From 9313fe68ad5e94fd570807ee39b1bfaae86cce85 Mon Sep 17 00:00:00 2001
From: Sam Sudar <sudar.sam@gmail.com>
Date: Thu, 13 Oct 2016 11:44:05 -0700
Subject: [PATCH] Add tmux completion

This is adapted from the following project:

https://github.com/srsudar/tmux-completion
---
 completions/Makefile.am |   1 +
 completions/tmux        | 134 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 completions/tmux

diff --git a/completions/Makefile.am b/completions/Makefile.am
index 306e498ddaa..44174b44fd3 100644
--- a/completions/Makefile.am
+++ b/completions/Makefile.am
@@ -364,6 +364,7 @@ bashcomp_DATA = 2to3 \
 		tcpnice \
 		timeout \
 		tipc \
+		tmux \
 		tracepath \
 		tshark \
 		tune2fs \
diff --git a/completions/tmux b/completions/tmux
new file mode 100644
index 00000000000..4407fa1a33c
--- /dev/null
+++ b/completions/tmux
@@ -0,0 +1,134 @@
+# tmux(1) completion
+
+_tmux()
+{
+    local cur prev opts onePrev
+    _init_completion || return
+
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    onePrev="${COMP_WORDS[COMP_CWORD-1]}"
+
+    if [ "$COMP_CWORD" -ge 2 ]; then
+        # Check if we want to list available sessions. We're going to assume
+        # this is defined as: [ls | list-session] -t .
+        local windowCommands currentSessions
+        windowCommands=("ls", "list-sessions")
+
+        prev="${COMP_WORDS[COMP_CWORD-2]}"
+        if [ "$prev" = "attach" ] || [ "$prev" = "attach-session" ] ; then
+            if [ "$onePrev" = "-t" ] ; then
+            # Get a list of all session names.
+            # We're assuming this output is in the form:
+            # 'name: more info'
+            # We'll get the name by using cut--use ":" as a delimiter, and
+            # print the first column. If there are no sessions, we expect the
+            # following message on stderr:
+            # 'failed to connect to server: Connection refused'.
+            # In this case we'll return an empty list.
+            # NB: Since the failed to connect message is displayed on stderr,
+            # we need to pipe both stdout and stderr to cut. Therefore we are
+            # piping with |& rather than just |.
+            currentSessions=$(tmux ls |& cut -d : -f 1)
+            if [ "${currentSessions[0]}" = "failed to connect to server" ]; \
+            then
+                # We don't want to display any options, so clear the array.
+                currentSessions=$( )
+            fi
+            COMPREPLY=($(compgen -W "${currentSessions}" -- ${cur}))
+            return
+            fi
+        fi
+    fi
+
+    opts=" \
+    attach-session \
+    bind-key \
+    break-pane \
+    capture-pane \
+    choose-client \
+    choose-session \
+    choose-window \
+    clear-history \
+    clock-mode \
+    command-prompt \
+    confirm-before \
+    copy-buffer \
+    copy-mode \
+    delete-buffer \
+    detach-client \
+    display-message \
+    display-panes \
+    down-pane \
+    find-window \
+    has-session \
+    if-shell \
+    join-pane \
+    kill-pane \
+    kill-server \
+    kill-session \
+    kill-window \
+    last-window \
+    link-window \
+    list-buffers \
+    list-clients \
+    list-commands \
+    list-keys \
+    list-panes \
+    list-sessions \
+    list-windows \
+    load-buffer \
+    lock-client \
+    lock-server \
+    lock-session \
+    move-window \
+    new-session \
+    new-window \
+    next-layout \
+    next-window \
+    paste-buffer \
+    pipe-pane \
+    previous-layout \
+    previous-window \
+    refresh-client \
+    rename-session \
+    rename-window \
+    resize-pane \
+    respawn-window \
+    rotate-window \
+    run-shell \
+    save-buffer \
+    select-layout \
+    select-pane \
+    select-prompt \
+    select-window \
+    send-keys \
+    send-prefix \
+    server-info \
+    set-buffer \
+    set-environment \
+    set-option \
+    set-window-option \
+    show-buffer \
+    show-environment \
+    show-messages \
+    show-options \
+    show-window-options \
+    source-file \
+    split-window \
+    start-server \
+    suspend-client \
+    swap-pane \
+    swap-window \
+    switch-client \
+    unbind-key \
+    unlink-window \
+    up-pane"
+
+    COMPREPLY=($(compgen -W "${opts}" -- ${cur}))
+    return
+
+}
+complete -F _tmux tmux
+
+# ex: filetype=sh