rc/home/-shrc

#!/bin/zsh
# for zsh, bash, and ash.
[ -n "$ZSH_VERSION" -o -n "$BASH" ] && FANCY=1 || FANCY=0

# {{{1 utilities

ify() {
    [ $# -ge 2 ] || return
    local ex=$1
    shift
    $@ | $ex
}

if which sudo >/dev/null 2>/dev/null; then
    alias maybesudo=sudo
else
    maybesudo() {
        while [[ "$1" == -* ]]; do shift; done
        "$@"
    }
fi

has() { which "$1" >&/dev/null && which "$1"; }

ADDPATH() {
    new="$(readlink -f "$1")"
    [ -d "$new" ] || echo -E "ADDPATH: path doesn't exist: $1" >&2
    echo ":$PATH:" | grep -q ":$new:" || export PATH="$PATH:$new"
}

# shortcuts {{{1

if [ $FANCY -eq 1 ]; then
    # these drive letters only help because of a bug in my zsh completions...
    hash -d c="/c"
    hash -d d="/d"
    [ -d /media/chibi ] && hash -d e="/media/chibi" || hash -d e="/e"

    hash -d cyg=~c"/cygwin/home/$USER"
    hash -d msys=~c"/msys64/home/$USER"
    hash -d win=~c"/Users/$USER"
    hash -d mm=~c"/Program Files (x86)/mupen64plus/mm"
    hash -d py=~win"/Dropbox/py"
fi

# {{{1 configurations

# umask should be reset else pip might make faulty installations.
umask 022

ADDPATH "$HOME/opt/local/bin"
[ -n "$MSYSTEM" ] && ADDPATH "/c/path"

# https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1380084
export SSH_AUTH_SOCK=0

# https://blog.packagecloud.io/eng/2017/02/21/set-environment-variable-save-thousands-of-system-calls/
# i haven't checked if this makes any difference personally, but may as well, eh?
export TZ=':/etc/localtime'

# damnit python.
export PYTHONIOENCODING=utf-8

# cleanup in case of inherited exports
unset PREFIX CC CPP CXX LD CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
unset AR RANLIB RC WINDRES OBJDUMP OBJCOPY
unset LD_LIBRARY_PATH

# PuTTY over serial
test "$TERM" = vt102 && export TERM="xterm"

# Qt is stupid and thinks we're running unity so it hides the menu bar
test "$DESKTOP_SESSION" = xfce && export QT_QPA_PLATFORMTHEME=""

export EDITOR=vim
export PAGER=less
export VST_SDK_DIR="$HOME/src/vstsdk2.4"
export LADSPA_PATH="/usr/lib/ladspa"
export NQDIR="$HOME/play"

if [ "$LANG" != "en_US.UTF-8" ] && [ "$LANG" != "en_CA.UTF-8" ]; then
    if [ -z "$MSYSTEM" ] || [ "$LANG" != "C.UTF-8" ]; then
        if [ -z "$LANG" ]; then
            echo -E "Warning: LANG is empty!" >&2
        else
            echo -E "Warning: LANG is $LANG" >&2
        fi
    fi
fi

# aliases {{{1

# enable colors {{{2

(echo test | grep --color=auto blah >/dev/null 2>&1) && alias grep='grep --color=auto'
(ls --color=auto >/dev/null 2>&1) && alias ls='ls --color=auto'
alias lr="lr -G"
#alias make="$(has colormake || has make)"

# just flags {{{2

export LESS='-SRQ'
alias db="dropbox_uploader"
alias fils="du -bahd1"
alias lsa="ls -A --group-directories-first"
alias perlu='perl -Mopen=locale -Mutf8'
alias rgn="rg --no-ignore"
alias cms="cryptominisat5 --verb 0"
alias curls="curl -sS"

# git {{{2

alias get="git clone --single-branch --depth 1"
alias gs='git status' # rip ghostscript
alias gd='git diff -U2'
alias gds='git --no-pager diff --stat'
alias gl='git log --oneline'
alias glo='git log --graph --decorate --pretty=oneline --abbrev-commit --all'
alias gb='git --no-pager branch'

