# set -x

# set -u

# XXX

# [[ -f /etc/bashrc ]] && . /etc/bashrc

if [[ -f ~/.env ]]; then

  . ~/.env

fi

shopt -s checkwinsize

shopt -s promptvars

_my_ruler_handler() {

  local ruler='================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================================'

  if [[ -x /usr/bin/tput ]]; then

    local size=`/usr/bin/tput cols`

  elif [[ -x /bin/stty ]]; then

    local size=`/bin/stty size | { read x y; echo $y; }`

  elif [[ -x /usr/bin/stty ]]; then

    local size=`/usr/bin/stty size | { read x y; echo $y; }`

  else

    local size=80

  fi

  ruler=${ruler:0:${size}}

  _my_ruler=$ruler

}

_my_ruler_handler

trap '_my_ruler_handler' SIGWINCH

PS1='\n${_my_ruler}\r$?|\u@\h \w \nbash# '

PS2='> '

case "$TERM" in

    PS1=$'\n\e[34m\e[1m${_my_ruler}\r$?|\e[31m\u\e[35m@\h\e[0m\e[36m \w \n\[\e[1m\e[31m\]bash#\[\e[0m\] '

    PS2=$'\[\e[32m\]> \[\e[0m\]'

  ;;

esac

# Set current directory in terminal emulator title.

case "$TERM" in

    PS1=$'\e]0;bash \u@\h \w\a'"$PS1"

  ;;

esac

if command -v dircolors >/dev/null 2>&1 && [[ -f ~/.dircolors ]]; then

  eval "`dircolors -b ~/.dircolors`"

fi

# Can be XXX /visible. I like bell.

# set bell-style visible

# Don't store duplicate adjacent items in the history.

#   ignorespace     do not save lines that start with space

#   erasedups       all previous lines matching the current line to be removed from

#                   the history list before that line is saved

HISTCONTROL=ignorespace:erasedups

# Don't store noisy/dumb items.

# TIP: MC command start with space.

HISTIGNORE=\

" cd *":\

"vlc *":ls:pwd

# To these options assigned default value, as they satisfy my needs I comment them.

# HISTFILE=~/.bash_history  # where is command history stored

# HISTFILESIZE=500          # how many lines been in $HISTFILE

# HISTSIZE=500              # how many lines been stored in bash process

HISTTIMEFORMAT="%F %T "

# Make Bash append rather than overwrite the history.

shopt -s histappend

shopt -s histreedit

shopt -s histverify

# Technique to share command history across Bash secctions.

# Just run:

#   history -n

# to reload history.

# This setting automatically update history file, but ignore HISTCONTROL=erasedups settings.

# PROMPT_COMMAND='history -a'

# Minor errors in the spelling of a directory component in a cd command will

# be corrected.

shopt -s cdspell

# Save all lines of a multiple-line command in the same history entry.

shopt -s cmdhist

# Allows files beginning with a dot ('.') to be returned in the results of path-name expansion.

shopt -s dotglob

# ksh-88 egrep-style extended pattern matching.

shopt -s extglob

# Enable '**' patttern matching. If the pattern is followed by a /, only dirs match.

shopt -s globstar

# Ignore case in glob.

shopt -s nocaseglob

# Show stopped jobs before exit. Next ^D force to leave bash...

shopt -s checkjobs

# Let me have core dumps

ulimit -c unlimited

################################################################

# shortcut aliases

alias ..="cd .."        #go to parent dir

alias ...="cd ../.."    #go to grandparent dir

alias -- -="cd -"       # go to previous dir

alias l.='ls -d .*'     #list hidden files

alias ll='ls -lhrt'     #extra info compared to "l"

alias lld='ls -lUd */'  #list directories

# I prefer EN man pages.

alias man='LANG=C man'

alias j='jobs '

# make and change to a directory

md () { mkdir -p "$1" && cd "$1"; }

myfind() { find . -iname "$1"; }

# Usage example:

#  mypath EMACSLOADPATH '*.el' \;

#  mypath TEXINPUTS "*cyr*"

#  VAR=`cygpath -p '$INCLUDE'` mypath VAR "windows*"

mypath() {

  local var="$2"

  [[ -z $var ]] && var=PATH

  local delim="$3"

  [[ -z $delim ]] && delim=:

  local split

  IFS="$delim" command eval "read -ra split <<< \"\${$var}\""

  for dir in "${split[@]}"; do

    [[ -z "$dir" ]] && continue

    if [[ -f "$dir"/"$1" ]]; then

      echo "$dir"/"$1"

    else

      ls -d "$dir"/$1 2>/dev/null | cat

    fi

  done

}

_mypath() {

  if [[ $COMP_CWORD = 2 ]]; then

    COMPREPLY=( $(compgen -v -- "${COMP_WORDS[2]}") )

  fi

}

complete -F _mypath mypath

# LANG=C for speed.

alias grep='GREP_COLOR="31;47" LANG=C grep --color=auto'

case $OSTYPE in

  linux*|cygwin) alias ls='ls --color=auto' ;;

esac

alias minicom='minicom -c on'

# Weeks start on Monday.

alias ncal='ncal -M'

# alias diff='LC_ALL=C TZ=GMT0 diff -Naur' #normalise diffs for distribution

# alias sudo='sudo env PATH=$PATH' #work around sudo built --with-secure-path (ubuntu)

# alias vim='vim -X' #don't try to contact xserver (which can hang on network issues)

# alias gdb='gdb -tui' #enable the text window interface if possible

alias dquilt="quilt --quiltrc=${HOME}/.quiltrc-dpkg"

