╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ patch.zig ────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭fc4518f2..╮ fc4518f2.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (502) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. admin.zig ╭─────────────────────────────────╮ │patch.zig │ ╰─────────────────────────────────╯
654 // 655 // merge the competing patch revisions 656 // 657 658 { 659 try evt.mergeEvents(.xit, repo_opts, io, allocator, &target, side_events_ref); 660 try evt.consume(.local, .repo, .xit, repo_opts, io, allocator, &target, evt.events_ref, &.{}); 661 } 662 663 // 664 // check the selected revision and conflict 665 // 666 667 _ = arena.reset(.retain_capacity); 668 const merged_moment = try evt.currentMoment(repo_opts, &target); 669 const merged = (try evt.Patch.readById(Repo.DB, repo_opts.hash, merged_moment, &arena, &patch_id)) orelse return error.NotFound; 670 try std.testing.expectEqualStrings(&std.fmt.bytesToHex(patchrev_a_id, .lower), &(merged.event.revision orelse return error.NotFound).id); 671 const merged_patchrev = (try evt.PatchRev.readById(Repo.DB, repo_opts.hash, merged_moment, &arena, &patchrev_a_id)) orelse return error.NotFound; 672 try std.testing.expectEqualStrings(&source_a_oid, merged_patchrev.event.source_oid); 673 try std.testing.expectEqualStrings(&source_a_tree, merged_patchrev.head_tree_oid); 674 675 const conflicts_cursor = try merged_moment.getCursor(hash.hashInt(repo_opts.hash, evt.Patch.conflicts_key)) orelse return error.NotFound; 676 const conflicts = try Repo.DB.SortedMap(.read_only).init(conflicts_cursor); 677 const conflict_cursor = try conflicts.getCursor(&evt.orderKeyDesc(merged.created_order, &patch_id)) orelse return error.NotFound; 678 const conflict = try Repo.DB.HashMap(.read_only).init(conflict_cursor); 679 const fields_cursor = try conflict.getCursor(hash.hashInt(repo_opts.hash, evt.conflicted_fields_key)) orelse return error.NotFound; 680 try std.testing.expectEqualStrings("revision status", try fields_cursor.readBytesAlloc(arena.allocator(), null)); 681 const their_cursor = try conflict.getCursor(hash.hashInt(repo_opts.hash, evt.their_record_key)) orelse return error.NotFound; 682 const theirs = try evt.read(evt.Patch.Record, Repo.DB, repo_opts.hash, &arena, try Repo.DB.HashMap(.read_only).init(their_cursor)); 683 try std.testing.expectEqualStrings(&std.fmt.bytesToHex(patchrev_b_id, .lower), &(theirs.event.revision orelse return error.NotFound).id); 684 685 // 686 // create a patch stacked on the selected revision 687 // 688 689 const child_patchrev_id = evt.EventWithId.randomId(prng.random()); 690 const child_id = evt.EventWithId.randomId(prng.random()); 691 const child_entries = [_]evt.EventTreeEntry{ 692 .{ .tree = .{ .name = "base", .oid = merged_patchrev.head_tree_oid } }, 693 .{ .tree = .{ .name = "head", .oid = &source_b_tree } }, 694 }; 695 { 696 try consumePatchWithRevision(.repo, io, allocator, &target, evt.events_ref, child_patchrev_id, .{ 697 .base_oid = merged_patchrev.patch_oid, 698 .source_oid = &source_b_oid, 699 .message = "stack another answer change", 700 }, &child_entries, 12, child_id, .{ 701 .title = "stack another answer change", 702 .description = "depends on the first patch", 703 .tags = "enhancement", 704 .target_branch = "master", 705 .target_patch_id = std.fmt.bytesToHex(patch_id, .lower), 706 }, 13); 707 } 708 709 // 710 // check the squash commit and reverse index 711 // 712 713 _ = arena.reset(.retain_capacity); 714 const stacked_moment = try evt.currentMoment(repo_opts, &target); 715 const child = (try evt.Patch.readById(Repo.DB, repo_opts.hash, stacked_moment, &arena, &child_id)) orelse return error.NotFound; 716 var selected_patchrev_id: [evt.event_id_size]u8 = undefined; 717 _ = try std.fmt.hexToBytes(&selected_patchrev_id, &(child.event.revision orelse return error.NotFound).id); 718 const child_patchrev = (try evt.PatchRev.readById(Repo.DB, repo_opts.hash, stacked_moment, &arena, &selected_patchrev_id)) orelse return error.NotFound; 719 var child_oid: [hash.hexLen(repo_opts.hash)]u8 = undefined; 720 @memcpy(&child_oid, child_patchrev.patch_oid); 721 { 722 var child_repo_moment = try target.core.latestMoment(); 723 const child_state = Repo.State(.read_only){ .core = &target.core, .extra = .