feat: improve config for powerline, mcfly and (n)vim

aliases.d/nvim

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Vim Editor
+if [ -x ~/AppImages/nvim.appimage ]
+then
+  alias nvim='~/AppImages/nvim.appimage'
+fi

aliases.d/vim

@@ -5,5 +5,5 @@ if [ -x /usr/bin/vim ]
 then
   alias vi='vim -p'
   alias view='vim -R'
-  alias vless='vim -u /usr/share/vim/vim74/macros/less.vim -c "colorscheme mustangpp"'
+  alias vless='vim -u /usr/share/vim/vim*/macros/less.vim'
 fi

rc.d/mcfly

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if (which mcfly &> /dev/null)
+then
+  export MCFLY_INTERFACE_VIEW=BOTTOM
+  export MCFLY_RESULTS=25
+  export MCFLY_RESULTS_SORT=LAST_RUN
+  eval "$(mcfly init bash)"
+fi

rc.d/mcfly.bash

@@ -1,60 +0,0 @@
-#!/bin/bash
-
-if ( ! which mcfly &> /dev/null ); then return; fi
-
-# Avoid loading this file more than once
-if [[ "$__MCFLY_LOADED" == "loaded" ]]; then
-  return 0
-fi
-
-__MCFLY_LOADED="loaded"
-export MCFLY_SESSION_ID=$(cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 24 | head -n 1)
-export MCFLY_HISTORY=$(mktemp -t mcfly.XXXX)
-export HISTFILE="${HISTFILE:-$HOME/.bash_history}"
-
-if [[ -f "$HISTFILE" ]];
-then
-  tail -n100 "${HISTFILE}" >| ${MCFLY_HISTORY}
-else
-  printf "Welcome to McFly\n" >| ${MCFLY_HISTORY}
-fi
-
-# Ignore commands with a leading space
-#export HISTCONTROL="ignorespace"
-
-# Append new history items to .bash_history
-shopt -s histappend
-
-# Setup a function to be used by $PROMPT_COMMAND.
-function mcfly_prompt_command {
-  local exit_code=$? # Record exit status of previous command.
-  history -a ${MCFLY_HISTORY} # Append history to $MCFLY_HISTORY.
-  # Run mcfly with the saved code. It will:
-  # * append commands to $HISTFILE, (~/.bash_history by default)
-  #   for backwards compatibility and to load in new terminal sessions;
-  # * find the text of the last command in $MCFLY_HISTORY and save it to the database.
-  mcfly add --exit ${exit_code} --append-to-histfile
-  # Clear the in-memory history and reload it from $MCFLY_HISTORY
-  # (to remove instances of '#mcfly: ' from the local session history).
-  history -cr ${MCFLY_HISTORY}
-  return ${exit_code} # Restore the original exit code by returning it.
-}
-
-# Set $PROMPT_COMMAND run mcfly_prompt_command and then any existing $PROMPT_COMMAND.
-PROMPT_COMMAND="mcfly_prompt_command;$PROMPT_COMMAND"
-
-# If this is an interactive shell, take ownership of ctrl-r.
-# The logic here is:
-#   1. Jump to the beginning of the edit buffer, add 'mcfly: ', and comment out the current line. We comment out the line
-#      to ensure that all possible special characters, including backticks, are ignored. This commented out line will
-#      end up as the most recent entry in the $MCFLY_HISTORY file.
-#   2. Type "mcfly search" and then run the command. McFly will pull the last line from the $MCFLY_HISTORY file,
-#      which should be the commented-out search from step #1. It will then remove that line from the history file and
-#      render the search UI pre-filled with it.
-if [[ $- =~ .*i.* ]]; then
-  if set -o | grep "vi " | grep -q on; then
-    bind "'\C-r': '\e0i#mcfly: \e\C-j mcfly search\C-j'"
-  else
-    bind "'\C-r': '\C-amcfly: \e# mcfly search\C-j'"
-  fi
-fi

rc.d/prompt

@@ -2,10 +2,11 @@
 
 # Customize the prompt
 
-if (which powerline &> /dev/null); then
+POWERLINE=$(which powerline || which powerline-go) &> /dev/null
+if [ -x "$POWERLINE" ]; then
 
   function _update_ps1() {
-    PS1="$(powerline -error $? -jobs $(jobs -p | wc -l))"
+    PS1="$($POWERLINE -error $? -jobs $(jobs -p | wc -l))"
 
     # Uncomment the following line to automatically clear errors after showing
     # them once. This not only clears the error for powerline-go, but also for