# If not running interactively, don't do anything.  This too is taken
# from Debian 9's bashrc.
case $- in
  *i*) ;;
  *) return;;
esac

# use emacs for editor
export EDITOR="emacsclient -c -a emacs"         # $EDITOR opens in terminal
export VISUAL="emacsclient -c -a emacs"         # $VISUAL opens in GUI mode

export LC_ALL="en_AU.utf8"

# Shorter version of a common command that it used herein.
_checkexec ()
{
    command -v "$1" > /dev/null
}

# Machine-specific and personal settings
if [[ -f ~/.bashrc_local ]]; then
  source ~/.bashrc_local
fi

## prompts
# git prompt
if [[ -f /usr/share/git/completion/git-prompt.sh ]]; then
  source /usr/share/git/completion/git-prompt.sh
elif [[ -f /etc/bash_completion.d/git-prompt ]]; then
  source /etc/bash_completion.d/git-prompt
elif [[ -f /usr/share/git-core/contrib/completion/git-prompt.sh ]]; then
  source /usr/share/git-core/contrib/completion/git-prompt.sh
fi

# prompt
RESET="\[\033[0m\]"
RED="\[\033[0;31m\]"
GREEN="\[\033[01;32m\]"
BLUE="\[\033[01;34m\]"
YELLOW="\[\033[0;33m\]"
if [ -n "$SSH_CONNECTION" ]; then
  PS_INFO="$GREEN\u@\h$RESET:$BLUE\w"
else
  PS_INFO="$RESET$BLUE\w"
fi
PS_GIT="$YELLOW\$(__git_ps1)"
PS_TIME="\[\033[\$((COLUMNS-10))G\] $RED[\t]"
PS1="\${PS_FILL}\[\033[0G\]${PS_INFO}${PS_GIT}${PS_TIME}\n${RESET}\$ "
export PS1

# Use bash-completion, if available
[[ $PS1 && -f /usr/share/bash-completion/bash_completion ]] && \
  . /usr/share/bash-completion/bash_completion

# Enable tab completion when starting a command with 'sudo'
[ "$PS1" ] && complete -cf sudo

# Include my scripts in the PATH.
if [ -d "$HOME"/bin ]
then
  PATH=$PATH:"$HOME"/bin
fi

if [ -d "$HOME"/.local/bin ]
then
  PATH=$PATH:"$HOME"/.local/bin
fi

# from ~/.bashrc_local, adding more to PATH
if [[ $(type -t my_local_add_path) == function ]]; then
  my_local_add_path
fi

export PATH

# Default pager.  Note that the option I pass to it will quit once you
# try to scroll past the end of the file.
if [ "$TERM" = "dumb" ]
then
  export PAGER="cat"
  alias less="cat"
else
  export PAGER="less --quit-at-eof"
fi

export MANPAGER="$PAGER"

# Enter directory and list contents
cd ()
{
    if [ -n "$1" ]
    then
        builtin cd "$@" && ls -pvA --color=auto --group-directories-first
    else
        builtin cd ~ && ls -pvA --color=auto --group-directories-first
    fi
}

# Back up a file. Usage "backupthis <filename>"
backupthis ()
{
    cp -riv $1 ${1}-$(date +%Y%m%d%H%M).backup;
}

# append to history file. don't overwrite it.
shopt -s histappend
# increase history size to infinity
export HISTSIZE=-1
export HISTFILESIZE=-1
# ignore ls and history in history
export HISTIGNORE="ls:history"
export HISTTIMEFORMAT="[%F %T] "
export HISTCONTROL=ignoreboth

# aliases
test -s ~/.alias && . ~/.alias || true
alias shutdown='sudo /sbin/shutdown -hP now'
alias reboot='sudo reboot'
alias wifi-menu='sudo /usr/bin/wifi-menu'
alias cd-='cd -'
alias cd#='cd ~'
alias cd..='cd ..'
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias ls='ls --color=always'
alias l.='ls -d .* --color=auto'
alias ll='ls -l'
alias updatedb='sudo updatedb'
# wget it like it's curl
alias wgets="wget -O- 2>/dev/null"
# get url behind one redirection
alias wgre="wget --spider --max-redirect=0"
# wget with spoofing googlebot
alias wggb='wget --header="X-Forwarded-For: 66.249.66.1" --user-agent="Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"'
# this allows to open an url with tor-browser from within emacs, see
# `my-browse-url-tor-browser'
alias tor-browser="tor-browser --allow-remote"
alias which='alias | which -i'
alias chx="chmod +x"
# dedicated emacs instances for emms and erc, see `my-profile' in my
# emacs init files
alias emms='EMACS_PROFILE=emms emacs'
alias erc='EMACS_PROFILE=erc emacs'

# Safer default for cp, mv, rm.  These will print a verbose output of
# the operations.  If an existing file is affected, they will ask for
# confirmation.  This can make things a bit more cumbersome, but is a
# generally safer option.
alias cp='cp -iv'
alias mv='mv -iv'
alias rm='rm -iv'

