#!/bin/sh
#
# Copyright (c) 2020 Jiang Xin
#
test_description='Test git push porcelain output'
TEST_PASSES_SANITIZE_LEAK=true
. ./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: Never calling this function from a subshell since variable
# assignments will disappear when subshell exits.
create_commits_in () {
repo="$1" && test -d "$repo" ||
error "Repository $repo does not exist."
shift &&
while test $# -gt 0
do
name=$1 &&
shift &&
test_commit -C "$repo" --no-tag "$name" &&
eval $name=$(git -C "$repo" rev-parse HEAD)
done
}
get_abbrev_oid () {
oid=$1 &&
suffix=${oid#???????} &&
oid=${oid%$suffix} &&
if test -n "$oid"
then
echo "$oid"
else
echo "undefined-oid"
fi
}
# Format the output of git-push, git-show-ref and other commands to make a
# user-friendly and stable text. We can easily prepare the expect text
# without having to worry about future changes of the commit ID and spaces
# of the output.
make_user_friendly_and_stable_output () {
sed \
-e "s/$(get_abbrev_oid $A)[0-9a-f]*/<COMMIT-A>/g" \
-e "s/$(get_abbrev_oid $B)[0-9a-f]*/<COMMIT-B>/g" \
-e "s/$ZERO_OID/<ZERO-OID>/g" \
-e "s#To $URL_PREFIX/upstream.git#To <URL/of/upstream.git>#"
}
format_and_save_expect () {
sed -e 's/^> //' -e 's/Z$//' >expect
}
setup_upstream_and_workbench () {
# Upstream after setup : main(B) foo(A) bar(A) baz(A)
# Workbench after setup : main(A)
test_expect_success "setup upstream repository and workbench" '
rm -rf upstream.git workbench &&
git init --bare upstream.git &&
git init workbench &&
create_commits_in workbench A B &&
(
cd workbench &&
# Try to make a stable fixed width for abbreviated commit ID,
# this fixed-width oid will be replaced with "<OID>".
git config core.abbrev 7 &&
git remote add origin ../upstream.git &&
git update-ref refs/heads/main $A &&
git push origin \
$B:refs/heads/main \
$A:refs/heads/foo \
$A:refs/heads/bar \
$A:refs/heads/baz
) &&
git -C "workbench" config advice.pushUpdateRejected false &&
upstream=upstream.git
'
}
run_git_push_porcelain_output_test() {
case $1 in
http)
PROTOCOL="HTTP protocol"
URL_PREFIX="http://.*"
;;
file)
PROTOCOL="builtin protocol"
URL_PREFIX="\.\."
;;
esac
# Refs of upstream : main(B) foo(A) bar(A) baz(A)
# Refs of workbench: main(A) baz(A) next(A)
# git-push : main(A) NULL (B) baz(A) next(A)
test_expect_success "porcelain output of successful git-push ($PROTOCOL)" '
(
cd workbench &&
git update-ref refs/heads/main $A &&
git update-ref refs/heads/baz $A &&
git update-ref refs/heads/next $A &&
git push --porcelain --force origin \
main \
:refs/heads/foo \
$B:bar \
baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
> To <URL/of/upstream.git>
> = refs/heads/baz:refs/heads/baz [up to date]
> <COMMIT-B>:refs/heads/bar <COMMIT-A>..<COMMIT-B>
> - :refs/heads/foo [deleted]
> + refs/heads/main:refs/heads/main <COMMIT-B>...<COMMIT-A> (forced update)
> * refs/heads/next:refs/heads/next [new branch]
> Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-A> refs/heads/baz
<COMMIT-A> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
# Refs of upstream : main(A) bar(B) baz(A) next(A)
# Refs of workbench: main(B) bar(A) baz(A) next(A)
# git-push : main(B) bar(A) NULL next(A)
test_expect_success "atomic push failed ($PROTOCOL)" '
(
cd workbench &&
git update-ref refs/heads/main $B &&
git update-ref refs/heads/bar $A &&
test_must_fail git push --atomic --porcelain origin \
main \
bar \
:baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
To <URL/of/upstream.git>
> = refs/heads/next:refs/heads/next [up to date]
> ! refs/heads/bar:refs/heads/bar [rejected] (non-fast-forward)
> ! (delete):refs/heads/baz [rejected] (atomic push failed)
> ! refs/heads/main:refs/heads/main [rejected] (atomic push failed)
Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-A> refs/heads/baz
<COMMIT-A> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
test_expect_success "prepare pre-receive hook ($PROTOCOL)" '
test_hook --setup -C "$upstream" pre-receive <<-EOF
exit 1
EOF
'
# Refs of upstream : main(A) bar(B) baz(A) next(A)
# Refs of workbench: main(B) bar(A) baz(A) next(A)
# git-push : main(B) bar(A) NULL next(A)
test_expect_success "pre-receive hook declined ($PROTOCOL)" '
(
cd workbench &&
git update-ref refs/heads/main $B &&
git update-ref refs/heads/bar $A &&
test_must_fail git push --porcelain --force origin \
main \
bar \
:baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
To <URL/of/upstream.git>
> = refs/heads/next:refs/heads/next [up to date]
> ! refs/heads/bar:refs/heads/bar [remote rejected] (pre-receive hook declined)
> ! :refs/heads/baz [remote rejected] (pre-receive hook declined)
> ! refs/heads/main:refs/heads/main [remote rejected] (pre-receive hook declined)
Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-A> refs/heads/baz
<COMMIT-A> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
test_expect_success "remove pre-receive hook ($PROTOCOL)" '
rm "$upstream/hooks/pre-receive"
'
# Refs of upstream : main(A) bar(B) baz(A) next(A)
# Refs of workbench: main(B) bar(A) baz(A) next(A)
# git-push : main(B) bar(A) NULL next(A)
test_expect_success "non-fastforward push ($PROTOCOL)" '
(
cd workbench &&
test_must_fail git push --porcelain origin \
main \
bar \
:baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
To <URL/of/upstream.git>
> = refs/heads/next:refs/heads/next [up to date]
> - :refs/heads/baz [deleted]
> refs/heads/main:refs/heads/main <COMMIT-A>..<COMMIT-B>
> ! refs/heads/bar:refs/heads/bar [rejected] (non-fast-forward)
Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-B> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
}
# Initialize the upstream repository and local workbench.
setup_upstream_and_workbench
# Run git-push porcelain test on builtin protocol
run_git_push_porcelain_output_test file
ROOT_PATH="$PWD"
. "$TEST_DIRECTORY"/lib-gpg.sh
. "$TEST_DIRECTORY"/lib-httpd.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
start_httpd
# Re-initialize the upstream repository and local workbench.
setup_upstream_and_workbench
test_expect_success "setup for http" '
git -C upstream.git config http.receivepack true &&
upstream="$HTTPD_DOCUMENT_ROOT_PATH/upstream.git" &&
mv upstream.git "$upstream" &&
git -C workbench remote set-url origin $HTTPD_URL/smart/upstream.git
'
setup_askpass_helper
# Run git-push porcelain test on HTTP protocol
run_git_push_porcelain_output_test http
test_done
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