2 files changed, 109 insertions, 0 deletions
diff --git a/trees/index.typst b/trees/index.typst
index 48570bd..ba426eb 100644
--- a/trees/index.typst
+++ b/trees/index.typst
@@ -30,3 +30,7 @@ My hobbies include, in no particular order:
 == Blog posts
 
 - #local("googlectf-2025")
+
+== Meta
+
+- #local("jj-log")
diff --git a/trees/jj-log.typst b/trees/jj-log.typst
new file mode 100644
index 0000000..814cedb
--- /dev/null
+++ b/trees/jj-log.typst
@@ -0,0 +1,105 @@
+#import "_lib/kodama.typ": *
+#show: kodama
+
+#let raw-text = read("_data/jj-log.json")
+#let lines = raw-text.split("\n").filter(l => l.trim() != "")
+#let commits = lines.map(l => json(bytes(l)))
+#let commits = commits.filter(c => not c.root)
+
+// Title is the shortest unique change id of the working copy (first commit)
+#let wc-short = commits.at(0).short_change
+#metadata(("title": wc-short))
+
+// --- Helpers ---
+
+#let body = raw(body)
+#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, weight: "bold", raw(name)),
+  )
+}
+
+#let format-date(ts) = {
+  let date-part = ts.slice(0, 10)
+  let time-part = ts.slice(11, 16)
+  date-part + " " + time-part
+}
+
+#let all-bookmarks = (
+  commits
+    .map(c => {
+      c.bookmarks.map(b => (
+        name: b.name,
+        change: c.short_change,
+        commit: c.short_commit,
+        desc: c.commit.description.trim(),
+      ))
+    })
+    .flatten()
+)
+
+#text(size: 0.9em, fill: luma(120))[
+  #commits.len() commits #h(0.5em) | #h(0.5em)
+  #all-bookmarks.len() bookmarks #h(0.5em) | #h(0.5em)
+  newest #sym.arrow oldest
+]
+
+== Bookmarks
+
+#if all-bookmarks.len() > 0 [
+  #for bm in all-bookmarks [
+    - #tag-pill(bm.name) #h(0.3em) at #bm.change — #emph(bm.desc)
+  ]
+] else [
+  _No bookmarks in ancestor chain._
+]
+
+== Commit History
+
+#table(
+  columns: (auto, auto, 1fr, auto),
+  align: (center, center, left, right),
+  stroke: 0.4pt + luma(200),
+  inset: 6pt,
+
+  table.header(
+    text(weight: "bold")[Change],
+    text(weight: "bold")[Commit],
+    text(weight: "bold")[Description],
+    text(weight: "bold")[Date],
+  ),
+
+  ..commits
+    .map(c => {
+      let bookmarks = c.bookmarks.map(b => tag-pill(b.name))
+      let desc = c.commit.description.trim()
+      if desc == "" { desc = "(no description)" }
+
+      let badges = {
+        if c.empty { tag-pill("empty", color: rgb("#999")) }
+        if c.conflict { tag-pill("conflict", color: rgb("#c44")) }
+      }
+
+      (
+        c.short_change,
+        c.short_commit,
+        [
+          #desc
+          #if bookmarks.len() > 0 {
+            h(0.3em)
+            bookmarks.join(h(0.2em))
+          }
+          #badges
+        ],
+        text(size: 0.85em, fill: luma(100), format-date(
+          c.commit.author.timestamp,
+        )),
+      )
+    })
+    .flatten(),
+)
+