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Pick any line to see why it is the way it is: the commit, the pull request and issue it came from, and what the agent was thinking.

The keeper reads Cloudflare as it really answers1import {
2 ArrowUpRight,
3 CircleDot,
4 GitCommitHorizontal,
5 GitPullRequest,
6 MessagesSquare,
7 Sparkles,
8 Terminal,
9 X,
10} from "lucide-react";
11import { Fragment, useEffect, useMemo, useState } from "react";
12import { Link, useFetcher } from "react-router";
13
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)14import type { ShownBlame, ShownCommit } from "../lib/commit-people";
The keeper reads Cloudflare as it really answers15
16import type { loader as whyLoader } from "../routes/repo/why";
17import { repoAt } from "../lib/markdown-plugins";
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)18import { CommitAvatars, CommitNames } from "./commit-person";
The keeper reads Cloudflare as it really answers19import { Markdown } from "./markdown";
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)20import { TimeAgo } from "./ui";
The site is built from its shared components: one Button with its variants and sizes, one Badge, Card for every panel, Alert for notices, Kbd for keys, Table for the security tables, and Avatar, Command, Progress, ScrollArea, ToggleGroup, Collapsible and Accordion in the kit; raw buttons, hand-drawn cards and pills and per-file button class lists are gone, outline buttons stand the same height as filled ones, and the phone's Ask g1t loses its tile. Every page was compared pixel by pixel before and after.21import { Button } from "./ui/button";
Fast pages, required checks on the branch, self-hosted runners, honest incidents22import { Skeleton } from "./ui/skeleton";
The keeper reads Cloudflare as it really answers23
24/**
25 * A file with, beside each run of lines, the commit that last changed it.
26 * Picking a line opens why it is the way it is: the commit, the pull
27 * request and issue it came from, and what the agent was thinking.
28 */
29export function BlameView({
30 base,
31 path,
32 lines,
33 html,
34 blame,
35}: {
36 base: string;
37 path: string;
38 lines: string[];
39 /** Highlighted HTML per line, when the language is known. */
40 html: string[] | null;
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)41 blame: ShownBlame;
The keeper reads Cloudflare as it really answers42}) {
43 const commits = useMemo(
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)44 () => new Map<string, ShownCommit>(blame.commits.map((commit) => [commit.hash, commit])),
The keeper reads Cloudflare as it really answers45 [blame.commits],
46 );
47 // Newer commits are brighter: rank them by when they were written.
48 const age = useMemo(() => {
49 const sorted = [...blame.commits].sort((a, b) => b.authoredAt.localeCompare(a.authoredAt));
50 const rank = new Map(sorted.map((commit, index) => [commit.hash, index]));
51 return (hash: string) => 1 - (rank.get(hash) ?? 0) / Math.max(sorted.length, 1);
52 }, [blame.commits]);
53 // The run of lines picked, and the line clicked, under which the
54 // explanation opens.
55 const [picked, setPicked] = useState<{ commit: string; start: number; end: number; line: number } | null>(
56 null,
57 );
58 const [hovered, setHovered] = useState<string | null>(null);
59 const why = useFetcher<typeof whyLoader>();
60
61 useEffect(() => {
62 if (!picked) return;
63 why.load(`${base}/why/${picked.commit}?path=${encodeURIComponent(path)}`);
64 // `why` changes identity as it loads; the pick is what matters.
65 // eslint-disable-next-line react-hooks/exhaustive-deps
66 }, [picked?.commit, base, path]);
67
68 // A line named in the address is picked on arrival: `#L12`.
69 useEffect(() => {
70 const match = /^#L(\d+)$/.exec(window.location.hash);
71 if (!match) return;
72 const line = Number(match[1]);
73 const range = blame.ranges.find((r) => r.start <= line && line <= r.end);
74 if (range) {
75 setPicked({ ...range, line });
76 document.getElementById(`L${line}`)?.scrollIntoView({ block: "center" });
77 }
78 }, [blame.ranges]);
79
80 const pick = (start: number, end: number, commit: string, line: number) => {
81 // Clicking the open line again closes it.
