From: Prarit Bhargava <prarit(a)redhat.com>
redhat/Makefile.variables: Change git hash length to default
After some discussion on the Fedora Kernel Mailing List  we have
decided to switch back to the default git hash length.
Signed-off-by: Prarit Bhargava <prarit(a)redhat.com>
diff --git a/redhat/Makefile.variables b/redhat/Makefile.variables
index blahblah..blahblah 100644
@@ -70,7 +70,7 @@ PACKAGE_NAME ?= kernel
# This is the executable for 'git' commands. It is used by the redhat/self-test
# tests to provide testing information on git hashes (see redhat/self-test/egit.sh)
-GIT ?= git -c "core.abbrev=15"
+GIT ?= git
# This is the referenced HEAD commit for git commands and can be used to change
# the "top of tree" commit ID. This is useful in cases where users want to