# what most people want from od (hexdump)

# alias hd='od -Ax -tx1z -v'

case $OSTYPE in

  # CYGWIN=noglob causes https://github.com/docker/machine/issues/4516

  cygwin) alias docker-machine='CYGWIN= docker-machine' ;;

esac

# --blank-lines-after-procedures --break-before-boolean-operator --braces-on-if-line --braces-on-struct-decl-line

# --comment-indentationn --space-after-cast --line-comments-indentationn --declaration-indentationn --honour-newlines

# --no-space-after-function-call-names --no-tabs --struct-brace-indentationn --start-left-side-of-comments

alias indent-bifit="indent -bap -bbo -br -brs -cdw -ce -cli0 -c0 -cs -d0 -di0 -hnl -l120 -lc90 -i4 -npcs -ppi 3 -npsl -nut -sbi4 -sc"

# canonicalize path (including resolving symlinks)

# alias realpath='readlink -f'

# Fix lang under X.

alias en="dbus-send --dest=ru.gentoo.KbddService /ru/gentoo/KbddService ru.gentoo.kbdd.set_layout uint32:0"

alias ут="dbus-send --dest=ru.gentoo.KbddService /ru/gentoo/KbddService ru.gentoo.kbdd.set_layout uint32:0"

################################################################

# Key binding.

set -o emacs

################################################################

# Completion.

if [[ -f /etc/bash_completion ]]; then

  # in Debian

  . /etc/bash_completion

  complete -F _quilt_completion dquilt

elif [[ -f /usr/share/bash-completion/bash_completion ]]; then

  # in Cygwin

  . /usr/share/bash-completion/bash_completion

elif [[ -f ~/usr/etc/bash_completion ]]; then

  . ~/usr/etc/bash_completion

fi

# Load local completions.

if [[ -f ~/.bash_completion ]]; then

  . ~/.bash_completion

fi

if [[ -d ~/.bash_completion.d ]]; then

  for f in ~/.bash_completion.d/* ~/.bash_completion.d/.*; do

    [[ -f "$f" ]] && . "$f"

  done

fi

################################################################

# Load custom settings (user editable).

# Placed to the end to allow override skel settings.

if [[ -f ~/.env.local ]]; then

  . ~/.env.local

fi

################################################################

# Useful functions.

datediff() {

  [[ -n "$1" ]] || { echo first argument is missing; return 1; }

  [[ -n "$2" ]] || { echo second argument is missing; return 1; }

  local diff=$(( $(date -d "$1" +%s) - $(date -d "$2" +%s) ))

  local sec=$(( diff % 60 ))

  diff=$(( diff / 60 ))

  local min=$(( diff % 60 ))

  diff=$(( diff / 60 ))

  local hour=$(( diff % 24 ))

  local day=$(( diff / 24 ))

  echo $day days $hour hours $min minutes $sec seconds

}

# For linguistic analysis.

myfreq() {

  ag --nofilename -C1 -- "$1"

  printf '\n\n\e[31mtotal:\e[0m '

  ag --nofilename --count -- "$1" | awk '{c += $1} END {print c}'

}

mygit-date() {

  if [[ -n "$2" ]]; then

    echo Provide only one arg.

    return 1;

  fi

  local sec=$(($RANDOM % 60))

  if [[ ${#sec} = 1 ]]; then

      sec=0$sec

  fi

  if [[ "$1" =~ ^[0-9]{2}:[0-9]{2}$ ]]; then

      local yyyymmdd=`date +%F`

      set "$yyyymmdd $1:$sec"

  elif [[ "$1" =~ ^[0-9]{2}' '[0-9]{2}:[0-9]{2}$ ]]; then

      local yyyymm=`date +%Y-%m`

      set "$yyyymm-$1:$sec"

  elif [[ "$1" =~ ^[0-9]{2}-[0-9]{2}' '[0-9]{2}:[0-9]{2}$ ]]; then

      local yyyy=`date +%Y`

      set "$yyyy-$1:$sec"

  elif [[ "$1" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}' '[0-9]{2}:[0-9]{2}$ ]]; then

      set "$1:$sec"

  elif [[ "$1" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}' '[0-9]{2}:[0-9]{2}:[0-9]{2}$ ]]; then

      :

  else

    echo 'Unsupported format, try hh:mm, "dd hh:mm", "MM-dd hh:mm", "yyyy-MM-dd hh:mm", "yyyy-MM-dd hh:mm:ss"'

    return 1;

  fi

  echo GIT_COMMITTER_DATE='"'"$1"'"' git commit --amend --no-edit --date '"'"$1"'"'

  GIT_COMMITTER_DATE="$1" git commit --amend --no-edit --date "$1"

}

# https://stackoverflow.com/questions/63794347/find-every-decoration-after-given-git-commit

mygit-descendants() {

  git log --graph --decorate --oneline  --simplify-by-decoration ^"$1" $(

    git branch --all --contains "$1" --format '%(objectname)';

    git tag --contains "$1" --format '%(objectname)';

      );

}

mywsl-docker-enable() {

  if [[ -z "$1" ]]; then

    set default

  fi

  while IFS= read -r line; do

    if [[ ! "$line" =~ ^export ]]; then

      continue

    fi

    if [[ "$line" =~ DOCKER_CERT_PATH ]]; then

      local p="${line#*=}"                  # Strip leading 'export var='.

      p="${p#\"}"                           # Strip leading ".

      p="${p%\"}"                           # Strip final ".

      export DOCKER_CERT_PATH=$(wslpath -u $p)

      export DOCKER_1=123

    else

      eval "$line"

    fi

  done < <(docker-machine.exe env --shell bash "$1")

}