{ .moment = &child_repo_moment } }; 724 var child_object = try obj.Object(.xit, repo_opts).init(child_state, io, allocator, &child_oid); 725 defer child_object.deinit(); 726 const child_commit = switch (child_object.content) { 727 .commit => |commit| commit, 728 else => return error.InvalidObject, 729 }; 730 const child_parents = child_commit.metadata.parent_oids orelse return error.ParentOidsNotFound; 731 try std.testing.expectEqualStrings(child_patchrev.event.base_oid, &child_parents[0]); 732 } 733 734 const targets_cursor = try stacked_moment.getCursor(hash.hashInt(repo_opts.hash, evt.Patch.target_patch_id_to_patch_id_set_key)) orelse return error.NotFound; 735 const targets = try Repo.DB.HashMap(.read_only).init(targets_cursor); 736 const children_cursor = try targets.getCursor(hash.hashInt(repo_opts.hash, &patch_id)) orelse return error.NotFound; 737 const children = try Repo.DB.SortedSet(.read_only).init(children_cursor); 738 try std.testing.expectEqual(1, try children.count()); 739 740 // 741 // close and merge the same revision concurrently 742 // 743 744 const status_side_ref: rf.Ref = .{ .kind = .head, .name = "haxy/patch-status-side" }; 745 { 746 var result = try target.switchDir(io, allocator, .{ .target = .{ .ref = evt.events_ref } }); 747 defer result.deinit(); 748 try target.addBranch(io, .{ .name = status_side_ref.name }); 749 } 750 var closed_child = child.event; 751 closed_child.status = .closed; 752 try evt.consume(.local, .repo, .xit, repo_opts, io, allocator, &target, evt.events_ref, &.{.{ 753 .id = std.fmt.bytesToHex(child_id, .lower), 754 .timestamp = 14, 755 .author = author, 756 .event = .{ .patch = closed_child }, 757 }}); 758 var merged_child = child.event; 759 merged_child.status = .{ .merged = .{ .revision = .source, .patchrev_id = (child.event.revision orelse return error.NotFound).id } }; 760 try evt.consume(.local, .repo, .xit, repo_opts, io, allocator, &target, status_side_ref, &.{.{ 761 .id = std.fmt.bytesToHex(child_id, .lower), 762 .timestamp = 15, 763 .author = author, 764 .event = .{ .patch = merged_child }, 765 }}); 766 try evt.mergeEvents(.xit, repo_opts, io, allocator, &target, status_side_ref); 767 try evt.consume(.local, .repo, .xit, repo_opts, io, allocator, &target, evt.events_ref, &.{}); 768 769 _ = arena.reset(.retain_capacity); 770 const status_moment = try evt.currentMoment(repo_opts, &target); 771 const merged_child_record = (try evt.Patch.readById(Repo.DB, repo_opts.hash, status_moment, &arena, &child_id)) orelse return error.NotFound; 772 try std.testing.expectEqual(.merged, merged_child_record.event.status.kind()); 773 try std.testing.expectEqual(0, try patchStatusCount(status_moment, .open)); 774 try std.testing.expectEqual(1, try patchStatusCount(status_moment, .closed)); 775 try std.testing.expectEqual(1, try patchStatusCount(status_moment, .merged)); 776 try std.testing.expectEqual(1, try patchTagStatusCount(status_moment, "enhancement", .merged)); 777 const status_conflicts_cursor = try status_moment.getCursor(hash.hashInt(repo_opts.hash, evt.Patch.conflicts_key)) orelse return error.NotFound; 778 const status_conflicts = try Repo.DB.SortedMap(.read_only).init(status_conflicts_cursor); 779 const child_conflict = try status_conflicts.getCursor(&evt.orderKeyDesc(merged_child_record.created_order, &child_id)); 780 try std.testing.expectEqual(null, child_conflict); 781 782 var reopened_child = merged_child_record.event; 783 reopened_child.status = .open; 784 try std.testing.expectError(error.PatchAlreadyMerged, evt.consume(.local, .repo, .xit, repo_opts, io, allocator, &target, evt.events_ref, &.{.{ 785 .id = std.fmt.bytesToHex(child_id, .lower), 786 .timestamp = 16, 787 .author = author, 788 .event = .{ .patch = reopened_child }, 789 }})); 790 791 const invalid_merged_id = evt.EventWithId.randomId(prng.random()); 792 try std.testing.expectError(error.InvalidPatch, evt.consume(.local, .repo, .xit, repo_opts, io, allocator, &target, evt.events_ref, &.{.{ 793 .id = std.fmt.bytesToHex(invalid_merged_id, .lower), 794 .timestamp = 16, 795 .author = author, 796 .event = .