82 if (picked?.line === line) {
83 close();
84 return;
85 }
86 setPicked({ commit, start, end, line });
87 window.history.replaceState(null, "", `#L${line}`);
88 };
89 const close = () => {
90 setPicked(null);
91 window.history.replaceState(null, "", window.location.pathname + window.location.search);
92 };
93
94 return (
95 <div>
96 <p className="flex items-center gap-2 border-b border-line px-4 py-2 text-xs text-muted">
Merge branch 'worktree-agent-ad7c6d88d93adc817'97 <Sparkles size={13} className="text-accent" />
The keeper reads Cloudflare as it really answers98 Pick any line to see why it is the way it is: the commit, the pull request and issue it
99 came from, and what the agent was thinking.
100 </p>
101 <div className="overflow-x-auto">
102 <table className="w-full border-collapse font-mono text-[0.8125rem] leading-6">
103 <tbody>
104 {blame.ranges.map((range) => {
105 const commit = commits.get(range.commit);
106 const selected = picked?.commit === range.commit;
107 const lit = hovered === range.commit;
108 const bright = age(range.commit);
109 const rows = [];
110 for (let line = range.start; line <= range.end; line++) {
111 const first = line === range.start;
112 rows.push(
113 <tr
114 key={line}
115 id={`L${line}`}
116 onMouseEnter={() => setHovered(range.commit)}
117 onMouseLeave={() => setHovered(null)}
118 onClick={() => pick(range.start, range.end, range.commit, line)}
119 className={`cursor-pointer transition-colors ${
120 selected ? "bg-accent/[0.07]" : lit ? "bg-raised/50" : ""
121 } ${first ? "border-t border-line" : ""}`}
122 >
123 <td className="w-72 max-w-72 border-r border-line px-3 align-top font-sans">
124 {first && commit && (
125 <span className="flex items-center gap-2 py-0.5 text-xs">
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)126 <CommitAvatars commit={commit} size={16} max={2} />
The keeper reads Cloudflare as it really answers127 <span className={`min-w-0 grow truncate ${selected ? "text-fg" : "text-muted"}`}>
128 {commit.message.split("\n")[0]}
129 </span>
130 <span className="shrink-0 text-faint">
131 <TimeAgo at={commit.authoredAt} />
132 </span>
133 </span>
134 )}
135 </td>
136 <td className="w-1 p-0" aria-hidden="true">
137 <span
138 className="block h-6 w-0.5 bg-accent"
139 style={{ opacity: 0.15 + bright * 0.85 }}
140 />
141 </td>
142 <td className="w-12 px-2 text-right text-faint select-none">{line}</td>
143 <td className="pr-4 pl-2 whitespace-pre">
144 {html?.[line - 1] != null ? (
145 <span dangerouslySetInnerHTML={{ __html: html[line - 1] || " " }} />
146 ) : (
147 lines[line - 1] || " "
148 )}
149 </td>
150 </tr>,
151 );
152 // The explanation opens right under the line clicked.
153 if (picked?.line === line) {
154 rows.push(
155 <tr key={`why-${line}`}>
156 <td colSpan={4} className="border-y border-line bg-bg/60 px-3 py-3 font-sans whitespace-normal md:pl-80">
Merge branch 'worktree-agent-ad7c6d88d93adc817'157 <div className="max-w-2xl overflow-hidden rounded-xl border border-accent/30 bg-surface shadow-xl shadow-black/40">
The keeper reads Cloudflare as it really answers158 <WhyPanel
159 base={base}
160 picked={picked}
161 loading={why.state === "loading"}
162 data={why.data}
163 onClose={close}
164 />
165 </div>
166 </td>
167 </tr>,
168 );
169 }
170 }
171 return <Fragment key={range.start}>{rows}</Fragment>;
