git-commit-vandalism/t/t5411/test-0036-report-multi-rewrite-for-one-ref.sh
Jiang Xin 63518a574a New capability "report-status-v2" for git-push
The new introduced "proc-receive" hook may handle a command for a
pseudo-reference with a zero-old as its old-oid, while the hook may
create or update a reference with different name, different new-oid,
and different old-oid (the reference may exist already with a non-zero
old-oid).  Current "report-status" protocol cannot report the status for
such reference rewrite.

Add new capability "report-status-v2" and new report protocol which is
not backward compatible for report of git-push.

If a user pushes to a pseudo-reference "refs/for/master/topic", and
"receive-pack" creates two new references "refs/changes/23/123/1" and
"refs/changes/24/124/1", for client without the knowledge of
"report-status-v2", "receive-pack" will only send "ok/ng" directives in
the report, such as:

    ok ref/for/master/topic

But for client which has the knowledge of "report-status-v2",
"receive-pack" will use "option" directives to report more attributes
for the reference given by the above "ok/ng" directive.

    ok refs/for/master/topic
    option refname refs/changes/23/123/1
    option new-oid <new-oid>
    ok refs/for/master/topic
    option refname refs/changes/24/124/1
    option new-oid <new-oid>

The client will report two new created references to the end user.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-27 12:47:47 -07:00

170 lines
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test_expect_success "setup proc-receive hook (multiple rewrites for one ref, no refname for the 1st rewrite, $PROTOCOL)" '
write_script "$upstream/hooks/proc-receive" <<-EOF
printf >&2 "# proc-receive hook\n"
test-tool proc-receive -v \
-r "ok refs/for/master/topic" \
-r "option old-oid $A" \
-r "option new-oid $B" \
-r "ok refs/for/master/topic" \
-r "option refname refs/changes/24/124/1" \
-r "option old-oid $ZERO_OID" \
-r "option new-oid $A" \
-r "ok refs/for/master/topic" \
-r "option refname refs/changes/25/125/1" \
-r "option old-oid $A" \
-r "option new-oid $B"
EOF
'
# Refs of upstream : master(A)
# Refs of workbench: master(A) tags/v123
# git push : refs/for/master/topic(A)
test_expect_success "proc-receive: multiple rewrite for one ref, no refname for the 1st rewrite ($PROTOCOL)" '
git -C workbench push origin \
HEAD:refs/for/master/topic \
>out 2>&1 &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
remote: # pre-receive hook
remote: pre-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
remote: # proc-receive hook
remote: proc-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option old-oid <COMMIT-A>
remote: proc-receive> option new-oid <COMMIT-B>
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option refname refs/changes/24/124/1
remote: proc-receive> option old-oid <ZERO-OID>
remote: proc-receive> option new-oid <COMMIT-A>
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option refname refs/changes/25/125/1
remote: proc-receive> option old-oid <COMMIT-A>
remote: proc-receive> option new-oid <COMMIT-B>
remote: # post-receive hook
remote: post-receive< <COMMIT-A> <COMMIT-B> refs/for/master/topic
remote: post-receive< <ZERO-OID> <COMMIT-A> refs/changes/24/124/1
remote: post-receive< <COMMIT-A> <COMMIT-B> refs/changes/25/125/1
To <URL/of/upstream.git>
<OID-A>..<OID-B> HEAD -> refs/for/master/topic
* [new reference] HEAD -> refs/changes/24/124/1
<OID-A>..<OID-B> HEAD -> refs/changes/25/125/1
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-A> refs/heads/master
EOF
test_cmp expect actual
'
test_expect_success "setup proc-receive hook (multiple rewrites for one ref, no refname for the 2nd rewrite, $PROTOCOL)" '
write_script "$upstream/hooks/proc-receive" <<-EOF
printf >&2 "# proc-receive hook\n"
test-tool proc-receive -v \
-r "ok refs/for/master/topic" \
-r "option refname refs/changes/24/124/1" \
-r "option old-oid $ZERO_OID" \
-r "option new-oid $A" \
-r "ok refs/for/master/topic" \
-r "option old-oid $A" \
-r "option new-oid $B" \
-r "ok refs/for/master/topic" \
-r "option refname refs/changes/25/125/1" \
-r "option old-oid $B" \
-r "option new-oid $A" \
-r "option forced-update"
EOF
'
# Refs of upstream : master(A)
# Refs of workbench: master(A) tags/v123
# git push : refs/for/master/topic(A)
test_expect_success "proc-receive: multiple rewrites for one ref, no refname for the 2nd rewrite ($PROTOCOL)" '
git -C workbench push origin \
HEAD:refs/for/master/topic \
>out 2>&1 &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
remote: # pre-receive hook
remote: pre-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
remote: # proc-receive hook
remote: proc-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option refname refs/changes/24/124/1
remote: proc-receive> option old-oid <ZERO-OID>
remote: proc-receive> option new-oid <COMMIT-A>
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option old-oid <COMMIT-A>
remote: proc-receive> option new-oid <COMMIT-B>
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option refname refs/changes/25/125/1
remote: proc-receive> option old-oid <COMMIT-B>
remote: proc-receive> option new-oid <COMMIT-A>
remote: proc-receive> option forced-update
remote: # post-receive hook
remote: post-receive< <ZERO-OID> <COMMIT-A> refs/changes/24/124/1
remote: post-receive< <COMMIT-A> <COMMIT-B> refs/for/master/topic
remote: post-receive< <COMMIT-B> <COMMIT-A> refs/changes/25/125/1
To <URL/of/upstream.git>
* [new reference] HEAD -> refs/changes/24/124/1
<OID-A>..<OID-B> HEAD -> refs/for/master/topic
+ <OID-B>...<OID-A> HEAD -> refs/changes/25/125/1 (forced update)
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-A> refs/heads/master
EOF
test_cmp expect actual
'
test_expect_success "setup proc-receive hook (multiple rewrites for one ref, $PROTOCOL)" '
write_script "$upstream/hooks/proc-receive" <<-EOF
printf >&2 "# proc-receive hook\n"
test-tool proc-receive -v \
-r "ok refs/for/master/topic" \
-r "option refname refs/changes/23/123/1" \
-r "ok refs/for/master/topic" \
-r "option refname refs/changes/24/124/2" \
-r "option old-oid $A" \
-r "option new-oid $B"
EOF
'
# Refs of upstream : master(A)
# Refs of workbench: master(A) tags/v123
# git push : refs/for/master/topic(A)
test_expect_success "proc-receive: multiple rewrites for one ref ($PROTOCOL)" '
git -C workbench push origin \
HEAD:refs/for/master/topic \
>out 2>&1 &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
remote: # pre-receive hook
remote: pre-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
remote: # proc-receive hook
remote: proc-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option refname refs/changes/23/123/1
remote: proc-receive> ok refs/for/master/topic
remote: proc-receive> option refname refs/changes/24/124/2
remote: proc-receive> option old-oid <COMMIT-A>
remote: proc-receive> option new-oid <COMMIT-B>
remote: # post-receive hook
remote: post-receive< <ZERO-OID> <COMMIT-A> refs/changes/23/123/1
remote: post-receive< <COMMIT-A> <COMMIT-B> refs/changes/24/124/2
To <URL/of/upstream.git>
* [new reference] HEAD -> refs/changes/23/123/1
<OID-A>..<OID-B> HEAD -> refs/changes/24/124/2
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-A> refs/heads/master
EOF
test_cmp expect actual
'