dotfiles-mirror/shrc

#!/bin/sh

# TODO: decide the naming scheme of variables (global, local, ...)

expr "$-" : '^.*i' >/dev/null || return

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

__shrc_lock=/tmp/shrc_lock.$USER.$$
test -f "$__shrc_lock" && return
touch "$__shrc_lock"


##########################################
null(){
    "$@" >/dev/null 2>&1
}
__safe_run(){
    type $1 >/dev/null 2>&1 && "$@"
}

__match(){
    # __match str word
    # return 0 if word is found in str
    expr "$1" : ".*$2.*" >/dev/null
}

__lf=$'\n'
__cr=$'\r'

# For normal cases TMP is set in ./profile
test -n "$TMP" || export TMP=/tmp/${USER}-tmp
mkdir -p "$TMP"

__homerun="$HOME/.var/run"
mkdir -p "$__homerun"

##########################
# system type

gnu_coreutils=false      # for mac
null ls --version && gnu_coreutils=true

inbash=false
inzsh=false

if test -n "$BASH_VERSION"
then
    inbash=true
elif test -n "$ZSH_VERSION"
then
    inzsh=true
fi

#################################
# file pathes:
#     shrc: Path to this file

if $inbash
then
    __shrc="$BASH_SOURCE"
elif $inzsh
then
    __shrc="$0"
fi

#########################
# system detection
__system_shrc="$__homerun/system.shrc"

if test -f "$__system_shrc"
then
    . "$__system_shrc"
else
    ismsys=false
    iscygwin=false
    iswindows=false

    isdarwin=false
    isfreebsd=false
    isbsd=false

    islinux=false

    # $OSTYPE is another choice. which is better?
    # NOTE: sh on FreeBSD does not define OSTYPE
    case `uname` in
        MINGW*) ismsys=true ;;
        CYGWIN*) iscygwin=true ;;
        Darwin*) isdarwin=true ;;
        FreeBSD*) isfreebsd=true ;;
        Linux*) islinux=true ;;
    esac
    ($ismsys || $iscygwin) && iswindows=true
    # is this true?
    ($isdarwin || $isfreebsd) && isbsd=true

    # dump system detection result
    cat <<__EOC__ >"$__system_shrc"
#!/bin/sh

# $__system_shrc

ismsys=$ismsys
iscygwin=$iscygwin
iswindows=$iswindows

isdarwin=$isdarwin
isfreebsd=$isfreebsd
isbsd=$isbsd

islinux=$islinux
__EOC__
fi

$ismsys && export HOSTNAME

# adhoc fix for ansible on cygwin
# http://blog.s-uni.net/2013/08/27/ansible-running-on-cygwin/
if $iscygwin
then
    export ANSIBLE_SSH_ARGS="-o ControlMaster=no"
fi

##########################
# Terminal setups

if ! $iswindows && null type stty
then
    stty stop undef        # unbind C-s to stop displaying output
    # stty erase '^h'
fi

if $inbash
then
    # https://unix.stackexchange.com/questions/1288/preserve-bash-history-in-multiple-terminal-windows
    # Avoid duplicates
    HISTCONTROL=ignoredups:erasedups
    # When the shell exits, append to the history file instead of overwriting it
    shopt -s histappend
fi

# Zsh specific preferences
# http://www.clear-code.com/blog/2011/9/5.html
if $inzsh
then
    bindkey -e

    # http://zsh.sourceforge.net/Guide/zshguide06.html#l147
    autoload compinit; compinit
    # supress cycle by tab
    unsetopt auto_menu
    # unsetopt correct
    setopt complete_aliases
    setopt auto_list
    setopt bash_auto_list
    setopt magic_equal_subst
    setopt list_types
    # what is the difference of these two?
    setopt auto_param_slash
    setopt mark_dirs
    zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
    zstyle ':completion:*' format '%B%d%b'
    zstyle ':completion:*' group-name ''
    zstyle ':completion:*' use-cache yes
    # zstyle ':completion:*:cd:*' tag-order local-directories
    zstyle ':completion:*' completer _complete _bash_completions \
           _history
    # zstyle ':completion:*:*:cd:*' completer
    zstyle ':completion:*' accept-exact-dirs true
    zstyle ':completion:*' special-dirs true

    autoload colors; colors

    # autoload -Uz promptinit
    # promptinit
    # prompt walters

    setopt hist_ignore_dups
    setopt hist_ignore_all_dups
    setopt hist_save_no_dups
    setopt extended_history
    setopt share_history
    setopt append_history
    HISTFILE=$HOME/.zsh-history
    HISTSIZE=100000
    SAVEHIST=100000

    setopt prompt_subst

    setopt interactive_comments
fi

######################
# Print welcome messages

if command -v lolcat >/dev/null
then
    alias __safe_lolcat=lolcat
else
    alias __safe_lolcat=cat
fi
if command -v cowsay >/dev/null
then
    alias __safe_cowsay=cowsay
else
    alias __safe_cowsay=cat
fi

