fzf/tmux: add tmux session tree preview

Author: petobens

fzf_bash.sh

@@ -306,11 +306,17 @@ bind -m vi-command '"\C-r": "i\C-r"'
 # }}}
 # Tmux {{{
 
+__tmux_fzf_get_session__() {
+    session=$(tmux list-sessions -F "#{session_name}" 2>/dev/null |
+        fzf --exit-0 --preview='tmux_tree {} | bat --theme TwoDark --style plain')
+    echo "$session"
+}
+
 # Tmux session switcher (`tms foo` attaches to `foo` if exists, else creates
 # it)
 tms() {
     [[ -n "$TMUX" ]] && change="switch-client" || change="attach-session"
-    if [[ "$1" ]]; then
+    if [[ -n "$1" ]]; then
         if [[ "$1" == "-ask" ]]; then
             read -r -p "New tmux session name: " session_name
         else
@@ -321,14 +327,12 @@ tms() {
             tmux $change -t "$session_name");
         return
     fi
-    session=$(tmux list-sessions -F \
-        "#{session_name}" 2>/dev/null | fzf --exit-0) && \
-        tmux $change -t "$session" || echo "No sessions found."
+    session=$(eval __tmux_fzf_get_session__)
+    tmux $change -t "$session" || echo "No sessions found."
 }
 # Tmux session killer
 tmk() {
-    session=$(tmux list-sessions -F "#{session_name}" | \
-        fzf --query="$1" --exit-0) &&
+    session=$(eval __tmux_fzf_get_session__)
     tmux kill-session -t "$session"
 }
 

setup-new/symlinks.sh

@@ -111,6 +111,8 @@ fi
 if type "tmux" > /dev/null 2>&1; then
     $ln_cmd -fTs "$dotfiles_dir/tmux" "$HOME/.tmux"
     echo Created .tmux folder symlink
+    $ln_cmd -fTs "$dotfiles_dir/tmux/tmux_tree" "$HOME/bin/tmux_tree"
+    echo Created bin/tmux_tree symlink
 fi
 if type "powerline-daemon" > /dev/null 2>&1; then
     $ln_cmd -fTs "$dotfiles_dir/config/powerline" "$HOME/.config/powerline"

tmux/tmux_tree

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+tmux ls -F'#{session_id}' | while read -r s; do
+    S=$(tmux ls -F'#{session_id}#{session_name}: #{T:tree_mode_format}' | grep ^"$s")
+    session_info=${S##$s}
+    session_name=$(echo "$session_info" | cut -d ':' -f 1)
+    if [[ -n "$1" ]] && [[ "$1" == "$session_name" ]]; then
+        echo -e "\033[1;34m$session_info\033[0m"
+    else
+        echo -e "\033[1m$session_info\033[0m"
+    fi
+    tmux lsw -t"$s" -F'#{window_id}' | while read -r w; do
+        W=$(tmux lsw -t"$s" -F'#{window_id}#{T:tree_mode_format}' | grep ^"$w")
+        echo "  ﬌ ${W##$w}"
+    done
+done
+