#!/bin/sh
#
# Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
#

test_description='test smart pushing over http via http-backend'
. ./test-lib.sh

if test -n "$NO_CURL"; then
	skip_all='skipping test, git built without http support'
	test_done
fi

ROOT_PATH="$PWD"
LIB_HTTPD_PORT=${LIB_HTTPD_PORT-'5541'}
. "$TEST_DIRECTORY"/lib-httpd.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
start_httpd

test_expect_success 'setup remote repository' '
	cd "$ROOT_PATH" &&
	mkdir test_repo &&
	cd test_repo &&
	git init &&
	: >path1 &&
	git add path1 &&
	test_tick &&
	git commit -m initial &&
	cd - &&
	git clone --bare test_repo test_repo.git &&
	cd test_repo.git &&
	git config http.receivepack true &&
	ORIG_HEAD=$(git rev-parse --verify HEAD) &&
	cd - &&
	mv test_repo.git "$HTTPD_DOCUMENT_ROOT_PATH"
'

cat >exp <<EOF
GET  /smart/test_repo.git/info/refs?service=git-upload-pack HTTP/1.1 200
POST /smart/test_repo.git/git-upload-pack HTTP/1.1 200
EOF
test_expect_success 'no empty path components' '
	# In the URL, add a trailing slash, and see if git appends yet another
	# slash.
	cd "$ROOT_PATH" &&
	git clone $HTTPD_URL/smart/test_repo.git/ test_repo_clone &&

	sed -e "
		s/^.* \"//
		s/\"//
		s/ [1-9][0-9]*\$//
		s/^GET /GET  /
	" >act <"$HTTPD_ROOT_PATH"/access.log &&

	# Clear the log, so that it does not affect the "used receive-pack
	# service" test which reads the log too.
	#
	# We do this before the actual comparison to ensure the log is cleared.
	echo > "$HTTPD_ROOT_PATH"/access.log &&

	test_cmp exp act
'

test_expect_success 'clone remote repository' '
	rm -rf test_repo_clone &&
	git clone $HTTPD_URL/smart/test_repo.git test_repo_clone
'

test_expect_success 'push to remote repository (standard)' '
	cd "$ROOT_PATH"/test_repo_clone &&
	: >path2 &&
	git add path2 &&
	test_tick &&
	git commit -m path2 &&
	HEAD=$(git rev-parse --verify HEAD) &&
	GIT_CURL_VERBOSE=1 git push -v -v 2>err &&
	! grep "Expect: 100-continue" err &&
	grep "POST git-receive-pack ([0-9]* bytes)" err &&
	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/test_repo.git &&
	 test $HEAD = $(git rev-parse --verify HEAD))
'

test_expect_success 'push already up-to-date' '
	git push
'

test_expect_success 'create and delete remote branch' '
	cd "$ROOT_PATH"/test_repo_clone &&
	git checkout -b dev &&
	: >path3 &&
	git add path3 &&
	test_tick &&
	git commit -m dev &&
	git push origin dev &&
	git push origin :dev &&
	test_must_fail git show-ref --verify refs/remotes/origin/dev
'

cat >"$HTTPD_DOCUMENT_ROOT_PATH/test_repo.git/hooks/update" <<EOF
#!/bin/sh
exit 1
EOF
chmod a+x "$HTTPD_DOCUMENT_ROOT_PATH/test_repo.git/hooks/update"

cat >exp <<EOF
remote: error: hook declined to update refs/heads/dev2
To http://127.0.0.1:$LIB_HTTPD_PORT/smart/test_repo.git
 ! [remote rejected] dev2 -> dev2 (hook declined)
error: failed to push some refs to 'http://127.0.0.1:$LIB_HTTPD_PORT/smart/test_repo.git'
EOF

test_expect_success 'rejected update prints status' '
	cd "$ROOT_PATH"/test_repo_clone &&
	git checkout -b dev2 &&
	: >path4 &&
	git add path4 &&
	test_tick &&
	git commit -m dev2 &&
	test_must_fail git push origin dev2 2>act &&
	sed -e "/^remote: /s/ *$//" <act >cmp &&
	test_cmp exp cmp
'
rm -f "$HTTPD_DOCUMENT_ROOT_PATH/test_repo.git/hooks/update"

