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jupblb wants to merge 3 commits into from
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Add Scala protobuf bindings #431

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953036b
Add Scala protobuf bindings
jupblb Jun 2, 2026
3cb75b3
Simplify bindings/scala/pom.xml
jupblb Jun 2, 2026
1aa4a19
Trim comments in workflow files and .gitignore
jupblb Jun 2, 2026
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9 changes: 8 additions & 1 deletion .github/workflows/jvm-bindings.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ on:
paths:
- bindings/java/**
- bindings/kotlin/**
- bindings/scala/**
- cmd/scip/version.txt
- scip.proto
- .github/workflows/jvm-bindings.yaml
Expand Down Expand Up @@ -39,7 +40,7 @@ jobs:
sudo apt-get install -qq -y libxml2-utils
expected=$(cat cmd/scip/version.txt)
xpath='/*[local-name()="project"]/*[local-name()="version"]/text()'
for pom in bindings/java/pom.xml bindings/kotlin/pom.xml; do
for pom in bindings/java/pom.xml bindings/kotlin/pom.xml bindings/scala/pom.xml; do
actual=$(xmllint --xpath "$xpath" "$pom")
if [ "$actual" != "$expected" ]; then
echo "::error file=$pom::version is '$actual', expected '$expected'"
Expand All @@ -52,3 +53,9 @@ jobs:

- name: Build scip-kotlin-bindings (resolves scip-java-bindings from local repo)
run: mvn -B -ntp -Prelease -Dgpg.skip=true -f bindings/kotlin/pom.xml verify

- name: Build scip-scala-bindings_2.13
run: mvn -B -ntp -Pscala-2.13,release -Dgpg.skip=true -f bindings/scala/pom.xml verify

- name: Build scip-scala-bindings_3
run: mvn -B -ntp -Pscala-3,release -Dgpg.skip=true -f bindings/scala/pom.xml verify
18 changes: 14 additions & 4 deletions .github/workflows/release.yaml
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Expand Up @@ -95,10 +95,8 @@ jobs:
needs: publish
runs-on: ubuntu-latest
# Maven Central publication with waitUntil=published can block for
# 10-30 min per module while Sonatype mirrors propagate. Two
# sequential deploys (Java then Kotlin, which resolves Java from
# Central) means worst-case ~60 min.
timeout-minutes: 90
# 10-30 min per module while Sonatype mirrors propagate.
timeout-minutes: 150
steps:
- uses: actions/checkout@v6
with:
Expand Down Expand Up @@ -131,6 +129,18 @@ jobs:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

- name: Deploy scip-scala-bindings_2.13 to Maven Central
run: mvn -B -ntp -Pscala-2.13,release -f bindings/scala/pom.xml deploy
env:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

- name: Deploy scip-scala-bindings_3 to Maven Central
run: mvn -B -ntp -Pscala-3,release -f bindings/scala/pom.xml deploy
env:
MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

build-go-binaries:
needs: publish
permissions:
Expand Down
2 changes: 2 additions & 0 deletions bindings/scala/.gitignore
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@@ -0,0 +1,2 @@
target/
.flattened-pom.xml
230 changes: 230 additions & 0 deletions bindings/scala/pom.xml
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@@ -0,0 +1,230 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>org.scip-code</groupId>
<!-- Scala binary version goes in the artifactId (sbt convention), not the version. -->
<artifactId>scip-scala-bindings_${scala.binary.version}</artifactId>
<version>0.8.0</version>
<packaging>jar</packaging>

<name>scip-scala-bindings_${scala.binary.version}</name>
<description>
Generated Scala bindings (via ScalaPB) for the Semantic Code
Intelligence Protocol (SCIP).
</description>
<url>https://github.com/scip-code/scip</url>

<licenses>
<license>
<name>Apache License, Version 2.0</name>
<url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
</license>
</licenses>

<developers>
<developer>
<name>SCIP Maintainers</name>
<organization>scip-code</organization>
<organizationUrl>https://github.com/scip-code</organizationUrl>
</developer>
</developers>

<scm>
<url>https://github.com/scip-code/scip</url>
<connection>scm:git:https://github.com/scip-code/scip.git</connection>
<developerConnection>scm:git:git@github.com:scip-code/scip.git</developerConnection>
</scm>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<!-- Must match the protoc-gen-scala version pinned in flake.nix. -->
<scalapb.version>0.11.20</scalapb.version>
<scala.binary.version>2.13</scala.binary.version>
<scala.version>2.13.18</scala.version>
<project.build.outputTimestamp>${git.commit.time}</project.build.outputTimestamp>
</properties>

