Streamline HG Prompt with `inout` command This avoids a second Mercurial invocation, which takes a couple of seconds on a Raspberry Pi. Also exported PS1 variants to make it easier to enable/disable the VCS checks but keep the rest of the formatting

set -g base-index 1
set-option -g prefix C-a
set -g status-bg black
set -g status-fg white
setw -g xterm-keys on
setw -g allow-rename off

# Fix highlighting in less etc
set -g terminal-overrides 'screen-256color*:sitm@,ritm@'