cat >exp <<EOF

GET  /smart/test_repo.git/info/refs?service=git-upload-pack HTTP/1.1 200
POST /smart/test_repo.git/git-upload-pack HTTP/1.1 200
GET  /smart/test_repo.git/info/refs?service=git-receive-pack HTTP/1.1 200
POST /smart/test_repo.git/git-receive-pack HTTP/1.1 200
GET  /smart/test_repo.git/info/refs?service=git-receive-pack HTTP/1.1 200
GET  /smart/test_repo.git/info/refs?service=git-receive-pack HTTP/1.1 200
POST /smart/test_repo.git/git-receive-pack HTTP/1.1 200
GET  /smart/test_repo.git/info/refs?service=git-receive-pack HTTP/1.1 200
POST /smart/test_repo.git/git-receive-pack HTTP/1.1 200
GET  /smart/test_repo.git/info/refs?service=git-receive-pack HTTP/1.1 200
POST /smart/test_repo.git/git-receive-pack HTTP/1.1 200
EOF
test_expect_success 'used receive-pack service' '
	sed -e "
		s/^.* \"//
		s/\"//
		s/ [1-9][0-9]*\$//
		s/^GET /GET  /
	" >act <"$HTTPD_ROOT_PATH"/access.log &&
	test_cmp exp act
'

test_http_push_nonff "$HTTPD_DOCUMENT_ROOT_PATH"/test_repo.git \
	"$ROOT_PATH"/test_repo_clone master

test_expect_success 'push fails for non-fast-forward refs unmatched by remote helper' '
	# create a dissimilarly-named remote ref so that git is unable to match the
	# two refs (viz. local, remote) unless an explicit refspec is provided.
	git push origin master:retsam

	echo "change changed" > path2 &&
	git commit -a -m path2 --amend &&

	# push master too; this ensures there is at least one '"'push'"' command to
	# the remote helper and triggers interaction with the helper.
	test_must_fail git push -v origin +master master:retsam >output 2>&1'

test_expect_success 'push fails for non-fast-forward refs unmatched by remote helper: remote output' '
	grep "^ + [a-f0-9]*\.\.\.[a-f0-9]* *master -> master (forced update)$" output &&
	grep "^ ! \[rejected\] *master -> retsam (non-fast-forward)$" output
'

test_expect_success 'push fails for non-fast-forward refs unmatched by remote helper: our output' '
	test_i18ngrep "To prevent you from losing history, non-fast-forward updates were rejected" \
		output
'

test_expect_success 'push (chunked)' '
	git checkout master &&
	test_commit commit path3 &&
	HEAD=$(git rev-parse --verify HEAD) &&
	git config http.postbuffer 4 &&
	test_when_finished "git config --unset http.postbuffer" &&
	git push -v -v origin $BRANCH 2>err &&
	grep "POST git-receive-pack (chunked)" err &&
	(cd "$HTTPD_DOCUMENT_ROOT_PATH"/test_repo.git &&
	 test $HEAD = $(git rev-parse --verify HEAD))
'

test_expect_success 'push --all can push to empty repo' '
	d=$HTTPD_DOCUMENT_ROOT_PATH/empty-all.git &&
	git init --bare "$d" &&
	git --git-dir="$d" config http.receivepack true &&
	git push --all "$HTTPD_URL"/smart/empty-all.git
'

test_expect_success 'push --mirror can push to empty repo' '
	d=$HTTPD_DOCUMENT_ROOT_PATH/empty-mirror.git &&
	git init --bare "$d" &&
	git --git-dir="$d" config http.receivepack true &&
	git push --mirror "$HTTPD_URL"/smart/empty-mirror.git
'

test_expect_success 'push --all to repo with alternates' '
	s=$HTTPD_DOCUMENT_ROOT_PATH/test_repo.git &&
	d=$HTTPD_DOCUMENT_ROOT_PATH/alternates-all.git &&
	git clone --bare --shared "$s" "$d" &&
	git --git-dir="$d" config http.receivepack true &&
	git --git-dir="$d" repack -adl &&
	git push --all "$HTTPD_URL"/smart/alternates-all.git
'

test_expect_success 'push --mirror to repo with alternates' '
	s=$HTTPD_DOCUMENT_ROOT_PATH/test_repo.git &&
	d=$HTTPD_DOCUMENT_ROOT_PATH/alternates-mirror.git &&
	git clone --bare --shared "$s" "$d" &&
	git --git-dir="$d" config http.receivepack true &&
	git --git-dir="$d" repack -adl &&
	git push --mirror "$HTTPD_URL"/smart/alternates-mirror.git
'

test_expect_success TTY 'quiet push' '
	cd "$ROOT_PATH"/test_repo_clone &&
	test_commit quiet &&
	test_terminal git push --quiet --no-progress 2>&1 | tee output &&
	test_cmp /dev/null output
'

stop_httpd
test_done