╭ Events.zig ───────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭d23217c1..╮ d23217c1.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (650) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. Attachment.zig Comment.zig Commits.zig Diff.zig Discussions.zig ╭─────────────────────────────────╮ │Events.zig │ ╰─────────────────────────────────╯ Files.zig Header.zig Issues.zig Markdown.zig Patches.zig Refs.zig Settings.zig Undo.zig
1 const std = @import("std"); 2 const builtin = @import("builtin"); 3 const evt = @import("../../event.zig"); 4 const ui = @import("../../ui.zig"); 5 const inp = @import("../input.zig"); 6 const xit = @import("xit"); 7 const rp = xit.repo; 8 const rf = xit.ref; 9 const hash = xit.hash; 10 const xitui = xit.xitui; 11 const wgt = xitui.widget; 12 const layout = xitui.layout; 13 const Key = xitui.input.Key; 14 const Grid = xitui.grid.Grid; 15 const Focus = xitui.focus.Focus; 16 17 const active_tab_label = "active"; 18 const removed_tab_label = "removed"; 19 20 const page_size = 20; 21 22 pub const Item = struct { 23 id: []const u8, 24 kind: evt.EventKind, 25 author: ui.Author, 26 view_url: ?[]const u8 = null, 27 }; 28 29 pub const EventRef = struct { 30 id: []const u8, 31 kind: evt.EventKind, 32 }; 33 34 pub const Window = struct { 35 count: usize = 0, 36 events: []const Item = &.{}, 37 next: ?EventRef = null, 38 }; 39 40 identity: []const u8, 41 view: ui.RoutablePage.EventsView, 42 selected: ?EventRef, 43 active: Window, 44 removed: Window, 45 header: Header, 46 // set when the list is limited to the events one transaction wrote 47 moment: ?u64 = null, 48 49 const Self = @This(); 50 51 pub fn init( 52 comptime repo_kind: rp.RepoKind, 53 comptime repo_opts: rp.RepoOpts(repo_kind), 54 arena: *std.heap.ArenaAllocator, 55 repo: *rp.Repo(repo_kind, repo_opts), 56 io: std.Io, 57 admin_moment: ?evt.AdminDB.HashMap(.read_only), 58 identity: []const u8, 59 repo_event: evt.Repo, 60 requested_view: ui.RoutablePage.EventsView, 61 selected_kind: ?evt.EventKind, 62 selected: []const u8, 63 moment_index: ?u64, 64 local: bool, 65 failure: ?[]const u8, 66 ) !Self { 67 const aa = arena.allocator(); 68 var result = try empty(aa, identity, requested_view, local, failure); 69 result.moment = moment_index; 70 if (local) result.header = try Header.local(repo_kind, repo_opts, aa, repo, io, failure); 71 const require_selected_event = selected_kind != null or selected.len != 0; 72 if ((selected_kind == null) != (selected.len == 0)) return error.NotFound; 73 74 const DB = evt.EventDB(repo_opts.hash); 75 const gpa = arena.child_allocator; 76 var event_db_maybe: ?evt.LocalEventDB(repo_opts.hash) = if (repo_kind == .git) try evt.LocalEventDB(repo_opts.hash).openReadOnly(io, gpa, repo.core.repo_dir) else null; 77 defer if (event_db_maybe) |*event_db| event_db.deinit(io, gpa); 78 const haxy_moment = (if (moment_index) |index| 79 transactionMoment(repo_kind, repo_opts, repo, index) 80 else if (event_db_maybe) |*event_db| 81 evt.currentMomentFromDb(repo_opts.hash, event_db.db) 82 else if (repo_kind == .git) 83 return result 84 else 85 evt.currentMoment(repo_opts, repo)) catch { 86 if (require_selected_event) return error.NotFound; 87 return result; 88 }; 89 90 const kind_map_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.event_index_key)) orelse { 91 if (require_selected_event) return error.NotFound; 92 return result; 93 }; 94 const kind_map = try DB.HashMap(.read_only).init(kind_map_cursor); 95 96 const active_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.active_event_id_set_key)); 97 const removed_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.removed_event_id_set_key)); 98 99 var root_key: ?[@sizeOf(u64) + evt.event_id_size]u8 = null; 100 if (selected.len != 0) { 101 var id: [evt.event_id_size]u8 = undefined; 102 _ = std.fmt.hexToBytes(&id, selected) catch return error.NotFound; 103 if (!std.mem.eql(u8, selected, &std.fmt.bytesToHex(id, .lower))) return error.NotFound; 104 const kind = selected_kind orelse return error.NotFound; 105 const stored_kind = (try evt.readEventKind(repo_opts.hash, kind_map, &id)) orelse return error.NotFound; 106 if (stored_kind != kind) return error.NotFound; 107 result.selected = .{ .id = try aa.dupe(u8, selected), .kind = kind }; 108 const meta = try readMeta(repo_opts.hash, arena, haxy_moment, kind, &id); 109 result.view = if (meta.removed) .removed else .active; 110 root_key = evt.orderKeyDesc(meta.updated_order, &id); 111 } 112 113 if (moment_index != null) { 114 try readMomentEvents(repo_kind, repo_opts, arena, &result, haxy_moment, kind_map, admin_moment, identity, repo_event, selected); 115 return result; 116 } 117 118 for ([_]ui.RoutablePage.EventsView{ .active, .removed }) |view| { 119 const id_set_cursor = switch (view) { 120 .active => active_cursor, 121 .removed => removed_cursor, 122 }; 123 const event_window = switch (view) { 124 .active => &result.active, 125 .removed => &result.removed, 126 }; 127 const id_set = try DB.SortedSet(.read_only).init(id_set_cursor orelse { 128 if (require_selected_event and result.view == view) return error.NotFound; 129 continue; 130 }); 131 event_window.count = @intCast(try id_set.count()); 132 const selected_key = if (result.view == view) root_key else null; 133 if (selected_key) |*key| if (!try id_set.contains(key)) return error.NotFound; 134 135 var iter = if (selected_key) |*key| try id_set.iteratorFrom(key) else try id_set.iteratorFromIndex(0); 136 var events: std.ArrayList(Item) = .empty; 137 while (try iter.next()) |cursor_value| { 138 const id = try evt.readOrderKeyId(DB, cursor_value); 139 const kind = (try evt.readEventKind(repo_opts.hash, kind_map, &id)) orelse continue; 140 if (events.items.len == page_size) { 141 event_window.next = .