Bisect demo added.

src/main/groovy/Starter.groovy

@@ -1,6 +1,7 @@
 import org.strangeway.disttest.Distro
 import org.strangeway.disttest.Initramfs
 import org.strangeway.disttest.KernelBinary
+import org.strangeway.disttest.KernelRepo
 import org.strangeway.disttest.KernelSourcePool
 import org.strangeway.disttest.Utils
 
@@ -52,8 +53,32 @@ class Starter {
         }
     }
 
+    public static void bisectDemo(){
+        KernelSourcePool kernelSourcePool = new KernelSourcePool()
+        Initramfs initramfs = new Initramfs("hello.sh")
+        initramfs.getArtifact()
+
+        String[] commits = KernelRepo.getVersionBetweenTags("v3.18", "v3.18.28")
+        int broken = 0
+        int working = commits.length-1
+        while(broken+1 != working){
+            int testIndex = (broken+working)/2
+            KernelBinary kernelBinary = new KernelBinary("linux-3.18", commits[testIndex], "acpi", kernelSourcePool)
+            println "Testing commit #$testIndex($broken..$working)"+commits[testIndex]
+            Distro distro = new Distro(kernelBinary, initramfs)
+            String res = distro.run()
+            distro.close()
+            println "Res: $res\n"
+            if(res == "<KILLED>"){
+                broken = testIndex
+            }else{
+                working = testIndex
+            }
+        }
+    }
+
     public static void main(String[] args) {
-        threadedDemo()
+        bisectDemo()
     }
 }
 

src/main/groovy/org/strangeway/disttest/KernelRepo.groovy

@@ -1,4 +1,27 @@
 package org.strangeway.disttest
 
 class KernelRepo {
+    private static final gitUrl = "git@server.home:/home/git/linux-stable.git"
+
+    static String getRepoPath() {
+        File repoDir = new File("kernelRepo/linux-stable")
+        if (repoDir.isDirectory()) {
+            return repoDir.getPath()
+        }
+        Process process = new ProcessBuilder("git", "clone", "--no-checkout", gitUrl).directory(new File("kernelRepo")).start();
+        process.consumeProcessOutput()
+        process.waitFor()
+        assert 0 == process.exitValue()
+        return repoDir.getPath()
+    }
+
+    static String[] getVersionBetweenTags(String from, String to){
+        Process process = new ProcessBuilder("git", "log", "--pretty=format:%H", "$from..$to").directory(new File(getRepoPath())).start();
+        StringBuilder sout = new StringBuilder()
+        StringBuilder serr = new StringBuilder()
+        process.consumeProcessOutput(sout, serr)
+        process.waitFor()
+        assert 0 == process.exitValue()
+        return sout.tokenize("\n").reverse()
+    }
 }

src/main/groovy/org/strangeway/disttest/KernelSource.groovy

@@ -7,29 +7,18 @@ import java.util.regex.Matcher
 class KernelSource implements Task {
     private percentage = 0
     private static final basePath = "kernelSources"
-    private static final gitUrl = "git@server.home:/home/git/linux-stable.git"
     String version
     String commit
     int slot
     String tmpMountPoint
     String aufsMountPoint
+    KernelRepo kernelRepo
 
     KernelSource(String _version, String _commit, int _slot) {
         version = _version
         commit = _commit
         slot = _slot
-    }
-
-    static String getRepoPath() {
-        File repoDir = new File("kernelRepo/linux-stable")
-        if (repoDir.isDirectory()) {
-            return repoDir.getPath()
-        }
-        Process process = new ProcessBuilder("git", "clone", "--no-checkout", gitUrl).directory(new File("kernelRepo")).start();
-        process.consumeProcessOutput()
-        process.waitFor()
-        assert 0 == process.exitValue()
-        return repoDir.getPath()
+        kernelRepo = new KernelRepo()
     }
 
     String getSeedPath(String version) {
@@ -92,7 +81,7 @@ class KernelSource implements Task {
         }
         String seed = getSeedPath(version)
         percentage = 20
-        String repo = getRepoPath()
+        String repo = kernelRepo.getRepoPath()
         percentage = 40
         String tmp = getTmpPath()
         percentage = 60