From 8787f495e09fd3857fd4bbbb7c32784f86787df6 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Wed, 9 Aug 2017 18:52:53 +0200
Subject: [PATCH] ignore object 0000000000000000000000000000000000000000

remote: fatal: bad object 0000000000000000000000000000000000000000

this can happen on initial repos or when pushing tags etc.
---
 example_post-receive.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/example_post-receive.sh b/example_post-receive.sh
index 5f827e1..ba87e51 100755
--- a/example_post-receive.sh
+++ b/example_post-receive.sh
@@ -32,6 +32,8 @@ cd "${dir}" || exit 1
 # detect git push -f
 force=0
 while read -r old new ref; do
+	test "${old}" = "0000000000000000000000000000000000000000" && continue
+
 	hasrevs=$(git rev-list "${old}" "^${new}" | sed 1q)
 	if test -n "${hasrevs}"; then
 		force=1