{ .id = try formatId(aa, &id), .kind = kind }; 142 break; 143 } 144 const item = (try readItem(repo_opts.hash, arena, haxy_moment, kind_map, admin_moment, identity, repo_event, view == .active, kind, &id)) orelse continue; 145 try events.append(aa, item); 146 } 147 event_window.events = events.items; 148 } 149 return result; 150 } 151 152 // the haxy state as of one transaction in the repo history. a moment page 153 // reads from it, so undoing or rebasing later transactions cannot change what 154 // it shows, and the events read as they were when the transaction ran 155 fn transactionMoment( 156 comptime repo_kind: rp.RepoKind, 157 comptime repo_opts: rp.RepoOpts(repo_kind), 158 repo: *rp.Repo(repo_kind, repo_opts), 159 index: u64, 160 ) !evt.EventDB(repo_opts.hash).HashMap(.read_only) { 161 if (repo_kind == .git) return error.NotFound; 162 return try evt.currentMomentFromRepoMoment(repo_opts.hash, try repo.core.momentAt(index)); 163 } 164 165 // the moment's set is keyed on the event order, not the update order the 166 // active and removed sets use, so it gets its own walk. one transaction's 167 // events are few, so the whole set is scanned to count both views. 168 fn readMomentEvents( 169 comptime repo_kind: rp.RepoKind, 170 comptime repo_opts: rp.RepoOpts(repo_kind), 171 arena: *std.heap.ArenaAllocator, 172 result: *Self, 173 haxy_moment: evt.EventDB(repo_opts.hash).HashMap(.read_only), 174 kind_map: evt.EventDB(repo_opts.hash).HashMap(.read_only), 175 admin_moment: ?evt.AdminDB.HashMap(.read_only), 176 identity: []const u8, 177 repo_event: evt.Repo, 178 selected: []const u8, 179 ) !void { 180 const DB = evt.EventDB(repo_opts.hash); 181 const aa = arena.allocator(); 182 // the moment names its own position, so the page needs no index from the 183 // url. a transaction that consumed nothing has no set of its own, which 184 // leaves the list empty rather than failing the page: the terminal hosts 185 // build their pages inside the run loop, where an error ends the session 186 const index_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.moment_index_key)) orelse return; 187 const ids = try evt.momentEventIds(DB, repo_opts.hash, haxy_moment, try index_cursor.readUint()) orelse return; 188 189 var events: [2]std.ArrayList(Item) = .{ .empty, .empty }; 190 // the selected event's window starts at it, not at the top 191 var awaiting_selected = selected.len != 0; 192 193 var iter = try ids.iterator(); 194 while (try iter.next()) |cursor_value| { 195 const id = try evt.readOrderKeyId(DB, cursor_value); 196 const kind = (try evt.readEventKind(repo_opts.hash, kind_map, &id)) orelse continue; 197 const meta = try readMeta(repo_opts.hash, arena, haxy_moment, kind, &id); 198 const view: ui.RoutablePage.EventsView = if (meta.removed) .removed else .active; 199 const event_window = switch (view) { 200 .active => &result.active, 201 .removed => &result.removed, 202 }; 203 event_window.count += 1; 204 if (awaiting_selected and view == result.view) { 205 if (!std.mem.eql(u8, selected, &std.fmt.bytesToHex(id, .lower))) continue; 206 awaiting_selected = false; 207 } 208 const window_events = &events[@backingInt(view)]; 209 if (window_events.items.len == page_size) { 210 if (event_window.next == null) event_window.next = .{ .id = try formatId(aa, &id), .kind = kind }; 211 continue; 212 } 213 const item = (try readItem(repo_opts.hash, arena, haxy_moment, kind_map, admin_moment, identity, repo_event, view == .active, kind, &id)) orelse continue; 214 try window_events.append(aa, item); 215 } 216 // the window start can name an event this batch no longer holds 217 if (awaiting_selected) return; 218 result.active.events = events[@backingInt(ui.RoutablePage.EventsView.active)].items; 219 result.removed.events = events[@backingInt(ui.RoutablePage.EventsView.removed)].items; 220 } 221 222 pub fn empty(aa: std.mem.Allocator, identity: []const u8, view: ui.RoutablePage.EventsView, local: bool, failure: ?[]const u8) !Self { 223 return .{ 224 .identity = try aa.dupe(u8, identity), 225 .view = view, 226 .selected = null, 227 .active = .{}, 228 .removed = .{}, 229 .header = if (local) try Header.empty(aa, failure) else Header.remote(), 230 }; 231 } 232 233 fn window(self: *const Self, view: ui.RoutablePage.EventsView) *const Window { 234 return switch (view) { 235 .active => &self.active, 236 .removed => &self.removed, 237 }; 238 } 239 240 fn formatId(aa: std.mem.Allocator, id: *const [evt.event_id_size]u8) ![]const u8 { 241 const hex = std.fmt.bytesToHex(id.