# command -v fortune >/dev/null && {
#     fortune | __safe_cowsay | __safe_lolcat
#     echo
#     fortune -o | __safe_cowsay | __safe_lolcat
#     echo
# }

# if null type figlet && null type lolcat
# then
#     echo `whoami`@`hostname` | figlet | lolcat
# fi
# echo

if command -v neofetch >/dev/null
then
    neofetch
elif command -v screenfetch >/dev/null
then
    screenfetch
fi

uname -a
$iswindows && alias tty="echo cmd.exe"
echo TERM $TERM with $(tput colors) colors using $(tty)
echo umask: `umask -S`

__safe_run id `whoami`
# echo
## A bit heavy command
# finger `whoami`
__safe_run w `whoami`

# if null type tmux
# then
#     echo
#     echo tmux sessions:
#     tmux ls 2>/dev/null| sed -e 's/^/  /g'
#     echo
# fi

# if test -n "$TMUX"
# then
#     tmux display -p \
#         'TMUX #S:#I:#W.#P, client TERM: #{client_termname}' \
#         2>/dev/null
#     echo
# fi

if test -n "$__MY_DTACH"
then
    echo
    echo DSession: Current Session: "`basename "$__MY_DTACH"`"
    echo DSession: Press C-^ to Exit.
    true
fi

i(){
    w
    ss -lnp
    ps aufx
    df -h
    top -b -d 1 -n 1
    top -b -d 1 -n 1 -a
    dstat -taf 1 10
}

###################################
# some aliases and functions

# __func_name: never used interactively
# _func_name: usually not used interactively

__safe_alias(){
    # __safe_alias <name>=<command>
    _bin=`expr "$1" : '^[^=]*=\([^ ]*\)'`
    test -n "$_bin" && \
        null type $_bin && \
        alias "$1"
}

$gnu_coreutils && _timeoption=" --time-style=long-iso"
# color prefs
if $gnu_coreutils
then
    # http://qiita.com/yuyuchu3333/items/84fa4e051c3325098be3
    # gnu coreutils LS_COLORS is used
    null type dircolors && eval `dircolors`
    _coloroption=" --color=auto"
else
    # export LSCOLORS=gxfxcxdxbxegedabagacad
    export LSCOLORS=DxGxcxdxCxegedabagacad
    export CLICOLOR=1
fi
alias ls="ls -hCF${_coloroption}${_timeoption}"

_timeformat_iso="%Y-%m-%dT%H:%M:%S%z"
_timeformat_rfc2822="%a, %d %b %Y %T %z"
_timeformat_num="%Y%m%d%H%M%S"
alias datenum="date +$_timeformat_num"

alias less="less -FX"
__safe_alias em="emacs -nw"
test -n "$_VI_ALT" && alias vi=$_VI_ALT
alias pstree="LANG=C pstree"
alias cp="cp -v"
alias mv="mv -v"
alias rm="rm -v"
alias mkdir="mkdir -v"
$gnu_coreutils && alias rmdir="rmdir -v"
alias psaux="ps auxww"
alias modest="ionice -c 2 -n 7 nice -n 19"
alias e=exec
__safe_alias e3=e3em
#alias dirs="dirs -v -l | \grep -v \$(printf '%s$' \$PWD)"
alias po=popd
alias pu=pushd
__safe_alias sudoe="sudoedit"

__safe_alias ge="git exec"

__safe_alias make="nice make"
__safe_alias brew="nice brew"
__safe_alias gcc="nice gcc"
__safe_alias go="nice go"
__safe_alias git="nice git"
__safe_alias javac="nice javac -J-Duser.language=en"
__safe_alias ansible-playbook="nice ansible-playbook"

alias rand="echo \$RANDOM"
__safe_alias py3=python3
__safe_alias py2=python2
__safe_alias ipy=ipython
__safe_alias ipy3=ipython3
__safe_alias ipy2=ipython2
__safe_alias ipy=ptpython
__safe_alias ipy3=ptpython3

__safe_alias rl=rlwrap
__safe_alias igosh=gosh-rl

__safe_alias pipenv="env -u PIP_USER pipenv"
__safe_alias pipx="env -u PIP_USER pipx"

alias f='less `fzf`'


