send-pack: fix inconsistent porcelain output

index 0407841ae8..1835cd5582 100644 --- a/send-pack.c +++ b/send-pack.c @@ -190,10 +190,8 @@ static int receive_status(struct packet_reader *reader, struct ref *refs) if (reader->line[0] == 'o' && reader->line[1] == 'k') hint->status = REF_STATUS_OK; - else { + else hint->status = REF_STATUS_REMOTE_REJECT; - ret = -1; - } hint->remote_status = xstrdup_or_null(msg); /* start our next search from the next ref */ hint = hint->next; @@ -489,7 +487,8 @@ int send_pack(struct send_pack_args *args, if (use_atomic) { strbuf_release(&req_buf); strbuf_release(&cap_buf); - return atomic_push_failure(args, remote_refs, ref); + atomic_push_failure(args, remote_refs, ref); + return args->porcelain ? 0 : -1; } /* else fallthrough */ default:

index 645b4c78d3..a32efe2b6c 100755 --- a/t/t5504-fetch-receive-strict.sh +++ b/t/t5504-fetch-receive-strict.sh @@ -65,6 +65,7 @@ test_expect_success 'fetch with transfer.fsckobjects' ' cat >exp <<EOF To dst ! refs/heads/master:refs/heads/test [remote rejected] (missing necessary objects) +Done EOF test_expect_success 'push without strict' '

index 9ff041a093..9c6218f568 100755 --- a/t/t5516-fetch-push.sh +++ b/t/t5516-fetch-push.sh @@ -1066,6 +1066,7 @@ test_expect_success 'push --porcelain rejected' ' echo >.git/foo "To testrepo" && echo >>.git/foo "! refs/heads/master:refs/heads/master [remote rejected] (branch is currently checked out)" && + echo >>.git/foo "Done" && test_must_fail git push >.git/bar --porcelain testrepo refs/heads/master:refs/heads/master && test_cmp .git/foo .git/bar