*, .lower); 242 return try aa.dupe(u8, &hex); 243 } 244 245 const EventMeta = struct { 246 updated_order: u64, 247 removed: bool, 248 }; 249 250 fn readMeta( 251 comptime hash_kind: hash.HashKind, 252 arena: *std.heap.ArenaAllocator, 253 haxy_moment: evt.EventDB(hash_kind).HashMap(.read_only), 254 kind: evt.EventKind, 255 id: *const [evt.event_id_size]u8, 256 ) !EventMeta { 257 return switch (kind) { 258 inline else => |event_kind| blk: { 259 const T = switch (event_kind) { 260 .user => evt.User, 261 .repo => evt.Repo, 262 .fork => evt.Fork, 263 .grant => evt.Grant, 264 .discuss => evt.Discussion, 265 .issue => evt.Issue, 266 .comment => evt.Comment, 267 .attach => evt.Attachment, 268 .patchrev => evt.PatchRev, 269 .patch => evt.Patch, 270 }; 271 break :blk (try evt.readRecordSubset(T, EventMeta, evt.EventDB(hash_kind), hash_kind, haxy_moment, arena, id)) orelse return error.NotFound; 272 }, 273 }; 274 } 275 276 fn readItem( 277 comptime hash_kind: hash.HashKind, 278 arena: *std.heap.ArenaAllocator, 279 haxy_moment: evt.EventDB(hash_kind).HashMap(.read_only), 280 kind_map: evt.EventDB(hash_kind).HashMap(.read_only), 281 admin_moment: ?evt.AdminDB.HashMap(.read_only), 282 identity: []const u8, 283 repo_event: evt.Repo, 284 include_view_url: bool, 285 kind: evt.EventKind, 286 id: *const [evt.event_id_size]u8, 287 ) !?Item { 288 const DB = evt.EventDB(hash_kind); 289 // the parts of a record a row shows 290 const Authored = struct { author_email: ?[]const u8 }; 291 const Owned = struct { event: struct { user_id: []const u8 } }; 292 var item: Item = .{ 293 .id = try formatId(arena.allocator(), id), 294 .kind = kind, 295 .author = .unknown, 296 }; 297 switch (kind) { 298 .user => { 299 const record = (try evt.readRecordSubset(evt.User, struct { event: struct { email: []const u8 } }, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 300 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.event.email); 301 }, 302 .repo => { 303 const record = (try evt.readRecordSubset(evt.Repo, Owned, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 304 if (admin_moment) |moment| { 305 if (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, record.event.user_id)) |user| 306 item.author = .{ .user_name = user.event.name }; 307 } 308 }, 309 .fork => _ = (try evt.readRecordSubset(evt.Fork, struct { removed: bool }, DB, hash_kind, haxy_moment, arena, id)) orelse return null, 310 .grant => _ = (try evt.readRecordSubset(evt.Grant, struct { removed: bool }, DB, hash_kind, haxy_moment, arena, id)) orelse return null, 311 .discuss => { 312 const record = (try evt.readRecordSubset(evt.Discussion, Authored, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 313 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 314 if (!include_view_url or repo_event.threadRole(.discuss) == null) return item; 315 const route = ui.RoutablePage.repoThreadCommentsRoute(.discuss, identity, item.id, 0) orelse return error.RouteTooLong; 316 item.view_url = try route.toUrl(arena); 317 }, 318 .issue => { 319 const record = (try evt.readRecordSubset(evt.Issue, Authored, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 320 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 321 if (!include_view_url or repo_event.threadRole(.issue) == null) return item; 322 const route = ui.RoutablePage.repoThreadCommentsRoute(.issue, identity, item.id, 0) orelse return error.RouteTooLong; 323 item.view_url = try route.toUrl(arena); 324 }, 325 .comment => { 326 const record = (try evt.readRecordSubset(evt.Comment, struct { author_email: ?[]const u8, event: struct { thread_id: [evt.event_id_size * 2]u8 } }, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 327 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 328 if (!include_view_url) return item; 329 var thread_id: [evt.event_id_size]u8 = undefined; 330 _ = std.fmt.hexToBytes(&thread_id, &record.event.thread_id) catch return error.InvalidEventId; 331 const thread_kind = (try evt.readEventKind(hash_kind, kind_map, &thread_id)) orelse return item; 332 if (repo_event.threadRole(thread_kind) == null) return item; 333 const route = ui.RoutablePage.repoThreadCommentRoute(thread_kind, identity, &record.event.thread_id, item.id, 0) orelse return item; 334 item.view_url = try route.toUrl(arena); 335 }, 336 .attach => { 337 const record = (try evt.readRecordSubset(evt.Attachment, struct { author_email: ?