[PATCH] bitbake: fetch2/git: Allow HEAD to be searched.

[Mariano Lopez <mariano.lopez@linux.intel.com>]

This makes it possble to fetch/search HEAD. This is useful when 
searching for HEAD doing the sanity check.

[YOCTO #7592]

Signed-off-by: mlopezva <mariano.lopez@linux.intel.com>
---
  bitbake/lib/bb/fetch2/git.py | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/bitbake/lib/bb/fetch2/git.py b/bitbake/lib/bb/fetch2/git.py
index 0d91431..12fb6a2 100644
--- a/bitbake/lib/bb/fetch2/git.py
+++ b/bitbake/lib/bb/fetch2/git.py
@@ -345,6 +345,9 @@ class Git(FetchMethod):
          if ud.unresolvedrev[name][:5] == "refs/":
              head = ud.unresolvedrev[name]
              tag = ud.unresolvedrev[name]
+        elif ud.unresolvedrev[name] == "HEAD":
+            head = ud.unresolvedrev[name]
+            tag = ud.unresolvedrev[name]
          else:
              head = "refs/heads/%s" % ud.unresolvedrev[name]
              tag = "refs/tags/%s" % ud.unresolvedrev[name]
-- 
1.8.4.5