# Sometimes SHELL cannot be used. For example, when running bash inside zsh
# SHELL is set to be /bin/zsh
if $inbash
then
    alias _reloadrc="rm '$__shrc_lock'; exec bash"
elif $inzsh
then
    alias _reloadrc="rm '$__shrc_lock'; exec zsh"
else
    alias _reloadrc="rm '$__shrc_lock'; exec $SHELL"
fi
# alias mytime="date +%Y%m%d-%H%M%S"
alias sh="ENV=$HOME/.shrc PS1=\$\  PROMPT_COMMAND="" sh"

# some extra utilities
__safe_alias mpg123="mpg123 -C -v --title"
#export PLAYER="mpg123 -C -v --title"

__safe_alias screen="screen -e^z^z"
#alias zcd="cd \`zenity --file-selection --directory\`"
__safe_alias gtags="gtags --verbose"
__safe_alias htags="htags --xhtml --symbol --line-number \
--frame --alphabet --verbose"
__safe_alias au=aunpack
# __safe_alias lv="lv|less"
__safe_alias rs="rsync --progress --itemize-changes --compress"
__safe_alias vagr=vagrant

__safe_alias ztw='twitter set "`zenity --entry --title ztw --text Status:`"'

if $isdarwin
then
    alias updatedb="LC_ALL=C updatedb"
    # do not use locate installed by macports
    test -x /usr/bin/locate && alias locate="/usr/bin/locate"
fi

# somehow not work
# typeset -ga chpwd_functions
# chpwd_functions+=pwd

# chpwd(){
#     pwd
# }
cd(){
    builtin cd "$@" && pwd
}

root(){
    if test "`git rev-parse --is-inside-work-tree 2>/dev/null`" = true
    then
        cd "`git rev-parse --show-toplevel`"
    else
        cd /
    fi
}

__find_latest_vimdir(){
    vimdir=/usr/share/vim
    if test -d "$vimdir"
    then
        find "$vimdir" -name 'vim??' -type d | sort | tail -n 1
    else
        echo ""
    fi
}

for f in /usr/share/vim/vimcurrent "`__find_latest_vimdir`"
do
    test -n "$f" || continue
    f="$f/macros/less.sh"
    test -f $f && alias vl=$f && break
done

__safe_alias pa="pacman --color=always"
__safe_alias pa="pacmatic --color=always"
__safe_alias pa="pacapt"

__safe_alias yt=yaourt
# variable for yaourt
null type pacmatic && export PACMAN="pacmatic"

__safe_alias cower="cower --color=auto"

__my_pacman_update_mirrorlist_with_reflector(){
    f=/etc/pacman.d/mirrorlist
    cmd="$(expr "$(grep -m 1 reflector $f)" : '# With: *\(.*\)')"
    if test -z "$cmd"
    then
        cmd="reflector --verbose --number 5 --sort rate --protocol http --protocol https --save $f"
    fi
    echo ">>> $cmd ..." 1>&2
    sudo sh -c "$cmd" && cat $f
}
null type reflector && test -d /etc/pacman.d && \
    alias reflect_mirrorlist=__my_pacman_update_mirrorlist_with_reflector

null type apt-get && {
    alias aupgrade="sudo sh -xc 'apt-get autoremove --yes && \
apt-get update --yes && apt-get upgrade --yes'"
    alias aptin="apt-get install"
    alias aptsearch="apt-cache search"
    alias aptshow="apt-cache show"
}

null type port && {
    alias port="port -v"
    alias pupgrade="sudo sh -xc 'port -v selfupdate && \
port -v upgrade outdated'"
}

if $iscygwin
then
    null type windate || \
        alias windate="cmd.exe //c 'echo %DATE%-%TIME%'"
    # alias cygsu="cygstart /cygwinsetup.exe"
fi

mkpatch(){
    if test $# -eq 0
    then
        echo "usage: mkpatch <olddir> <newdir>"
    elif ! test -d "$1"
    then
        echo "mkpatch: $1 is not a directory"
    elif ! test -d "$2"
    then
        echo "mkpatch: $2 is not a directory"
    else
        diff -Naur "$1" "$2"
    fi
}

__sdcv_less(){
    command sdcv -n "$@" | less --quit-if-one-screen
}

command -v sdcv >/dev/null && alias dict=__sdcv_less

__safe_alias g="git "

if null type _git && $inbash
then
    # enable programmable completion for g
    complete -o bashdefault -o default -o nospace -F _git g 2>/dev/null \
        || complete -o default -o nospace -F _git g
fi
#git svn --help >/dev/null 2>&1 && alias gsvn="git svn"