[]const u8, event: struct { parent_id: [evt.event_id_size * 2]u8 } }, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 338 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 339 if (!include_view_url) return item; 340 var parent_id: [evt.event_id_size]u8 = undefined; 341 _ = std.fmt.hexToBytes(&parent_id, &record.event.parent_id) catch return error.InvalidEventId; 342 const parent_kind = (try evt.readEventKind(hash_kind, kind_map, &parent_id)) orelse return item; 343 if (repo_event.threadRole(parent_kind) == null) return item; 344 const route = ui.RoutablePage.repoThreadCommentsRoute(parent_kind, identity, &record.event.parent_id, 0) orelse return item; 345 item.view_url = try route.toUrl(arena); 346 }, 347 .patch => { 348 const record = (try evt.readRecordSubset(evt.Patch, Authored, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 349 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 350 if (!include_view_url or repo_event.threadRole(.patch) == null) return item; 351 const route = ui.RoutablePage.repoThreadCommentsRoute(.patch, identity, item.id, 0) orelse return error.RouteTooLong; 352 item.view_url = try route.toUrl(arena); 353 }, 354 .patchrev => { 355 const record = (try evt.readRecordSubset(evt.PatchRev, Authored, DB, hash_kind, haxy_moment, arena, id)) orelse return null; 356 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 357 }, 358 } 359 return item; 360 } 361 362 pub const View = struct { 363 box: wgt.Box(ui.Widget), 364 data: *const Self, 365 session: *ui.Session, 366 detailed_index: [2]?usize, 367 368 const header_index = 0; 369 const content_index = 1; 370 const list_index = 0; 371 const detail_index = 1; 372 const list_max_width = 20; 373 const detail_min_width = 40; 374 375 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !View { 376 var outer = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .vert }); 377 errdefer outer.deinit(allocator); 378 379 var header_view = try Header.View.init(allocator, data, session); 380 errdefer header_view.deinit(allocator); 381 // a row taller than the header, leaving a blank line beneath it 382 try outer.children.put(allocator, header_view.getFocus().id, .{ .widget = .{ .repo_events_header = header_view }, .rect = null, .min_size = .{ .width = null, .height = 4 } }); 383 384 var content_stack = try wgt.Stack(ui.Widget).init(allocator); 385 errdefer content_stack.deinit(allocator); 386 inline for ([_]ui.RoutablePage.EventsView{ .active, .removed }) |view| { 387 var content_box = try initContent(allocator, data, session, view); 388 errdefer content_box.deinit(allocator); 389 try content_stack.children.put(allocator, content_box.getFocus().id, .{ .box = content_box }); 390 } 391 content_stack.getFocus().child_id = content_stack.children.keys()[@backingInt(data.view)]; 392 try outer.children.put(allocator, content_stack.getFocus().id, .{ .widget = .{ .stack = content_stack }, .rect = null, .min_size = null }); 393 outer.getFocus().child_id = outer.children.keys()[content_index]; 394 return .{ .box = outer, .data = data, .session = session, .detailed_index = .{ null, null } }; 395 } 396 397 fn initContent(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session, view: ui.RoutablePage.EventsView) !wgt.Box(ui.Widget) { 398 var content_box = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .horiz }); 399 errdefer content_box.deinit(allocator); 400 401 var list_box = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .vert, .stretch = true }); 402 errdefer list_box.deinit(allocator); 403 const event_window = data.window(view); 404 for (event_window.events) |event| { 405 const route = ui.RoutablePage.repoEventsRoute(data.identity, view, event.kind, event.id, data.moment) orelse return error.RouteTooLong; 406 const link = try session.page_arena.allocator().print("ai:{s}", .{try route.toUrl(session.page_arena)}); 407 try addRow(allocator, &list_box, @tagName(event.kind), link); 408 } 409 if (event_window.next) |next| { 410 const route = ui.RoutablePage.repoEventsRoute(data.identity, view, next.kind, next.id, data.moment) orelse return error.RouteTooLong; 411 const link = try session.page_arena.allocator().print("a:{s}", .{try route.toUrl(session.page_arena)}); 412 try addRow(allocator, &list_box, "next →", link); 413 } 414 if (list_box.children.count() > 0) list_box.getFocus().child_id = list_box.children.keys()[0]; 415 var list_scroll = try wgt.Scroll(ui.Widget).init(allocator, .{ .box = list_box }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 416 errdefer list_scroll.deinit(allocator); 417 try content_box.children.put(allocator, list_scroll.getFocus().id, .{ .widget = .{ .scroll = list_scroll }, .rect = null, .min_size = .{ .width = list_max_width, .height = null }, .max_size = .{ .width = list_max_width, .height = null } }); 418 419 var detail_box = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .vert }); 420 errdefer detail_box.deinit(allocator); 421 var detail_scroll = try wgt.Scroll(ui.Widget).init(allocator, .{ .box = detail_box }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 422 errdefer detail_scroll.deinit(allocator); 423 detail_scroll.getFocus().mode = .mouse; 424 try content_box.children.put(allocator, detail_scroll.getFocus().id, .{ .widget = .{ .scroll = detail_scroll }, .rect = null, .min_size = .{ .width = detail_min_width, .height = null } }); 425 426 content_box.getFocus().child_id = content_box.children.keys()[if (event_window.events.len > 0) detail_index else list_index]; 427 return content_box; 428 } 429 430 fn addRow(allocator: std.mem.Allocator, box: *wgt.Box(ui.Widget), text: []const u8, link: []const u8) !void { 431 var row = try wgt.TextBox.init(allocator, text, .{ .border = .hidden, .round_corners = true, .wrap_kind = .none }); 432 errdefer row.deinit(allocator); 433 row.getFocus().mode = .all; 434 row.getFocus().kind = .