# being specific {{{2

[ -e "$HOME/python3" ] && alias py="~/python3" || alias py="python3"
alias maybesudo="maybesudo " # allows aliases within the alias
alias pip="maybesudo -H pip3"
alias revend='objcopy -I binary -O binary --reverse-bytes=4'
alias aur="BUILDDIR=$HOME/src $HOME/sh/aur -jj"
alias clone='maybesudo rsync -aHA --info=progress2 --no-i-r'
alias aligntabs="column -t -s$'\t'"
alias pippy="maybesudo py -m pip install --upgrade --upgrade-strategy only-if-needed"
alias crawla='ssh joshua@crawl.akrasiac.org -i ~/.ssh/crawl'
alias crawlz='ssh crawl@crawl.develz.org -i ~/.ssh/crawl'

ll() {
    { lr -1lshGG -o tev -t 'name~~".*"||type==d' "$@" \
     && lr -1lshGG -o tev -t 'name!~~".*"&&type!=d' "$@" \
     || ls -lAX --group-directories-first --color=force "$@"; } | less
}

# providing extra functionality {{{2

alias diff="git diff --color=auto --no-ext-diff --no-index --no-prefix"
alias gc="git column --mode=dense --padding=2"
alias counts='find . | wc -l'
alias nocom='grep -Ev --line-buffered --color=never "^[[:space:]]*(//|#)"'
alias sortip="sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n"
alias jrep='grep -aPo "[\x{20}-\x{7E}\x{4E00}-\x{9FFF}\x{3040}-\x{30FF}]+"'
alias bomb='uconv -f utf-8 -t utf-8 --add-signature'
alias cleanse='tr -cd "\11\12\15\40-\176"'
alias rot13='tr "A-Za-z0-9" "N-ZA-Mn-za-m5-90-4"'
alias unwrap='awk '\''BEGIN{RS="\n\n";FS="\n"}{for(i=1;i<=NF;i++)printf "%s ",$i;print "\n"}'\'
alias double='awk "{print;print}"'
alias join2='paste -d" " - -'
alias katagana='perlu -MUnicode::Normalize -pe'"'"'$_=NFKD($_)=~y/ァ-ヶ /ぁ-ゖ　/r'"'"
alias picky='{ pacman -Qgq base base-devel xorg xorg-drivers xfce4 | double; pacman -Qeq; } | sort | uniq -u'
alias unused='{ pacman -Qtq; pacman -Qeq | double; } | sort | uniq -u'
alias makepkgf='maybesudo -u $USER makepkg -Af --skipchecksums --skippgpcheck'
alias rakef='rake && gem build *.gemspec && gem install *.gem'

trash() {
    dd status=none if=/dev/random bs=1 count="$1"
}

explore() {
    explorer "$(cygpath -w "$1")"
}

pegg() {
    pippy "https://github.com/$1/$2/tarball/${3:-master}#egg=$2"
}

bak() {
    if [ -s "$1.bak" ]; then
        bak "$1.bak"
    fi
    cp -p "$1" "$1.bak"
}

baks() {  # backup, timestamped
    local fp="$1"
    local now="$(date -u '+%y-%m-%d_%H-%M-%S')"
    local bak="$fp.$now.bak"
    if [ -s "$bak" ]; then
        echo "how in the hell? $bak already exists" >&2
        return
    fi
    cp -p "$fp" "$bak"
}

eashare() {
    # NOTE: this only works on MSYS2 for now.
    local dest="${1##*/}"
    eaput "$1" || return 1
    printf "%s" "$_REMOTE_DOMAIN/$_REMOTE_DIR/$dest" > /dev/clipboard
}

echo2() {
    local IFS=" "
    printf "%s\n" "$*" >&2
}

note() {
    local IFS=" "
    printf "\033[1m%s\033[0m\n" "$*" >&2
}

stfu() {
    local ret=0
    "$@" > .stdout 2> .stderr || ret=$?
    if test "$ret" -ne 0; then
        printf "command failed with exit status %s:\n" "$ret" >&2
        echo2 "$@"
        echo2
        note '$ tail -n 20 .stdout'
        tail -n 20 .stdout >&2
        echo2
        note '$ tail -n 20 .stderr'
        tail -n 20 .stderr >&2
        return "$ret"
    fi
}

# sources {{{1

if [ $FANCY -eq 1 ]; then
    source ~/.arrays
    source ~/.streamcrap
fi

. ~/.ea