{ .patch = .{ 797 .title = "invalid merged patch", 798 .description = "has no revision", 799 .tags = "enhancement", 800 .target_branch = "master", 801 .status = .{ .merged = .{ .revision = .source, .patchrev_id = std.fmt.bytesToHex(invalid_merged_id, .lower) } }, 802 } }, 803 }})); 804 805 // 806 // retain the ref-free commits during garbage collection 807 // 808 809 { 810 const roots = try evt.PatchRev.gcRoots(Repo.DB, repo_opts.hash, allocator, stacked_moment); 811 defer allocator.free(roots); 812 try std.testing.expectEqual(4, roots.len); 813 _ = try target.garbageCollect(io, allocator, .{ .extra_roots = roots }); 814 815 var after_gc_moment = try target.core.latestMoment(); 816 const after_gc_state = Repo.State(.read_only){ .core = &target.core, .extra = .{ .moment = &after_gc_moment } }; 817 var retained = try obj.Object(.xit, repo_opts).init(after_gc_state, io, allocator, &roots[0]); 818 retained.deinit(); 819 } 820 } 821 822 test "patch lifecycle" { 823 try patchLifecycle(.squash); 824 try patchLifecycle(.source); 825 } 826 827 fn patchLifecycle(merge_revision: evt.Patch.MergeRevision) !void { 828 const io = std.testing.io; 829 const allocator = std.testing.allocator; 830 831 var temp = std.testing.tmpDir(.{}); 832 defer temp.cleanup(); 833 const temp_path = try temp.dir.realPathFileAlloc(io, ".", allocator); 834 defer allocator.free(temp_path); 835 836 const repos_dir = try std.fs.path.join(allocator, &.{ temp_path, "repos" }); 837 defer allocator.free(repos_dir); 838 const admin_path = try std.fs.path.join(allocator, &.{ temp_path, "admin" }); 839 defer allocator.free(admin_path); 840 const upstream_path = try std.fs.path.join(allocator, &.{ temp_path, "upstream" }); 841 defer allocator.free(upstream_path); 842 const source_path = try std.fs.path.join(allocator, &.{ temp_path, "source" }); 843 defer allocator.free(source_path); 844 845 var prng = std.Random.DefaultPrng.init(std.testing.random_seed); 846 const user_id = evt.EventWithId.randomId(prng.random()); 847 const repo_id = evt.EventWithId.randomId(prng.random()); 848 const repo_id_hex = std.fmt.bytesToHex(repo_id, .lower); 849 const target_path = try std.fs.path.join(allocator, &.{ repos_dir, &repo_id_hex }); 850 defer allocator.free(target_path); 851 852 var admin = try rp.Repo(.xit, evt.admin_repo_opts).init(io, allocator, .{ .path = admin_path }); 853 defer admin.deinit(io, allocator); 854 try evt.consume(.server, .admin, .xit, evt.admin_repo_opts, io, allocator, &admin, evt.events_ref, &.{ 855 .{ 856 .id = std.fmt.bytesToHex(user_id, .lower), 857 .timestamp = 1, 858 .author = author, 859 .event = .{ .user = .{ 860 .name = author.name, 861 .email = author.email, 862 .password_hash = "", 863 } }, 864 }, 865 .{ 866 .id = repo_id_hex, 867 .timestamp = 1, 868 .author = author, 869 .event = .{ .repo = .{ 870 .user_id = &user_id, 871 .name = "repo", 872 .description = "", 873 } }, 874 }, 875 }); 876 877 // 878 // create the target repo 879 // 880 881 { 882 var upstream = try rp.Repo(.git, .{ .is_test = true }).init(io, allocator, .{ .path = upstream_path }); 883 defer upstream.deinit(io, allocator); 884 const file = try upstream.core.work_dir.createFile(io, "main.zig", .{ .truncate = true }); 885 defer file.close(io); 886 try file.writeStreamingAll(io, "pub fn main() void {}\n"); 887 try upstream.add(io, allocator, &.{"main.zig"}); 888 _ = try upstream.commit(io, allocator, .{ .author = "alice <alice@example.test>", .message = "initial code", .timestamp = 1 }); 889 } 890 var target = try Repo.clone(io, allocator, upstream_path, target_path, target_path, null, .{}); 891 defer target.deinit(io, allocator); 892 893 // 894 // create the patch draft in the fork 895 // 896 897 const patch_id = evt.EventWithId.randomId(prng.random()); 898 const patch_id_hex = std.fmt.bytesToHex(patch_id, .lower); 899 const draft_path = try fork.create(repo_opts, io, allocator, repos_dir, &admin, .{ 900 .target_branch = "master", 901 .id = patch_id_hex, 902 .user_id = user_id, 903 .repo_id = repo_id, 904 .title = "add the answer", 905 .tags = "enhancement", 906 .description = "adds a reusable answer constant", 907 .author = author, 908 .timestamp = 2, 909 }); 910 defer allocator.free(draft_path); 911 912 // 913 // create and record the proposed revision in the fork 914 // 915 916 const base_oid = (try target.readRef(io, .