+# This is presently used by the GNOME-OSTree build system; it
+# helps support the case where the meta-build system has already
+# determined the git revision, but we may not be able to run "git describe"
+# because we're inside a chroot.
+if test -n "$GIT_DESCRIBE_FOR_BUILD";
+then
+ v=$GIT_DESCRIBE_FOR_BUILD
+fi
+