{ .custom = link }; 435 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .text_box = row }, .rect = null, .min_size = null }); 436 } 437 438 pub fn deinit(self: *View, allocator: std.mem.Allocator) void { 439 self.box.deinit(allocator); 440 } 441 442 fn header(self: *View) *Header.View { 443 return &self.box.children.values()[header_index].widget.repo_events_header; 444 } 445 446 fn contentStack(self: *View) *wgt.Stack(ui.Widget) { 447 return &self.box.children.values()[content_index].widget.stack; 448 } 449 450 fn selectedView(self: *View) ui.RoutablePage.EventsView { 451 const stack = self.contentStack(); 452 const id = stack.getFocus().child_id orelse return .active; 453 return @fromBackingInt(@intCast(stack.children.getIndex(id) orelse 0)); 454 } 455 456 fn eventWindow(self: *View) *const Window { 457 return self.data.window(self.selectedView()); 458 } 459 460 fn content(self: *View) *wgt.Box(ui.Widget) { 461 const stack = self.contentStack(); 462 return &stack.children.values()[@backingInt(self.selectedView())].box; 463 } 464 465 fn listScroll(self: *View) *wgt.Scroll(ui.Widget) { 466 return &self.content().children.values()[list_index].widget.scroll; 467 } 468 469 fn listBox(self: *View) *wgt.Box(ui.Widget) { 470 return &self.listScroll().child.box; 471 } 472 473 fn detailScroll(self: *View) *wgt.Scroll(ui.Widget) { 474 return &self.content().children.values()[detail_index].widget.scroll; 475 } 476 477 fn detailBox(self: *View) *wgt.Box(ui.Widget) { 478 return &self.detailScroll().child.box; 479 } 480 481 fn detailActive(self: *View) bool { 482 return self.content().getFocus().child_id == self.detailScroll().getFocus().id; 483 } 484 485 fn headerActive(self: *View) bool { 486 return self.box.getFocus().child_id == self.header().getFocus().id; 487 } 488 489 fn selectedEventIndex(self: *View) ?usize { 490 const id = self.listBox().getFocus().child_id orelse return null; 491 const index = self.listBox().children.getIndex(id) orelse return null; 492 return if (index < self.eventWindow().events.len) index else null; 493 } 494 495 pub fn build(self: *View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 496 self.clearGrid(); 497 if (self.header().getSelectedIndex()) |index| 498 self.contentStack().getFocus().child_id = self.contentStack().children.keys()[index]; 499 try self.refreshDetail(allocator); 500 501 const list = self.listBox(); 502 for (list.children.keys(), list.children.values()) |id, *child| switch (child.widget) { 503 .text_box => |*text_box| ui.widget.markSelected(text_box, list.getFocus().child_id == id), 504 else => {}, 505 }; 506 507 const both_fit = if (constraint.max_size.width) |width| width >= list_max_width + detail_min_width else true; 508 self.content().children.values()[list_index].max_size = if (both_fit) .{ .width = list_max_width, .height = null } else null; 509 const detail_width = if (constraint.max_size.width) |width| if (both_fit) width - list_max_width else width else detail_min_width; 510 self.content().children.values()[detail_index].min_size = .{ .width = detail_width, .height = null }; 511 for (self.detailBox().children.values()) |*child| child.max_size = .{ .width = detail_width -| 2, .height = null }; 512 513 try self.box.build(allocator, constraint, root_focus); 514 } 515 516 fn refreshDetail(self: *View, allocator: std.mem.Allocator) !void { 517 const index = self.selectedEventIndex() orelse return; 518 const detailed_index = &self.detailed_index[@backingInt(self.selectedView())]; 519 if (detailed_index.*) |old| if (old == index) return; 520 const box = self.detailBox(); 521 for (box.children.values()) |*child| child.widget.deinit(allocator); 522 box.children.clearAndFree(allocator); 523 box.getFocus().child_id = null; 524 525 const item = self.eventWindow().events[index]; 526 if (item.view_url) |url| { 527 var link = try wgt.TextBox.init(allocator, "view event", .{ .border = .single, .round_corners = true, .wrap_kind = .none }); 528 errdefer link.deinit(allocator); 529 link.getFocus().mode = .all; 530 link.getFocus().kind = .{ .custom = try self.session.page_arena.allocator().print("a:{s}", .{url}) }; 531 try box.children.put(allocator, link.getFocus().id, .{ .widget = .{ .text_box = link }, .rect = null, .min_size = null }); 532 } 533 { 534 var kind = try wgt.TextBox.init(allocator, @tagName(item.kind), .{ .border = .single, .round_corners = true, .wrap_kind = .word, .top_label = .{ .text = " kind " } }); 535 errdefer kind.deinit(allocator); 536 kind.getFocus().mode = .all; 537 try box.children.put(allocator, kind.getFocus().id, .{ .widget = .{ .text_box = kind }, .rect = null, .min_size = null }); 538 } 539 { 540 var author = try ui.authorBox(allocator, self.session.page_arena, item.author); 541 errdefer author.deinit(allocator); 542 try box.children.put(allocator, author.getFocus().id, .{ .widget = .{ .text_box = author }, .rect = null, .min_size = null }); 543 } 544 545 if (box.children.count() > 0) box.getFocus().child_id = box.children.keys()[0]; 546 self.detailScroll().x = 0; 547 self.detailScroll().y = 0; 548 self.detailScroll().getFocus().version +%= 1; 549 detailed_index.