mirror of https://github.com/sbt/sbt.git
72 lines
3.3 KiB
Scala
72 lines
3.3 KiB
Scala
package ${{cross.package0}}.${{cross.package1}}
|
|
|
|
object CrossVersionUtil
|
|
{
|
|
val trueString = "true"
|
|
val falseString = "false"
|
|
val fullString = "full"
|
|
val noneString = "none"
|
|
val disabledString = "disabled"
|
|
val binaryString = "binary"
|
|
val TransitionScalaVersion = "2.10"
|
|
val TransitionSbtVersion = "0.12"
|
|
|
|
def isFull(s: String): Boolean = (s == trueString) || (s == fullString)
|
|
def isDisabled(s: String): Boolean = (s == falseString) || (s == noneString) || (s == disabledString)
|
|
def isBinary(s: String): Boolean = (s == binaryString)
|
|
|
|
private[${{cross.package0}}] def isSbtApiCompatible(v: String): Boolean = sbtApiVersion(v).isDefined
|
|
/** Returns sbt binary interface x.y API compatible with the given version string v.
|
|
* RCs for x.y.0 are considered API compatible.
|
|
* Compatibile versions include 0.12.0-1 and 0.12.0-RC1 for Some(0, 12).
|
|
*/
|
|
private[${{cross.package0}}] def sbtApiVersion(v: String): Option[(Int, Int)] =
|
|
{
|
|
val ReleaseV = """(\d+)\.(\d+)\.(\d+)(-\d+)?""".r
|
|
val CandidateV = """(\d+)\.(\d+)\.(\d+)(-RC\d+)""".r
|
|
val NonReleaseV = """(\d+)\.(\d+)\.(\d+)([-\w+]*)""".r
|
|
v match {
|
|
case ReleaseV(x, y, z, ht) => Some((x.toInt, y.toInt))
|
|
case CandidateV(x, y, z, ht) => Some((x.toInt, y.toInt))
|
|
case NonReleaseV(x, y, z, ht) if z.toInt > 0 => Some((x.toInt, y.toInt))
|
|
case _ => None
|
|
}
|
|
}
|
|
private[${{cross.package0}}] def isScalaApiCompatible(v: String): Boolean = scalaApiVersion(v).isDefined
|
|
/** Returns Scala binary interface x.y API compatible with the given version string v.
|
|
* Compatibile versions include 2.10.0-1 and 2.10.1-M1 for Some(2, 10), but not 2.10.0-RC1.
|
|
*/
|
|
private[${{cross.package0}}] def scalaApiVersion(v: String): Option[(Int, Int)] =
|
|
{
|
|
val ReleaseV = """(\d+)\.(\d+)\.(\d+)(-\d+)?""".r
|
|
val BinCompatV = """(\d+)\.(\d+)\.(\d+)-bin(-.*)?""".r
|
|
val NonReleaseV = """(\d+)\.(\d+)\.(\d+)(-\w+)""".r
|
|
v match {
|
|
case ReleaseV(x, y, z, ht) => Some((x.toInt, y.toInt))
|
|
case BinCompatV(x, y, z, ht) => Some((x.toInt, y.toInt))
|
|
case NonReleaseV(x, y, z, ht) if z.toInt > 0 => Some((x.toInt, y.toInt))
|
|
case _ => None
|
|
}
|
|
}
|
|
private[${{cross.package0}}] val PartialVersion = """(\d+)\.(\d+)(?:\..+)?""".r
|
|
private[${{cross.package0}}] def partialVersion(s: String): Option[(Int,Int)] =
|
|
s match {
|
|
case PartialVersion(major, minor) => Some((major.toInt, minor.toInt))
|
|
case _ => None
|
|
}
|
|
def binaryScalaVersion(full: String): String = binaryVersionWithApi(full, TransitionScalaVersion)(scalaApiVersion)
|
|
def binarySbtVersion(full: String): String = binaryVersionWithApi(full, TransitionSbtVersion)(sbtApiVersion)
|
|
private[${{cross.package0}}] def binaryVersion(full: String, cutoff: String): String = binaryVersionWithApi(full, cutoff)(scalaApiVersion)
|
|
private[this] def isNewer(major: Int, minor: Int, minMajor: Int, minMinor: Int): Boolean =
|
|
major > minMajor || (major == minMajor && minor >= minMinor)
|
|
private[this] def binaryVersionWithApi(full: String, cutoff: String)(apiVersion: String => Option[(Int,Int)]): String =
|
|
{
|
|
def sub(major: Int, minor: Int) = major + "." + minor
|
|
(apiVersion(full), partialVersion(cutoff)) match {
|
|
case (Some((major, minor)), None) => sub(major, minor)
|
|
case (Some((major, minor)), Some((minMajor, minMinor))) if isNewer(major, minor, minMajor, minMinor) => sub(major, minor)
|
|
case _ => full
|
|
}
|
|
}
|
|
}
|