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dotfiles/roles/bash/files/profile
Fernando Schauenburg 23c7a7a616 feat(bash): use bash-completion package 
This package will pick up completions installed by other packages and
will source any local completions from:

    ~/.local/share/bash-completion/completions
2020-12-08 13:32:01 +01:00

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# shellcheck shell=bash
# Return immediately if non-interactive (makes FTP clients happy)
[[ "$-" == *i* ]] || return
##############################################################################
# Customize environment
##############################################################################
export XDG_CACHE_HOME="$HOME/.cache"
export XDG_CONFIG_HOME="$HOME/.config"
export XDG_DATA_HOME="$HOME/.local/share"
export EDITOR="vim"
export INPUTRC="$XDG_CONFIG_HOME/readline/inputrc"
export LANG="en_US.UTF-8"
export LANGUAGE="en_US"
export LC_ALL="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
export LESS="-i -j.49 -M -R -z-2"
export LESSHISTFILE="$XDG_CACHE_HOME/less/history"
export LESSHISTSIZE=1000
export LOCAL_CONFIG="$HOME/.local/etc"
export LOCAL_PREFIX="/usr/local"
if command -v brew &>/dev/null; then
LOCAL_PREFIX="$(brew --prefix)"
export HOMEBREW_NO_ANALYTICS=1
export HOMEBREW_NO_AUTO_UPDATE=1
fi
MANPATH="$(unset MANPATH; manpath)"
export MANPATH
export PAGER=less
export PYTHONSTARTUP="$XDG_CONFIG_HOME/python/startup.py"
# shellcheck disable=SC2016 # This expression is to be interpreted by vim, not bash.
export VIMINIT='let $MYVIMRC="$XDG_CONFIG_HOME/vim/vimrc" | source $MYVIMRC'
##############################################################################
# Customize PATH (and MANPATH)
##############################################################################
# Prevent path_helper from messing with the PATH when starting tmux.
# See: https://superuser.com/a/583502
# shellcheck disable=SC2123 # PATH is being intentionally manipulated here.
# shellcheck disable=SC1091 # /etc/profile is provided by macOS.
[ "$(uname)" == "Darwin" ] && { PATH=""; source /etc/profile; }
_prepend_path() { # 1: dir to add, 2: path variable to manipulate
if [ -d "$1" ] && [ -n "$2" ]; then
local _path="${!2}" # get path variable value
case ":$_path:" in
*":$1:"*) :;; # dir already in path, noop (:)
*) _path="$1${_path:+:}$_path";; # prepend (adding : if not empty)
esac
printf -v "$2" "%s" "$_path" # write back to path variable
fi
}
# Add custom bin dirs to PATH if they exist and are not already in PATH.
while read -r dir; do _prepend_path "$dir" PATH; done <<EOL
$LOCAL_PREFIX/bin
$LOCAL_PREFIX/opt/man-db/libexec/bin
$LOCAL_PREFIX/opt/coreutils/libexec/gnubin
$LOCAL_PREFIX/opt/gnu-sed/libexec/gnubin
$HOME/.local/bin
EOL
# Prepend custom man directories to MANPATH if they exist, so that we get
# correct man page entries when multiple versions of a command are
# available.
while read -r dir; do _prepend_path "$dir" MANPATH; done <<EOL
$LOCAL_PREFIX/share/man
$LOCAL_PREFIX/opt/man-db/libexec/man
$LOCAL_PREFIX/opt/coreutils/libexec/gnuman
$LOCAL_PREFIX/opt/gnu-sed/libexec/gnuman
$HOME/.local/share/man
EOL
unset dir
##############################################################################
# Customize shell options & variables
##############################################################################
shopt -s cdspell checkwinsize globstar histappend nocaseglob
set -o noclobber # Prevent overwriting files with output redirection.
