1 files changed, 63 insertions, 0 deletions
diff --git a/plugins/git4idea/tests/git4idea/log/RefParser.java b/plugins/git4idea/tests/git4idea/log/RefParser.java
new file mode 100644
index 000000000000..9a4cc962c6e7
--- /dev/null
+++ b/plugins/git4idea/tests/git4idea/log/RefParser.java
@@ -0,0 +1,63 @@
+package git4idea.log;
+
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.vcs.log.Hash;
+import com.intellij.vcs.log.VcsLogObjectsFactory;
+import com.intellij.vcs.log.VcsRef;
+import com.intellij.vcs.log.VcsRefType;
+import com.intellij.vcs.log.impl.HashImpl;
+import git4idea.branch.GitBranchUtil;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+class RefParser {
+
+  private final VcsLogObjectsFactory myFactory;
+
+  public RefParser(@NotNull VcsLogObjectsFactory factory) {
+    myFactory = factory;
+  }
+
+  // e25b7d8f (HEAD, refs/remotes/origin/master, refs/remotes/origin/HEAD, refs/heads/master)
+  public List<VcsRef> parseCommitRefs(@NotNull String input, @NotNull VirtualFile root) {
+    int firstSpaceIndex = input.indexOf(' ');
+    if (firstSpaceIndex < 0) {
+      return Collections.emptyList();
+    }
+    String strHash = input.substring(0, firstSpaceIndex);
+    Hash hash = HashImpl.build(strHash);
+    String refPaths = input.substring(firstSpaceIndex + 2, input.length() - 1);
+    String[] longRefPaths = refPaths.split(", ");
+    List<VcsRef> refs = new ArrayList<VcsRef>();
+    for (String longRefPatch : longRefPaths) {
+      VcsRef ref = createRef(hash, longRefPatch, root);
+      if (ref != null) {
+        refs.add(ref);
+      }
+    }
+    return refs;
+  }
+
+  @NotNull
+  private static String getRefName(@NotNull String longRefPath) {
+    String tagPrefix = "tag: ";
+    if (longRefPath.startsWith(tagPrefix)) {
+      longRefPath = longRefPath.substring(tagPrefix.length());
+    }
+    return longRefPath;
+  }
+
+  // example input: fb29c80 refs/tags/92.29
+  @Nullable
+  private VcsRef createRef(@NotNull Hash hash, @NotNull String longRefPath, @NotNull VirtualFile root) {
+    String name = getRefName(longRefPath);
+    VcsRefType type = GitRefManager.getRefType(name);
+    assert type != null;
+    return myFactory.createRef(hash, GitBranchUtil.stripRefsPrefix(name), type, root);
+  }
+
+}