2026-10-07 23:34:59 -04:00
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#!/bin/bash
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# devdesk-notify-matrix SESSION SINCE
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#
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# Started (detached) by devdesk-state-hook when a session starts waiting on you.
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# After DEVDESK_MATRIX_DELAY seconds, if that same wait is still on and nobody is
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# attached to the session (no browser tab, no SSH client), post one "Claude needs
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# you" message to the hookshot webhook in DEVDESK_MATRIX_WEBHOOK_FILE (devdesk#28).
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set -euo pipefail
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# shellcheck source=libexec/devdesk-lib.sh
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. "${DEVDESK_LIBEXEC:-/usr/lib/devdesk}/devdesk-lib.sh"
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session=${1:-}
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since=${2:-}
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dd_valid_name "$session" || exit 0
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[[ $since =~ ^[0-9]+$ ]] || exit 0
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[ -r "$DEVDESK_MATRIX_WEBHOOK_FILE" ] || exit 0
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sleep "$DEVDESK_MATRIX_DELAY"
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state_file="$DEVDESK_STATUS_DIR/$session.json"
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# Still the same wait? (Answering it moves the state on; a new wait has its own notifier.)
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[ "$(jq -rM '"\(.state) \(.since)"' "$state_file" 2>/dev/null)" = "waiting $since" ] || exit 0
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# Anyone looking at it already?
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attached=$(dd_tmux list-sessions -F '#{session_name} #{session_attached}' 2>/dev/null |
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awk -v s="$session" '$1 == s { print $2 }')
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[ "${attached:-0}" = 0 ] || exit 0
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message=$(jq -rM '.message // "Claude is waiting for your input"' "$state_file" 2>/dev/null)
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url=""
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2026-10-10 19:57:52 -04:00
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# existing=1: if the session was ended by the time you tap, say so instead of
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# starting a new Claude there (devdesk#38).
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[ -z "$DEVDESK_PUBLIC_URL" ] || url="${DEVDESK_PUBLIC_URL%/}/?arg=$session&existing=1"
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2026-10-07 23:34:59 -04:00
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body=$(jq -cMn --arg s "$session" --arg m "$message" --arg u "$url" --arg h "$(hostname)" \
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'{session: $s, message: $m, url: (if $u == "" then null else $u end), host: $h,
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text: ("Claude needs you in " + $s + ": " + $m + (if $u == "" then "" else " — " + $u end))}')
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# The webhook URL is a secret (anyone holding it can post to the room): pass it
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# to curl on stdin, never on the command line.
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# shellcheck disable=SC1003 # tr deletes whitespace, quotes and backslashes from the URL
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webhook=$(tr -d '[:space:]"\\' <"$DEVDESK_MATRIX_WEBHOOK_FILE")
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printf 'url = "%s"\n' "$webhook" |
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curl -fsS --max-time 10 --retry 2 -K - -H 'Content-Type: application/json' --data-binary "$body" >/dev/null
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