bashrc

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples
# test

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

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=10000

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

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

# make less more friendly for non-text input files, see lesspipe(1)
#[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

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

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

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

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

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# 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

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

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

# some more ls aliases
alias ll='ls -l'
alias la='ls -A'
alias l='ls -CF'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# 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

# rny
ipL=$(ip a | grep inet | grep eth0 | awk '{{print $2}}' | awk -F '/' '{{print $1}}' | head -n 1)
if [[ ${JUNEST_ENV} == 1 ]]; then
  ipL+="[junest]"
fi
if [[ ${EUID} == 0 ]] ; then
  PS1="\[\033[01;31m\]root@${ipL}\[\033[01;34m\]:\w \[\033[01;33m\]\$\[\033[00m\] "
else
  PS1="\[\033[01;32m\]\u@${ipL}\[\033[01;34m\]:\w \[\033[01;33m\]\$\[\033[00m\] "
fi
## wsl2
if [[ "$(< /proc/sys/kernel/osrelease)" == *microsoft* ]]; then
  export hostip=$(cat /etc/resolv.conf |grep -oP '(?<=nameserver\ ).*')
  ## clash proxy
  alias setproxy='export all_proxy="http://${hostip}:7890";export http_proxy="$all_proxy";export https_proxy="$all_proxy";curl ip.sb;'
  alias unsetproxy='unset all_proxy;unset http_proxy;unset https_pxory;curl ip.sb;'
fi
export EDITOR=/usr/bin/nvim
export LANG="en_US.UTF-8"
export LESS='-I -M -R'
export SYSTEMD_PAGER=less
export PROMPT_COMMAND="history -a; history -n"

#https://gist.github.com/junegunn/8b572b8d4b5eddd8b85e5f4d40f17236
is_in_git_repo() {
  git rev-parse HEAD > /dev/null 2>&1
}
fzf-down() {
  fzf --height 50% "$@" --border
}
gb() {
  is_in_git_repo || return
  git branch -a --color=always | grep -v '/HEAD\s' | sort |
  fzf-down --ansi --multi --tac --preview-window right:70% \
    --preview 'git log --oneline --graph --date=short --pretty="format:%C(auto)%cd %h%d %s" $(sed s/^..// <<< {} | cut -d" " -f1) -- | head -'$LINES |
  sed 's/^..//' | cut -d' ' -f1 |
  sed 's#^remotes/##'
}
gf() {
  is_in_git_repo || return
  git -c color.status=always status --short |
  fzf-down -m --ansi --nth 2..,.. \
    --preview '(git diff --color=always -- {-1} | sed 1,4d; cat {-1}) | head -500' |
  cut -c4- | sed 's/.* -> //'
}
gh() {
  is_in_git_repo || return
  git log --date=short --format="%C(green)%C(bold)%cd %C(auto)%h%d %s (%an)" --graph --color=always |
  fzf-down --ansi --no-sort --reverse --multi --bind 'ctrl-s:toggle-sort' \
    --header 'Press CTRL-S to toggle sort' \
    --preview 'grep -o "[a-f0-9]\{7,\}" <<< {} | head -1 | xargs git show --color=always | head -'$LINES |
  grep -o "[a-f0-9]\{7,\}" | head -1
}
gr() {
  is_in_git_repo || return
  git remote -v | awk '{print $1 "\t" $2}' | uniq |
  fzf-down --tac \
    --preview 'git log --oneline --graph --date=short --pretty="format:%C(auto)%cd %h%d %s" --remotes={1} | head -200' |
  cut -d$'\t' -f1
}
gt() {
  is_in_git_repo || return
  git tag --sort -version:refname |
  fzf-down --multi --preview-window right:70% \
    --preview 'git show --color=always {} | head -'$LINES
}
[ -f /usr/share/fzf/completion.bash ] && . /usr/share/fzf/completion.bash
[ -f /usr/share/fzf/key-bindings.bash ] && . /usr/share/fzf/key-bindings.bash
if [ -f /usr/bin/fzf ]; then
    export FZF_DEFAULT_OPTS='--height 50% --layout=reverse --border'
    FZF_PREVIEW_OPT='(rougify {} ||
                      highlight -O ansi -l {} ||
                      cat {} ||
                      tree -C {}) 2> /dev/null | head -50'
    #export FZF_CTRL_T_OPTS="--preview '(highlight -O ansi -l {} 2> /dev/null || cat {} || tree -C {}) 2> /dev/null | head -200'"
    export FZF_CTRL_T_OPTS="--preview '$FZF_PREVIEW_OPT'"
    # Options to fzf command
    export FZF_COMPLETION_OPTS='+c -x'
    export FZF_ALT_C_OPTS="--preview 'tree -C {} | head -200'"
    if [ -f  /usr/bin/fd ]; then
        # Use fd (https://github.com/sharkdp/fd) instead of the default find
        # command for listing path candidates.
        # - The first argument to the function ($1) is the base path to start traversal
        # - See the source code (completion.{bash,zsh}) for the details.
        _fzf_compgen_path() {
              fd --hidden --follow --exclude ".git" . "$1"
        }
        # Use fd to generate the list for directory completion
        _fzf_compgen_dir() {
              fd --type d --hidden --follow --exclude ".git" . "$1"
        }
    fi
fi

ex ()
{
  if [ -f $1 ] ; then
    case $1 in
      *.tar.bz2)   tar xjf $1   ;;
      *.tar.gz)    tar xzf $1   ;;
      *.bz2)       bunzip2 $1   ;;
      *.rar)       unrar x $1     ;;
      *.gz)        gunzip $1    ;;
      *.tar)       tar xf $1    ;;
      *.tbz2)      tar xjf $1   ;;
      *.tgz)       tar xzf $1   ;;
      *.zip)       unzip $1     ;;
      *.Z)         uncompress $1;;
      *.7z)        7z x $1      ;;
      *)           echo "'$1' cannot be extracted via ex()" ;;
    esac
  else
    echo "'$1' is not a valid file"
  fi
}
# rny end