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scala.build.internals.EnvVar.scala Maven / Gradle / Ivy
package scala.build.internals
import scala.build.internals.ConsoleUtils.ScalaCliConsole
/** @param name
* The name of the environment variable
* @param description
* A short description what is it used for
* @param passToIde
* Whether to pass this variable to the IDE/BSP client (true by default, should only be disabled
* for env vars which aren't safe to save on disk)
* @param requiresPower
* Whether this variable is related to a feature that requires power mode; also used for internal
* toggles and such
*/
case class EnvVar(
name: String,
description: String,
passToIde: Boolean = true,
requiresPower: Boolean = false
) {
def valueOpt: Option[String] = Option(System.getenv(name))
override def toString: String = s"$name=${valueOpt.getOrElse("")}"
def helpMessage(spaces: String): String = {
val powerString =
if requiresPower then s"${ScalaCliConsole.GRAY}(power)${Console.RESET} " else ""
s"${Console.YELLOW}$name${Console.RESET}$spaces$powerString$description"
}
}
object EnvVar {
def helpMessage(isPower: Boolean): String =
s"""The following is the list of environment variables used and recognized by Scala CLI.
|It should by no means be treated as an exhaustive list
|Some tools and libraries Scala CLI integrates with may have their own, which may or may not be listed here.
|${if isPower then "" else "For the expanded list, pass --power." + System.lineSeparator()}
|${
val maxFullNameLength =
EnvVar.all.filter(!_.requiresPower || isPower).map(_.name.length).max
EnvVar.allGroups
.map(_.subsectionMessage(maxFullNameLength, isPower))
.filter(_.linesIterator.size > 1)
.mkString(s"${System.lineSeparator() * 2}")
}""".stripMargin
trait EnvVarGroup {
def all: Seq[EnvVar]
def groupName: String
def subsectionMessage(maxFullNameLength: Int, isPower: Boolean): String = {
val envsToInclude = all.filter(!_.requiresPower || isPower)
s"""$groupName
|${
envsToInclude
.map(ev =>
s" ${ev.helpMessage(spaces = " " * (maxFullNameLength - ev.name.length + 2))}"
)
.mkString(System.lineSeparator())
}""".stripMargin
}
}
def allGroups: Seq[EnvVarGroup] = Seq(ScalaCli, Java, Bloop, Coursier, Spark, Misc, Internal)
def all: Seq[EnvVar] = allGroups.flatMap(_.all)
def allBsp: Seq[EnvVar] = all.filter(_.passToIde)
object Java extends EnvVarGroup {
override def groupName: String = "Java"
override def all = Seq(javaHome, javaOpts, jdkJavaOpts)
val javaHome = EnvVar("JAVA_HOME", "Java installation directory")
val javaOpts = EnvVar("JAVA_OPTS", "Java options")
val jdkJavaOpts = EnvVar("JDK_JAVA_OPTIONS", "JDK Java options")
}
object Misc extends EnvVarGroup {
override def groupName: String = "Miscellaneous"
override def all = Seq(
path,
dyldLibraryPath,
ldLibraryPath,
pathExt,
shell,
vcVarsAll,
zDotDir
)
val path = EnvVar("PATH", "The app path variable")
val dyldLibraryPath = EnvVar("DYLD_LIBRARY_PATH", "Runtime library paths on Mac OS X")
val ldLibraryPath = EnvVar("LD_LIBRARY_PATH", "Runtime library paths on Linux")
val pathExt = EnvVar("PATHEXT", "Executable file extensions on Windows")
val pwd = EnvVar("PWD", "Current working directory", passToIde = false)
val shell = EnvVar("SHELL", "The currently used shell")
val vcVarsAll = EnvVar("VCVARSALL", "Visual C++ Redistributable Runtimes")
val zDotDir = EnvVar("ZDOTDIR", "Zsh configuration directory")
val mavenHome = EnvVar("MAVEN_HOME", "Maven home directory")
}
object Coursier extends EnvVarGroup {
override def groupName: String = "Coursier"
override def all = Seq(
coursierBinDir,
coursierCache,
coursierConfigDir,
coursierCredentials,
