Package up the tmix script from the wiki

1 files changed, 37 insertions, 0 deletions

diff --git a/tmix.sh b/tmix.sh
new file mode 100644
index 000000000000..7d99e483ce2f
--- /dev/null
+++ b/tmix.sh
@@ -0,0 +1,37 @@
+function tmix () {
+	trim () { echo $1; }
+
+# Permit running tmix, no arguments, as a shorthand for attaching to the user
+# session. `tmix self ...` also works.
+	if [[ -z "$1" || "$1" == "self" ]] ; then
+		tmux_base="$(whoami)"
+# Also permit using tmix for tmux ls. I and U are right next to each other after
+# all.
+	elif [[ "$1" == "ls" ]] ; then
+		pgrep tmux > /dev/null && tmux ls || echo "No tmux server running!"
+		exit 0
+	else
+		tmux_base="$1"
+	fi
+
+# Check if the specified base session is running, and if not, make it so.
+	tmux_nb=$(trim `tmux ls | grep "^${tmux_base}" | wc -l`)
+	if [[ "${tmux_nb}" == "0" ]] ; then
+		echo "Launching tmux base session ${tmux_base} ..."
+		tmux new-session -s "${tmux_base}" -d
+	fi
+# Don't attach to a tmux session from inside a tmux session. That's a recipe for
+# disaster.
+	if [[ ! -z "${TMUX}" ]] ; then
+		echo "Connecting to a tmux session from inside a tmux session is a BAD CALL"
+		exit 1
+	fi
+	echo "Launching copy of base session ${tmux_base} ..."
+	[[ ! -z "$2" ]] && tmux_sesh="$2" || tmux_sesh="$(date +%Y%m%d%H%M%S)"
+	tmux new-session -d -t "${tmux_base}" -s "${tmux_sesh}"
+# Spawn a new window, if the user asked for one.
+	if [[ "$3" ]] ; then
+		tmux new-window -n "$3"
+	fi
+	tmux attach-session -t "${tmux_sesh}" \; set-option destroy-unattached
+}