# git
alias gcgrep='git log --pretty=format:"%h %ad - %an: %<(80,trunc)%s" | grep'

# pacman package manager
if _checkexec pacman
then
  # General package management
  alias pSyu="sudo pacman -Syu"   # system upgrade
  alias pSyyu="sudo pacman -Syyu" # when updating mirrors
  alias pD="sudo pacman -D"       # set `--asdeps` or `--asexplicit`

  # Search remote database and download packages
  alias pSs="pacman -Ss"      # search remote for package
  alias pS="sudo pacman -S"   # sync download
  alias pU="sudo pacman -U"   # install local user package

  # Query the file database
  alias pF="pacman -F"
  pFw()
  {
    pacman -F $(which "$1")
  }

  # Search local database
  alias pQs="pacman -Qs"      # query list
  alias pQmq="pacman -Qmq"    # list foreign packages
  alias pQdt="pacman -Qdt"    # list orphans
  alias pQe="pacman -Qe"      # explicitly installed packages

  # Inspect packages (remote and local)
  alias pSi="pacman -Si"      # remote package details
  alias pQi="pacman -Qi"      # local package details
  alias pQl="pacman -Ql"      # local package file lists
  alias pQo="pacman -Qo"      # which package owns this file
  alias pQc="pacman -Qc"      # show changelog

  # Remove packages
  alias pRs="sudo pacman -Rs"     # remove package
  alias pRnsc="sudo pacman -Rnsc" # remove package recursively
  # similar to apt autoremove
  alias pRat="sudo pacman -Qdtq | sudo pacman -Rs -"

  # Clear cache
  alias pcache1="sudo paccache -rk 1" # remove cache except last item
  alias pcache0="sudo paccache -ruk0" # remove all cache

  # make an aur package
  paur () {
    pkg_name="${1%.tar.gz}"
    tar xvf "$pkg_name.tar.gz"
    cd "$pkg_name"
    makepkg
  }
fi

alias systart="sudo systemctl start"
alias systop="sudo systemctl stop"
alias sysnow="sudo systemctl enable --now"
alias sysdis="sudo systemctl disable"
alias systat="systemctl status"
alias sysres="sudo systemctl restart"
alias sysrelo="sudo systemctl reload"

# from ~/.bashrc_local, more aliases
if [[ $(type -t my_local_aliases) == function ]]; then
  my_local_aliases
fi

#ibus
export GTK_IM_MODULE=ibus
export XMODIFIERS=@im=ibus
export QT_IM_MODULE=ibus

#fix small vlc interface
export QT_AUTO_SCREEN_SCALE_FACTOR=0

# ensure $XDG_RUNTIME_DIR is set
if [ -z "$XDG_RUNTIME_DIR" ]; then  # It's not already set
  XDG_RUNTIME_DIR=/run/user/$UID  # Try systemd created path
  if [ ! -d "$XDG_RUNTIME_DIR" ]; then
    # systemd-created directory doesn't exist
    XDG_RUNTIME_DIR=/tmp/$USER-runtime
    if [ ! -d "$XDG_RUNTIME_DIR" ]; then  # Doesn't already exist
      mkdir -m 0700 "$XDG_RUNTIME_DIR"
    fi
  fi
fi
# Check dir has got the correct type, ownership, and permissions
if ! [[ -d "$XDG_RUNTIME_DIR" && -O "$XDG_RUNTIME_DIR" &&
    "$(stat -c '%a' "$XDG_RUNTIME_DIR")" = 700 ]]; then
  echo "\$XDG_RUNTIME_DIR: permissions problem with $XDG_RUNTIME_DIR:" >&2
  ls -ld "$XDG_RUNTIME_DIR" >&2
  XDG_RUNTIME_DIR=$(mktemp -d /tmp/"$USER"-runtime-XXXXXX)
  echo "Set \$XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR" >&2
fi

# start the agent automatically and make sure that only one
# ssh-agent process runs at a time
if ! pgrep -u "$USER" ssh-agent > /dev/null; then
  ssh-agent -t 600 > "$XDG_RUNTIME_DIR/ssh-agent.env"
fi
if [[ ! "$SSH_AUTH_SOCK" ]]; then
  source "$XDG_RUNTIME_DIR/ssh-agent.env" >/dev/null
fi

# calibre
export CALIBRE_TEMP_DIR=$HOME/tmp

# ccache
export USE_CCACHE=1
export CCACHE_EXEC=/usr/bin/ccache

# cvs
export CVS_RSH="ssh"

# from ~/.bashrc_local, export more stuff
if [[ $(type -t my_local_export) == function ]]; then
  my_local_export
fi

# ghostscript, extract pages into a new file
# gs-extract 4 11 page-4-thru-11.pdf original.pdf
gs-extract() {
  gs -sDEVICE=pdfwrite -dNOPAUSE -dBATCH -dSAFER -dFirstPage=$1 -dLastPage=$2 \
     -sOutputFile=$3 $4
}

# ghostscript, merge files: gs-merge merged.pdf 1.pdf 2.pdf
gs-merge() {
  gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=$*
}