receive-pack: feed report options to post-receive

When commands are fed to the "post-receive" hook, report options will
be parsed and the real old-oid, new-oid, reference name will feed to
the "post-receive" hook.

Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/receive-pack.c

@@ -694,6 +694,7 @@ static void prepare_push_cert_sha1(struct child_process *proc)
 
 struct receive_hook_feed_state {
 	struct command *cmd;
+	struct ref_push_report *report;
 	int skip_broken;
 	struct strbuf buf;
 	const struct string_list *push_options;
@@ -781,11 +782,31 @@ static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep)
 		cmd = cmd->next;
 	if (!cmd)
 		return -1; /* EOF */
+	if (!bufp)
+		return 0; /* OK, can feed something. */
 	strbuf_reset(&state->buf);
-	strbuf_addf(&state->buf, "%s %s %s\n",
+	if (!state->report)
-		    oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid),
+		state->report = cmd->report;
-		    cmd->ref_name);
+	if (state->report) {
-	state->cmd = cmd->next;
+		struct object_id *old_oid;
+		struct object_id *new_oid;
+		const char *ref_name;
+
+		old_oid = state->report->old_oid ? state->report->old_oid : &cmd->old_oid;
+		new_oid = state->report->new_oid ? state->report->new_oid : &cmd->new_oid;
+		ref_name = state->report->ref_name ? state->report->ref_name : cmd->ref_name;
+		strbuf_addf(&state->buf, "%s %s %s\n",
+			    oid_to_hex(old_oid), oid_to_hex(new_oid),
+			    ref_name);
+		state->report = state->report->next;
+		if (!state->report)
+			state->cmd = cmd->next;
+	} else {
+		strbuf_addf(&state->buf, "%s %s %s\n",
+			    oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid),
+			    cmd->ref_name);
+		state->cmd = cmd->next;
+	}
 	if (bufp) {
 		*bufp = state->buf.buf;
 		*sizep = state->buf.len;
@@ -804,6 +825,7 @@ static int run_receive_hook(struct command *commands,
 	strbuf_init(&state.buf, 0);
 	state.cmd = commands;
 	state.skip_broken = skip_broken;
+	state.report = NULL;
 	if (feed_receive_hook(&state, NULL, NULL))
 		return 0;
 	state.cmd = commands;

t/t5411/test-0032-report-with-options.sh

@@ -54,7 +54,7 @@ test_expect_success "proc-receive: report option refname ($PROTOCOL)" '
 	remote: proc-receive> ok refs/for/master/topic
 	remote: proc-receive> option refname refs/pull/123/head
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/pull/123/head
 	To <URL/of/upstream.git>
 	 * [new reference] HEAD -> refs/for/master/topic
 	EOF
@@ -87,7 +87,7 @@ test_expect_success "proc-receive: report option refname and forced-update ($PRO
 	remote: proc-receive> option refname refs/pull/123/head
 	remote: proc-receive> option forced-update
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/pull/123/head
 	To <URL/of/upstream.git>
 	 * [new reference] HEAD -> refs/for/master/topic
 	EOF
@@ -121,7 +121,7 @@ test_expect_success "proc-receive: report option refname and old-oid ($PROTOCOL)
 	remote: proc-receive> option refname refs/pull/123/head
 	remote: proc-receive> option old-oid <COMMIT-B>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/pull/123/head
 	To <URL/of/upstream.git>
 	 * [new reference] HEAD -> refs/for/master/topic
 	EOF
@@ -153,7 +153,7 @@ test_expect_success "proc-receive: report option old-oid ($PROTOCOL)" '
 	remote: proc-receive> ok refs/for/master/topic
 	remote: proc-receive> option old-oid <COMMIT-B>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/for/master/topic
 	To <URL/of/upstream.git>
 	 * [new reference] HEAD -> refs/for/master/topic
 	EOF
@@ -187,7 +187,7 @@ test_expect_success "proc-receive: report option old-oid and new-oid ($PROTOCOL)
 	remote: proc-receive> option old-oid <COMMIT-A>
 	remote: proc-receive> option new-oid <COMMIT-B>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-A> <COMMIT-B> refs/for/master/topic
 	To <URL/of/upstream.git>
 	 * [new reference] HEAD -> refs/for/master/topic
 	EOF
@@ -237,9 +237,9 @@ test_expect_success "proc-receive: report with multiple rewrites ($PROTOCOL)" '
 	remote: proc-receive> option forced-update
 	remote: proc-receive> option new-oid <COMMIT-A>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/next/topic
+	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/pull/123/head
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/a/b/c/topic
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/pull/124/head
 	To <URL/of/upstream.git>
 	 * [new reference] HEAD -> refs/for/next/topic
 	 * [new reference] HEAD -> refs/for/a/b/c/topic