# Eternal bash history (from https://stackoverflow.com/a/19533853)
HISTCONTROL=erasedups
HISTFILESIZE=
HISTSIZE=
HISTTIMEFORMAT="[%F %T] "
HISTFILE="$XDG_CACHE_HOME/bash/history"
# shellcheck disable=SC2034 # these variable are meant for use in shell only
{
# Color definitions (from http://ethanschoonover.com/solarized)
# NAME RGB HEX SGR ANSI TERMCOL XTERM/HEX L*A*B RGB HSB
# ---- ------- --- ---- ------- ----------- ----------- ----------- -----------
Base03=8 Base03_RGB="002B36" # 1;30 8 brblack 234 #1c1c1c 15 -12 -12 0 43 54 193 100 21
Base02=0 Base02_RGB="073642" # 0;30 0 black 235 #262626 20 -12 -12 7 54 66 192 90 26
Base01=10 Base01_RGB="586E75" # 1;32 10 brgreen 240 #585858 45 -07 -07 88 110 117 194 25 46
Base00=11 Base00_RGB="657B83" # 1;33 11 bryellow 241 #626262 50 -07 -07 101 123 131 195 23 51
Base0=12 Base0_RGB="839496" # 1;34 12 brblue 244 #808080 60 -06 -03 131 148 150 186 13 59
Base1=14 Base1_RGB="93A1A1" # 1;36 14 brcyan 245 #8a8a8a 65 -05 -02 147 161 161 180 9 63
Base2=7 Base2_RGB="EEE8D5" # 0;37 7 white 254 #e4e4e4 92 -00 10 238 232 213 44 11 93
Base3=15 Base3_RGB="FDF6E3" # 1;37 15 brwhite 230 #ffffd7 97 00 10 253 246 227 44 10 99
Yellow=3 Yellow_RGB="B58900" # 0;33 3 yellow 136 #af8700 60 10 65 181 137 0 45 100 71
Orange=9 Orange_RGB="CB4B16" # 1;31 9 brred 166 #d75f00 50 50 55 203 75 22 18 89 80
Red=1 Red_RGB="DC322F" # 0;31 1 red 160 #d70000 50 65 45 220 50 47 1 79 86
Magenta=5 Magenta_RGB="D33682" # 0;35 5 magenta 125 #af005f 50 65 -05 211 54 130 331 74 83
Violet=13 Violet_RGB="6C71C4" # 1;35 13 brmagenta 61 #5f5faf 50 15 -45 108 113 196 237 45 77
Blue=4 Blue_RGB="268BD2" # 0;34 4 blue 33 #0087ff 55 -10 -45 38 139 210 205 82 82
Cyan=6 Cyan_RGB="2AA198" # 0;36 6 cyan 37 #00afaf 60 -35 -05 42 161 152 175 74 63
Green=2 Green_RGB="859900" # 0;32 2 green 64 #5f8700 60 -20 65 133 153 0 68 100 60
PS1_DEFAULT=$(tput setaf $Cyan) # user@host color for local sessions
PS1_SSH=$(tput setaf $Yellow) # user@host color in SSH session
PS1_ROOT=$(tput setaf $Orange) # user@host color if logged in as root
PS1_PWD=$(tput setaf $Blue) # PWD color
PS1_EXIT=$(tput setaf $Red) # color for last exit code if non-zero
PS1_GIT=$(tput setaf $Green) # color for git branch
PS1_VENV=$(tput setaf $Violet) # color for python virtual env
PS1_JOBS=$(tput setaf $Magenta) # color for background jobs
PS1_SEP=" > " # separator between prompt parts
PS1_SEP_COLOR="" # is set in __update_colors
PS1_RST=$(tput sgr0)
GIT_PS1_SHOWDIRTYSTATE=1
GIT_PS1_SHOWSTASHSTATE=1
GIT_PS1_SHOWUNTRACKEDFILES=1
GIT_PS1_SHOWUPSTREAM=verbose
}
PROMPT_COMMAND=__ps1_set
PS2="... "
__ps1_set() {
local exit=$?
local sep="$PS1_SEP_COLOR$PS1_SEP"
local host=$PS1_DEFAULT
[ -n "$SSH_CLIENT" ] && host=$PS1_SSH
[ $EUID -eq 0 ] && host=$PS1_ROOT
local prompt=">>>>>>>>>>"
[ $EUID -eq 0 ] && prompt="##########"
local ps=()
[ $exit -ne 0 ] && ps+=("$PS1_EXIT$exit")
ps+=("$host\u@\h")
ps+=("$PS1_PWD\w")
type __git_ps1 && __git_ps1 '' '' "$PS1_GIT%s" && [ -n "$PS1" ] && ps+=("$PS1")
[ -n "$VIRTUAL_ENV" ] && ps+=("$PS1_VENV${VIRTUAL_ENV##*/}")
local j="\j" && [ "${j@P}" -gt 0 ] && ps+=("$PS1_JOBS${j@P} bg")
printf -v PS1 "$sep%s" "${ps[@]:1}"
PS1="\n${ps[0]}$PS1$PS1_RST\n${prompt:0:$SHLVL} "