{ .kind = .head, .name = "master" })) orelse return error.NotFound; 917 const base_tree_oid = try commitTree(io, allocator, &target, &base_oid); 918 var source = try Repo.clone(io, allocator, upstream_path, source_path, source_path, null, .{}); 919 defer source.deinit(io, allocator); 920 const source_oid = blk: { 921 const file = try source.core.work_dir.createFile(io, "feature.zig", .{ .truncate = true }); 922 defer file.close(io); 923 try file.writeStreamingAll(io, "pub const answer = 42;\n"); 924 try source.add(io, allocator, &.{"feature.zig"}); 925 break :blk try source.commit(io, allocator, .{ .author = "alice <alice@example.test>", .message = "add feature", .timestamp = 2 }); 926 }; 927 const head_tree_oid = try commitTree(io, allocator, &source, &source_oid); 928 const first_patchrev_id = evt.EventWithId.randomId(prng.random()); 929 const first_patchrev_hex = std.fmt.bytesToHex(first_patchrev_id, .lower); 930 const first_entries = [_]evt.EventTreeEntry{ 931 .{ .tree = .{ .name = "base", .oid = &base_tree_oid } }, 932 .{ .tree = .{ .name = "head", .oid = &head_tree_oid } }, 933 }; 934 { 935 var draft = try Repo.open(io, allocator, .{ .path = draft_path }); 936 defer draft.deinit(io, allocator); 937 var arena = std.heap.ArenaAllocator.init(allocator); 938 defer arena.deinit(); 939 940 const initial_moment = try evt.currentMoment(repo_opts, &draft); 941 const initial_patch = (try evt.Patch.readById(Repo.DB, repo_opts.hash, initial_moment, &arena, &patch_id)) orelse return error.NotFound; 942 try std.testing.expect(!initial_patch.removed); 943 try std.testing.expectEqualStrings("add the answer", initial_patch.event.title); 944 try std.testing.expectEqual(null, initial_patch.event.revision); 945 try std.testing.expectEqual(null, try evt.PatchRev.readNewest(Repo.DB, repo_opts.hash, initial_moment, &arena)); 946 947 var source_moment = try source.core.latestMoment(); 948 const source_state = Repo.State(.read_only){ .core = &source.core, .extra = .{ .moment = &source_moment } }; 949 var objects = try obj.ObjectIterator(.xit, repo_opts).init(source_state, io, allocator, .{ .kind = .all }); 950 defer objects.deinit(); 951 try objects.include(&source_oid); 952 try draft.copyObjects(.xit, repo_opts, &objects, io, null); 953 try consumePatchWithRevision(.fork, io, allocator, &draft, evt.events_ref, first_patchrev_id, .{ 954 .base_oid = &base_oid, 955 .source_oid = &source_oid, 956 .message = "add the answer", 957 }, &first_entries, 3, patch_id, .{ 958 .title = "add the answer", 959 .tags = "enhancement", 960 .description = "adds a reusable answer constant", 961 .target_branch = "master", 962 }, 3); 963 964 _ = arena.reset(.retain_capacity); 965 const moment = try evt.currentMoment(repo_opts, &draft); 966 const patch = (try evt.Patch.readById(Repo.DB, repo_opts.hash, moment, &arena, &patch_id)) orelse return error.NotFound; 967 try std.testing.expect(!patch.removed); 968 try std.testing.expectEqualStrings(&first_patchrev_hex, &(patch.event.revision orelse return error.NotFound).id); 969 try std.testing.expect(null != try evt.PatchRev.readById(Repo.DB, repo_opts.hash, moment, &arena, &first_patchrev_id)); 970 } 971 try std.testing.expectError(error.NotFound, evt.currentMoment(repo_opts, &target)); 972 973 // 974 // publish another draft before its first push 975 // 976 977 const unpushed_id = evt.EventWithId.randomId(prng.random()); 978 const unpushed_id_hex = std.fmt.bytesToHex(unpushed_id, .lower); 979 const unpushed_path = try fork.create(repo_opts, io, allocator, repos_dir, &admin, .{ 980 .id = unpushed_id_hex, 981 .user_id = user_id, 982 .repo_id = repo_id, 983 .title = "explain the answer", 984 .tags = "documentation", 985 .description = "describes the existing answer", 986 .target_branch = "master", 987 .author = author, 988 .timestamp = 3, 989 }); 990 defer allocator.free(unpushed_path); 991 try pch.publish(repo_opts, io, allocator, &admin, &target, unpushed_path, .