Create patch set 4

Change has been successfully rebased and submitted as 52bab0ba27

2 is the latest approved patch-set.
The change was submitted with unreviewed changes in the following files:

```
The name of the file: project.py
Insertions: 1, Deletions: 1.

@@ -3835,7 +3835,7 @@
         def GetHead(self):
             """Return the ref that HEAD points to."""
             try:
-                return self.rev_parse("--symbolic-full-name", "HEAD")
+                return self.rev_parse("--symbolic-full-name", HEAD)
             except GitError as e:
                 path = self.GetDotgitPath(subpath=HEAD)
                 raise NoManifestException(path, str(e))
```


Patch-set: 4
Patch-set-description: Rebase
Subject: project: Use git rev-parse to read HEAD
Status: merged
Commit: 52bab0ba27
Tag: autogenerated:gerrit:merged
Groups: bd2359cbf0
Label: Verified=+1, 8833a92144fa378243d0880f2da84e62ff71ad09 Gerrit User 1088583 <1088583@173816e5-2b9a-37c3-8a2e-48639d4f1153>
Label: Code-Review=+2, cd1ee577b4215e88b1b18442a6c8618ebe600ba5 Gerrit User 1142791 <1142791@173816e5-2b9a-37c3-8a2e-48639d4f1153>
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Submitted-with: OK
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Submitted-with: MAY: Bot-Commit
Submitted-with: MAY: Auto-Submit
Submitted-with: MAY: Lint
Ours: 0ebf0ccbdc
Theirs: 2e6d0881d9
Contains-Conflicts: false

0ebf0ccbdceb2d363e5340f563ef749a90e90970

@@ -0,0 +1,185 @@
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