t/t5411/test-0033-report-with-options--porcelain.sh

@@ -55,7 +55,7 @@ test_expect_success "proc-receive: report option refname ($PROTOCOL/porcelain)"
 	remote: proc-receive> ok refs/for/master/topic
 	remote: proc-receive> option refname refs/pull/123/head
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/pull/123/head
 	To <URL/of/upstream.git>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -90,7 +90,7 @@ test_expect_success "proc-receive: report option refname and forced-update ($PRO
 	remote: proc-receive> option refname refs/pull/123/head
 	remote: proc-receive> option forced-update
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/pull/123/head
 	To <URL/of/upstream.git>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -125,7 +125,7 @@ test_expect_success "proc-receive: report option refname and old-oid ($PROTOCOL/
 	remote: proc-receive> option refname refs/pull/123/head
 	remote: proc-receive> option old-oid <COMMIT-B>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/pull/123/head
 	To <URL/of/upstream.git>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -158,7 +158,7 @@ test_expect_success "proc-receive: report option old-oid ($PROTOCOL/porcelain)"
 	remote: proc-receive> ok refs/for/master/topic
 	remote: proc-receive> option old-oid <COMMIT-B>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/for/master/topic
 	To <URL/of/upstream.git>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -193,7 +193,7 @@ test_expect_success "proc-receive: report option old-oid and new-oid ($PROTOCOL/
 	remote: proc-receive> option old-oid <COMMIT-A>
 	remote: proc-receive> option new-oid <COMMIT-B>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-A> <COMMIT-B> refs/for/master/topic
 	To <URL/of/upstream.git>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -245,9 +245,9 @@ test_expect_success "proc-receive: report with multiple rewrites ($PROTOCOL/porc
 	remote: proc-receive> option forced-update
 	remote: proc-receive> option new-oid <COMMIT-A>
 	remote: # post-receive hook
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/next/topic
+	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/pull/123/head
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/a/b/c/topic
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-B> <COMMIT-A> refs/pull/124/head
 	To <URL/of/upstream.git>
 	*    HEAD:refs/for/next/topic    [new reference]
 	*    HEAD:refs/for/a/b/c/topic    [new reference]

t/t5411/test-0036-report-multi-rewrite-for-one-ref.sh

@@ -41,7 +41,9 @@ test_expect_success "proc-receive: multiple rewrite for one ref, no refname for
 	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/for/master/topic
+	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>
 	 * [new reference] HEAD -> refs/for/master/topic
 	EOF
@@ -99,7 +101,9 @@ test_expect_success "proc-receive: multiple rewrites for one ref, no refname for
 	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/for/master/topic
+	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/for/master/topic
 	EOF
@@ -145,7 +149,8 @@ test_expect_success "proc-receive: multiple rewrites for one ref ($PROTOCOL)" '
 	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/for/master/topic
+	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/for/master/topic
 	EOF

t/t5411/test-0037-report-multi-rewrite-for-one-ref--porcelain.sh

@@ -41,7 +41,9 @@ test_expect_success "proc-receive: multiple rewrite for one ref, no refname for
 	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/for/master/topic
+	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>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -100,7 +102,9 @@ test_expect_success "proc-receive: multiple rewrites for one ref, no refname for
 	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/for/master/topic
+	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>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done
@@ -147,7 +151,8 @@ test_expect_success "proc-receive: multiple rewrites for one ref ($PROTOCOL/porc
 	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/for/master/topic
+	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>
 	*    HEAD:refs/for/master/topic    [new reference]
 	Done

t/t5411/test-0038-report-mixed-refs.sh

@@ -53,7 +53,7 @@ test_expect_success "proc-receive: report update of mixed refs ($PROTOCOL)" '
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/heads/baz
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/next/topic2
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/heads/foo
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-A> <COMMIT-B> refs/for/master/topic
 	To <URL/of/upstream.git>
 	 <OID-A>..<OID-B> <COMMIT-B> -> master
 	 * [new branch] HEAD -> bar

t/t5411/test-0039-report-mixed-refs--porcelain.sh

@@ -53,7 +53,7 @@ test_expect_success "proc-receive: report update of mixed refs ($PROTOCOL/porcel
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/heads/baz
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/next/topic2
 	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/heads/foo
-	remote: post-receive< <ZERO-OID> <COMMIT-A> refs/for/master/topic
+	remote: post-receive< <COMMIT-A> <COMMIT-B> refs/for/master/topic
 	To <URL/of/upstream.git>
 	     <COMMIT-B>:refs/heads/master    <OID-A>..<OID-B>
 	*    HEAD:refs/heads/bar    [new branch]