{ 992 .id = unpushed_id_hex, 993 .user_id = user_id, 994 .repo_id = repo_id, 995 .author = author, 996 .timestamp = 4, 997 }); 998 { 999 var verify_arena = std.heap.ArenaAllocator.init(allocator); 1000 defer verify_arena.deinit(); 1001 const target_moment = try evt.currentMoment(repo_opts, &target); 1002 const unpushed = (try evt.Patch.readById(Repo.DB, repo_opts.hash, target_moment, &verify_arena, &unpushed_id)) orelse return error.NotFound; 1003 try std.testing.expectEqual(null, unpushed.event.revision); 1004 1005 var unpushed_repo = try Repo.open(io, allocator, .{ .path = unpushed_path }); 1006 defer unpushed_repo.deinit(io, allocator); 1007 const fork_moment = try evt.currentMoment(repo_opts, &unpushed_repo); 1008 const removed = (try evt.Patch.readById(Repo.DB, repo_opts.hash, fork_moment, &verify_arena, &unpushed_id)) orelse return error.NotFound; 1009 try std.testing.expect(removed.removed); 1010 } 1011 1012 // 1013 // edit the patch metadata in the fork 1014 // 1015 1016 try std.testing.expect(try pch.editDraft(repo_opts, io, allocator, &admin, draft_path, .{ 1017 .id = patch_id_hex, 1018 .user_id = user_id, 1019 .repo_id = repo_id, 1020 .title = "explain the answer", 1021 .tags = "enhancement documentation", 1022 .description = "adds and explains a reusable answer constant", 1023 .target_branch = "master", 1024 .author = author, 1025 .timestamp = 4, 1026 })); 1027 1028 // 1029 // publish the metadata and revision pointer 1030 // 1031 1032 try pch.publish(repo_opts, io, allocator, &admin, &target, draft_path, .{ 1033 .id = patch_id_hex, 1034 .user_id = user_id, 1035 .repo_id = repo_id, 1036 .author = author, 1037 .timestamp = 5, 1038 }); 1039 try pch.publish(repo_opts, io, allocator, &admin, &target, draft_path, .{ 1040 .id = patch_id_hex, 1041 .user_id = user_id, 1042 .repo_id = repo_id, 1043 .author = author, 1044 .timestamp = 6, 1045 }); 1046 1047 var arena = std.heap.ArenaAllocator.init(allocator); 1048 defer arena.deinit(); 1049 const moment = try evt.currentMoment(repo_opts, &target); 1050 const patch = (try evt.Patch.readById(Repo.DB, repo_opts.hash, moment, &arena, &patch_id)) orelse return error.NotFound; 1051 try std.testing.expectEqualStrings("explain the answer", patch.event.title); 1052 try std.testing.expectEqualStrings(&first_patchrev_hex, &(patch.event.revision orelse return error.NotFound).id); 1053 try std.testing.expectEqual(.open, patch.event.status); 1054 try std.testing.expectEqual(null, try evt.PatchRev.readById(Repo.DB, repo_opts.hash, moment, &arena, &first_patchrev_id)); 1055 1056 _ = arena.reset(.retain_capacity); 1057 const admin_moment = try evt.currentMoment(evt.admin_repo_opts, &admin); 1058 const published_fork = (try evt.Fork.readById(evt.AdminDB, evt.admin_repo_opts.hash, admin_moment, &arena, &patch_id)) orelse return error.NotFound; 1059 try std.testing.expect(!published_fork.removed); 1060 try std.testing.expectEqual(.publish, published_fork.event.stage); 1061 const draft_key = evt.Fork.draftKey(&repo_id, &user_id); 1062 try std.testing.expectEqual(0, try indexedForkCount(admin_moment, evt.Fork.repo_user_to_draft_id_set_key, &draft_key)); 1063 try std.testing.expectEqual(2, try indexedForkCount(admin_moment, evt.Fork.user_id_to_fork_id_set_key, &user_id)); 1064 var squash_oid: [hash.hexLen(repo_opts.hash)]u8 = undefined; 1065 { 1066 var draft = try Repo.open(io, allocator, .{ .path = draft_path }); 1067 defer draft.deinit(io, allocator); 1068 _ = arena.reset(.retain_capacity); 1069 const draft_moment = try evt.currentMoment(repo_opts, &draft); 1070 const removed = (try evt.Patch.readById(Repo.DB, repo_opts.hash, draft_moment, &arena, &patch_id)) orelse return error.NotFound; 1071 try std.testing.expect(removed.removed); 1072 const revision = (try evt.PatchRev.readById(Repo.DB, repo_opts.hash, draft_moment, &arena, &first_patchrev_id)) orelse return error.NotFound; 1073 @memcpy(&squash_oid, revision.patch_oid); 1074 try std.testing.expectEqualStrings("master", removed.event.target_branch); 1075 try std.testing.expectEqual(hash.hexLen(repo_opts.hash), revision.event_oid.len); 1076 var event_oid: [hash.hexLen(repo_opts.hash)]u8 = undefined; 1077 @memcpy(&event_oid, revision.event_oid); 1078 var repo_moment = try draft.core.latestMoment(); 1079 const state = Repo.State(.read_only){ .core = &draft.core, .extra = .