diff options
| -rw-r--r-- | builtin/submodule--helper.c | 49 | ||||
| -rw-r--r-- | submodule.c | 18 | ||||
| -rwxr-xr-x | t/t5531-deep-submodule-push.sh | 25 |
3 files changed, 79 insertions, 13 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 3a3c9ca72b..895555c93a 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -1108,9 +1108,28 @@ static int resolve_remote_submodule_branch(int argc, const char **argv, static int push_check(int argc, const char **argv, const char *prefix) { struct remote *remote; + const char *superproject_head; + char *head; + int detached_head = 0; + struct object_id head_oid; - if (argc < 2) - die("submodule--helper push-check requires at least 1 argument"); + if (argc < 3) + die("submodule--helper push-check requires at least 2 arguments"); + + /* + * superproject's resolved head ref. + * if HEAD then the superproject is in a detached head state, otherwise + * it will be the resolved head ref. + */ + superproject_head = argv[1]; + argv++; + argc--; + /* Get the submodule's head ref and determine if it is detached */ + head = resolve_refdup("HEAD", 0, head_oid.hash, NULL); + if (!head) + die(_("Failed to resolve HEAD as a valid ref.")); + if (!strcmp(head, "HEAD")) + detached_head = 1; /* * The remote must be configured. @@ -1133,18 +1152,30 @@ static int push_check(int argc, const char **argv, const char *prefix) if (rs->pattern || rs->matching) continue; - /* - * LHS must match a single ref - * NEEDSWORK: add logic to special case 'HEAD' once - * working with submodules in a detached head state - * ceases to be the norm. - */ - if (count_refspec_match(rs->src, local_refs, NULL) != 1) + /* LHS must match a single ref */ + switch (count_refspec_match(rs->src, local_refs, NULL)) { + case 1: + break; + case 0: + /* + * If LHS matches 'HEAD' then we need to ensure + * that it matches the same named branch + * checked out in the superproject. + */ + if (!strcmp(rs->src, "HEAD")) { + if (!detached_head && + !strcmp(head, superproject_head)) + break; + die("HEAD does not match the named branch in the superproject"); + } + default: die("src refspec '%s' must name a ref", rs->src); + } } free_refspec(refspec_nr, refspec); } + free(head); return 0; } diff --git a/submodule.c b/submodule.c index 6531c5d609..36f45f5a5a 100644 --- a/submodule.c +++ b/submodule.c @@ -1015,7 +1015,8 @@ static int push_submodule(const char *path, * Perform a check in the submodule to see if the remote and refspec work. * Die if the submodule can't be pushed. */ -static void submodule_push_check(const char *path, const struct remote *remote, +static void submodule_push_check(const char *path, const char *head, + const struct remote *remote, const char **refspec, int refspec_nr) { struct child_process cp = CHILD_PROCESS_INIT; @@ -1023,6 +1024,7 @@ static void submodule_push_check(const char *path, const struct remote *remote, argv_array_push(&cp.args, "submodule--helper"); argv_array_push(&cp.args, "push-check"); + argv_array_push(&cp.args, head); argv_array_push(&cp.args, remote->name); for (i = 0; i < refspec_nr; i++) @@ -1061,10 +1063,20 @@ int push_unpushed_submodules(struct oid_array *commits, * won't be propagated due to the remote being unconfigured (e.g. a URL * instead of a remote name). */ - if (remote->origin != REMOTE_UNCONFIGURED) + if (remote->origin != REMOTE_UNCONFIGURED) { + char *head; + struct object_id head_oid; + + head = resolve_refdup("HEAD", 0, head_oid.hash, NULL); + if (!head) + die(_("Failed to resolve HEAD as a valid ref.")); + for (i = 0; i < needs_pushing.nr; i++) submodule_push_check(needs_pushing.items[i].string, - remote, refspec, refspec_nr); + head, remote, + refspec, refspec_nr); + free(head); + } /* Actually push the submodules */ for (i = 0; i < needs_pushing.nr; i++) { diff --git a/t/t5531-deep-submodule-push.sh b/t/t5531-deep-submodule-push.sh index beff65b8ac..0f84a53146 100755 --- a/t/t5531-deep-submodule-push.sh +++ b/t/t5531-deep-submodule-push.sh @@ -533,7 +533,8 @@ test_expect_success 'push propagating refspec to a submodule' ' # Fails when refspec includes an object id test_must_fail git -C work push --recurse-submodules=on-demand origin \ "$(git -C work rev-parse branch2):refs/heads/branch2" && - # Fails when refspec includes 'HEAD' as it is unsupported at this time + # Fails when refspec includes HEAD and parent and submodule do not + # have the same named branch checked out test_must_fail git -C work push --recurse-submodules=on-demand origin \ HEAD:refs/heads/branch2 && @@ -548,4 +549,26 @@ test_expect_success 'push propagating refspec to a submodule' ' test_cmp expected_pub actual_pub ' +test_expect_success 'push propagating HEAD refspec to a submodule' ' + git -C work/gar/bage checkout branch2 && + > work/gar/bage/junk12 && + git -C work/gar/bage add junk12 && + git -C work/gar/bage commit -m "Twelfth junk" && + + git -C work checkout branch2 && + git -C work add gar/bage && + git -C work commit -m "updating gar/bage in branch2" && + + # Passes since the superproject and submodules HEAD are both on branch2 + git -C work push --recurse-submodules=on-demand origin \ + HEAD:refs/heads/branch2 && + + git -C submodule.git rev-parse branch2 >actual_submodule && + git -C pub.git rev-parse branch2 >actual_pub && + git -C work/gar/bage rev-parse branch2 >expected_submodule && + git -C work rev-parse branch2 >expected_pub && + test_cmp expected_submodule actual_submodule && + test_cmp expected_pub actual_pub +' + test_done |