__safe_alias m=gitmemo

#alias setup.py3="sudo python3 setup.py install --record files.txt"

randomstr(){
    len=$1
    test -z "$len" && len=8
    uuidgen | tr -d - | cut -c 1-len
}

datestr(){
    # datestr YYYYMMDDhhmmss
    if test -z "$1" || test "$1" = "-h"
    then
        echo "datestr: usage: datestr <YYYYMMDDhhmmss>"
        return 1
    fi

    # actual format for date command
    dfmt="`echo "$1" | \
sed -e 's/YYYY/%Y/g' -e 's/yyyy/%Y/g' -e 's/YY/%y/g' -e 's/yy/%y/g' |\
sed -e 's/MM/%m/g' -e 's/DD/%d/g' -e 's/dd/%d/g' | \
sed -e 's/HH/%H/g' -e 's/hh/%H/g' -e 's/mm/%M/g' -e 's/SS/%S/g' -e 's/ss/%S/g'`"
    date +"$dfmt"
}

# ssh(){
#     # __my_terminal_title ssh
#     command ssh "$@"
# }

__ssh_with_cd(){
    # __ssh_with_cd <host> <directory> [<arg> ...]
    if test -z "$2"
    then
        echo "usage: __ssh_with_cd <host> <directory> [<arg> ...]"
        return 1
    fi
    host="$1"
    shift
    dir="$1"
    shift
    ssh "$host" "$@" -t "cd \"$dir\"; \$SHELL -l"
}

memo(){
    if test -z "$1"
    then
        _memo="memo.txt"
    else
        _memo="$1/memo.txt"
    fi
    $EDITOR "$_memo"
    if test -z "`cat "$_memo"`"
    then
        echo "$_memo is empty. Removing."
        rm "$_memo"
    fi
}

now(){
    ___tformat="%Y/%m/%d %H:%M:%S %z"
    cal
    REPLY=
    printf "\\r`date "+${___tformat}"`"
    read -t 1
    while test $? -ne 0
    do
        printf "\\r`date "+${___tformat}"`"
        read -t 1
    done
}

s(){
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        echo ">> git grep -n $@" 1>&2
        git grep -n "$@"
    elif which ag >/dev/null 2>&1
    then
        echo ">> ag --pager=\"$PAGER\" $@" 1>&2
        ag --pager="$PAGER" "$@"
    elif which ack >/dev/null 2>&1
    then
        echo ">> ack --pager=\"$PAGER\" $@" 1>&2
        ack --pager="$PAGER" "$@"
    else
        echo \
            ">> find . " \
            "-path '*/.git' -prune -o" \
            "-path '*/.svn' -prune -o" \
            "-type f -exec grep -nH -e --color=always $@ {} +" 1>&2
        if test $# -eq 0
        then
            echo "No search word given." 1>&2
            return 1
        fi
        find . \
             -path '*/.git' -prune -o \
             -path '*/.svn' -prune -o \
             -type -f -exec grep -nH -e --color=always "$@" {} + \
            | $PAGER
    fi
}

MYMANPATH='/usr/lib/erlang/man'
if $inbash || $inzsh
then
    man(){
        env \
            LESS_TERMCAP_mb=$(printf "\e[1;35m") \
            LESS_TERMCAP_md=$(printf "\e[1;31m") \
            LESS_TERMCAP_me=$(printf "\e[0m") \
            LESS_TERMCAP_se=$(printf "\e[0m") \
            LESS_TERMCAP_so=$(printf "\e[1;44;33m") \
            LESS_TERMCAP_ue=$(printf "\e[0m") \
            LESS_TERMCAP_us=$(printf "\e[1;32m") \
            MANPATH="`manpath`:$MYMANPATH" \
            man "$@"
    }
fi

netwait(){
    while ! ping -c 1 -t 1 example.com
    do
        true
    done
    echo network works.
}

__realpath(){
    if type realpath >/dev/null 2>&1
    then
        command realpath "$@"
    else
        while ! test -d $1
        do
            shift
        done
        (command cd "$d" && echo "$PWD")
        # local d="$OLDPWD"
        # command cd "$1"
        # echo "$PWD"
        # command cd "$d"
    fi
}

if $isdarwin
then
    # I want to use env -u, but darwin env does not provide this option
    null type tmux && alias tmux='SHLVL= tmux'
else
    null type tmux && alias tmux='env -u SHLVL tmux'
fi
tx(){
    tmux start-server
    if test -z "$1"
    then
        echo "usage: tx [<session_name>]"
        tmux list-sessions
    elif test -z "$TMUX"
    then
        # -A: attach if already exists
        # tmux new-session -A -c "$HOME" -s "$1"
        tmux new-session -A -s "$1"
    else
        # create new session if not exists yet
        # tmux has-session -t "$1" || TMUX= tmux new-session -d -c "$HOME" -s "$1"
        tmux has-session -t "$1" || TMUX= tmux new-session -d -s "$1"
        tmux switch-client -t "$1"
    fi
}

scr(){
    test -n "$1" && pf="${1}-"
    ___tformat="%Y%m%d-%H%M%S%z"
    ___file="${PWD}/${pf}`date +${___tformat}`.script"
    __MY_SCRIPT=${___file} script ${___file} "$@"
}

dtscr(){
    # dtscr <command ...>
    if test -z "$1"
    then
        echo "dtscr: usage: dtscr <command ...>"
        return 1
    fi

