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// jj-log.typ — Typst document that renders jj log JSON output
//
// Usage:
// jj log -r '::@' --no-graph \
// -T '{"commit": ' ++ json(self) ++ ', "bookmarks": ' ++ json(local_bookmarks) ++ ', "empty": ' ++ if(empty, "true", "false") ++ ', "conflict": ' ++ if(conflict, "true", "false") ++ ', "root": ' ++ if(root, "true", "false") ++ '}\n' \
// > log.json
// typst compile jj-log.typ --input data=log.json
#let data-path = sys.inputs.at("data", default: "log.json")
#let raw-text = read(data-path)
#let lines = raw-text.split("\n").filter(l => l.trim() != "")
#let commits = lines.map(l => json(bytes(l)))
// Filter out root commit
#let commits = commits.filter(c => not c.root)
// --- Helpers ---
#let mono(body) = text(font: "DejaVu Sans Mono", size: 0.85em, body)
#let short(hash) = hash.slice(0, 8)
#let tag-pill(name, color: rgb("#4a6fa5")) = {
box(
fill: color.lighten(75%),
stroke: 0.5pt + color,
radius: 3pt,
inset: (x: 4pt, y: 2pt),
text(size: 0.8em, font: "DejaVu Sans Mono", fill: color, weight: "bold", name),
)
}
#let format-date(ts) = {
// timestamp is ISO 8601, e.g. "2026-03-27T14:22:35-03:00"
// extract date + time portion
let date-part = ts.slice(0, 10)
let time-part = ts.slice(11, 16)
date-part + " " + time-part
}
// Collect all bookmarks across commits
#let all-bookmarks = commits.map(c => {
c.bookmarks.map(b => (name: b.name, commit: short(c.commit.commit_id), change: short(c.commit.change_id), desc: c.commit.description.trim()))
}).flatten()
// --- Page setup ---
#set page(paper: "a4", margin: 2cm)
#set text(font: "DejaVu Sans", size: 10pt)
#set par(leading: 0.6em)
// --- Title ---
#align(center)[
#text(size: 18pt, weight: "bold")[jj ancestor log]
#v(0.3em)
#text(size: 9pt, fill: gray)[
#commits.len() commits #h(1em)
#all-bookmarks.len() bookmarks #h(1em)
newest → oldest
]
]
#v(1em)
// --- Bookmarks index ---
#if all-bookmarks.len() > 0 [
== Bookmarks
#for bm in all-bookmarks [
- #tag-pill(bm.name) #h(0.5em) at #mono(bm.commit) — #emph(bm.desc)
]
#v(1em)
]
// --- Commit log table ---
== Commit History
#table(
columns: (auto, auto, 1fr, auto),
align: (center, center, left, right),
stroke: 0.4pt + luma(200),
inset: 6pt,
// Header
table.header(
text(weight: "bold")[Change],
text(weight: "bold")[Commit],
text(weight: "bold")[Description],
text(weight: "bold")[Date],
),
// Rows — newest to oldest (jj log default order with ::@)
..commits.map(c => {
let bookmarks = c.bookmarks.map(b => tag-pill(b.name))
let is-empty = c.empty
let has-conflict = c.conflict
let desc = c.commit.description.trim()
if desc == "" { desc = "(no description)" }
let badges = {
if is-empty { tag-pill("empty", color: rgb("#999")) }
if has-conflict { tag-pill("conflict", color: rgb("#c44")) }
}
(
mono(short(c.commit.change_id)),
mono(short(c.commit.commit_id)),
[
#desc
#if bookmarks.len() > 0 { h(0.5em); bookmarks.join(h(0.3em)) }
#badges
],
text(size: 0.85em, fill: luma(100), format-date(c.commit.author.timestamp)),
)
}).flatten(),
)
// --- Detailed list ---
#v(1.5em)
== Commit Details
#for (i, c) in commits.enumerate() [
#let desc = c.commit.description.trim()
#if desc == "" { desc = "(no description)" }
#let bookmarks = c.bookmarks.map(b => tag-pill(b.name))
#block(
width: 100%,
inset: 8pt,
radius: 4pt,
stroke: 0.3pt + luma(200),
fill: if calc.even(i) { luma(252) } else { white },
)[
#grid(
columns: (auto, 1fr),
column-gutter: 1em,
row-gutter: 0.4em,
text(fill: luma(120), size: 0.85em)[change:], mono(short(c.commit.change_id)),
text(fill: luma(120), size: 0.85em)[commit:], mono(short(c.commit.commit_id)),
text(fill: luma(120), size: 0.85em)[author:], [#c.commit.author.name #text(fill: luma(120))[\<#c.commit.author.email\>]],
text(fill: luma(120), size: 0.85em)[date:], format-date(c.commit.author.timestamp),
..if bookmarks.len() > 0 {(
text(fill: luma(120), size: 0.85em)[bookmarks:],
bookmarks.join(h(0.3em)),
)},
)
#v(0.3em)
#text(weight: "bold", size: 1.05em, desc)
#if c.empty [ #text(fill: luma(150), size: 0.85em)[\[empty\]] ]
#if c.conflict [ #text(fill: rgb("#c44"), size: 0.85em)[\[conflict\]] ]
]
#v(0.5em)
]
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