init checkin

tmux_control

@@ -0,0 +1,128 @@
+#!/usr/bin/env bash
+
+function link_or_rm() {
+  local env="$1"
+  local tmp="$2"
+  if [[ -z "${env}" ]]; then
+    # No auth sock; remove symlink, if any.
+    rm -f -- "${tmp}"
+  elif [[ "${env}" != "${tmp}" ]]; then
+    # Construct expected symlink to point to auth sock.
+    ln -snf -- "${env}" "${tmp}"
+  fi
+}
+
+# Get invocation, stx or mtx
+zero="$0"
+invocation=$(basename "$zero")
+
+case "$invocation" in
+  tmux_control)
+  declare -a tmux_links
+  tmux_links=( stx mtx sx mx tls )
+  for link in "${tmux_links[@]}"; do
+    if [[ ! -h "${HOME}/bin/${link}" ]]; then
+      ln -s "${HOME}/bin/tmux_control" "${HOME}/bin/${link}"
+    fi
+  done
+  echo 'stx or sx for inner sessions; mtx or mx for outer sessions, tls to list all sessions' >&2
+  exit 1
+  ;;
+  sx)
+    socket="tmux_${USER}_stx"
+    tmux -L "${socket}" "$@"
+    exit $?
+  ;;
+  mx)
+    socket="tmux_${USER}_mtx"
+    tmux -L "${socket}" "$@"
+    exit $?
+  ;;
+  tls)
+  declare -a sockets
+  readarray -d '' sockets < <(find "/tmp/tmux-$(id -u)" -maxdepth 1 -type s -print0)
+  for socket in ${sockets[*]}; do
+    printf '%s\n' "$socket"
+    tmux -L "${socket}" list-sessions | sed 's/^/  /'
+  done
+  exit 0
+esac
+
+socket="tmux_${USER}_${invocation}"
+
+style="inner"
+if [[ "${invocation}" == mtx ]]; then
+  style="outer"
+fi
+
+config="${HOME}/.tmux.conf_${style}"
+
+session_name="default"
+if [[ -n $1 ]]; then
+  session_name="$1"
+fi
+
+if [[ "$1" == "test" ]]; then
+  echo "invocation: ${invocation}"
+  echo "config: ${config}"
+  echo "session: ${session_name}"
+  exit 0
+fi
+
+if [[ ! -f "${config}" ]]; then
+  echo "Didn't find ${config}" >&2
+  exit 1
+fi
+
+# Make the temp directory if it doesn't exist
+home_sock_folder="${HOME}/.tmp"
+if ! [ -d "${home_sock_folder}" ]; then
+  mkdir -m 700 "${home_sock_folder}"
+fi
+
+# Symlinks to sockets that might change out from under tmux
+if [[ -z "${TMUX}" ]] || [[ "$style" == "inner" && "$TMUX" =~ mtx ]]; then
+  ssh_auth_sock_symlink="${home_sock_folder}/ssh_auth_sock"
+  fwd_ssh_sock_symlink="${home_sock_folder}/fwd_ssh_auth_sock"
+  sway_sock_symlink="${home_sock_folder}/sway_sock"
+  i3_sock_symlink="${home_sock_folder}/i3_sock"
+  link_or_rm "${SSH_AUTH_SOCK}" "${ssh_auth_sock_symlink}"
+  link_or_rm "${FWD_SSH_AUTH_SOCK}" "${fwd_ssh_sock_symlink}"
+  # SWAYSOCK == I3SOCK, probably some Xwayland compatability thing
+  link_or_rm "${SWAYSOCK}" "${sway_sock_symlink}"
+  link_or_rm "${SWAYSOCK}" "${i3_sock_symlink}"
+
+  # See if there are any sessions on this socket
+  echo running: tmux -L "${socket}" list-sessions
+  tmux -L "${socket}" list-sessions
+  echo results: $?
+  if [[ $? != 0 ]]; then
+    # No tmux session @ $socket
+    exec env \
+	I3SOCK="${i3_sock_symlink}" \
+	SWAYSOCK="${sway_sock_symlink}" \
+	SSH_AUTH_SOCK="${ssh_auth_sock_symlink}" \
+	FWD_SSH_AUTH_SOCK="${f}" \
+	tmux -f "${config}" -L "${socket}" ${args} new-session -s "${session_name}"
+
+  elif tmux -L "${socket}" list-sessions 2>/dev/null | grep "^${session_name}:" &>/dev/null; then
+    # A named session exists
+    exec env \
+	I3SOCK="${i3_sock_symlink}" \
+	SWAYSOCK="${sway_sock_symlink}" \
+	SSH_AUTH_SOCK="${ssh_auth_sock_symlink}" \
+	FWD_SSH_AUTH_SOCK="${f}" \
+	tmux -f "${config}" -L "${socket}" ${args} attach -t "${session_name}"
+  else
+    # Some session lives at that socket but it's a different name than is given
+    exec env \
+	I3SOCK="${i3_sock_symlink}" \
+	SWAYSOCK="${sway_sock_symlink}" \
+	SSH_AUTH_SOCK="${ssh_auth_sock_symlink}" \
+	FWD_SSH_AUTH_SOCK="${f}" \
+	tmux -f "${config}" -L "${socket}" ${args} new-session -s "${session_name}"
+  fi
+else
+  echo "Already in a tmux session. Giving up."
+  exit 1
+fi