    ___cmdstr="`echo $@ | tr ' ' +`"
    ___tformat="%Y%m%d-%H%M%S%z"
    ___name="${pf}`date +${___tformat}`-${___cmdstr}"

    ___scr_file="${HOME}/${___name}.script"

    ___dt_dir="${TMP}/dtscr"
    mkdir -p "$___dt_dir"

    dtach -n "${___dt_dir}/${___name}" script "${___scr_file_}" "$@"
    # echo $_name
    # echo $_file
}

mcrypt_stream(){
    test $# -eq 2 || return 1
    case $1 in
        en)
            mcrypt --key $2 | base64 ;;
        de)
            base64 -d | mcrypt -d --key $2 ;;
    esac
}

gpg_stream(){
    test $# -eq 2 || return 1
    case $1 in
        en)
            gpg --passphrase $2 -c --batch |base64 ;;
        de)
            base64 -d|gpg --passphrase $2 -d --batch ;;
    esac
}
dgpg(){
    if test "$1" = help || test -z "$2"
    then
        echo "dgpg: dgpg <en|de> <src-suffix> [<dst-suffix>]" 1>&2
        return
    fi
    ___srcs="$2"
    ___dsts="$3"
    test -z "$___dsts" && ___dsts="${___srcs}.out"
    ___pw=
    echo -n "dgpg pw: "
    read -s ___pw
    echo ""
    test -z "$___pw" && return 1
    for f in *${___srcs}
    do
        ___d="$(basename "$f" "${___srcs}")${___dsts}"
        echo -n "Processing $f to $___d..."
        if test -d "$f"
        then
            echo "`printf 'failed (%s is directory)' $f`"
        elif test -f "$___d"
        then
            echo "`printf 'failed (%s is already exists)' $___d`"
        elif <"$f" gpg_stream $1 $___pw >"$___d" 2>/dev/null
        then
            echo "done"
        else
            echo "failed"
            test -f "$___d" && rm "$___d"
        fi
    done
}

alias enst="gpg_stream en"
alias dest="gpg_stream de"

showinfo(){
    echo "Japanese letters are 表示可能"

    __safe_run diskinfo

    ! $isdarwin && test -n "${DISPLAY}" && {
            __safe_run xrandr | \grep --color=never ^Screen
        }

    $iswindows || __safe_run finger $USER
    LANG=C __safe_run id
    __safe_run xset q
}

x(){
    if [[ -z $DISPLAY ]] && ! [[ -e /tmp/.X11-unix/X0 ]] && (( EUID )); then
        #mkdir -p ~/.var/log
        # nohup startx >~/.var/log/xorg.log 2>&1 &
        # exit
        exec startx
    else
        echo "X cant be started! Another X is already running?" 1>&2
    fi
}

bak(){
    for file in "$@"
    do
        cp -v ${file} ${file}.bak
    done
}

di(){
    if null type git
    then
        git --git-dir= diff "$@"
        ___diffcmd="git --git-dir= diff"
    else
        if type colordiff >/dev/null 2>&1 && test $TERM != dumb
        then
            ___diffcmd=colordiff
        else
            ___diffcmd=diff
        fi
        ${___diffcmd} -u "$@" | ${PAGER}
    fi
}

__trash_func(){
    __datenum=`date +%Y%m%d-%H%M%S`
    __tb="$HOME/.var/tb/$__datenum"
    mkdir -p "$__tb"
    mv "$@" "$__tb"
}
__safe_alias tb=__trash_func
__safe_alias tb=trash


mkdd(){
    _d=`date +%Y%m%d-%H%M%S` && \
        mkdir -p "$_d"
}

mkcd(){
    if test -z "$1"
    then
        echo "mkcd: usage: mkcd <dir>"
        return 1
    elif test -d "$1"
    then
        echo "Dir \"$1\" already exists."
    else
        mkdir -p "$1"
        echo "Dir \"$1\" created."
    fi
    cd "$1"
}

mkcdd(){
    # make and change date directory
    _d=`date +%Y%m%d-%H%M%S` && \
        mkcd "$_d"
}

