dot_bashrc

# -*-mode:bash-*- vim:ft=bash

# ~/.bashrc
# =============================================================================
# Executed by bash for non-login shells.
#
# See https://www.gnu.org/software/bash/manual/html_node/index.html

# shellcheck shell=bash
# shellcheck source=/dev/null

# If not running interactively, don't do anything.
case $- in
    *i*) ;;
      *) return;;
esac


# General
# -----------------------------------------------------------------------------

# Check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# Matches filenames in a case-insensitive fashion when doing filename expansion.
shopt -s nocaseglob;

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar

# Do not autocomplete when accidentally pressing Tab on an empty line.
shopt -s no_empty_cmd_completion;

# Do not overwrite files when redirecting using ">" (override this with ">|").
set -o noclobber;

# Set preferred editor for local and remote sessions.
if [[ -n $SSH_CONNECTION ]]; then
    export EDITOR='vim'
elif command -v mvim > /dev/null; then
    export EDITOR='mvim'
else
    export EDITOR='vim'
fi

# Configure less:
#   F: automatically exit if the entire file can be displayed in first screen.
#   I: case-insensitive search.
#   R: Show ANSI colors.
#   S: Truncate long lines.
#   X: Prevent clearing the screen when exiting.
# See: https://relentlesscoding.com/2019/01/06/make-less-options-permanent-or-the-missing-lessrc/
export LESS="FIRSX"

# Make less more friendly for non-text input files.
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"


# History
# -----------------------------------------------------------------------------

# Append to the history file, don't overwrite it.
shopt -s histappend;

# Keep invalid history operation entries.
shopt -s histreedit;

# Ignore commands that start with spaces, and ignore consecutive duplicates.
# This is a verbose way of saying `ignoreboth`.
export HISTCONTROL=ignorespace:ignoredups;

# Keep a reasonably long history.
export HISTSIZE=4096;

# Keep even more history lines inside the file, so we can still look up
# previous commands without needlessly cluttering the current shell's history.
export HISTFILESIZE=16384;

# Keep track of the time the commands were executed.
# The xterm colour escapes require special care when piping; e.g. "| less -R".
export HISTTIMEFORMAT="%Y-%m-%d %H:%M:%S  ";

# Allow going up (CTRL+R) and down (CTRL+S) shell history.
[[ $- == *i* ]] && stty -ixon


# Colors
# -----------------------------------------------------------------------------

# Set colors for dark Terminal themes.
export CLICOLOR=1;
export LSCOLORS=GxFxCxDxBxegedabagaced;

# Enable color support of ls.
if [ -x /usr/bin/dircolors ]; then
    # shellcheck disable=SC2015
    test -r "$HOME"/.dircolors && eval "$(dircolors -b "$HOME"/.dircolors)" || eval "$(dircolors -b)"
fi

# Enable colored GCC warnings and errors.
export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'


# Prompt
# -----------------------------------------------------------------------------

# Uncomment for a colored prompt, if the terminal has the capability.
#force_color_prompt=yes

# Set a fancy prompt (non-color, unless we know we "want" color).
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

if [ -n "${force_color_prompt:?}" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
        # We have color support; assume it's compliant with Ecma-48
        # (ISO/IEC-6429). Lack of such support is extremely rare, and such
        # a case would tend to support setf rather than setaf.
        color_prompt=yes
    else
        color_prompt=
    fi
fi
unset force_color_prompt

# Set variable identifying the chroot you work in (see default prompt below).
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# Make default first prompt string informative, and optionally colorful.
# Basic style: "user@hostname:/current/path$ "
# Date style:  "
#               [01 Jan, 14:00:00] user@hostname:/current/path$ "
if [ "$color_prompt" = yes ]; then
    # Basic style
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

    # Date style
    PS1="\n\[\033[31m\][\D{%d %b}, \t] ${debian_chroot:+($debian_chroot)}\[\033[36m\]\u\[\033[m\]@\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ ";
    SUDO_PS1="\n[\D{%d %b}, \t] ${debian_chroot:+($debian_chroot)}\[\e[90;01;41m\]\u@\h\[\e[0m\]:\$PWD\$ ";
    export SUDO_PS1
else
    # Basic style
    PS1="${debian_chroot:+($debian_chroot)}\u@\h:\w\$ "

