hooks--update.sample: use hash-agnostic zero OID
The update sample hook has the zero OID hardcoded as 40 zeros. However, with the introduction of SHA-256 support, this assumption no longer holds true. Replace the hardcoded $z40 with a call to git hash-object --stdin </dev/null | tr '[0-9a-f]' '0' so the sample hook becomes hash-agnostic. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Denton Liu committed
Sep 23, 2020 at 02:38 UTC
d8d3d632f4165955da49032d50279c20cfbde2e5
1 file changed
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templates/hooks--update.sample
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@@ -60,7 +60,7 @@ esac
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# --- Check types
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# if $newrev is 0000...0000, it's a commit to delete a ref.
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-zero="0000000000000000000000000000000000000000"
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+zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
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if [ "$newrev" = "$zero" ]; then
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newrev_type=delete
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else