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- Support directories in `-doc-external-doc`: It is documented as
accepting a “classpath_entry_path” for the keys but this only worked
for JARs and not for individual class files. When checking for
external-doc mappings for a Symbol, we now find the root directory
relative to a class file instead of using the full class file path.
The corresponding tests for SI-191 and SI8557 are also fixed to
support individual class files instead of JARs in partest. This is
required for the sbt build which runs partest on “quick” instead of
“pack”.
- Fix version and repository handling for bootstrapping. The bootstrap
`scalaInstance` can now be resolved from any repository added to the
project (not just the bootstrap repositories) by using a different
workaround for https://github.com/sbt/sbt/issues/1872.
- Workaround for https://github.com/sbt/sbt/issues/2640 (putting the
wrong `scalaInstance` on partest’s classpath). The required
`ScalaInstance` constructor is deprecated, so we have to disable
deprecation warnings and fatal warnings until there is a better fix.
- Add MiMa to the sbt build (port of the old `test.bc` ant task). The
sbt-mima plugin doesn’t have all the features we need, so we do it
manually in a similar way to what the plugin does. Checks are done
in both directions for the `library` and `compiler` projects. The
base version has to be set in `build.sbt`. When set to `None`, MiMa
checks are skipped. MiMa checks are run sequentially to avoid spurious
errors (see https://github.com/typesafehub/migration-manager/issues/115).
- Port the OSGi tests to the sbt build. The set of JARs that gets copied
into build/osgi as bundles is a bit different from the ant build. We
omit the source JARs but add additional modules that are part of the
Scala distribution, which seems more correct.
- Get rid up `pull-binary-libs.sh` for the sbt build. Add artifacts are
resolved from the special bootstrap repository through Ivy. The
special `code.jar` and `instrumented.jar` artifacts are copied to the
location where partest expects them (because these paths are hardcoded
in partest). Other extra JARs for partest in `test/files/lib` are
referenced directly from the Ivy cache.
- Move common settings that should be available with unqualified names
in local `.sbt` files and on the command line into an auto-plugin.
- Add an `antStyle` setting to sbt to allow users to easily enable
ant-style incremental compilation instead of sbt’s standard name
hashing with `set antStyle := true`.
- Disable verbose `info`-level logging during sbt startup for both,
`validate/test` and `validate/publish-core` jobs. Update logging is
no longer disabled when running locally (where it is useful and
doesn’t generate excessive output).
- Pass optimization flags for scalac down to partest, using the new
partest version 1.0.15\6.
- Call the new sbt-based PR validation from `scripts/jobs/validate/test`.
- Disable the tests `run/t7843-jsr223-service` and `run/t7933` from
https://github.com/scala/scala/pull/4959 for now. We need to set up
a new test project (either partest or junit) that can run them on a
packaged version of Scala, or possibly move them into a separate
project that would naturally run from a packaged Scala as part of the
community build.
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# Improve version handling in the sbt build:
The new settings `baseVersion` and `baseVersionSuffix` make it easier
to set version numbers for different kinds of builds in a consistent
way without e.g. having to first get a git SHA outside of sbt.
The new task `generateBuildCharacterPropertiesFile` writes the file
`buildcharacter.properties` to the root dir. The format is compatible
with the same file produced by the ANT build but it only contains a
subset of the properties, in particular the Maven version, which is
needed in publishing scripts and passed around between different
Jenkins jobs as `jenkins.properties`.
SHAs in version numbers are consistently shortened to 7 digits (as used
by git and github). Previously we used 7 digits in Maven snapshot
version numbers but 10 digits in canonical and OSGi version numbers.
# Add Jenkins script support to the sbt build:
The new command `setupPublishCore` takes the PR validation snapshot
repository as an argument and changes the required settings for the
`publish-core` build (use SHA-SNAPSHOT versioning, compile with
optimization enabled, do not publish scaladoc sets)
For example, the following command can be used to generate
`buildcharacter.properties` with the version numbers needed for PR
validation builds:
sbt setupPublishCore dummy generateBuildCharacterPropertiesFile
The sbt build will now automatically detect and use a “~/.credentials”
file with the credentials for publishing to a remote repository.
# Call sbt from `publish-core`:
The correct`$SBT_CMD` is set directly in `bootstrap` and used by
`publish-core` to first generate `buildcharacter.properties` and then
build and publish. Parsing the git revision, computing a version
number and getting binary dependencies are no longer required in the
script. This is all done in the sbt build.
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