autobuild: fixed detection of master changes

diff --git a/script/autobuild.py b/script/autobuild.py
index 49415628c9784c56c0d47e309ef49c666b1a2f33..f75ccd7fffbb16c94ffcd4e9d7b849c45d81717e 100755 (executable)
--- a/script/autobuild.py
+++ b/script/autobuild.py
@@ -62,12 +62,13 @@ tasks = {
 
 retry_task = [ '''set -e
                 git remote add -t master master %s
+                git fetch master
                 while :; do
                   sleep 60
+                  git describe master/master > old_master.desc
                   git fetch master
-                  git describe > HEAD.desc
-                  git describe > master.desc
-                  diff HEAD.desc master.desc
+                  git describe master/master > master.desc
+                  diff old_master.desc master.desc
                 done
                ''' % samba_master]