began commit process

plugins/hack18-clean-history/src/chm/ChmCheckinHandlerFactory.kt

@@ -2,7 +2,6 @@
 package chm
 
 import com.intellij.openapi.vcs.CheckinProjectPanel
-import com.intellij.openapi.vcs.changes.Change
 import com.intellij.openapi.vcs.changes.CommitExecutor
 import com.intellij.openapi.vcs.checkin.CheckinHandler
 import com.intellij.openapi.vcs.checkin.VcsCheckinHandlerFactory
@@ -56,10 +55,3 @@ class MyCheckinHandler(panel: CheckinProjectPanel) : CheckinHandler() {
   }
 }
 
-class MyCommitProcess : GitCheckinEnvironment.OverridingCommitProcedure {
-
-  override fun commit(changes: List<Change>, message: String) {
-  }
-
-
-}

plugins/hack18-clean-history/src/chm/ChmCommitProcess.kt

+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package chm
+
+import com.intellij.openapi.vcs.changes.Change
+import com.intellij.openapi.vcs.changes.ChangesUtil
+import git4idea.checkin.GitCheckinEnvironment
+
+class MyCommitProcess : GitCheckinEnvironment.OverridingCommitProcedure {
+
+  override fun commit(changes: List<Change>, message: String) {
+
+    // TODO deleted
+
+    val ancestor = ChangesUtil.findCommonAncestor(changes)
+
+    // get history for ancestor
+    // find latest label "commit changes"
+    // get all changes made after "commit changes"
+    // extract refactorings from them
+
+
+  }
+
+
+}
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