{ .moment = &repo_moment } }; 1080 var event_object = try obj.Object(.xit, repo_opts).initCommit(state, io, allocator, &event_oid); 1081 defer event_object.deinit(); 1082 const trees = try evt.PatchRev.readTrees(.xit, repo_opts, state, io, allocator, &event_object.content.commit.tree); 1083 try std.testing.expectEqualStrings(revision.base_tree_oid, &trees.base); 1084 try std.testing.expectEqualStrings(revision.head_tree_oid, &trees.head); 1085 } 1086 1087 // 1088 // merge the selected revision into the target 1089 // 1090 1091 try evt.Patch.update(.local, .xit, repo_opts, io, allocator, &target, &patch_id, .{ .status = .closed }, author); 1092 try std.testing.expectError(error.PatchClosed, pch.merge(repo_opts, io, allocator, repos_dir, &target, .{ 1093 .id = patch_id_hex, 1094 .revision = merge_revision, 1095 .author = author, 1096 .timestamp = 5, 1097 })); 1098 try evt.Patch.update(.local, .xit, repo_opts, io, allocator, &target, &patch_id, .{ .status = .open }, author); 1099 1100 // run the cache scenario once; both lifecycle runs still perform a merge 1101 if (merge_revision == .source) { 1102 try testMergeability(&target, io, allocator, repos_dir, &patch_id, &base_oid, &source_oid); 1103 } 1104 1105 const selected_oid = switch (merge_revision) { 1106 .squash => squash_oid, 1107 .source => source_oid, 1108 }; 1109 try pch.mergeAndRemoveFork(repo_opts, io, allocator, repos_dir, &admin, &target, .{ 1110 .id = patch_id_hex, 1111 .revision = merge_revision, 1112 .author = author, 1113 .timestamp = 5, 1114 }); 1115 const target_oid = (try target.readRef(io, .{ .kind = .head, .name = "master" })) orelse return error.NotFound; 1116 try std.testing.expectEqualStrings(&selected_oid, &target_oid); 1117 1118 _ = arena.reset(.retain_capacity); 1119 const merged_moment = try evt.currentMoment(repo_opts, &target); 1120 const merged = (try evt.Patch.readById(Repo.DB, repo_opts.hash, merged_moment, &arena, &patch_id)) orelse return error.NotFound; 1121 try std.testing.expectEqual(.merged, merged.event.status.kind()); 1122 const merged_status = switch (merged.event.status) { 1123 .merged => |value| value, 1124 else => return error.InvalidPatch, 1125 }; 1126 try std.testing.expectEqual(merge_revision, merged_status.revision); 1127 const result_id = try evt.parseEventId(&merged_status.patchrev_id); 1128 const result = (try evt.PatchRev.readById(Repo.DB, repo_opts.hash, merged_moment, &arena, &result_id)) orelse return error.NotFound; 1129 try std.testing.expectEqualStrings(&base_oid, result.event.base_oid); 1130 try std.testing.expectEqualStrings(&selected_oid, result.event.source_oid); 1131 try std.testing.expect(null != try evt.PatchRev.readById(Repo.DB, repo_opts.hash, merged_moment, &arena, &first_patchrev_id)); 1132 1133 _ = arena.reset(.retain_capacity); 1134 const removed_fork = (try evt.Fork.readById(evt.AdminDB, evt.admin_repo_opts.hash, try evt.currentMoment(evt.admin_repo_opts, &admin), &arena, &patch_id)) orelse return error.NotFound; 1135 try std.testing.expect(removed_fork.removed); 1136 } 1137 1138 fn indexedForkCount( 1139 moment: evt.AdminDB.HashMap(.read_only), 1140 index_key: []const u8, 1141 parent_id: []const u8, 1142 ) !u64 { 1143 const index_cursor = try moment.getCursor(hash.hashInt(evt.admin_repo_opts.hash, index_key)) orelse return 0; 1144 const index = try evt.AdminDB.HashMap(.read_only).init(index_cursor); 1145 const ids_cursor = try index.getCursor(hash.hashInt(evt.admin_repo_opts.hash, parent_id)) orelse return 0; 1146 const ids = try evt.AdminDB.SortedSet(.read_only).init(ids_cursor); 1147 return try ids.count(); 1148 } 1149 1150 fn patchStatusCount(moment: Repo.DB.HashMap(.read_only), status: evt.Patch.StatusKind) !u64 { 1151 const statuses_cursor = try moment.getCursor(hash.hashInt(repo_opts.hash, evt.Patch.status_to_id_set_key)) orelse return 0; 1152 const statuses = try Repo.DB.SortedMap(.read_only).init(statuses_cursor); 1153 const ids_cursor = try statuses.getCursor(@tagName(status)) orelse return 0; 1154 const ids = try Repo.DB.SortedSet(.read_only).init(ids_cursor); 1155 return try ids.count(); 1156 } 1157 1158 fn patchTagStatusCount(moment: Repo.DB.HashMap(.read_only), tag: []const u8, status: evt.Patch.StatusKind) !u64 { 1159 const tags_cursor = try moment.getCursor(hash.hashInt(repo_opts.hash, evt.Patch.tag_status_to_id_set_key)) orelse return 0; 1160 const tags = try Repo.DB.SortedMap(.read_only).init(tags_cursor); 1161 var key_buffer: evt.Patch.TagStatusKey = undefined; 1162 const ids_cursor = try tags.getCursor(try evt.Patch.tagStatusKey(&key_buffer, tag, status)) orelse return 0; 1163 const ids = try Repo.DB.SortedSet(.read_only).init(ids_cursor); 1164 return try ids.count(); 1165 } 1166 1167 fn readMergeability(repo: *Repo, io: std.Io, allocator: std.mem.Allocator, id: *const [evt.event_id_size]u8, patch: evt.Patch) !pch.Mergeability { 1168 var arena = std.heap.ArenaAllocator.init(allocator); 1169 defer arena.deinit(); 1170 var moment = try repo.core.latestMoment(); 1171 return pch.readMergeability(repo_opts, .{ .core = &repo.core, .extra = .{ .moment = &moment } }, io, &arena, id, patch); 1172 } 1173 1174 fn expectMergeabilityShortBytes(moment: Repo.DB.HashMap(.read_only), id: *const [evt.event_id_size]u8) !void { 1175 const checks = try Repo.DB.HashMap(.read_only).init((try moment.getCursor(hash.hashInt(repo_opts.hash, "patch-id->mergeability"))) orelse return error.NotFound); 1176 const entry = try Repo.DB.HashMap(.read_only).init((try checks.getCursor(hash.hashInt(repo_opts.hash, id))) orelse return error.NotFound); 1177 const result = try Repo.DB.HashMap(.read_only).init((try entry.getCursor(hash.hashInt(repo_opts.hash, "result"))) orelse return error.NotFound); 1178 for ([_][]const u8{ "source", "squash" }) |field| { 1179 const cursor = (try result.getCursor(hash.hashInt(repo_opts.hash, field))) orelse return error.NotFound; 1180 try std.testing.expectEqual(.short_bytes, cursor.slot().tag); 1181 } 1182 } 1183 1184 fn testMergeability( 1185 target: *Repo, 1186 io: std.Io, 1187 allocator: std.mem.Allocator, 1188 repos_dir: []const u8, 1189 id: *const [evt.event_id_size]u8, 1190 base: *const [hash.hexLen(repo_opts.hash)]u8, 1191 source: *const [hash.hexLen(repo_opts.hash)]u8, 1192 ) !void { 1193 var arena = std.heap.ArenaAllocator.init(allocator); 1194 defer arena.deinit(); 1195 const events = try evt.currentMoment(repo_opts, target); 1196 const record = (try evt.Patch.readById(Repo.DB, repo_opts.hash, events, &arena, id)) orelse return error.NotFound; 1197 const patch = record.event; 1198 1199 // publication checks both methods, and reads and cache hits do no work 1200 const clean = pch.Mergeability{ .source = .clean, .squash = .clean }; 1201 try std.testing.expectEqualDeep(clean, try readMergeability(target, io, allocator, id, patch)); 1202 try expectMergeabilityShortBytes(try target.core.latestMoment(), id); 1203 const before = (try target.core.latestMoment()).cursor.slot(); 1204 pch.refreshMergeability(repo_opts, io, allocator, target, id.*); 1205 try std.testing.expectEqualDeep(before, (try target.core.latestMoment()).cursor.slot()); 1206 { 1207 var moment = try target.core.latestMoment(); 1208 const state = Repo.State(.read_only){ .core = &target.core, .extra = .{ .moment = &moment } }; 1209 try std.testing.expectError(error.ObjectNotFound, obj.Object(.xit, repo_opts).initCommit(state, io, allocator, source)); 1210 } 1211 1212 // a target update invalidates the old result before refresh 1213 { 1214 const file = try target.core.work_dir.createFile(io, "feature.zig", .{ .truncate = true }); 1215 defer file.close(io); 1216 try file.writeStreamingAll(io, "pub const answer = 99;\n"); 1217 } 1218 try target.add(io, allocator, &.{"feature.zig"}); 1219 const conflicting_target = try target.commit(io, allocator, .{ .message = "different answer", .timestamp = 20 }); 1220 const input = pch.MergeInput{ .id = std.fmt.bytesToHex(id.*, .lower), .revision = .source, .author = author, .timestamp = 21 }; 1221 var squash_input = input; 1222 squash_input.revision = .squash; 1223 try std.testing.expectEqualDeep(pch.Mergeability{}, try readMergeability(target, io, allocator, id, patch)); 1224 try std.testing.expectError(error.MergeCheckUnavailable, pch.merge(repo_opts, io, allocator, repos_dir, target, input)); 1225 try std.testing.expectError(error.MergeCheckUnavailable, pch.merge(repo_opts, io, allocator, repos_dir, target, squash_input)); 1226 1227 // local edits and server comments leave checks alone 1228 var edit = evt.Patch.Update{ .fields = .