insideEmacs,
coursierExperimental,
coursierJni,
coursierMode,
coursierNoTerm,
coursierProgress,
coursierRepositories,
coursierVendoredZis,
csMavenHome
)
val coursierBinDir = EnvVar("COURSIER_BIN_DIR", "Coursier app binaries directory")
val coursierCache = EnvVar("COURSIER_CACHE", "Coursier cache location")
val coursierConfigDir = EnvVar("COURSIER_CONFIG_DIR", "Coursier configuration directory")
val coursierCredentials = EnvVar("COURSIER_CREDENTIALS", "Coursier credentials")
val coursierExperimental = EnvVar("COURSIER_EXPERIMENTAL", "Experimental mode toggle")
val coursierJni = EnvVar("COURSIER_JNI", "Coursier JNI toggle")
val coursierMode = EnvVar("COURSIER_MODE", "Coursier mode (can be set to 'offline')")
val coursierNoTerm = EnvVar("COURSIER_NO_TERM", "Terminal toggle")
val coursierProgress = EnvVar("COURSIER_PROGRESS", "Progress bar toggle")
val coursierRepositories = EnvVar("COURSIER_REPOSITORIES", "Coursier repositories")
val coursierVendoredZis =
EnvVar("COURSIER_VENDORED_ZIS", "Toggle io.github.scala_cli.zip.ZipInputStream")
val csMavenHome = EnvVar("CS_MAVEN_HOME", "Coursier Maven home directory")
val insideEmacs = EnvVar("INSIDE_EMACS", "Emacs toggle")
}
object ScalaCli extends EnvVarGroup {
override def groupName: String = "Scala CLI"
def all = Seq(
config,
home,
interactive,
interactiveInputs,
power,
printStackTraces,
allowSodiumJni,
vendoredZipInputStream
)
val config = EnvVar("SCALA_CLI_CONFIG", "Scala CLI configuration file path")
val extraTimeout = Bloop.bloopExtraTimeout.copy(requiresPower = false)
val home = EnvVar("SCALA_CLI_HOME", "Scala CLI home directory")
val interactive = EnvVar("SCALA_CLI_INTERACTIVE", "Interactive mode toggle")
val interactiveInputs = EnvVar("SCALA_CLI_INTERACTIVE_INPUTS", "Interactive mode inputs")
val power = EnvVar("SCALA_CLI_POWER", "Power mode toggle")
val printStackTraces = EnvVar("SCALA_CLI_PRINT_STACK_TRACES", "Print stack traces toggle")
val allowSodiumJni = EnvVar("SCALA_CLI_SODIUM_JNI_ALLOW", "Allow to load libsodiumjni")
val vendoredZipInputStream =
EnvVar("SCALA_CLI_VENDORED_ZIS", "Toggle io.github.scala_cli.zip.ZipInputStream")
}
object Spark extends EnvVarGroup {
override def groupName: String = "Spark"
override def all = Seq(sparkHome)
val sparkHome = EnvVar("SPARK_HOME", "Spark installation directory", requiresPower = true)
}
object Bloop extends EnvVarGroup {
override def groupName: String = "Bloop"
override def all = Seq(
bloopComputationCores,
bloopDaemonDir,
bloopJavaOpts,
bloopModule,
bloopPort,
bloopScalaVersion,
bloopVersion,
bloopServer,
bloopExtraTimeout
)
val bloopComputationCores = EnvVar(
"BLOOP_COMPUTATION_CORES",
"Number of computation cores to be used",
requiresPower = true
)
val bloopDaemonDir = EnvVar("BLOOP_DAEMON_DIR", "Bloop daemon directory", requiresPower = true)
val bloopJavaOpts = EnvVar("BLOOP_JAVA_OPTS", "Bloop Java options", requiresPower = true)
val bloopModule = EnvVar("BLOOP_MODULE", "Bloop default module", requiresPower = true)
val bloopPort = EnvVar("BLOOP_PORT", "Bloop default port", requiresPower = true)
val bloopScalaVersion =
EnvVar("BLOOP_SCALA_VERSION", "Bloop default Scala version", requiresPower = true)
val bloopVersion = EnvVar("BLOOP_VERSION", "Bloop default version", requiresPower = true)
val bloopServer = EnvVar("BLOOP_SERVER", "Bloop default host", requiresPower = true)
val bloopExtraTimeout = EnvVar("SCALA_CLI_EXTRA_TIMEOUT", "Extra timeout", requiresPower = true)
}
object Internal extends EnvVarGroup {
override def groupName: String = "Internal"
def all = Seq(ci)
val ci = EnvVar("CI", "Marker for running on the CI", requiresPower = true)
}
}