    # Date style
    PS1="\n[\D{%d %b}, \t] $PS1"
fi


# Xterm
# -----------------------------------------------------------------------------

# If this is an xterm set the title to "user@host:dir".
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# Set Xterm/screen/Tmux title with only a short hostname.
# Uncomment this (or set SHORT_HOSTNAME to something else),
# Will otherwise fall back on $HOSTNAME.
SHORT_HOSTNAME=$(hostname -s)
export SHORT_HOSTNAME

# Set Xterm/screen/Tmux title with only a short username.
# Uncomment this (or set SHORT_USER to something else),
# Will otherwise fall back on $USER.
export SHORT_USER="${USER:0:8}"

# Set Xterm/screen/Tmux title with shortened command and directory.
# Uncomment this to set.
export SHORT_TERM_LINE=true


# Bash-It Framework
# -----------------------------------------------------------------------------

# Hide default user from local prompt
export DEFAULT_USER="${USER}"

# Path to the bash it configuration
export BASH_IT="${HOME}/.bash-it"

# Lock and Load a custom theme file.
# Leave empty to disable theming.
# location /.bash_it/themes/
if [ "$color_prompt" = yes ]; then
    export BASH_IT_THEME='agnoster'
fi
unset color_prompt

# (Advanced): Change this to the name of your remote repo if you
# cloned bash-it with a remote other than origin such as `bash-it`.
# export BASH_IT_REMOTE='bash-it'

# Your place for hosting Git repos. You can use this for private repos.
# export GIT_HOSTING='git@git.domain.com'

# Don't check mail when opening terminal.
unset MAILCHECK

# Change this to your console based IRC client of choice.
#export IRC_CLIENT='irssi'

# Set this to the command you use for todo.txt-cli manager.
#export TODO="t"

# Set this to false to turn off version control status checking within the
# prompt for all themes.
export SCM_CHECK=true

# Set vcprompt executable path for scm advance info in prompt (demula theme).
# See https://github.com/djl/vcprompt
#export VCPROMPT_EXECUTABLE=~/.vcprompt/bin/vcprompt

# Make Bash-it reload itself automatically after enabling or disabling aliases,
# plugins, and completions.
# Uncomment this to set.
export BASH_IT_AUTOMATIC_RELOAD_AFTER_CONFIG_CHANGE=1

# Make Bash-it create alias reload.
# Uncomment this to set.
# export BASH_IT_RELOAD_LEGACY=1

# Load Bash It (if installed).
[ -s "${BASH_IT}/bash_it.sh" ] && \. "${BASH_IT}/bash_it.sh"


# Command-line shell completions
# -----------------------------------------------------------------------------

# Enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
    if [ -f /usr/share/bash-completion/bash_completion ]; then
        \. /usr/share/bash-completion/bash_completion
    elif [ -f /etc/bash_completion ]; then
        \. /etc/bash_completion
    fi
fi

# Provide known hosts completions.
# See http://surniaulula.com/2012/09/20/autocomplete-ssh-hostnames/
# shellcheck disable=SC2063
_complete_hosts () {
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    host_list=$({
        for c in /etc/ssh_config /etc/ssh/ssh_config "$HOME"/.ssh/config
            do [ -r "$c" ] && sed -n -e 's/^Host[[:space:]]//p' -e 's/^[[:space:]]*HostName[[:space:]]//p' "$c"
        done
        for k in /etc/ssh_known_hosts /etc/ssh/ssh_known_hosts "$HOME"/.ssh/known_hosts
            do [ -r "$k" ] && grep -E -v '^[#\[]' "$k"|cut -f 1 -d ' '|sed -e 's/[,:].*//g'
        done
        sed -n -e 's/^[0-9][0-9\.]*//p' /etc/hosts; }|tr ' ' '\n'|grep -v '*')
    COMPREPLY=("$(compgen -W "$host_list" -- "$cur")")
    return 0
}
for h in host ping ssh sshs telnet
    do complete -F _complete_hosts $h
done
unset h