<dependencies>
<dependency>
<groupId>com.thesamet.scalapb</groupId>
<artifactId>scalapb-runtime_${scala.binary.version}</artifactId>
<version>${scalapb.version}</version>
</dependency>
</dependencies>

<build>
<sourceDirectory>src/main/scala</sourceDirectory>
<plugins>
<plugin>
<groupId>io.github.git-commit-id</groupId>
<artifactId>git-commit-id-maven-plugin</artifactId>
<version>10.0.0</version>
<executions>
<execution>
<id>get-git-properties</id>
<phase>initialize</phase>
<goals><goal>revision</goal></goals>
</execution>
</executions>
<configuration>
<dateFormat>yyyy-MM-dd'T'HH:mm:ssXXX</dateFormat>
<dateFormatTimeZone>UTC</dateFormatTimeZone>
<generateGitPropertiesFile>false</generateGitPropertiesFile>
<verbose>false</verbose>
</configuration>
</plugin>
<!-- Publishes a consumer POM with ${scala.binary.version} resolved. -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>flatten-maven-plugin</artifactId>
<version>1.7.3</version>
<configuration>
<updatePomFile>true</updatePomFile>
<flattenMode>oss</flattenMode>
</configuration>
<executions>
<execution>
<id>flatten</id>
<phase>process-resources</phase>
<goals><goal>flatten</goal></goals>
</execution>
<execution>
<id>flatten.clean</id>
<phase>clean</phase>
<goals><goal>clean</goal></goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>scala-maven-plugin</artifactId>
<version>4.9.5</version>
<configuration>
<scalaVersion>${scala.version}</scalaVersion>
<scalaCompatVersion>${scala.binary.version}</scalaCompatVersion>
</configuration>
<executions>
<execution>
<id>scala-compile</id>
<phase>compile</phase>
<goals><goal>compile</goal></goals>
</execution>
<execution>
<id>attach-javadocs</id>
<phase>package</phase>
<goals><goal>doc-jar</goal></goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.4.0</version>
<executions>
<execution>
<id>attach-sources</id>
<goals><goal>jar-no-fork</goal></goals>
</execution>
</executions>
</plugin>
</plugins>
</build>

<profiles>
<!-- No-op; defined so `mvn -Pscala-2.13` is symmetric with `-Pscala-3`. -->
<profile>
<id>scala-2.13</id>
</profile>
<profile>
<id>scala-3</id>
<properties>
<scala.binary.version>3</scala.binary.version>
<!-- Latest 3.3.x LTS. -->
<scala.version>3.3.7</scala.version>
</properties>
<build>
<plugins>
<!--
scala-maven-plugin 4.9.5's `doc-jar` emits Scala-2-only flags
that Scala 3 scaladoc rejects, so we skip it and attach an
empty `-javadoc.jar` to satisfy Maven Central. Doc comments
remain in `-sources.jar`.
-->
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>scala-maven-plugin</artifactId>
<executions>
<execution>
<id>attach-javadocs</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<version>3.1.0</version>
<executions>
<execution>
<id>empty-javadoc-jar</id>
<phase>package</phase>
<goals><goal>run</goal></goals>
<configuration>
<target>
<jar destfile="${project.build.directory}/${project.build.finalName}-javadoc.jar"/>
<attachartifact
file="${project.build.directory}/${project.build.finalName}-javadoc.jar"
classifier="javadoc"
type="jar"/>
</target>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>

<!-- Mirror of bindings/java/pom.xml's `release` profile; keep in sync. -->
<profile>
<id>release</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-gpg-plugin</artifactId>
<version>3.2.8</version>
<executions>
<execution>
<id>sign-artifacts</id>
<phase>verify</phase>
<goals><goal>sign</goal></goals>
<configuration>
<gpgArguments>
<arg>--pinentry-mode</arg><arg>loopback</arg>
</gpgArguments>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.sonatype.central</groupId>
<artifactId>central-publishing-maven-plugin</artifactId>
<version>0.10.0</version>
<extensions>true</extensions>
<configuration>
<publishingServerId>central</publishingServerId>
<autoPublish>true</autoPublish>
<waitUntil>published</waitUntil>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project>
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