* = index; 550 } 551 552 pub fn input(self: *View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 553 // scrolling crosses the sub header boundary the same way arrows do 554 const direction = inp.vertDirection(key); 555 if (self.headerActive()) { 556 if (direction == .down) root_focus.setFocus(self.content().getFocus().id) else try self.header().input(allocator, key, root_focus); 557 return; 558 } 559 if (direction == .up and self.contentAtTop()) { 560 self.header().focusCurrent(root_focus); 561 return; 562 } 563 if (self.detailActive()) { 564 if (key == .arrow_left) { 565 root_focus.setFocus(self.listScroll().getFocus().id); 566 } else if (inp.rowDelta(key, @intCast(self.detailBox().children.count()))) |delta| { 567 ui.widget.moveRowFocus(self.detailBox(), self.detailScroll(), root_focus, delta); 568 } 569 } else if (inp.rowDelta(key, @intCast(self.listBox().children.count()))) |delta| { 570 ui.widget.moveRowFocus(self.listBox(), self.listScroll(), root_focus, delta); 571 } else switch (key) { 572 .arrow_right => if (self.detailBox().children.count() > 0) root_focus.setFocus(self.detailScroll().getFocus().id), 573 .enter => if (self.selectedEventIndex() != null) root_focus.setFocus(self.detailScroll().getFocus().id), 574 else => {}, 575 } 576 } 577 578 fn contentAtTop(self: *View) bool { 579 const box = if (self.detailActive()) self.detailBox() else self.listBox(); 580 const scroll = if (self.detailActive()) self.detailScroll() else self.listScroll(); 581 const id = box.getFocus().child_id orelse return true; 582 return box.children.getIndex(id) == 0 and scroll.y == 0; 583 } 584 585 pub fn atTop(self: *View) bool { 586 return self.headerActive(); 587 } 588 589 // arriving from the page's tabs lands on the sub header, not the content 590 pub fn focusHeader(self: *View, root_focus: *Focus) bool { 591 self.header().focusCurrent(root_focus); 592 return true; 593 } 594 595 pub fn clearGrid(self: *View) void { 596 self.box.clearGrid(); 597 } 598 599 pub fn getGrid(self: View) ?Grid { 600 return self.box.getGrid(); 601 } 602 603 pub fn getFocus(self: *View) *Focus { 604 return self.box.getFocus(); 605 } 606 }; 607 608 pub const Header = struct { 609 sync_status: ?[]const u8, 610 611 const nothing = "nothing to sync"; 612 const unsynced = "sync needed!"; 613 614 const Progress = struct { 615 message: *std.Io.Writer.Allocating, 616 617 pub fn run(self: @This(), _: std.Io, event: rp.ProgressEvent) !void { 618 switch (event) { 619 .text => |value| { 620 self.message.clearRetainingCapacity(); 621 try self.message.writer.writeAll(value); 622 }, 623 else => {}, 624 } 625 } 626 }; 627 628 pub fn local( 629 comptime repo_kind: rp.RepoKind, 630 comptime repo_opts: rp.RepoOpts(repo_kind), 631 aa: std.mem.Allocator, 632 repo: *rp.Repo(repo_kind, repo_opts), 633 io: std.Io, 634 failure: ?[]const u8, 635 ) !Header { 636 if (failure != null) return Header.empty(aa, failure); 637 const remote_name = (try remoteName(repo_kind, repo_opts, repo, io, aa)) orelse return .{ .sync_status = nothing }; 638 const remote_ref: rf.Ref = .{ .kind = .{ .remote = remote_name }, .name = evt.events_ref.name }; 639 const local_oid = (try repo.readRef(io, evt.events_ref)) orelse return .{ .sync_status = nothing }; 640 const remote_oid = (try repo.readRef(io, remote_ref)) orelse return .{ .sync_status = nothing }; 641 return .{ .sync_status = if (std.mem.eql(u8, &local_oid, &remote_oid)) nothing else unsynced }; 642 } 643 644 pub fn empty(aa: std.mem.Allocator, failure: ?[]const u8) !Header { 645 return .{ .sync_status = if (failure) |name| try aa.print("error: {s}", .{name}) else nothing }; 646 } 647 648 pub fn remote() Header { 649 return .{ .sync_status = null }; 650 } 651 652 pub const View = struct { 653 box: wgt.Box(ui.Widget), 654 session: *ui.Session, 655 tab_ids: [2]usize, 656 // the tab stays selected while the sync button has focus 657 selected_tab: usize, 658 button_id: ?usize, 659 660 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !Header.View { 661 var box = try wgt.Box(ui.Widget).init(allocator, .{ .border = null, .direction = .horiz }); 662 errdefer box.deinit(allocator); 663 var tab_ids: [2]usize = undefined; 664 const view_labels = [_][]const u8{ active_tab_label, removed_tab_label }; 665 inline for ([_]ui.RoutablePage.EventsView{ .active, .removed }, view_labels, 0..) |view, view_label, i| { 666 const route = ui.RoutablePage.repoEventsRoute(data.identity, view, null, "", data.moment) orelse return error.RouteTooLong; 667 const count = data.window(view).count; 668 var label_buf: [64]u8 = undefined; 669 const label = try std.fmt.bufPrint(&label_buf, "{s} ({d})", .{ view_label, count }); 670 var tab = try wgt.TextBox.init(allocator, label, .{ .border = .hidden, .round_corners = true, .wrap_kind = .none }); 671 errdefer tab.deinit(allocator); 672 tab.getFocus().mode = .all; 673 const selected = std.meta.activeTag(session.data.current_page) == .repo_events and data.view == view; 674 tab.getFocus().kind = .{ .custom = try ui.inPageTabLink(session, route, selected) }; 675 tab_ids[i] = tab.getFocus().id; 676 try box.children.put(allocator, tab.getFocus().id, .