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devdesk/libexec/devdesk-state-hook
T
jaredandClaude Opus 5.5 73f8525db2
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feat: v0.7.0 files pane: browse, preview, diff, Claude's edits
- devdesk attach --fs-list/--fs-read/--git-status/--git-show/--asset
  (libexec/devdesk-files.sh), confined to the session folder.
- The state hook records files Claude edits (Edit/Write/MultiEdit/
  NotebookEdit) for the Changes tab's "C" badge; rename/end carry it.
- Files pane: folders, CodeMirror read-only view, sanitized markdown preview
  in a sandboxed iframe with inlined relative images, images, Changes tab with
  line counts and diff against HEAD, "→ Claude" @path, resizable split.
- The editor bundle ships as /usr/share/devdesk/assets/editor.js, is fetched
  over ttyd on first use, verified against the page's SHA-256 and cached in
  IndexedDB.
- Fix: the state hook's field split collapsed empty fields.

Closes #19

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-08 01:16:37 -04:00

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#!/bin/bash
# Claude Code hook (wired in via claude-settings.json) that tracks what Claude is
# doing in each DevDesk session, for the sidebar's at-a-glance status:
# UserPromptSubmit, PostToolUse -> working
# Notification -> waiting (Claude needs input or a permission)
# Stop, SessionStart -> idle
# SessionEnd -> exited
# Fires on every tool call, so it stays tiny and only writes when the state changes.
# Entering "waiting" also starts devdesk-notify-matrix, which posts to Matrix if
# the wait lasts and nobody is attached (devdesk#28).
input=$(cat)
outer=${TMUX:-}
[ "${outer%%,*}" = "${DEVDESK_SOCKET:-/run/devdesk/tmux.sock}" ] && [ -n "${TMUX_PANE:-}" ] || exit 0
session=$(tmux display-message -p -t "$TMUX_PANE" '#S' 2>/dev/null)
[[ $session =~ ^[A-Za-z0-9][A-Za-z0-9_-]{0,63}$ ]] || exit 0
# Unit separator, not tab: read collapses runs of whitespace delimiters, so an
# empty field would shift the ones after it.
IFS=$'\x1f' read -r event message tool file < <(jq -rM '[.hook_event_name // "", (.message // "" | gsub("[\u001f\n]"; " ")),
.tool_name // "", (.tool_input.file_path // .tool_input.notebook_path // "" | gsub("[\u001f\n]"; " "))] | join("\u001f")' <<<"$input" 2>/dev/null)
# Files Claude edits, for the file viewer's "Claude" badge (devdesk#19).
case $event:$tool in
PostToolUse:Edit | PostToolUse:Write | PostToolUse:MultiEdit | PostToolUse:NotebookEdit)
if [[ $file == /* ]]; then
log="${DEVDESK_STATE_DIR:-/var/lib/devdesk}/edits/$session.txt"
mkdir -p "${log%/*}" 2>/dev/null
if ! grep -qxF -- "$file" "$log" 2>/dev/null && [ "$(wc -l <"$log" 2>/dev/null || echo 0)" -lt 1000 ]; then
printf '%s\n' "$file" >>"$log"
fi
fi
;;
esac
case $event in
UserPromptSubmit | PostToolUse) state=working ;;
Notification) state=waiting ;;
Stop | SessionStart) state=idle ;;
SessionEnd) state=exited ;;
*) exit 0 ;;
esac
dir="${DEVDESK_STATE_DIR:-/var/lib/devdesk}/state"
file="$dir/$session.json"
# Unchanged state (the common case during tool runs): nothing to write.
if [ "$state" != waiting ] && [ -f "$file" ] && grep -q "\"state\":\"$state\"" "$file"; then
exit 0
fi
# A second Notification during the same wait updates the message but keeps
# `since`, so the wait stays one wait (one Matrix message at most).
since=$(date +%s)
was_waiting=0
if [ "$state" = waiting ] && grep -q '"state":"waiting"' "$file" 2>/dev/null; then
was_waiting=1
since=$(jq -rM '.since // empty' "$file" 2>/dev/null) || since=$(date +%s)
[[ $since =~ ^[0-9]+$ ]] || since=$(date +%s)
fi
mkdir -p "$dir" 2>/dev/null || exit 0
tmp=$(mktemp "$dir/.$session.XXXXXX" 2>/dev/null) || exit 0
if jq -cMn --arg s "$state" --arg m "$message" --arg e "$event" --argjson t "$since" \
'{state: $s, since: $t, event: $e, message: (if $m == "" then null else $m end)}' >"$tmp"; then
mv -f "$tmp" "$file"
else
rm -f "$tmp"
exit 0
fi
if [ "$state" = waiting ] && [ "$was_waiting" = 0 ]; then
setsid -f "${DEVDESK_LIBEXEC:-/usr/lib/devdesk}/devdesk-notify-matrix" "$session" "$since" \
</dev/null >/dev/null 2>&1 || true
fi
exit 0