push: fix ref status reporting for --force-with-lease

The --force--with-lease push option leads to less detailed status information than --force. In particular, the output indicates that a reference was fast-forwarded, even when it was force-updated. Modify the --force-with-lease ref status logic to leverage the --force ref status logic when the "lease" conditions are met. Also, enhance tests to validate output status reporting. Signed-off-by: Andrew Wheeler <awheeler@motorola.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Andrew Wheeler committed Jan 29, 2016 at 17:18 UTC b2e93f88cb94f487650beb93ff87ceb7ab68a0ed
2 files changed +18 -12
remote.c
+8 -7
@@ -1545,11 +1545,8 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
1545 }
1546
1547 /*
1548 - * Bypass the usual "must fast-forward" check but
1549 - * replace it with a weaker "the old value must be
1550 - * this value we observed". If the remote ref has
1551 - * moved and is now different from what we expect,
1552 - * reject any push.
1548 + * If the remote ref has moved and is now different
1549 + * from what we expect, reject any push.
1550 *
1551 * It also is an error if the user told us to check
1552 * with the remote-tracking branch to find the value
@@ -1560,10 +1557,14 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
1557 if (ref->expect_old_no_trackback ||
1558 oidcmp(&ref->old_oid, &ref->old_oid_expect))
1559 reject_reason = REF_STATUS_REJECT_STALE;
1560 + else
1561 + /* If the ref isn't stale then force the update. */
1562 + force_ref_update = 1;
1563 }
1564
1565 /*
1566 - * The usual "must fast-forward" rules.
1566 + * If the update isn't already rejected then check
1567 + * the usual "must fast-forward" rules.
1568 *
1569 * Decide whether an individual refspec A:B can be
1570 * pushed. The push will succeed if any of the
@@ -1582,7 +1583,7 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
1583 * passing the --force argument
1584 */
1585
1585 - else if (!ref->deletion && !is_null_oid(&ref->old_oid)) {
1586 + if (!reject_reason && !ref->deletion && !is_null_oid(&ref->old_oid)) {
1587 if (starts_with(ref->name, "refs/tags/"))
1588 reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
1589 else if (!has_object_file(&ref->old_oid))
t/t5533-push-cas.sh
+10 -5
@@ -25,7 +25,8 @@ test_expect_success 'push to update (protected)' '
25 (
26 cd dst &&
27 test_commit D &&
28 - test_must_fail git push --force-with-lease=master:master origin master
28 + test_must_fail git push --force-with-lease=master:master origin master 2>err &&
29 + grep "stale info" err
30 ) &&
31 git ls-remote . refs/heads/master >expect &&
32 git ls-remote src refs/heads/master >actual &&
@@ -37,7 +38,8 @@ test_expect_success 'push to update (protected, forced)' '
38 (
39 cd dst &&
40 test_commit D &&
40 - git push --force --force-with-lease=master:master origin master
41 + git push --force --force-with-lease=master:master origin master 2>err &&
42 + grep "forced update" err
43 ) &&
44 git ls-remote dst refs/heads/master >expect &&
45 git ls-remote src refs/heads/master >actual &&
@@ -101,7 +103,8 @@ test_expect_success 'push to update (allowed, tracking)' '
103 (
104 cd dst &&
105 test_commit D &&
104 - git push --force-with-lease=master origin master
106 + git push --force-with-lease=master origin master 2>err &&
107 + ! grep "forced update" err
108 ) &&
109 git ls-remote dst refs/heads/master >expect &&
110 git ls-remote src refs/heads/master >actual &&
@@ -114,7 +117,8 @@ test_expect_success 'push to update (allowed even though no-ff)' '
117 cd dst &&
118 git reset --hard HEAD^ &&
119 test_commit D &&
117 - git push --force-with-lease=master origin master
120 + git push --force-with-lease=master origin master 2>err &&
121 + grep "forced update" err
122 ) &&
123 git ls-remote dst refs/heads/master >expect &&
124 git ls-remote src refs/heads/master >actual &&
@@ -147,7 +151,8 @@ test_expect_success 'push to delete (allowed)' '
151 setup_srcdst_basic &&
152 (
153 cd dst &&
150 - git push --force-with-lease=master origin :master
154 + git push --force-with-lease=master origin :master 2>err &&
155 + grep deleted err
156 ) &&
157 >expect &&
158 git ls-remote src refs/heads/master >actual &&