{ .widget = .{ .text_box = tab }, .rect = null, .min_size = .{ .width = label.len + 2, .height = null } }); 677 } 678 679 // pushes the sync button and status to the right 680 { 681 var spacer = try ui.widget.Spacer.init(allocator); 682 errdefer spacer.deinit(allocator); 683 try box.children.put(allocator, spacer.getFocus().id, .{ .widget = .{ .spacer = spacer }, .rect = null, .min_size = null, .flex = .grow }); 684 } 685 686 var button_id: ?usize = null; 687 if (data.header.sync_status != null) { 688 box.getFocus().kind = .{ .custom = "form:/sync" }; 689 var button = try wgt.TextBox.init(allocator, "sync", .{ .border = .single, .round_corners = true, .wrap_kind = .none }); 690 errdefer button.deinit(allocator); 691 button.getFocus().mode = .all; 692 button.getFocus().kind = .{ .custom = "submit" }; 693 button_id = button.getFocus().id; 694 try box.children.put(allocator, button.getFocus().id, .{ .widget = .{ .text_box = button }, .rect = null, .min_size = null }); 695 } 696 697 if (data.header.sync_status) |status_text| { 698 var status = try wgt.TextBox.init(allocator, status_text, .{ .border = .hidden, .wrap_kind = .none }); 699 errdefer status.deinit(allocator); 700 try box.children.put(allocator, status.getFocus().id, .{ .widget = .{ .text_box = status }, .rect = null, .min_size = null, .flex = .shrink }); 701 } 702 box.getFocus().child_id = tab_ids[@backingInt(data.view)]; 703 return .{ .box = box, .session = session, .tab_ids = tab_ids, .selected_tab = @backingInt(data.view), .button_id = button_id }; 704 } 705 706 pub fn deinit(self: *Header.View, allocator: std.mem.Allocator) void { 707 self.box.deinit(allocator); 708 } 709 710 pub fn build(self: *Header.View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 711 self.clearGrid(); 712 if (self.getSelectedIndex()) |index| self.selected_tab = index; 713 for (self.tab_ids, 0..) |id, index| { 714 const child = self.box.children.getPtr(id) orelse continue; 715 const tab = switch (child.widget) { 716 .text_box => |*text_box| text_box, 717 else => continue, 718 }; 719 ui.widget.markSelected(tab, index == self.selected_tab); 720 } 721 try self.box.build(allocator, constraint, root_focus); 722 } 723 724 pub fn input(self: *Header.View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 725 const selected = self.box.getFocus().child_id orelse return; 726 const stops = [_]?usize{ self.tab_ids[0], self.tab_ids[1], self.button_id }; 727 const count = 2 + @as(usize, @intFromBool(self.button_id != null)); 728 const current = std.mem.indexOfScalar(?usize, stops[0..count], selected) orelse return; 729 if (inp.moveTab(key, current, count)) |next| { 730 root_focus.setFocus(stops[next] orelse unreachable); 731 return; 732 } 733 switch (key) { 734 .enter => if (self.syncFocused()) try self.requestSync(allocator), 735 .mouse => |mouse| if (self.button_id) |id| if (inp.leftClickOn(root_focus, id, mouse)) try self.requestSync(allocator), 736 else => {}, 737 } 738 } 739 740 fn requestSync(self: *Header.View, allocator: std.mem.Allocator) !void { 741 if (!self.session.is_terminal) return; 742 if (self.session.host_request != null) return; 743 const button_id = self.button_id orelse return; 744 const child = self.box.children.getPtr(button_id) orelse return; 745 const button = switch (child.widget) { 746 .text_box => |*button| button, 747 else => return, 748 }; 749 try button.setContent(allocator, "syncing..."); 750 self.session.host_request = .sync_events; 751 } 752 753 fn syncFocused(self: *Header.View) bool { 754 const button_id = self.button_id orelse return false; 755 return self.box.getFocus().child_id == button_id; 756 } 757 758 pub fn getSelectedIndex(self: *Header.View) ?usize { 759 const id = self.box.getFocus().child_id orelse return null; 760 return std.mem.indexOfScalar(usize, &self.tab_ids, id); 761 } 762 763 pub fn focusCurrent(self: *Header.View, root_focus: *Focus) void { 764 root_focus.setFocus(self.box.getFocus().child_id orelse self.tab_ids[0]); 765 } 766 767 pub fn clearGrid(self: *Header.View) void { 768 self.box.clearGrid(); 769 } 770 771 pub fn getGrid(self: Header.View) ?Grid { 772 return self.box.getGrid(); 773 } 774 775 pub fn getFocus(self: *Header.View) *Focus { 776 return self.box.getFocus(); 777 } 778 }; 779 }; 780 781 pub fn performSync(allocator: std.mem.Allocator, session: *ui.Session) !void { 782 if (comptime builtin.target.cpu.arch == .wasm32) return; 783 const io = session.io orelse return; 784 const source = session.local orelse return; 785 defer session.refresh_requested = true; 786 const failure = sync(io, allocator, source) catch |err| { 787 session.data.sync_failure = @errorName(err); 788 return; 789 }; 790 if (failure) |message| { 791 defer allocator.free(message); 792 session.data.sync_failure = try session.arena.allocator().dupe(u8, message); 793 return; 794 } 795 session.data.sync_failure = null; 796 switch (session.data.current_page) { 797 .repo_events => |route| { 798 if (ui.RoutablePage.repoEventsRoute(route.name.slice(), route.view, null, "", route.moment)) |first| 799 session.data.current_page = first; 800 }, 801 else => {}, 802 } 803 } 804 805 fn remoteName( 806 comptime repo_kind: rp.RepoKind, 807 comptime repo_opts: rp.RepoOpts(repo_kind), 808 repo: *rp.Repo(repo_kind, repo_opts), 809 io: std.Io, 810 allocator: std.mem.Allocator, 811 ) !?