172 })}
173 </tbody>
174 </table>
175 {blame.partial && (
176 <p className="border-t border-line px-4 py-2 text-xs text-faint">
177 This file's history is long; its oldest lines are credited to the oldest commit read.
178 </p>
179 )}
180 </div>
181 </div>
182 );
183}
184
185type WhyData = Awaited<ReturnType<typeof whyLoader>>;
186
187function WhyPanel({
188 base,
189 picked,
190 loading,
191 data,
192 onClose,
193}: {
194 base: string;
195 picked: { commit: string; start: number; end: number; line: number };
196 loading: boolean;
197 data: WhyData | undefined;
198 onClose: () => void;
199}) {
200 const current = data && data.commit.hash === picked.commit ? data : null;
201 return (
202 <div>
203 <header className="flex items-center gap-2 border-b border-line px-4 py-3">
Merge branch 'worktree-agent-ad7c6d88d93adc817'204 <Sparkles size={15} className="text-accent" />
The keeper reads Cloudflare as it really answers205 <span className="grow text-sm font-medium">
206 Why line{picked.start === picked.end ? ` ${picked.start}` : `s ${picked.start}–${picked.end}`}
207 </span>
The site is built from its shared components: one Button with its variants and sizes, one Badge, Card for every panel, Alert for notices, Kbd for keys, Table for the security tables, and Avatar, Command, Progress, ScrollArea, ToggleGroup, Collapsible and Accordion in the kit; raw buttons, hand-drawn cards and pills and per-file button class lists are gone, outline buttons stand the same height as filled ones, and the phone's Ask g1t loses its tile. Every page was compared pixel by pixel before and after.208 <Button
The keeper reads Cloudflare as it really answers209 type="button"
210 onClick={onClose}
211 aria-label="Close"
The site is built from its shared components: one Button with its variants and sizes, one Badge, Card for every panel, Alert for notices, Kbd for keys, Table for the security tables, and Avatar, Command, Progress, ScrollArea, ToggleGroup, Collapsible and Accordion in the kit; raw buttons, hand-drawn cards and pills and per-file button class lists are gone, outline buttons stand the same height as filled ones, and the phone's Ask g1t loses its tile. Every page was compared pixel by pixel before and after.212 variant="ghost"
213 size="inline"
214 className="rounded p-1 text-faint"
The keeper reads Cloudflare as it really answers215 >
216 <X size={14} />
The site is built from its shared components: one Button with its variants and sizes, one Badge, Card for every panel, Alert for notices, Kbd for keys, Table for the security tables, and Avatar, Command, Progress, ScrollArea, ToggleGroup, Collapsible and Accordion in the kit; raw buttons, hand-drawn cards and pills and per-file button class lists are gone, outline buttons stand the same height as filled ones, and the phone's Ask g1t loses its tile. Every page was compared pixel by pixel before and after.217 </Button>
The keeper reads Cloudflare as it really answers218 </header>
219 {!current ? (
220 <div className="space-y-3 p-4" aria-busy={loading}>
221 {[70, 90, 55].map((width) => (
Fast pages, required checks on the branch, self-hosted runners, honest incidents222 <Skeleton key={width} className="h-3" style={{ width: `${width}%` }} />
The keeper reads Cloudflare as it really answers223 ))}
224 </div>
225 ) : (
226 <div className="divide-y divide-line text-sm">
227 <section className="p-4">
228 <p className="flex items-center gap-1.5 text-xs text-faint">
229 <GitCommitHorizontal size={13} />
230 Last changed in
231 </p>
232 <Link
233 to={`${base}/commit/${current.commit.hash}`}
234 className="mt-1.5 block font-medium hover:text-accent"
235 >
236 {current.commit.message.split("\n")[0]}
237 </Link>
238 <p className="mt-1.5 flex items-center gap-2 text-xs text-muted">
Merge commit authors and hovercards: commits show their accounts, every name opens a card (repos 0016)239 <CommitAvatars commit={current.commit} size={14} />
240 <CommitNames commit={current.commit} className="text-fg" /> · <TimeAgo at={current.commit.authoredAt} /> ·{" "}
The keeper reads Cloudflare as it really answers241 <span className="font-mono">{current.commit.hash.slice(0, 7)}</span>
