rc/home/zshrc

[ -e /etc/profile ] && emulate sh -c "source /etc/profile"

if [ "$SHLVL" -le 1 ] && [[ "$TERM" != screen* ]] && [[ "$TERM" != tmux* ]]
then
    if which tmux >/dev/null 2>/dev/null; then
        # create a new session called "what" or attach if it already exists
        LANG="en_US.UTF-8" TZ=":/etc/localtime" tmux new -A -s what && exit
        echo "tmux died ($?), continuing..."
    fi
fi

setopt extended_glob # required for various scripts in this file and otherwise

local host="${(L)HOST}"
fpath=(~/sh $fpath)

function {
    local f
    for f in ~/sh/^([_.]*)(N^/:t); do
        if [[ "$f" == fasd ]]; then
            emulate sh -c "autoload -U $f"
        else
            autoload -Uz $f
        fi
    done
}

HISTFILE=~/.histfile
HISTSIZE=99999
SAVEHIST=99999

function {
    local -a opts
    opts=( no_beep
        append_history share_history # across sessions
        hist_expire_dups_first # sharing/appending will result in dups
        hist_ignore_dups # don't push lines identical to the previous
        hist_ignore_space # don't push lines beginning with spaces
        auto_cd # exec a dir to cd
        auto_pushd # cd acts as pushd
        no_match # error on bad tab-complete
        check_jobs notify # automatic job reporting
        chase_links # cd into link resolves link
        complete_aliases # allow original command completion within alias
        complete_in_word # enable tab completion when cursor between words
        rc_quotes # 'you''re dumb' like "you're dumb"
        brace_ccl # for character ranges like {a-z}
        ksh_typeset # treat `local x=$(cmd)` and `x=$(cmd)` the same
    )
    setopt "${opts[@]}"
}

autoload -U zmv

zmodload zsh/mathfunc
autoload -Uz zcalc

DIRSTACKSIZE=24
dirprev() {
    pushd -q +1
    zle reset-prompt
    precmd
}
dirnext() {
    pushd -q -0
    zle reset-prompt
    precmd
}
dirup() {
    cd ..
    zle reset-prompt
    precmd
}
dirview() {
    # TODO: print under prompt if possible,
    # truncate and columnize
    print
    dirs -v
    zle reset-prompt
}

for x (dirprev dirnext dirup dirview) zle -N $x

bindkey -e # emacs-style keybinds

# oh thank god: http://blog.samsonis.me/2013/12/bash-like-history-search-functionality-for-zsh/
autoload history-search-end
zle -N history-beginning-search-backward-end history-search-end
zle -N history-beginning-search-forward-end history-search-end
bindkey '^[[A' history-beginning-search-backward-end # up
bindkey '^[[B' history-beginning-search-forward-end # down
bindkey '^[OA' history-beginning-search-backward-end # up
bindkey '^[OB' history-beginning-search-forward-end # down

bindkey '^[[3~' delete-char # del

bindkey '^[[1;5D' emacs-backward-word # ctrl+left
bindkey '^[[1;5C' emacs-forward-word # ctrl+right
bindkey '^[[1;3D' dirprev # alt+left
bindkey '^[[1;3C' dirnext # alt+right
bindkey '^[[1;3A' dirup # alt+up
bindkey '^[[1;3B' dirview # alt+down
bindkey -s '^[s' '^Asudo ^E' # alt+s

bindkey -s '^[[6;2~' '\a' # shift+PgDn, do nothing, already at bottom (tmux)

