tmux.conf: use brackets for if-shell commands

  * it's easier to read \ó/

Author: crpb

etc/tmux.conf

@@ -27,11 +27,17 @@ bind-key j join-pane -s !
 bind-key J join-pane
 
 ### Move current window to session named "bg" (and create session if it does not exist)
-bind-key B if-shell "! tmux has-session -t bg" "new-session -d -s bg" \; move-window -t bg
+bind-key B if-shell '! tmux has-session -t bg' {
+  new-session -d -s bg
+  move-window -t bg
+}
 
-### Reload Config
-if-shell "! (env | grep -q TMUX=/tmp/tmate)" \
-  "bind-key R source-file ~/.tmux.conf \\; source-file -q ~/.tmux.conf.local \\; display-message '~/.tmux.conf[.local] reloaded'"
+### Reload User Configs
+if-shell '! (env | grep -q TMUX=/tmp/tmate)' {
+  bind-key R source-file ~/.tmux.conf
+  source-file -q ~/.tmux.conf.local
+  display-message "~/.tmux.conf[.local] reloaded"
+}
 
 ###rebind keys
 bind-key h next-layout
@@ -63,13 +69,18 @@ set -g status-left "#[fg=white]@#h#[fg=red]:#S#[fg=white] |"
 #set -g status-right '#[fg=yellow]%Y-%m-%d %H:%M'
 ### status-right: IPs and Date and Time
 set -g status-right-length 64
-if-shell "command -v hostname && hostname --help | grep -q -- -I" { set -g status-right "#[fg=green](net: #(hostname -I | sed -e 's/ [^ ]*:.*$//;s/ / | /g;s/ | $//')) #[fg=yellow]%Y-%m-%d %H:%M" } { set -g status-right '#[fg=yellow]%Y-%m-%d %H:%M' }
+if-shell 'command -v hostname && hostname --help | grep -q -- -I' {
+  set -g status-right "#[fg=green](net: #(hostname -I | sed -e 's/ [^ ]*:.*$//;s/ / | /g;s/ | $//')) #[fg=yellow]%Y-%m-%d %H:%M"
+} {
+  set -g status-right '#[fg=yellow]%Y-%m-%d %H:%M'
+}
 ### status-right: Time
 #set -g status-right "#[fg=yellow]%H:%M"
 
 set-window-option -g window-status-style fg=blue,bg=black
 set-window-option -g window-status-current-style bold
 
 ### source user-specific local configuration file
-if-shell "! (env | grep -q TMUX=/tmp/tmate)" \
-  "source-file -q ~/.tmux.conf.local"
+if-shell '! (env | grep -q TMUX=/tmp/tmate)' {
+  source-file -q ~/.tmux.conf.local
+}