} &>/dev/null
##############################################################################
# Customize shell aliases
##############################################################################
# Make `ls` group directories first if supported.
if ls --group-directories-first &>/dev/null; then
alias ls="ls -hF --group-directories-first --color=auto" # GNU
else
alias ls="ls -hF -G" # BSD
fi
# Force `ls` to use color output (e.g. for piping into `less`).
if ls --color=auto &>/dev/null; then
alias lsc="ls --color=always" # GNU
else
alias lsc="/usr/bin/env CLICOLOR_FORCE=1 ls" # BSD
fi
alias la="ls -a"
alias ll="ls -l"
alias llc="lsc -l"
alias lla="ls -la"
alias llac="lsc -la"
alias grep="grep --color=auto";
alias egrep="egrep --color=auto";
alias fgrep="fgrep --color=auto";
alias path='echo $PATH | tr -s ":" "\n"'
alias mpath='echo $MANPATH | tr -s ":" "\n"'
alias timer='echo "Timer started. Stop with Ctrl-D." && date && time cat && date'
alias tmux='tmux -f "$XDG_CONFIG_HOME/tmux/tmux.conf"'
# Head and tail as much as fits on screen
alias head='head -n $((${LINES:-15}-5))'
alias tail='tail -n $((${LINES:-15}-5))'
# A few options to get public IP address on command line. The dig solution
# below using the OpenDNS resolver doesn't work when connected to
# ExpressVPN because all DNS requests are handled by the ExpressVPN DNS
# servers and the OpenDNS DNS resolver is blocked.
alias ipinfo="curl -s ipinfo.io"
alias myip="curl -s https://ifconfig.co"
#alias myip="curl -s https://ifconfig.me"
#alias myip="dig +short myip.opendns.com @resolver1.opendns.com"
alias light='_update_colors light'
alias dark='_update_colors dark'
##############################################################################
# Terminal color management
##############################################################################
# Useful terminal control sequences:
#
# Sequence Abbrev Description
# ----- ----- -----------------------------
# ESC P DCS Device Control String
# ESC [ CSI Control Sequence Introducer
# ESC \ ST String Terminator
# ESC ] OSC Operating System Control
#
#
# More info at:
# * https://www.xfree86.org/4.8.0/ctlseqs.html
# * https://vt100.net/
# * https://iterm2.com/utilities/imgcat
# In tmux, OSC sequences can be forwarded to the underlying terminal by:
# * Wrapping the sequence with `DCS tmux; <sequence> ST`
# * Replacing ESC in <sequence> with ESC ESC.
_osc_start() {
if [ -n "$TMUX" ]; then
printf "\ePtmux;\e\e]"
else
printf "\e]"
fi
}
# Either ST or BEL (\a) can be used to end an OSC sequence. However, tmux
# requires ST to end its wrapping DCS.
_osc_end() {
if [ -n "$TMUX" ]; then
printf "\a\e\x5c" # 0x5c == backslash
else
printf "\a"
fi
}
_update_colors() {
export BACKGROUND="$1"
if [ "$BACKGROUND" = "light" ]; then
_set_terminal_colors $Base01_RGB $Base3_RGB $Red_RGB # fg bg cursor
PS1_SEP_COLOR=$(tput setaf $Base1)
else
_set_terminal_colors $Base1_RGB $Base03_RGB $Red_RGB # fg bg cursor
PS1_SEP_COLOR=$(tput setaf $Base01)
fi
if [ -n "$TMUX" ] && [ -f "$XDG_CONFIG_HOME/tmux/tmux-colors.conf" ]; then
tmux set-environment -g BACKGROUND "$BACKGROUND"
tmux source-file "$XDG_CONFIG_HOME/tmux/tmux-colors.conf"
fi
local ls_colors="$HOME/.config/dircolors/solarized-$BACKGROUND"
if type dircolors &>/dev/null && [ -f "$ls_colors" ]; then
eval "$(dircolors "$ls_colors")"
fi
}
_set_terminal_colors() { # 1: foreground, 2: background, 3: cursor
if [ -n "$ITERM_SESSION_ID" ]; then # iTerm2
_set_iterm2_colors "$1" "$2" "$3"
else # assume xterm
_set_xterm_colors "$1" "$2" "$3"
