static int is_submodule_commit_present(const char *path, unsigned char sha1[20]) { int is_present = 0; if (!add_submodule_odb(path) && lookup_commit_reference(sha1)) { /* Even if the submodule is checked out and the commit is * present, make sure it is reachable from a ref. */ struct child_process cp; const char *argv[] = {"rev-list", "-n", "1", NULL, "--not", "--all", NULL}; struct strbuf buf = STRBUF_INIT; argv[3] = sha1_to_hex(sha1); memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; cp.no_stdin = 1; cp.out = -1; cp.dir = path; if (!run_command(&cp) && !strbuf_read(&buf, cp.out, 1024)) is_present = 1; close(cp.out); strbuf_release(&buf); } return is_present; }
static int submodule_needs_pushing(const char *path, const unsigned char sha1[20]) { if (add_submodule_odb(path) || !lookup_commit_reference(sha1)) return 0; if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { struct child_process cp; const char *argv[] = {"rev-list", NULL, "--not", "--remotes", "-n", "1" , NULL}; struct strbuf buf = STRBUF_INIT; int needs_pushing = 0; argv[1] = sha1_to_hex(sha1); memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; cp.no_stdin = 1; cp.out = -1; cp.dir = path; if (start_command(&cp)) die("Could not run 'git rev-list %s --not --remotes -n 1' command in submodule %s", sha1_to_hex(sha1), path); if (strbuf_read(&buf, cp.out, 41)) needs_pushing = 1; finish_command(&cp); close(cp.out); strbuf_release(&buf); return needs_pushing; } return 0; }
void show_submodule_summary(FILE *f, const char *path, const char *line_prefix, unsigned char one[20], unsigned char two[20], unsigned dirty_submodule, const char *meta, const char *del, const char *add, const char *reset) { struct rev_info rev; struct commit *left = NULL, *right = NULL; const char *message = NULL; struct strbuf sb = STRBUF_INIT; int fast_forward = 0, fast_backward = 0; if (is_null_sha1(two)) message = "(submodule deleted)"; else if (add_submodule_odb(path)) message = "(not checked out)"; else if (is_null_sha1(one)) message = "(new submodule)"; else if (!(left = lookup_commit_reference(one)) || !(right = lookup_commit_reference(two))) message = "(commits not present)"; else if (prepare_submodule_summary(&rev, path, left, right, &fast_forward, &fast_backward)) message = "(revision walker failed)"; if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) fprintf(f, "%sSubmodule %s contains untracked content\n", line_prefix, path); if (dirty_submodule & DIRTY_SUBMODULE_MODIFIED) fprintf(f, "%sSubmodule %s contains modified content\n", line_prefix, path); if (!hashcmp(one, two)) { strbuf_release(&sb); return; } strbuf_addf(&sb, "%s%sSubmodule %s %s..", line_prefix, meta, path, find_unique_abbrev(one, DEFAULT_ABBREV)); if (!fast_backward && !fast_forward) strbuf_addch(&sb, '.'); strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV)); if (message) strbuf_addf(&sb, " %s%s\n", message, reset); else strbuf_addf(&sb, "%s:%s\n", fast_backward ? " (rewind)" : "", reset); fwrite(sb.buf, sb.len, 1, f); if (!message) /* only NULL if we succeeded in setting up the walk */ print_submodule_summary(&rev, f, line_prefix, del, add, reset); if (left) clear_commit_marks(left, ~0); if (right) clear_commit_marks(right, ~0); strbuf_release(&sb); }
static int push_submodule(const char *path) { if (add_submodule_odb(path)) return 1; if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = {"push", NULL}; cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; cp.no_stdin = 1; cp.dir = path; if (run_command(&cp)) return 0; close(cp.out); } return 1; }
static int is_submodule_commit_present(const char *path, unsigned char sha1[20]) { int is_present = 0; if (!add_submodule_odb(path) && lookup_commit_reference(sha1)) { /* Even if the submodule is checked out and the commit is * present, make sure it is reachable from a ref. */ struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = {"rev-list", "-n", "1", NULL, "--not", "--all", NULL}; struct strbuf buf = STRBUF_INIT; argv[3] = sha1_to_hex(sha1); cp.argv = argv; prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; cp.no_stdin = 1; cp.dir = path; if (!capture_command(&cp, &buf, 1024) && !buf.len) is_present = 1; strbuf_release(&buf); } return is_present; }
