There is nothing to administer. This is a major feature as it means
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that builds have no local state. Because there is no ability to login to the
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builders to install packages (tools, dependencies, etc), the entire build
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procedure must instead be controlled by a declarative script (.travis.yml).
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This script declares each build configuration, creates virtual machines as
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necessary, builds, then discards the virtual machines.
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A build matrix is constructed to test a wide range of configurations, rather
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than a single pass/fail. This helps to catch build failures and logic errors
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that present on platforms other than the ones the author has tested. This
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matrix is defined in the build script and can be changed at any time.
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All builders use the dependency-generator in the depends dir, rather than
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using apt-get to install build dependencies. This guarantees that the tester
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is using the same versions as Gitian, so the build results are nearly identical
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to what would be found in a final release. However, this also means that builds
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will fail if new dependencies are introduced without being added to the
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dependency generator.
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In order to avoid rebuilding all dependencies for each build, the binaries are
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cached and re-used when possible. Changes in the dependency-generator will
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trigger cache-invalidation and rebuilds as necessary.
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These caches can be manually removed if necessary. This is one of the very few
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manual operations that is possible with Travis, and it can be done by the
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Litecoin Core committer via the Travis web interface.
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In some cases, secure strings may be needed for hiding sensitive info such as
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private keys or URLs. The travis client may be used to create these strings:
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http://docs.travis-ci.com/user/encryption-keys/
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For the details of the build descriptor, see the official docs:
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http://docs.travis-ci.com/user/build-configuration/
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