From e9dcca9ce42c1d4003dcb9b7ecac07afde0c7105 Mon Sep 17 00:00:00 2001
From: Nicholas Terry <nick.i.terry@gmail.com>
Date: Tue, 4 Feb 2020 13:56:31 -0700
Subject: [PATCH] feat: Added alpine linux support

Set up CI with Azure Pipelines
---
 .gitignore                                    |  3 +
 azure-pipelines.yml                           | 24 ++++++
 linux-alpine-x86_64/pom.xml                   | 73 +++++++++++++++++++
 .../src/main/java/org/lmdbjava/Holder.java    |  9 +++
 .../main/java/org/lmdbjava/package-info.java  |  7 ++
 pom.xml                                       | 12 +++
 6 files changed, 128 insertions(+)
 create mode 100644 azure-pipelines.yml
 create mode 100644 linux-alpine-x86_64/pom.xml
 create mode 100644 linux-alpine-x86_64/src/main/java/org/lmdbjava/Holder.java
 create mode 100644 linux-alpine-x86_64/src/main/java/org/lmdbjava/package-info.java

diff --git a/.gitignore b/.gitignore
index 028bab2..c6eb867 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ target
 gpg-sign.json
 mvn-sync.json
 secrets.tar
+
+.idea/
+*.iml
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
new file mode 100644
index 0000000..d10eb0a
--- /dev/null
+++ b/azure-pipelines.yml
@@ -0,0 +1,24 @@
+trigger:
+  branches:
+    include:
+    - master
+    - refs/tags/*
+
+jobs:
+- job:
+  displayName: 'Snapshot build'
+  condition: eq(variables['build.sourceBranch'], 'refs/heads/master')
+  pool:
+    vmImage: 'ubuntu-latest'
+
+  container: nicholasterry/azure-pipelines-alpine:latest
+
+  steps:
+  - checkout: self
+    submodules: true
+
+  - script: sudo apk add build-base openjdk11 maven
+    displayName: 'Setup prerequisite(s)'
+
+  - script: mvn -Drevision=$(Build.BuildNumber) clean install -P linux-alpine,!linux
+    displayName: 'Build artifact(s)'
diff --git a/linux-alpine-x86_64/pom.xml b/linux-alpine-x86_64/pom.xml
new file mode 100644
index 0000000..1d01426
--- /dev/null
+++ b/linux-alpine-x86_64/pom.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.lmdbjava</groupId>
+    <artifactId>lmdbjava-native-parent</artifactId>
+    <version>0.9.23-2-SNAPSHOT</version>
+  </parent>
+
+  <!-- TODO: Get this merged in upstream once CI stuff can be reconciled... For now, we'll have to build our own under a separate groupId -->
+  <groupId>org.lmdbjava.alt</groupId>
+  <artifactId>lmdbjava-native-linux-alpine-x86_64</artifactId>
+  <version>0.9.23-${revision}-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>LmdbJava Native Library Holder: Alpine Linux</name>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-antrun-plugin</artifactId>
+      </plugin>
+
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+      </plugin>
+
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>native</id>
+            <phase>compile</phase>
+            <goals>
+              <goal>exec</goal>
+            </goals>
+            <configuration>
+              <workingDirectory>${project.basedir}/../lmdb/libraries/liblmdb</workingDirectory>
+              <executable>make</executable>
+              <commandlineArgs>-e clean test</commandlineArgs>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <plugin>
+        <groupId>com.coderplus.maven.plugins</groupId>
+        <artifactId>copy-rename-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>copy</id>
+            <phase>process-classes</phase>
+            <goals>
+              <goal>copy</goal>
+            </goals>
+            <configuration>
+              <fileSets>
+                <fileSet>
+                  <sourceFile>${project.basedir}/../lmdb/libraries/liblmdb/liblmdb.so</sourceFile>
+                  <destinationFile>${project.basedir}/target/native/org/lmdbjava/${project.artifactId}.so</destinationFile>
+                </fileSet>
+              </fileSets>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/linux-alpine-x86_64/src/main/java/org/lmdbjava/Holder.java b/linux-alpine-x86_64/src/main/java/org/lmdbjava/Holder.java
new file mode 100644
index 0000000..ecb4cba
--- /dev/null
+++ b/linux-alpine-x86_64/src/main/java/org/lmdbjava/Holder.java
@@ -0,0 +1,9 @@
+package org.lmdbjava;
+
+/**
+ * Lightning Memory Database (LMDB) Native Wrapper.
+ * <p>
+ * This project uses a JAR solely for holding the native (C) shared LMDB library
+ * in a Java-accessible, Maven-mapped archive. There are no usable Java types.
+ */
+public class Holder {}
diff --git a/linux-alpine-x86_64/src/main/java/org/lmdbjava/package-info.java b/linux-alpine-x86_64/src/main/java/org/lmdbjava/package-info.java
new file mode 100644
index 0000000..9953620
--- /dev/null
+++ b/linux-alpine-x86_64/src/main/java/org/lmdbjava/package-info.java
@@ -0,0 +1,7 @@
+/**
+ * Lightning Memory Database (LMDB) Native Wrapper.
+ * <p>
+ * This project uses a JAR solely for holding the native (C) shared LMDB library
+ * in a Java-accessible, Maven-mapped archive. There are no usable Java types.
+ */
+package org.lmdbjava;
diff --git a/pom.xml b/pom.xml
index 1b8527c..b8163de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -157,6 +157,18 @@
         <module>windows-x86_64</module>
       </modules>
     </profile>
+    <profile>
+      <id>linux-alpine</id>
+      <activation>
+        <os>
+          <name>Linux</name>
+          <family>unix</family>
+        </os>
+      </activation>
+      <modules>
+        <module>linux-alpine-x86_64</module>
+      </modules>
+    </profile>
     <profile>
       <id>osx</id>
       <activation>