# Provide Homebrew completions (if installed).
# See https://docs.brew.sh/Shell-Completion
if type brew &> /dev/null; then
    HOMEBREW_PREFIX="$(brew --prefix)"
    if [[ -r "${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh" ]]; then
        \. "${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh"
    else
        for COMPLETION in "${HOMEBREW_PREFIX}/etc/bash_completion.d/"*; do
            [[ -r "$COMPLETION" ]] && \. "$COMPLETION"
        done
    fi
    unset HOMEBREW_PREFIX COMPLETION
fi

# Provide Chezmoi completions (if installed).
# See https://github.com/twpayne/chezmoi/blob/master/docs/REFERENCE.md
if command -v chezmoi > /dev/null; then
    eval "$(chezmoi completion bash)"
fi


# Development environments
# -----------------------------------------------------------------------------

# Enable ASDF Extendable version manager (https://asdf-vm.com).
# This should replace all language-secific version managers.
ASDF_DIR="${ASDF_DIR:-$HOME/.asdf}"
if [[ ! -d $ASDF_DIR ]] && type brew &> /dev/null; then
    ASDF_DIR="$(brew --prefix asdf)"
fi
[ -s "$ASDF_DIR/asdf.sh" ] && \. "$ASDF_DIR/asdf.sh"

# Provide ASDF completions (already loaded if using Homebrew).
[ -s "$ASDF_DIR/completions/asdf.bash" ] && \. "$ASDF_DIR/completions/asdf.bash"

# Enable Node Version Manager.
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

# Provide Node completions.
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"

# Enable Python version management.
if command -v pyenv > /dev/null; then
    eval "$(pyenv init -)"
fi

# Provide Python completions.
if command -v pipenv > /dev/null; then
    eval "$(pipenv --completion)"
fi

# Load Ruby version management.
if command -v rbenv > /dev/null; then
   eval "$(rbenv init -)"
fi

# Add Ruby gems to PATH.
if command -v ruby > /dev/null && command -v gem > /dev/null; then
   PATH="$(ruby -r rubygems -e 'puts Gem.user_dir')/bin:$PATH"
fi

# Provide Travis CI completions.
[ -f "$HOME"/.travis/travis.sh ] && \. "$HOME"/.travis/travis.sh

# Register Acquia Dev Desktop
if [ -d "/Applications/DevDesktop" ]; then
    export PATH="$PATH:/Applications/DevDesktop/tools"
    export PATH="$PATH:/Applications/DevDesktop/drush_9"
fi

# Provide Drush completions.
#[ -f ${HOME}/.drush/drush.bashrc ] && \. ${HOME}/.drush/drush.bashrc

# Provide Drush prompt customizations.
#[ -f ${HOME}/.drush/drush.prompt.sh ] && \. ${HOME}/.drush/drush.prompt.sh


# Varia
# -----------------------------------------------------------------------------

# Point ripgrep to its configuration file.
# See https://github.com/BurntSushi/ripgrep/blob/master/GUIDE.md
export RIPGREP_CONFIG_PATH="$HOME/.ripgreprc"


# Includes
# -----------------------------------------------------------------------------

# Load functions declarations from separate configuration file.
if [ -f "$HOME"/.bash_functions ]; then
    \. "$HOME"/.bash_functions
fi

# Load alias definitions from separate configuration file.
if [ -f "$HOME"/.bash_aliases ]; then
    \. "$HOME"/.bash_aliases
fi

# Load custom code from separate configuration file.
if [ -f "$HOME"/.bash_extras ]; then
    \. "$HOME"/.bash_extras
fi


# Finalization
# -----------------------------------------------------------------------------

# Add missing paths to PATH.
if [ -d "/usr/local/sbin" ]; then
    export PATH="/usr/local/sbin:$PATH"
fi

# Remove any duplicate paths.
# See https://stackoverflow.com/questions/11650840/remove-redundant-paths-from-path-variable
PATH="$(echo "$PATH" | awk 'BEGIN{RS=":";}
{sub(sprintf("%c$",10),"");if(A[$0]){}else{A[$0]=1;
printf(((NR==1)?"":":")$0)}}')";
export PATH