__catclip(){
    if $iswindows
    then
        cat /dev/clipboard | tr -d \\r
    elif $isdarwin
    then
        pbpaste
    else
        xclip -o -selection "clipboard"
    fi
}

__setclip(){
    if test $# -eq 0
    then
        exec 3<&0
    else
        exec 3<<__EOF__
`cat "$@"`
__EOF__
    fi
    if $iswindows
    then
        0<&3 sed -e 's/$/\r/' | tee /dev/clipboard
    elif $isdarwin
    then
        pbcopy 0<&3
    else
        0<&3 xclip -i -f -selection "primary" | \
            xclip -i -f -selection "clipboard"
    fi
    exec 3<&-
}

# Now Homebrew 10sr/pkg/bin provides these commands:
# Fallback to aliases if commands are not installed yet
which catclip >/dev/null || alias catclip=__catclip
which setclip >/dev/null || alias setclip=__setclip

convmv_sjis2utf8_test(){
    convmv -r -f sjis -t utf8 *
}

convmv_sjis2utf8_notest(){
    convmv -r -f sjis -t utf8 * --notest
}


#################################################
## pastebin services
## https://wiki.archlinux.org/index.php/List_of_Applications/Internet#Pastebin_clients

sprunge(){
    # http://sprunge.us
    if test -z "$1"
    then
        curl -F 'sprunge=<-' http://sprunge.us
    else
        curl http://sprunge.us/$1
    fi
}

dpaste(){
    # http://dpaste.de
    if test -z "$1"
    then
        curl -F 'content=<-' https://dpaste.de/api/
        echo
    else
        curl https://dpaste.de/$1/raw/
    fi
}


######################################
## Prompt Settings

__my_moc_state(){
    type mocp >/dev/null 2>&1 || return
    test "`mocp -Q %state 2>/dev/null`" = PLAY || return
    printf "$1" "`mocp -Q %title 2>/dev/null`"
}

__my_parse_svn_branch() {
    ___svn_url=$(LANG=C svn info 2>/dev/null | sed -ne 's#^URL: ##p')
    ___svn_repository_root=$(LANG=C svn info 2>/dev/null | \
                                 sed -ne 's#^Repository Root: ##p')
    echo ${___svn_url} | sed -e 's#^'"${___svn_repository_root}"'##g' | \
        awk '{print $1}'
}

__my_svn_ps1(){
    if svn status >/dev/null 2>&1
    then
        ___svn_branch=$(__my_parse_svn_branch)
        test -n "${___svn_branch}" && printf "$1" "{$___svn_branch}"
    fi
}

__my_battery_status(){
    ___dir=/sys/class/power_supply/BAT0
    if test -d $___dir && test -r $___dir/status && test -r $___dir/charge_full && \
            test -r $___dir/charge_now
    then
        ___st=$(cat $___dir/status)
        ___full=$(cat $___dir/charge_full)
        ___now=$(cat $___dir/charge_now)
        ___rate=$(expr "$___now" \* 100 / "$___full")
        printf "$1" "${___st}:${___rate}%"
    fi
}

__my_ps1_scale(){
    if null type stty && ! $ismsys
    then
        echo "[LxC:`stty size | tr -d $'\n' | tr " " x`]"
    fi
}

__my_ps1_tmux(){
    null type tmux || return $last
    ___tmuxc="$(tmux display -p '#S:#I:#W.#P' 2>/dev/null)"
    test -n "$TMUX" && echo "[TMUX:$___tmuxc]"
}

__my_ps1_moc(){
    __my_moc_state "[MOC:%s]"
}

for f in /usr/share/git/git-prompt.sh \
             /Applications/Xcode.app/Contents/Developer/usr/share/git-core/git-prompt.sh \
             /usr/local/opt/bash-git-prompt/share/gitprompt.sh \
             "`brew --prefix 2>/dev/null`"/etc/bash_completion.d/git-prompt.sh \
             /usr/share/git-core/contrib/completion/git-prompt.sh \
             /usr/local/share/git-core/contrib/completion/git-prompt.sh \
             /etc/bash_completion.d/git-prompt \
             /opt/local/share/git-core/git-prompt.sh \
             /opt/local/share/doc/git-core/contrib/completion/git-prompt.sh
do
    if test -r "$f" && ($inbash || $inzsh)
    then
        . "$f"
        break
    fi
done
export GIT_PS1_SHOWDIRTYSTATE=t
export GIT_PS1_SHOWUPSTREAM=t
__my_ps1_git(){
    null type __git_ps1 || return $last
    null git rev-parse --git-dir >/dev/null 2>&1 || return $last
    __git_ps1 "[GIT:$(__safe_run git config --get user.name):%s]"
}

