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hooks--pre-push.sample: use hash-agnostic zero OID 

The pre-push 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>
This commit is contained in:
Denton Liu 2020-09-23 02:38:44 -07:00 committed by Junio C Hamano
parent 6a117da6e5
commit 8c7e505950
1 changed files with 3 additions and 3 deletions
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6
templates/hooks--pre-push.sample
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@ -22,16 +22,16 @@
remote="$1"
url="$2"
z40=0000000000000000000000000000000000000000
zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
while read local_ref local_oid remote_ref remote_oid
do
if test "$local_oid" = $z40
if test "$local_oid" = "$zero"
then
# Handle delete
:
else
if test "$remote_oid" = $z40
if test "$remote_oid" = "$zero"
then
# New branch, examine all commits
range="$local_oid"