uuidgen alternatives

[etc/tmux.git] / .bin / tmux

diff --git a/.bin/tmux b/.bin/tmux
index d6ff4b27d0493d3bc36eb134cdf8b4cd345dbb54..577b74606eef37acbc1d484011663bdda05e8e2b 100755 (executable)
--- a/.bin/tmux
+++ b/.bin/tmux
@@ -20,7 +20,7 @@ tmux_session_exists() {
   _tmux_eval_only=1 real_tmux has-session -t "$1"
 }
 
-if [ "${1:-}" = --connect-to-last ]; then
+if [ "${1:-}" = last ]; then
   shift
   if [ -f "$LASTSESSIONIDFILE" ]; then
     UUID="$(cat $LASTSESSIONIDFILE)"
@@ -34,13 +34,27 @@ if [ "${1:-}" = --connect-to-last ]; then
     echo >&2 W: No tmux session ID stored, generating a new one…
   fi
 
-elif [ -n "${1:-}" ]; then
-  real_tmux "$@"
+else
+  case "${1:-;}" in
+    (\;) :;;
+    (*) real_tmux "$@";;
+  esac
 fi
 
 # only without argument create a new session with a random name/id to which we
 # can then attach
 
+which() { command -v "$@" >/dev/null;}
+
+if   which uuid; then alias uuidgen=uuid
+elif which uuidgen; then :
+elif which python3; then
+  uuidgen() { python3 -c 'import uuid; print(uuid.uuid1())'; }
+elif which python; then
+  uuidgen() { python -c 'import uuid; print(uuid.uuid1())'; }
+else
+  uuidgen() { dd if=/dev/urandom bs=16 count=1 status=none | base64; }
+fi
 UUID=$(uuidgen)
 echo "$UUID" > $LASTSESSIONIDFILE