diff options
| -rw-r--r-- | build.sbt | 56 |
1 files changed, 55 insertions, 1 deletions
@@ -89,7 +89,10 @@ lazy val commonSettings = Seq[Setting[_]]( }, // given that classDirectory is overriden to be _outside_ of target directory, we have // to make sure its being cleaned properly - cleanFiles += (classDirectory in Compile).value + cleanFiles += (classDirectory in Compile).value, + copyrightString := "Copyright 2002-2013, LAMP/EPFL", + resourceGenerators in Compile += generateVersionPropertiesFile.map(file => Seq(file)).taskValue, + generateVersionPropertiesFile := generateVersionPropertiesFileImpl.value ) lazy val library = project. @@ -153,3 +156,54 @@ lazy val root = (project in file(".")). // so it doesn't produce any artifact including not building // an empty jar disablePlugins(plugins.IvyPlugin) + +lazy val copyrightString = SettingKey[String]("Copyright string.") + +lazy val generateVersionPropertiesFile = taskKey[File]("Generating version properties file.") + +lazy val generateVersionPropertiesFileImpl: Def.Initialize[Task[File]] = Def.task { + val propFile = (resourceManaged in Compile).value / s"${name.value}.properties" + val props = new java.util.Properties + + /** + * Regexp that splits version number split into two parts: version and suffix. + * Examples of how the split is performed: + * + * "2.11.5": ("2.11.5", null) + * "2.11.5-acda7a": ("2.11.5", "-acda7a") + * "2.11.5-SNAPSHOT": ("2.11.5", "-SNAPSHOT") + * + */ + val versionSplitted = """([\w+\.]+)(-[\w+\.]+)??""".r + + val versionSplitted(ver, suffixOrNull) = version.value + val osgiSuffix = suffixOrNull match { + case null => "-VFINAL" + case "-SNAPSHOT" => "" + case suffixStr => suffixStr + } + + def executeTool(tool: String) = { + val cmd = + if (System.getProperty("os.name").toLowerCase.contains("windows")) + s"cmd.exe /c tools\\$tool.bat -p" + else s"tools/$tool" + Process(cmd).lines.head + } + + val commitDate = executeTool("get-scala-commit-date") + val commitSha = executeTool("get-scala-commit-sha") + + props.put("version.number", s"${version.value}-$commitDate-$commitSha") + props.put("maven.version.number", s"${version.value}") + props.put("osgi.version.number", s"$ver.v$commitDate$osgiSuffix-$commitSha") + props.put("copyright.string", copyrightString.value) + + // unfortunately, this will write properties in arbitrary order + // this makes it harder to test for stability of generated artifacts + // consider using https://github.com/etiennestuder/java-ordered-properties + // instead of java.util.Properties + IO.write(props, null, propFile) + + propFile +} |