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fix: .party-notify uses PARTY_TMUX, not bare tmux from PATH

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veg 2026-07-04 09:25:27 +00:00
parent fc366f48fa
commit 7d95850461
2 changed files with 23 additions and 3 deletions
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15
party
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@ -441,14 +441,23 @@ tmux_party_setup_server() {
# keeps it out of typical `ls` listings. The per-party private dir
# hosts at most one socket so a fixed name is safe.
notify_script="${sock%/*}/.party-notify"
cat > "$notify_script" <<'EOF'
# Two heredocs: the first (expanding) pins the tmux binary the party
# was hosted with — a bare `tmux` from the server's PATH may be a
# different, older binary than $PARTY_TMUX, which is the whole reason
# PARTY_TMUX exists. The second (quoted) is the static body. A
# PARTY_TMUX containing a double quote or $ would break the pin;
# that's accepted — it's the host's own env var on their own party.
cat > "$notify_script" <<EOF
#!/bin/sh
tmux="$PARTY_TMUX"
EOF
cat >> "$notify_script" <<'EOF'
# Auto-generated by party. Fan a display-message out to every client
# of the party server. Args: $1 = socket, $2 = client_user, $3 = "joined"|"left"
sock="$1"; user="$2"; verb="$3"
tmux -S "$sock" list-clients -F '#{client_name}' 2>/dev/null \
"$tmux" -S "$sock" list-clients -F '#{client_name}' 2>/dev/null \
| while read -r c; do
tmux -S "$sock" display-message -c "$c" "$user $verb the party" 2>/dev/null || :
"$tmux" -S "$sock" display-message -c "$c" "$user $verb the party" 2>/dev/null || :
done
EOF
chmod 0755 "$notify_script"

11
tests/90-notifications.bats
View file

@ -51,3 +51,14 @@ party_rec() { printf '%s/party-%s:%s.d/roster\n' "$PARTY_SOCKET_DIR" "$USER" "$1
[ "$g" = "$TMUX_PARTY_GROUP" ] \
|| { echo "notify_script group=$g, expected $TMUX_PARTY_GROUP"; false; }
}
@test ".party-notify pins the PARTY_TMUX binary used at host time" {
"$PARTY_BIN" host pintmux
rec=$(party_rec pintmux)
sock=$(awk -F= '$1=="SOCKET"{print $2}' "$rec")
notify_script="${sock%/*}/.party-notify"
# The helper must not reach for a bare `tmux` from PATH: it pins the
# binary the party was hosted with (PARTY_TMUX, default "tmux").
grep -q "^tmux=\"${PARTY_TMUX:-tmux}\"$" "$notify_script"
! grep -qE '^[[:space:]]*tmux -S' "$notify_script"
}