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sbt
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Use fragment part of URI for specifying branch/tag for external build references

This commit is contained in:
Mark Harrah 2011-05-07 22:02:06 -04:00
parent 9dc9ccd0d3
commit 5d47aca7e8
1 changed files with 18 additions and 4 deletions
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22
main/Build.scala
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@ -40,7 +40,7 @@ object RetrieveUnit
lazy val tmp = temporary(tempDir, base)
base.getScheme match
{
case "git" => Some { () => gitClone(base, tmp); tmp }
case "git" => Some { () => gitRetrieve(base, tmp); tmp }
case "http" | "https" => Some { () => downloadAndExtract(base, tmp); tmp }
case "file" =>
val f = new File(base)
@ -53,10 +53,24 @@ object RetrieveUnit
def hash(uri: URI): String = Hash.toHex(Hash(uri.toASCIIString))
import Process._
def gitClone(base: URI, tempDir: File): Unit =
if(!tempDir.exists) ("git" :: "clone" :: dropFragment(base).toASCIIString :: tempDir.getAbsolutePath :: branch(base)) ! ;
def branch(base: URI): List[String] = base.getFragment match { case null => Nil; case b => "-b" :: b :: Nil }
def gitRetrieve(base: URI, tempDir: File): Unit =
if(!tempDir.exists)
{
IO.createDirectory(tempDir)
gitClone(dropFragment(base), tempDir)
Option(base.getFragment) foreach { branch => gitCheckout(tempDir, branch) }
}
def dropFragment(base: URI): URI = if(base.getFragment eq null) base else new URI(base.getScheme, base.getSchemeSpecificPart, null)
def gitClone(base: URI, tempDir: File): Unit =
run("git" :: "clone" :: dropFragment(base).toASCIIString :: tempDir.getAbsolutePath :: Nil, tempDir) ;
def gitCheckout(tempDir: File, branch: String): Unit =
run("git" :: "checkout" :: "-q" :: branch :: Nil, tempDir) ;
def run(command: List[String], cwd: File): Unit =
{
val result = Process(command, cwd) ! ;
if(result != 0)
error("Nonzero exit code (" + result + "): " + command.mkString(" "))
}
}
object EvaluateConfigurations
{