gitver: drop 'v' tag prefix where appropriate

If the tag starts with 'v' followed by a number, drop the 'v' prefix.  This
will not be done for you if you customize GIT_TAGADJUST.

Signed-off-by: Chris Larson <chris_larson@mentor.com>

diff --git a/classes/gitver.bbclass b/classes/gitver.bbclass
index 3edb273..2efb3f1 100644 (file)
--- a/classes/gitver.bbclass
+++ b/classes/gitver.bbclass
@@ -5,8 +5,13 @@
 # for use in ${PV}, extracted from the ${S} git checkout, assuming it is one.
 # This is most useful in concert with srctree.bbclass.
 
+def git_drop_tag_prefix(version):
+    if re.match("v\d", version):
+        return version[1:]
+    else:
+        return version
 
-GIT_TAGADJUST = "version"
+GIT_TAGADJUST = "git_drop_tag_prefix(version)"
 GITVER = "${@get_git_pv('${S}', d, tagadjust=lambda version:${GIT_TAGADJUST})}"
 
 def get_git_pv(path, d, tagadjust=None):