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name: t/t5411-proc-receive-hook.sh 	 # note: path name is non-authoritative(*)

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#!/bin/sh
#
# Copyright (c) 2020 Jiang Xin
#

test_description='Test proc-receive hook'

. ./test-lib.sh

# Create commits in <repo> and assign each commit's oid to shell variables
# given in the arguments (A, B, and C). E.g.:
#
#     create_commits_in <repo> A B C
#
# NOTE: Avoid calling this function from a subshell since variable
# assignments will disappear when subshell exits.
create_commits_in () {
	repo="$1" &&
	if ! parent=$(git -C "$repo" rev-parse HEAD^{} 2>/dev/null)
	then
		parent=
	fi &&
	T=$(git -C "$repo" write-tree) &&
	shift &&
	while test $# -gt 0
	do
		name=$1 &&
		test_tick &&
		if test -z "$parent"
		then
			oid=$(echo $name | git -C "$repo" commit-tree $T)
		else
			oid=$(echo $name | git -C "$repo" commit-tree -p $parent $T)
		fi &&
		eval $name=$oid &&
		parent=$oid &&
		shift ||
		return 1
	done &&
	git -C "$repo" update-ref refs/heads/master $oid
}

format_git_output () {
	sed \
		-e "s/  *\$//g" \
		-e "s/$A/<COMMIT-A>/g" \
		-e "s/$B/<COMMIT-B>/g" \
		-e "s/$TAG/<COMMIT-T>/g" \
		-e "s/$ZERO_OID/<ZERO-OID>/g" \
		-e "s/'/\"/g"
}

test_expect_success "setup" '
	git init --bare upstream &&
	git init workbench &&
	create_commits_in workbench A B &&
	(
		cd workbench &&
		git remote add origin ../upstream &&
		git config core.abbrev 7 &&
		git update-ref refs/heads/master $A &&
		git tag -m "v1.0.0" v1.0.0 $A &&
		git push origin \
			$B:refs/heads/master \
			$A:refs/heads/next
	) &&
	TAG=$(cd workbench; git rev-parse v1.0.0) &&

	# setup pre-receive hook
	cat >upstream/hooks/pre-receive <<-EOF &&
	#!/bin/sh

	printf >&2 "# pre-receive hook\n"

	while read old new ref
	do
		printf >&2 "pre-receive< \$old \$new \$ref\n"
	done
	EOF

	# setup post-receive hook
	cat >upstream/hooks/post-receive <<-EOF &&
	#!/bin/sh

	printf >&2 "# post-receive hook\n"

	while read old new ref
	do
		printf >&2 "post-receive< \$old \$new \$ref\n"
	done
	EOF

	chmod a+x \
		upstream/hooks/pre-receive \
		upstream/hooks/post-receive
'

test_expect_success "normal git-push command" '
	(
		cd workbench &&
		git push -f origin \
			refs/tags/v1.0.0 \
			:refs/heads/next \
			HEAD:refs/heads/master \
			HEAD:refs/review/master/topic \
			HEAD:refs/heads/a/b/c
	) >out 2>&1 &&
	format_git_output <out >actual &&
	cat >expect <<-EOF &&
	remote: # pre-receive hook
	remote: pre-receive< <COMMIT-B> <COMMIT-A> refs/heads/master
	remote: pre-receive< <COMMIT-A> <ZERO-OID> refs/heads/next
	remote: pre-receive< <ZERO-OID> <COMMIT-T> refs/tags/v1.0.0
	remote: pre-receive< <ZERO-OID> <COMMIT-A> refs/review/master/topic
	remote: pre-receive< <ZERO-OID> <COMMIT-A> refs/heads/a/b/c
	remote: # post-receive hook
	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/heads/master
	remote: post-receive< <COMMIT-A> <ZERO-OID> refs/heads/next
	remote: post-receive< <ZERO-OID> <COMMIT-T> refs/tags/v1.0.0
	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/review/master/topic
	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/heads/a/b/c
	To ../upstream
	 + ce858e6...1029397 HEAD -> master (forced update)
	 - [deleted]         next
	 * [new tag]         v1.0.0 -> v1.0.0
	 * [new reference]   HEAD -> refs/review/master/topic
	 * [new branch]      HEAD -> a/b/c
	EOF
	test_cmp expect actual &&
	(
		cd upstream &&
		git show-ref
	) >out &&
	format_git_output <out >actual &&
	cat >expect <<-EOF &&
	<COMMIT-A> refs/heads/a/b/c
	<COMMIT-A> refs/heads/master
	<COMMIT-A> refs/review/master/topic
	<COMMIT-T> refs/tags/v1.0.0
	EOF
	test_cmp expect actual
'

test_done

debug log:

solving fe2861f2e6 ...
found fe2861f2e6 in https://public-inbox.org/git/20200322131815.11872-2-worldhello.net@gmail.com/

applying [1/1] https://public-inbox.org/git/20200322131815.11872-2-worldhello.net@gmail.com/
diff --git a/t/t5411-proc-receive-hook.sh b/t/t5411-proc-receive-hook.sh
new file mode 100755
index 0000000000..fe2861f2e6

Checking patch t/t5411-proc-receive-hook.sh...
Applied patch t/t5411-proc-receive-hook.sh cleanly.

index at:
100755 fe2861f2e66f4c130c86fd0e3f70fa4b4bd421f6	t/t5411-proc-receive-hook.sh

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    Blobs themselves have no identifier aside from the hash of its contents.^

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