{ 1229 .title = "edit the answer", 1230 .tags = patch.tags, 1231 .description = patch.description, 1232 .target_branch = patch.target_branch, 1233 } }; 1234 try evt.Patch.update(.local, .xit, repo_opts, io, allocator, target, id, edit, author); 1235 try std.testing.expectEqualDeep(pch.Mergeability{}, try readMergeability(target, io, allocator, id, patch)); 1236 _ = try evt.Comment.create(.server, .xit, repo_opts, io, allocator, target, &input.id, &input.id, "reviewing the answer", author); 1237 try std.testing.expectEqualDeep(pch.Mergeability{}, try readMergeability(target, io, allocator, id, patch)); 1238 1239 // a server patch edit refreshes its mergeability 1240 edit.fields.title = patch.title; 1241 try evt.Patch.update(.server, .xit, repo_opts, io, allocator, target, id, edit, author); 1242 const events_before = try target.readRef(io, evt.events_ref); 1243 try std.testing.expectEqualDeep(pch.Mergeability{ .source = .conflict, .squash = .conflict }, try readMergeability(target, io, allocator, id, patch)); 1244 try expectMergeabilityShortBytes(try target.core.latestMoment(), id); 1245 try std.testing.expectError(error.MergeConflict, pch.merge(repo_opts, io, allocator, repos_dir, target, input)); 1246 try std.testing.expectError(error.MergeConflict, pch.merge(repo_opts, io, allocator, repos_dir, target, squash_input)); 1247 try std.testing.expectEqual(events_before, try target.readRef(io, evt.events_ref)); 1248 try std.testing.expectEqual(conflicting_target, (try target.readRef(io, .{ .kind = .head, .name = "master" })).?); 1249 try std.testing.expectEqual(null, try target.readRef(io, .{ .kind = .none, .name = "MERGE_HEAD" })); 1250 1251 // deleting and restoring the target cannot reuse the conflict result 1252 { 1253 var detached = try target.switchDir(io, allocator, .{ .target = .{ .oid = base } }); 1254 defer detached.deinit(); 1255 } 1256 try target.removeBranch(io, .{ .name = "master" }); 1257 pch.refreshMergeability(repo_opts, io, allocator, target, null); 1258 try std.testing.expectEqualDeep(pch.Mergeability{}, try readMergeability(target, io, allocator, id, patch)); 1259 try expectMergeabilityShortBytes(try target.core.latestMoment(), id); 1260 try target.addBranch(io, .{ .name = "master" }); 1261 { 1262 var restored = try target.switchDir(io, allocator, .{ .target = .{ .ref = .{ .kind = .head, .name = "master" } } }); 1263 defer restored.deinit(); 1264 } 1265 pch.refreshMergeability(repo_opts, io, allocator, target, null); 1266 try std.testing.expectEqualDeep(clean, try readMergeability(target, io, allocator, id, patch)); 1267 1268 // a missing fork disables merging without changing the accepted events 1269 const draft_path = try fork.forkPath(allocator, repos_dir, &std.fmt.bytesToHex(id.*, .lower)); 1270 defer allocator.free(draft_path); 1271 const away_path = try std.fmt.allocPrint(allocator, "{s}.away", .{draft_path}); 1272 defer allocator.free(away_path); 1273 { 1274 try std.Io.Dir.renameAbsolute(draft_path, away_path, io); 1275 defer std.Io.Dir.renameAbsolute(away_path, draft_path, io) catch {}; 1276 { 1277 const log_level = std.testing.log_level; 1278 std.testing.log_level = .err; 1279 defer std.testing.log_level = log_level; 1280 try std.testing.expectError(error.PatchDataUnavailable, pch.merge(repo_opts, io, allocator, repos_dir, target, input)); 1281 } 1282 try std.testing.expectEqualDeep(pch.Mergeability{}, try readMergeability(target, io, allocator, id, patch)); 1283 try std.testing.expectEqual(events_before, try target.readRef(io, evt.events_ref)); 1284 } 1285 pch.refreshMergeability(repo_opts, io, allocator, target, id.*); 1286 try std.testing.expectEqualDeep(clean, try readMergeability(target, io, allocator, id, patch)); 1287 1288 // a changed revision is unknown even if its target has not moved 1289 var changed = patch; 1290 changed.revision.?.id[0] = if (changed.revision.?.id[0] == 'a') 'b' else 'a'; 1291 try std.testing.expectEqualDeep(pch.Mergeability{}, try readMergeability(target, io, allocator, id, changed)); 1292 } 1293