fi
}
# Documentation for iTerm2 at
# https://iterm2.com/documentation-escape-codes.html
# under the heading "Change the color palette".
_set_iterm2_colors() { # 1: foreground, 2: background, 3: cursor
local fg="$1" bg="$2" cursor="$3"
local key rgb
while read -r key rgb; do
_osc_start
printf "1337;SetColors=%s=%s" "$key" "${rgb}"
_osc_end
done <<EOL
black $Base02_RGB
red $Red_RGB
green $Green_RGB
yellow $Yellow_RGB
blue $Blue_RGB
magenta $Magenta_RGB
cyan $Cyan_RGB
white $Base2_RGB
br_black $Base03_RGB
br_red $Orange_RGB
br_green $Base01_RGB
br_yellow $Base00_RGB
br_blue $Base0_RGB
br_magenta $Violet_RGB
br_cyan $Base1_RGB
br_white $Base3_RGB
fg $fg
bg $bg
bold $fg
selfg $Base2_RGB
selbg $Base01_RGB
curfg $cursor
curbg $cursor
link $Cyan_RGB
EOL
_osc_start
printf "1337;CursorShape=2" # set cursor shape to underline
_osc_end
}
# Documentation for xterm at https://www.xfree86.org/4.8.0/ctlseqs.html
# under the heading "Operating System Controls".
_set_xterm_colors() { # $1 foreground, $2 background, $3 cursor
local fg="$1" bg="$2" cursor="$3"
local c rgb Ps
while read -r c rgb; do
# Send sequence OSC Ps BEL
# where Ps -> 4;c;spec
# c -> index of the ANSI color to change [0..15]
# spec -> RGB value of color as rgb:RR/GG/BB
_osc_start
printf "4;%s;rgb:%s/%s/%s" "$c" "${rgb:0:2}" "${rgb:2:2}" "${rgb:4:2}"
_osc_end
done <<EOL
0 $Base02_RGB
1 $Red_RGB
2 $Green_RGB
3 $Yellow_RGB
4 $Blue_RGB
5 $Magenta_RGB
6 $Cyan_RGB
7 $Base2_RGB
8 $Base03_RGB
9 $Orange_RGB
10 $Base01_RGB
11 $Base00_RGB
12 $Base0_RGB
13 $Violet_RGB
14 $Base1_RGB
15 $Base3_RGB
EOL
while read -r Ps rgb; do
# Send sequence OSC Ps ; Pt BEL
# where Ps -> foreground (10), background (11), or cursor (12)
# Pt -> RGB value of color as rgb:RR/GG/BB
_osc_start
printf "%s;rgb:%s/%s/%s" "$Ps" "${rgb:0:2}" "${rgb:2:2}" "${rgb:4:2}"
_osc_end
done <<EOL
10 $fg
11 $bg
12 $cursor
EOL
}
##############################################################################
# Add shell functions
##############################################################################
tree() { command tree --dirsfirst -FI '.git|Spotlight-V100|.fseventsd' "$@"; }
ltree() { tree -C "$@" | less -R; }
# Combined mkdir and cd
mkcd() { mkdir -p -- "$1" && cd -P -- "$1" || return; }
# Colorized `man`
man() {
local rst standout bold underline
rst=$(tput sgr0)
if [ "$BACKGROUND" = "light" ]; then
standout=$(tput -S <<<"$(echo -e "setaf $Base3\nsetab $Cyan")")
bold=$(tput -S <<<"$(echo -e "setaf $Blue")")
underline=$(tput -S <<<"$(echo -e "setaf $Base02\nsmul")")
else
standout=$(tput -S <<<"$(echo -e "setaf $Base03\nsetab $Cyan")")
bold=$(tput -S <<<"$(echo -e "setaf $Yellow")")
underline=$(tput -S <<<"$(echo -e "setaf $Base3\nsmul")")
fi
LESS_TERMCAP_so=$standout \
LESS_TERMCAP_md=$bold \
LESS_TERMCAP_us=$underline \
LESS_TERMCAP_se=$rst \
LESS_TERMCAP_me=$rst \
LESS_TERMCAP_ue=$rst \
GROFF_NO_SGR=1 \
command man "$@"
}
solarized() {
local rst name name_rgb rgb fg bg
rst=$(tput sgr0)
for name in Red Orange Yellow Green Cyan Blue Violet Magenta Base{0{3..0},{0..3}}
do
name_rgb=${name}_RGB
i=
rgb=${!name_rgb}
fg=$(tput setaf "${!name}")
bg=$(tput setab "${!name}")
printf "$bg%6s$rst $fg#$rgb %2d $name$rst\n" '' "${!name}"
done
}
# Print all 256 colors
colortest() {
local i j rst
rst=$(tput sgr0)
for i in $(seq 0 15); do
for j in $(seq 0 15); do
local n=$(( 16 * i + j ))
printf "$(tput setab $n) %3d " $n
done
echo "$rst"
done
}
##############################################################################
# Run external customizations
##############################################################################
stty -ixon # disable ctrl-s and ctrl-q
_update_colors "${BACKGROUND:-dark}"
# shellcheck disable=SC1090
while read -r f; do [ -f "$f" ] && source "$f"; done <<EOF
/usr/share/bash-completion/bash_completion
"$LOCAL_CONFIG/bash/profile"
EOF
unset f
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