__printf_ipaddr(){
    # ipaddress <fmt>
    type ip >/dev/null 2>&1 || return 1
    ___ip=$(LANG=C ip addr show scope global | \
                \grep --color=never --only-matching 'inet [^ ]*' | cut -d " " -f 2)
    test -n "$___ip" && printf "$1" $___ip
}

alias addr="__printf_ipaddr '%s'"

__my_ps1_ipaddr(){
    ! $iswindows && __printf_ipaddr '[Addr:%s]'
}

__my_ps1_bttry(){
    ___bst="$__homerun/batterystatus"
    if test -z "$DISPLAY" && ! $iswindows
    then
        test -f $___bst && ___bstr="$(cat $___bst)"
        test -n "$___bstr" && ! echo $___bstr | grep 100 >/dev/null 2>&1 && \
            echo "[Battery:${___bstr}]"
        __my_battery_status %s >$___bst &
    fi
}

__my_ps1_memo(){
    test -f memo.txt && echo "m:$(echo $(wc -c memo.txt) | cut -f 1 -d " ")"
}

__my_ps1_dirs(){
    dirs | wc -l
}

__my_ps1_jobs(){
    # __my_ps1_jobs [<num>]
    if test -n "$1"
    then
        jobs="$1"
    else
        jobs="`jobs | wc -l`"
    fi
    if test "$jobs" -gt 0
    then
        echo "JOBS:$jobs"
    fi
}

__my_ps1_dollar(){
    if test -z "$SHLVL"
    then
        printf "$1"
    else
        perl -e 'while($ARGV[0]-- > 0){print "$ARGV[1]";}' $SHLVL "$1"
    fi
}

__my_alert_fail(){
    test $laststatus -eq 0 || \
        echo "STATUS:${laststatus}"
}

# About ansi escape sequences
# http://archive.linux.or.jp/JF/JFdocs/Bash-Prompt-HOWTO-5.html
# http://www.grapecity.com/japan/powernews/column/clang/047/page02.htm


if $inbash || $inzsh
then
    if $inzsh
    then
        __attr_beg=$'%{\033['
        __attr_end='m%}'
    else
        __attr_beg='\[\033['
        __attr_end='m\]'
    fi

    __color_default="${__attr_beg}0${__attr_end}"

    __color_black="${__attr_beg}0;30${__attr_end}"
    __color_red="${__attr_beg}0;31${__attr_end}"
    __color_green="${__attr_beg}0;32${__attr_end}"
    __color_yellow="${__attr_beg}0;33${__attr_end}"
    __color_blue="${__attr_beg}0;34${__attr_end}"
    __color_magenta="${__attr_beg}0;35${__attr_end}"
    __color_cyan="${__attr_beg}0;36${__attr_end}"
    __color_white="${__attr_beg}0;37${__attr_end}"

    __color_light_black="${__attr_beg}1;30${__attr_end}"
    __color_light_red="${__attr_beg}1;31${__attr_end}"
    __color_light_green="${__attr_beg}1;32${__attr_end}"
    __color_light_yellow="${__attr_beg}1;33${__attr_end}"
    __color_light_blue="${__attr_beg}1;34${__attr_end}"
    __color_light_magenta="${__attr_beg}1;35${__attr_end}"
    __color_light_cyan="${__attr_beg}1;36${__attr_end}"
    __color_light_white="${__attr_beg}1;37${__attr_end}"

    __color_bg_black="${__attr_beg}40${__attr_end}"
    __color_bg_red="${__attr_beg}41${__attr_end}"
    __color_bg_green="${__attr_beg}42${__attr_end}"
    __color_bg_yellow="${__attr_beg}43${__attr_end}"
    __color_bg_blue="${__attr_beg}44${__attr_end}"
    __color_bg_magenta="${__attr_beg}45${__attr_end}"
    __color_bg_cyan="${__attr_beg}46${__attr_end}"
    __color_bg_white="${__attr_beg}47${__attr_end}"

    __attr_underline="${__attr_beg}4${__attr_end}"
    __attr_reverse="${__attr_beg}7${__attr_end}"
    __attr_bold="${__attr_beg}1${__attr_end}"
fi

