scripts/contrib/patchreview: fix commit identification

git show-ref looks at the _remote_ ref called HEAD, which is fine when it
matches the local HEAD but problematic when you're iterating a series of
commits.

Use rev-parse to resolve the local name to a proper hash.

(From OE-Core rev: 3c04747b681cf6090ba9c77752f6c2f304dbbe17)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/contrib/patchreview.py b/scripts/contrib/patchreview.py
index f95cadab0c..bceae06561 100755
--- a/scripts/contrib/patchreview.py
+++ b/scripts/contrib/patchreview.py
@@ -257,7 +257,7 @@ if __name__ == "__main__":
         row = collections.Counter()
         row["total"] = len(results)
         row["date"] = subprocess.check_output(["git", "-C", args.directory, "show", "-s", "--pretty=format:%cd", "--date=format:%s"], universal_newlines=True).strip()
-        row["commit"] = subprocess.check_output(["git", "-C", args.directory, "show-ref", "--hash", "HEAD"], universal_newlines=True).strip()
+        row["commit"] = subprocess.check_output(["git", "-C", args.directory, "rev-parse", "HEAD"], universal_newlines=True).strip()
         row['commit_count'] = subprocess.check_output(["git", "-C", args.directory, "rev-list", "--count", "HEAD"], universal_newlines=True).strip()
         row['recipe_count'] = count_recipes(layers)