int merge_submodule(unsigned char result[20], const char *path, const unsigned char base[20], const unsigned char a[20], const unsigned char b[20]) { struct commit *commit_base, *commit_a, *commit_b; int parent_count; struct object_array merges; int i; /* store a in result in case we fail */ hashcpy(result, a); /* we can not handle deletion conflicts */ if (is_null_sha1(base)) return 0; if (is_null_sha1(a)) return 0; if (is_null_sha1(b)) return 0; if (add_submodule_odb(path)) { MERGE_WARNING(path, "not checked out"); return 0; } if (!(commit_base = lookup_commit_reference(base)) || !(commit_a = lookup_commit_reference(a)) || !(commit_b = lookup_commit_reference(b))) { MERGE_WARNING(path, "commits not present"); return 0; } /* check whether both changes are forward */ if (!in_merge_bases(commit_base, &commit_a, 1) || !in_merge_bases(commit_base, &commit_b, 1)) { MERGE_WARNING(path, "commits don't follow merge-base"); return 0; } /* Case #1: a is contained in b or vice versa */ if (in_merge_bases(commit_a, &commit_b, 1)) { hashcpy(result, b); return 1; } if (in_merge_bases(commit_b, &commit_a, 1)) { hashcpy(result, a); return 1; } /* * Case #2: There are one or more merges that contain a and b in * the submodule. If there is only one, then present it as a * suggestion to the user, but leave it marked unmerged so the * user needs to confirm the resolution. */ /* find commit which merges them */ parent_count = find_first_merges(&merges, path, commit_a, commit_b); switch (parent_count) { case 0: MERGE_WARNING(path, "merge following commits not found"); break; case 1: MERGE_WARNING(path, "not fast-forward"); fprintf(stderr, "Found a possible merge resolution " "for the submodule:\n"); print_commit((struct commit *) merges.objects[0].item); fprintf(stderr, "If this is correct simply add it to the index " "for example\n" "by using:\n\n" " git update-index --cacheinfo 160000 %s \"%s\"\n\n" "which will accept this suggestion.\n", sha1_to_hex(merges.objects[0].item->sha1), path); break; default: MERGE_WARNING(path, "multiple merges found"); for (i = 0; i < merges.nr; i++) print_commit((struct commit *) merges.objects[i].item); } free(merges.objects); return 0; }
void show_submodule_summary(FILE *f, const char *path, unsigned char one[20], unsigned char two[20], unsigned dirty_submodule, const char *del, const char *add, const char *reset) { struct rev_info rev; struct commit *commit, *left = left, *right = right; struct commit_list *merge_bases, *list; const char *message = NULL; struct strbuf sb = STRBUF_INIT; static const char *format = " %m %s"; int fast_forward = 0, fast_backward = 0; if (is_null_sha1(two)) message = "(submodule deleted)"; else if (add_submodule_odb(path)) message = "(not checked out)"; else if (is_null_sha1(one)) message = "(new submodule)"; else if (!(left = lookup_commit_reference(one)) || !(right = lookup_commit_reference(two))) message = "(commits not present)"; if (!message) { init_revisions(&rev, NULL); setup_revisions(0, NULL, &rev, NULL); rev.left_right = 1; rev.first_parent_only = 1; left->object.flags |= SYMMETRIC_LEFT; add_pending_object(&rev, &left->object, path); add_pending_object(&rev, &right->object, path); merge_bases = get_merge_bases(left, right, 1); if (merge_bases) { if (merge_bases->item == left) fast_forward = 1; else if (merge_bases->item == right) fast_backward = 1; } for (list = merge_bases; list; list = list->next) { list->item->object.flags |= UNINTERESTING; add_pending_object(&rev, &list->item->object, sha1_to_hex(list->item->object.sha1)); } if (prepare_revision_walk(&rev)) message = "(revision walker failed)"; } strbuf_addf(&sb, "Submodule %s %s..", path, find_unique_abbrev(one, DEFAULT_ABBREV)); if (!fast_backward && !fast_forward) strbuf_addch(&sb, '.'); strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV)); if (dirty_submodule) strbuf_add(&sb, "-dirty", 6); if (message) strbuf_addf(&sb, " %s\n", message); else strbuf_addf(&sb, "%s:\n", fast_backward ? " (rewind)" : ""); fwrite(sb.buf, sb.len, 1, f); if (!message) { while ((commit = get_revision(&rev))) { struct pretty_print_context ctx = {0}; ctx.date_mode = rev.date_mode; strbuf_setlen(&sb, 0); if (commit->object.flags & SYMMETRIC_LEFT) { if (del) strbuf_addstr(&sb, del); } else if (add) strbuf_addstr(&sb, add); format_commit_message(commit, format, &sb, &ctx); if (reset) strbuf_addstr(&sb, reset); strbuf_addch(&sb, '\n'); fprintf(f, "%s", sb.buf); } clear_commit_marks(left, ~0); clear_commit_marks(right, ~0); } strbuf_release(&sb); }