# NOTE: tput is another easy way to set colors and background
# For example, "$(tput setab 4)text$(tput sgr0)" print text with background
# color blue.
# http://www.ibm.com/developerworks/jp/linux/aix/library/au-learningtput/index.html

if test "$TERM" != dumb
then
    __my_c1="$__attr_bold$__attr_underline"      # color for PWD
    __my_c2="$__attr_bold$__attr_underline"       # color for user and hostname
    # color for ::
    if test -z "$_HOSTCOLOR_1"
    then
        # default color used by tmux status line
        _HOSTCOLOR_1=green
    fi
    eval "__my_c4=\${__color_light_${_HOSTCOLOR_1}}"
    __my_c5="$__color_black$__color_bg_white"        # color for SCR
    __my_cdef="$__color_default"
fi

if $inbash
then
    __my_ps1_sh="[BASH:$BASH_VERSION]"
elif $inzsh
then
    __my_ps1_sh="[ZSH:$ZSH_VERSION]"
fi

__my_ps1_info1(){
    # first line of PS1
    echo "${__my_ps1_sh}$(__my_ps1_scale)$(__my_ps1_git)"
}

test -n "$__MY_SCRIPT" && \
    __my_ps1_str_scr="SCR"

test -n "$SSH_CONNECTION" && \
    __my_ps1_str_ssh="SSH"

test -n "$__MY_DTACH" && \
    __my_ps1_str_dt="DT:`basename "$__MY_DTACH"`"

__my_ps1_info2(){
    # second line of PS1
    echo $(__my_ps1_memo) $(__my_ps1_jobs) ${__my_ps1_str_scr} \
         ${__my_ps1_str_ssh} ${__my_ps1_str_dt} $(__my_alert_fail) \
        | sed -e 's/ /|/g'
}

__my_ps1_beg="${__my_c4}:: ${__my_cdef}"

__my_ps1_save_pos="\[\033[s\]"
__my_ps1_restore_pos="\[\033[u\]"
__my_ps1_move_rightmost="\[\033[\$(tput cols)C\]"
__my_ps1_move_15left="\[\033[15D\]"
# collapse when command line is too long and try to write over this string
# __my_ps1_right="${__my_ps1_save_pos}${__my_ps1_move_rightmost}"
# ${__my_ps1_move_15left}\D{%Y/%m/%d %H:%M}${__my_ps1_restore_pos}

if $inzsh
then
    PROMPT="\
${__my_ps1_beg}[${__my_c2}%n@%M${__my_cdef}:${__my_c1}%~/${__my_cdef}]\$(__my_ps1_info1)
${__my_ps1_beg}\$(__my_ps1_info2) $(__my_ps1_dollar %#) "
    RPROMPT="%D{%Y/%m/%d %H:%M}"
elif $inbash
then
    PS1="\
${__my_ps1_beg}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_info1)\n\
${__my_ps1_beg}\D{%Y/%m/%d %H:%M} \$(__my_ps1_info2)${__my_ps1_right} $(__my_ps1_dollar \\$) "
else
    true
    # PS1="$(printf $(whoami)@$(hostname)$ )"
fi

###################################
# set header and titles

__my_set_header_line(){
    # save current position
    printf "\033[s"
    # move to 0,0
    printf "\033[0;0H"
    # clear curent to eol
    printf "\033[K"
    # inverse color
    printf "\033[7m"
    printf "$1"
    # restore color
    printf "\033[0m"
    # restore saved position
    printf "\033[u"
}

__my_set_screen_name(){
    # set window name
    if test -n "$TMUX" && test -z "$INSIDE_EMACS"
    then
        echo -ne "\033k$1\033\\"
    fi
}

__my_set_title(){
    case $TERM in
        (rxvt*|xterm*|aterm|screen*)
            test -t 1 &&
                test -z "$EMACS" &&
                echo -n -e "\033]0;$1\007"
            ;;
    esac
}

if test -n "$TMUX"
then
    # running tmux locally
    __terminal_title="\$(basename \${PWD})"
elif test -n "$SSH_CONNECTION" && expr "$TERM" : '^screen' >/dev/null
then
    # ssh connect from tmux terminal
    __terminal_title="`whoami`@`hostname`:\$(basename \${PWD})"
else
    __terminal_title="`whoami`@`hostname`:\${PWD}"
fi

if $inzsh
then
    precmd(){
        laststatus=$?
        eval __my_set_title ${__terminal_title}
    }
else
    if test -n "$PROMPT_COMMAND" && ! expr "$PROMPT_COMMAND" : '.*; *$' >/dev/null
    then
        PROMPT_COMMAND="${PROMPT_COMMAND};"
    fi

    if test -n "$PROMPT_COMMAND"
    then
        PROMPT_COMMAND="laststatus=\$?;${PROMPT_COMMAND}__my_set_title \"${__terminal_title}\";"
    else
        PROMPT_COMMAND="laststatus=\$?;__my_set_title \"${__terminal_title}\";"
    fi
fi
laststatus=0