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-rwxr-xr-xtools/upgrade.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/upgrade.sh b/tools/upgrade.sh
index 34ff3f027..f7a263d66 100755
--- a/tools/upgrade.sh
+++ b/tools/upgrade.sh
@@ -1,4 +1,5 @@
#!/usr/bin/env zsh
+set +u # disable nounset
local ret=0 # exit code