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Diffstat (limited to 'cloudinit/CloudConfig/cc_apt_update_upgrade.py')
-rw-r--r--cloudinit/CloudConfig/cc_apt_update_upgrade.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/cloudinit/CloudConfig/cc_apt_update_upgrade.py b/cloudinit/CloudConfig/cc_apt_update_upgrade.py
index e1226c85..396c5e09 100644
--- a/cloudinit/CloudConfig/cc_apt_update_upgrade.py
+++ b/cloudinit/CloudConfig/cc_apt_update_upgrade.py
@@ -142,7 +142,7 @@ def add_sources(srclist):
except:
elst.append([source, "failed add key"])
- try: util.write_file(ent['filename'], source + "\n")
+ try: util.write_file(ent['filename'], source + "\n", omode="ab")
except:
elst.append([source, "failed write to file %s" % ent['filename']])