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-rwxr-xr-xtemplates/hooks--update.sample2
1 files changed, 1 insertions, 1 deletions
diff --git a/templates/hooks--update.sample b/templates/hooks--update.sample
index 5014c4b..c4d426b 100755
--- a/templates/hooks--update.sample
+++ b/templates/hooks--update.sample
@@ -60,7 +60,7 @@ esac
# --- Check types
# if $newrev is 0000...0000, it's a commit to delete a ref.
-zero="0000000000000000000000000000000000000000"
+zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
if [ "$newrev" = "$zero" ]; then
newrev_type=delete
else