[]u8 { 812 var remotes = try repo.listRemotes(io, allocator); 813 defer remotes.deinit(); 814 const names = remotes.sections.keys(); 815 if (names.len == 0) return null; 816 for (names) |name| { 817 const remote_ref: rf.Ref = .{ .kind = .{ .remote = name }, .name = evt.events_ref.name }; 818 if (try repo.readRef(io, remote_ref) != null) return try allocator.dupe(u8, name); 819 } 820 return try allocator.dupe(u8, names[0]); 821 } 822 823 fn isLoopbackSshUrl(url: []const u8) bool { 824 const uri = std.Uri.parse(url) catch return false; 825 const host = switch (uri.host orelse return false) { 826 .raw => |value| value, 827 .percent_encoded => |value| value, 828 }; 829 return std.mem.eql(u8, host, "localhost") or 830 std.mem.eql(u8, host, "127.0.0.1") or 831 std.mem.eql(u8, host, "::1") or 832 std.mem.eql(u8, host, "[::1]"); 833 } 834 835 pub fn sync(io: std.Io, allocator: std.mem.Allocator, source: ui.RepoSource) !?[]u8 { 836 var message: std.Io.Writer.Allocating = .init(allocator); 837 defer message.deinit(); 838 839 switch (source.repo_kind) { 840 inline else => |repo_kind| { 841 var any_repo = try rp.AnyRepo(repo_kind, .{ .ProgressCtx = Header.Progress }).open(io, allocator, source.localInitOpts()); 842 defer any_repo.deinit(io, allocator); 843 switch (any_repo) { 844 inline else => |*repo| { 845 const repo_opts = repo.self_repo_opts; 846 const remote_name = (try remoteName(repo_kind, repo_opts, repo, io, allocator)) orelse return error.RemoteNotFound; 847 defer allocator.free(remote_name); 848 849 var config = try repo.listConfig(io, allocator); 850 defer config.deinit(); 851 const configured_ssh = if (config.sections.get("core")) |core| core.get("sshcommand") else null; 852 const ssh = if (configured_ssh) |command| if (command.len > 0) command else "ssh" else "ssh"; 853 const remote_section = try allocator.print("remote.{s}", .{remote_name}); 854 defer allocator.free(remote_section); 855 const remote_config = config.sections.get(remote_section) orelse return error.RemoteNotFound; 856 const fetch_url = remote_config.get("url") orelse return error.UrlNotFound; 857 const push_url = remote_config.get("pushurl") orelse fetch_url; 858 const loopback_opts = " -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null"; 859 const fetch_ssh_command = try allocator.print("{s}{s} -o BatchMode=yes -o LogLevel=QUIET", .{ ssh, if (isLoopbackSshUrl(fetch_url)) loopback_opts else "" }); 860 defer allocator.free(fetch_ssh_command); 861 const push_ssh_command = try allocator.print("{s}{s} -o BatchMode=yes -o LogLevel=QUIET", .{ ssh, if (isLoopbackSshUrl(push_url)) loopback_opts else "" }); 862 defer allocator.free(push_ssh_command); 863 const fetch_transport_opts: xit.net.Opts(repo_opts.ProgressCtx) = .{ .progress_ctx = .{ .message = &message }, .wire = .{ .ssh = .{ .command = fetch_ssh_command } } }; 864 const push_transport_opts: xit.net.Opts(repo_opts.ProgressCtx) = .{ .progress_ctx = .{ .message = &message }, .wire = .{ .ssh = .{ .command = push_ssh_command } } }; 865 866 const fetch_refspec = try allocator.print("+refs/heads/{s}:refs/remotes/{s}/{s}", .{ evt.events_ref.name, remote_name, evt.events_ref.name }); 867 defer allocator.free(fetch_refspec); 868 var fetch_opts = fetch_transport_opts; 869 fetch_opts.refspecs = &.{fetch_refspec}; 870 message.clearRetainingCapacity(); 871 repo.fetch(io, allocator, remote_name, fetch_opts) catch |err| { 872 if (err == error.ServerReportedError and message.written().len != 0) return try allocator.dupe(u8, message.written()); 873 return err; 874 }; 875 876 const remote_ref: rf.Ref = .{ .kind = .{ .remote = remote_name }, .name = evt.events_ref.name }; 877 const local_oid = try repo.readRef(io, evt.events_ref); 878 const remote_oid = try repo.readRef(io, remote_ref); 879 if (local_oid == null and remote_oid == null) { 880 try evt.consume(.local, .repo, repo_kind, repo_opts, io, allocator, repo, evt.events_ref, &.{}); 881 return null; 882 } 883 if (remote_oid != null) try evt.mergeEvents(repo_kind, repo_opts, io, allocator, repo, remote_ref); 884 try evt.consume(.local, .repo, repo_kind, repo_opts, io, allocator, repo, evt.events_ref, &.{}); 885 886 const push_refspec = try allocator.print("refs/heads/{s}:refs/heads/{s}", .{ evt.events_ref.name, evt.events_ref.name }); 887 defer allocator.free(push_refspec); 888 message.clearRetainingCapacity(); 889 repo.push(io, allocator, remote_name, push_refspec, false, push_transport_opts) catch |err| { 890 if (err == error.ServerReportedError and message.written().len != 0) return try allocator.dupe(u8, message.written()); 891 return err; 892 }; 893 message.clearRetainingCapacity(); 894 repo.fetch(io, allocator, remote_name, fetch_opts) catch |err| { 895 if (err == error.ServerReportedError and message.written().len != 0) return try allocator.dupe(u8, message.written()); 896 return err; 897 }; 898 }, 899 } 900 }, 901 } 902 return null; 903 } 904