242 </p>
243 </section>
244
245 {current.pull ? (
246 <section className="p-4">
247 <p className="flex items-center gap-1.5 text-xs text-faint">
248 <GitPullRequest size={13} />
249 Arrived in
250 </p>
251 <Link
252 to={`${base}/pull/${current.pull.number}`}
253 className="mt-1.5 block font-medium hover:text-accent"
254 >
255 {current.pull.title} <span className="font-normal text-faint">#{current.pull.number}</span>
256 </Link>
257 <p className="mt-1.5 flex flex-wrap items-center gap-x-2 gap-y-1 text-xs text-muted">
258 {current.pull.runtime === "hosted" ? (
g1t is one name: its agent's work, commits and comments show as @g1t, and nobody can claim g1t or g1t-agent259 <>
Merge branch 'worktree-agent-ad7c6d88d93adc817'260 <span className="flex items-center gap-1 text-accent">
g1t is one name: its agent's work, commits and comments show as @g1t, and nobody can claim g1t or g1t-agent261 <Sparkles size={11} />
262 written by {current.pull.agent}
263 </span>
g1t is the stored author of what it opens; the person who asked is requested_by and keeps the author's rights264 {current.pull.requestedBy && <span>for {current.pull.requestedBy}</span>}
g1t is one name: its agent's work, commits and comments show as @g1t, and nobody can claim g1t or g1t-agent265 </>
The keeper reads Cloudflare as it really answers266 ) : (
267 <span>by {current.pull.author} with {current.pull.agent}</span>
268 )}
269 {current.pull.mergedBy && <span>· merged by {current.pull.mergedBy}</span>}
270 </p>
271 </section>
272 ) : (
273 <section className="p-4 text-xs text-muted">
274 Pushed straight to the branch, not through a pull request, so there is no
275 conversation behind it.
276 </section>
277 )}
278
279 {current.issue && (
280 <section className="p-4">
281 <p className="flex items-center gap-1.5 text-xs text-faint">
282 <CircleDot size={13} />
283 What was asked for
284 </p>
285 <Link
286 to={`${base}/issues/${current.issue.number}`}
287 className="mt-1.5 block font-medium hover:text-accent"
288 >
289 {current.issue.title} <span className="font-normal text-faint">#{current.issue.number}</span>
290 </Link>
291 {current.issue.body && (
292 <div className="mt-2 max-h-48 overflow-hidden text-muted [&_*]:text-[0.8125rem]! [&_*]:leading-5! mask-[linear-gradient(to_bottom,black_70%,transparent)]">
293 <Markdown source={current.issue.body} repo={repoAt(base)} />
294 </div>
295 )}
296 </section>
297 )}
298
299 {current.steps.length > 0 && current.pull && (
300 <section className="p-4">
301 <p className="flex items-center gap-1.5 text-xs text-faint">
302 <MessagesSquare size={13} />
303 In the agent's words
304 </p>
305 {current.steps
306 .filter((step) => step.kind === "message")
307 .map((step) => (
308 <blockquote
309 key={step.seq}
Merge branch 'worktree-agent-ad7c6d88d93adc817'310 className="mt-3 border-l-2 border-accent/50 pl-3 text-[0.8125rem] whitespace-pre-line text-fg/90"
The keeper reads Cloudflare as it really answers311 >
312 {step.text}
313 </blockquote>
314 ))}
315 {current.steps.some((step) => step.kind === "tool_call") && (
316 <details className="group mt-3">
317 <summary className="cursor-pointer text-xs text-muted hover:text-fg">
318 What it ran ({current.steps.filter((step) => step.kind === "tool_call").length})
319 </summary>
320 <ol className="mt-2 space-y-1.5">
321 {current.steps
322 .filter((step) => step.kind === "tool_call")
323 .map((step) => (
324 <li key={step.seq} className="flex items-start gap-1.5 font-mono text-xs text-muted">
325 <Terminal size={12} className="mt-0.5 shrink-0" />
326 <span className="line-clamp-2 break-all">
327 <span className="text-fg">{step.tool}</span> {step.text.split("\n")[0]}
328 </span>
329 </li>
330 ))}
331 </ol>
332 </details>
333 )}
334 <Link
335 to={`${base}/pull/${current.pull.number}?tab=session`}
336 className="mt-4 inline-flex items-center gap-1 text-xs text-accent hover:underline"
337 >
338 The whole session
339 <ArrowUpRight size={12} />
340 </Link>
341 </section>
342 )}
343 </div>
344 )}
345 </div>
346 );
347}

This file's history is long; its oldest lines are credited to the oldest commit read.