new file mode 100755 index 0000000000..96ba449a38 --- /dev/null +++ b/t/t5548-push-porcelain.sh @@ -0,0 +1,280 @@ +#!/bin/sh +# +# Copyright (c) 2020 Jiang Xin +# +test_description='Test git push porcelain output' + +. ./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="$1" && + if ! parent=$(git -C "$repo" rev-parse HEAD^{} --) + then + parent= + fi && + T=$(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 $oid +} + +# Format the output of git-push, git-show-ref and other commands to make a +# user-friendly and stable text. We can easily prepare the expect text +# without having to worry about future changes of the commit ID and spaces +# of the output. +make_user_friendly_and_stable_output () { + sed \ + -e "s/ *\$//" \ + -e "s/ */ /g" \ + -e "s/ / /g" \ + -e "s/$A/<COMMIT-A>/g" \ + -e "s/$B/<COMMIT-B>/g" \ + -e "s/$ZERO_OID/<ZERO-OID>/g" \ + -e "s/$(echo $A | cut -c1-7)[0-9a-f]*/<OID-A>/g" \ + -e "s/$(echo $B | cut -c1-7)[0-9a-f]*/<OID-B>/g" \ + -e "s#To $URL_PREFIX/upstream.git#To <URL/of/upstream.git>#" +} + +setup_upstream_and_workbench () { + # Upstream after setup : master(B) foo(A) bar(A) baz(A) + # Workbench after setup : master(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/master $A && + git push origin \ + $B:refs/heads/master \ + $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 $1 in + http) + PROTOCOL="HTTP protocol" + URL_PREFIX="http://.*" + ;; + file) + PROTOCOL="builtin protocol" + URL_PREFIX="\.\." + ;; + esac + + # Refs of upstream : master(B) foo(A) bar(A) baz(A) + # Refs of workbench: master(A) baz(A) next(A) + # git-push : master(A) NULL (B) baz(A) next(A) + test_expect_success "porcelain output of successful git-push ($PROTOCOL)" ' + ( + cd workbench && + git update-ref refs/heads/master $A && + git update-ref refs/heads/baz $A && + git update-ref refs/heads/next $A && + git push --porcelain --force origin \ + master \ + :refs/heads/foo \ + $B:bar \ + baz \ + next + ) >out && + make_user_friendly_and_stable_output <out >actual && + cat >expect <<-EOF && + To <URL/of/upstream.git> + = refs/heads/baz:refs/heads/baz [up to date] + <COMMIT-B>:refs/heads/bar <OID-A>..<OID-B> + - :refs/heads/foo [deleted] + + refs/heads/master:refs/heads/master <OID-B>...<OID-A> (forced update) + * refs/heads/next:refs/heads/next [new branch] + Done + EOF + test_cmp expect actual && + + git -C "$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/master + <COMMIT-A> refs/heads/next + EOF + test_cmp expect actual + ' + + # Refs of upstream : master(A) bar(B) baz(A) next(A) + # Refs of workbench: master(B) bar(A) baz(A) next(A) + # git-push : master(B) bar(A) NULL next(A) + test_expect_success "atomic push failed ($PROTOCOL)" ' + ( + cd workbench && + git update-ref refs/heads/master $B && + git update-ref refs/heads/bar $A && + test_must_fail git push --atomic --porcelain origin \ + master \ + bar \ + :baz \ + next + ) >out && + make_user_friendly_and_stable_output <out >actual && + cat >expect <<-EOF && + To <URL/of/upstream.git> + ! refs/heads/bar:refs/heads/bar [rejected] (non-fast-forward) + ! (delete):refs/heads/baz [rejected] (atomic push failed) + ! refs/heads/master:refs/heads/master [rejected] (atomic push failed) + ! refs/heads/next:refs/heads/next [rejected] (atomic push failed) + Done + EOF + test_cmp expect actual && + + git -C "$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/master + <COMMIT-A> refs/heads/next + EOF + test_cmp expect actual + ' + + test_expect_success "prepare pre-receive hook ($PROTOCOL)" ' + write_script "$upstream/hooks/pre-receive" <<-EOF + exit 1 + EOF + ' + + # Refs of upstream : master(A) bar(B) baz(A) next(A) + # Refs of workbench: master(B) bar(A) baz(A) next(A) + # git-push : master(B) bar(A) NULL next(A) + test_expect_success "pre-receive hook declined ($PROTOCOL)" ' + ( + cd workbench && + git update-ref refs/heads/master $B && + git update-ref refs/heads/bar $A && + test_must_fail git push --porcelain --force origin \ + master \ + bar \ + :baz \ + next + ) >out && + make_user_friendly_and_stable_output <out >actual && + cat >expect <<-EOF && + To <URL/of/upstream.git> + = refs/heads/next:refs/heads/next [up to date] + ! refs/heads/bar:refs/heads/bar [remote rejected] (pre-receive hook declined) + ! :refs/heads/baz [remote rejected] (pre-receive hook declined) + ! refs/heads/master:refs/heads/master [remote rejected] (pre-receive hook declined) + Done + EOF + test_cmp expect actual && + + git -C "$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/master + <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 : master(A) bar(B) baz(A) next(A) + # Refs of workbench: master(B) bar(A) baz(A) next(A) + # git-push : master(B) bar(A) NULL next(A) + test_expect_success "non-fastforward push ($PROTOCOL)" ' + ( + cd workbench && + test_must_fail git push --porcelain origin \ + master \ + bar \ + :baz \ + next + ) >out && + make_user_friendly_and_stable_output <out >actual && + cat >expect <<-EOF && + To <URL/of/upstream.git> + = refs/heads/next:refs/heads/next [up to date] + - :refs/heads/baz [deleted] + refs/heads/master:refs/heads/master <OID-A>..<OID-B> + ! refs/heads/bar:refs/heads/bar [rejected] (non-fast-forward) + Done + EOF + test_cmp expect actual && + + git -C "$upstream" show-ref >out && + make_user_friendly_and_stable_output <out >actual && + cat >expect <<-EOF && + <COMMIT-B> refs/heads/bar + <COMMIT-B> refs/heads/master + <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

index 1fdc7dac1a..13d638d5fe 100644 --- a/transport.c +++ b/transport.c @@ -715,7 +715,15 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re close(data->fd[1]); close(data->fd[0]); - ret |= finish_connect(data->conn); + /* + * Atomic push may abort the connection early and close the pipe, + * which may cause an error for `finish_connect()`. Ignore this error + * for atomic git-push. + */ + if (ret || args.atomic) + finish_connect(data->conn); + else + ret = finish_connect(data->conn); data->conn = NULL; data->got_remote_heads = 0;