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/ssh.bash

@@ -0,0 +1,82 @@
+# Sakura Line - ssh helpers.
+
+# ssh: when an interactive session drops, tidy the terminal and reconnect until
+# you press Ctrl-C. Only a real dropped shell reconnects: a remote command,
+# piped input, or a failure within the first 30 seconds (bad host, bad key)
+# returns normally, so nothing is ever replayed by accident.
+ssh() {
+  local rc started=$SECONDS
+  command ssh "$@"
+  rc=$?
+  [[ -t 1 ]] || return $rc
+  _ssh_disarm
+
+  if (( rc != 255 )) || [[ ! -t 0 ]] || ! _ssh_interactive "$@" || (( SECONDS - started < 30 )); then
+    return $rc
+  fi
+
+  # A subshell, so Ctrl-C stops both the attempt and the loop.
+  (
+    while :; do
+      echo "Connection lost. Reconnecting (Ctrl-C to stop)..."
+      sleep 2
+      command ssh "$@"
+      rc=$?
+      _ssh_disarm
+      (( rc != 255 )) && exit $rc
+    done
+  )
+}
+
+# A connection that dies mid-session leaves the remote tmux or editor's
+# terminal modes on (mouse reporting floods the prompt); switch them off.
+_ssh_disarm() {
+  printf '\e[?1000l\e[?1002l\e[?1003l\e[?1006l\e[?1004l\e[?1049l\e[?25h'
+}
+
+# True when the arguments open a shell: a destination and no remote command,
+# counting a RemoteCommand set in ssh_config.
+_ssh_interactive() {
+  local value_opts="BbcDEeFIiJLlmOoPpQRSWw" argv=("$@") arg letters i dest="" opts_done=""
+  while (( $# )); do
+    arg="$1"; shift
+    if [[ -z $opts_done && $arg == "--" ]]; then
+      opts_done=1
+    elif [[ -z $opts_done && $arg == -?* ]]; then
+      letters="${arg#-}"
+      for (( i = 0; i < ${#letters}; i++ )); do
+        if [[ $value_opts == *"${letters:i:1}"* ]]; then
+          (( i == ${#letters} - 1 )) && shift
+          break
+        fi
+      done
+    elif [[ -z $dest ]]; then
+      dest="$arg"
+    else
+      return 1
+    fi
+  done
+  [[ -n $dest ]] || return 1
+  local resolved
+  resolved=$(command ssh -G "${argv[@]}" 2>/dev/null) || return 1
+  ! grep -i '^remotecommand ' <<<"$resolved" | grep -qvi '^remotecommand none$'
+}
+
+# fip <host> <port>...: forward remote ports to localhost (web dev against a remote box).
+fip() {
+  (( $# >= 2 )) || { echo "usage: fip <host> <port>..."; return 1; }
+  local host="$1" port; shift
+  for port in "$@"; do
+    command ssh -f -N -L "$port:localhost:$port" "$host" && echo "localhost:$port -> $host:$port"
+  done
+}
+
+# dip <port>...: stop those forwards.   lip: list active forwards.
+dip() {
+  (( $# >= 1 )) || { echo "usage: dip <port>..."; return 1; }
+  local port
+  for port in "$@"; do
+    pkill -f "ssh.*-L $port:localhost:$port" && echo "stopped $port" || echo "no forward on $port"
+  done
+}
+lip() { pgrep -af 'ssh.*-L [0-9]+:localhost:[0-9]+' || echo "no active forwards"; }