kbuild: add svn revision information to setlocalversion

follow git and mercurial style, include uncommitted changes detect

Cc: Frans Pop <elendil@planet.nl>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 52f032e409a3..1c1bdaf7348a 100644..100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -45,3 +45,19 @@ if hgid=`hg id 2>/dev/null`; then
         # All done with mercurial
         exit
 fi
+
+# Check for svn and a svn repo.
+if rev=`svn info 2>/dev/null | grep '^Revision'`; then
+        rev=`echo $rev | awk '{print $NF}'`
+        changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l`
+
+        # Are there uncommitted changes?
+        if [ $changes != 0 ]; then
+                printf -- '-svn%s%s%s' "$rev" -dirty "$changes"
+        else
+                printf -- '-svn%s' "$rev"
+        fi
+
+        # All done with svn
+        exit
+fi