replace the old dotfiles with the sakura line rice

The bare $HOME repo is gone. This is now the rice: install.sh, rice-*
scripts in bin/, configs in home/ linked into $HOME, theme templates, st
and the particle wallpaper. Clone to ~/rice and run install.sh.

home/.config/rice/bash/rsync.bash

@@ -0,0 +1,34 @@
+# Sakura Line - rsync watchers.
+
+# rsw <source> <destination>: keep destination in sync with source in the
+# background, re-syncing on every change. The destination can be remote
+# (host:path); one SSH connection is reused, so you authenticate once.
+rsw() {
+  (( $# == 2 )) || { echo "usage: rsw <source> <destination>"; return 1; }
+  local src="${1%/}" dest="$2" sockets="${XDG_RUNTIME_DIR:-$HOME/.ssh}"
+  local rsh="ssh -o ControlMaster=auto -o ControlPath=$sockets/rsw-%r@%h:%p -o ControlPersist=yes"
+  setsid --fork env RSYNC_RSH="$rsh" bash -c '
+    rsync -a "$1/" "$2"
+    while inotifywait -r -q -e modify,create,delete,move "$1" >/dev/null; do rsync -a "$1/" "$2"; done
+  ' rsw-watch "$src" "$dest" >/dev/null 2>&1
+  echo "watching $src -> $dest"
+}
+
+# lsw: list watchers.   dsw: stop them all.
+lsw() {
+  local pid cmd rest found=0
+  while read -r pid cmd; do
+    rest="${cmd##*rsw-watch }"
+    echo "$pid: ${rest% *} -> ${rest##* }"
+    found=1
+  done < <(pgrep -af 'rsw-watch ')
+  (( found )) || echo "no active watchers"
+}
+
+dsw() {
+  local pid found=0
+  for pid in $(pgrep -f 'rsw-watch '); do
+    kill -- -"$pid" 2>/dev/null && echo "stopped $pid" && found=1
+  done
+  (( found )) || echo "no active watchers"
+}