# these binds were meant to prevent erroneous inputs from
# inputting anything, but they don't work for some reason:
#bindkey -s '^[[3;5~' '\a' # ctrl+del
#bindkey -s '^[[5;5~' '\a' # ctrl+PgUp
#bindkey -s '^[[6;5~' '\a' # ctrl+PgDn
#bindkey -s '^[[5;6~' '\a' # ctrl+shift+PgUp
#bindkey -s '^[[6;6~' '\a' # ctrl+shift+PgDn
#bindkey -s '^[[2;3~' '\a' # alt+ins
#bindkey -s '^[[3;3~' '\a' # alt+del
#bindkey -s '^[[5;3~' '\a' # alt+PgUp
#bindkey -s '^[[6;3~' '\a' # alt+PgDn
#bindkey -s '^[[1;6q' '\a' # ctrl+shift+1
#bindkey -s '^[[1;6s' '\a' # ctrl+shift+3
#bindkey -s '^[[1;6t' '\a' # ctrl+shift+4
#bindkey -s '^[[1;6u' '\a' # ctrl+shift+5
#bindkey -s '^[[1;6w' '\a' # ctrl+shift+7
#bindkey -s '^[[1;6x' '\a' # ctrl+shift+8
#bindkey -s '^[[1;6y' '\a' # ctrl+shift+9
#bindkey -s '^[[1;6l' '\a' # ctrl+shift+comma
#bindkey -s '^[[1;6n' '\a' # ctrl+shift+period
#bindkey -s '^[[1;7A' '\a' # ctrl+alt+arrow
#bindkey -s '^[[1;7B' '\a' # ctrl+alt+arrow
#bindkey -s '^[[1;7C' '\a' # ctrl+alt+arrow
#bindkey -s '^[[1;7D' '\a' # ctrl+alt+arrow
#bindkey -s '^[[1;8A' '\a' # ctrl+alt+shift+arrow
#bindkey -s '^[[1;8B' '\a' # ctrl+alt+shift+arrow
#bindkey -s '^[[1;8C' '\a' # ctrl+alt+shift+arrow
#bindkey -s '^[[1;8D' '\a' # ctrl+alt+shift+arrow

autoload edit-command-line
zle -N edit-command-line # new widget of the same function name
bindkey '^Xe' edit-command-line # ctrl+x -> e

. ~/.-shrc

alias -g OMFG="1>/dev/null"
alias -g STFU="2>/dev/null"
alias -g WHOA='${whoa[@]}'
alias -g WELP='${welp[@]}'

wipe() {
    clear
    clear # twice because mintty is weird
    echo "\e[30m\e[107m"
    printf "*%.0s" {1..$COLUMNS}
    echo "\e[0m\n"
}

alias sc="~/sh/sc" # only runs in bash (for now), so be explicit with path
alias pl="print -l" # not in -shrc because this only makes sense with zsh

function tw() {  # needs the "function" keyword or else zsh complains
    twitch "$@" OMFG STFU &
}

sum() {
    local sum=0
    for i; do
        sum=$((sum+i))
    done
    echo "$sum"
}

function {
    local t="${TERM%%-*}"
    if [ "$t" = xterm ] || [ "$t" = screen ] || [ "$t" = tmux ]; then
        # set window title
        if [ "$t" = tmux ]; then
            # don't include host, tmux prepends it
            precmd() { print -Pn "\e]2;%~\a" }
        else
            precmd() { print -Pn "\e]2;%M: %~\a" }
        fi
    else
        # act dumb
        precmd() {}
        PROMPT="%# "
        return
    fi

    # zsh adds a % symbol to newline-less output, so my bash prompt is overkill
    # NOTE: i've started hardcoding escapes instead of relying on zsh
    #       because detecting terminal features is too troublesome.
    local s=$'\x1B\x5B' # start escape code
    local e=m           #   end escape code
    local reset="${s}0${e}"
    local good=42 # green
    local  bad=41 # red

    [[ "$host" == neobanshee ]] && good=46 # cyan
    [[ "$host" == spectre ]]    && good=47 # white
    [[ "$host" == wraith ]]     && good=43 # yellow
    [[ "$host" == sabotage ]]   && good=45 # magenta

    # NOTE: i had ${s}10${e} here before, is it still necessary?
    PROMPT="%{$reset${s}%(?.${good}.${bad})${e}${s}97${e}%}%#%{$reset%} "
}

TIMEFMT=$'\e[93m%*U/%*E cpu/real (%P), %MM mem:\e[36m %J\e[0m'

reload() {
    # this doesn't seem to help with _vim_files errors, eh.
    # you wanna rm .zcompdump first, then exit. that's why!
    cd ~
    autoload -U zrecompile
    [ -f .zshrc ] && zrecompile -p .zshrc
    rm -f .zcompdump
    [ -f .zshrc.zwc.old ] && rm -f .zshrc.zwc.old
    [ -f .zcompdump.zwc.old ] && rm -f .zcompdump.zwc.old
    exec zsh # reload shell, inheriting environment
}

if [[ "$host" == "spectre" ]] || [[ "$host" == *"banshee" ]]; then
    # via https://github.com/whjvenyl/fasd
#   if [ ! -s "$HOME/.fasd_init" ]; then
#       # note that posix-alias defines aliases for the following:
#       # a s d f sd sf z zz
#       fasd --init \
#         posix-alias \
#         zsh-hook zsh-ccomp zsh-ccomp-install \
#         zsh-wcomp zsh-wcomp-install \
#         >| "$HOME/.fasd_init"
#   fi
#   source "$HOME/.fasd_init"
#   alias v="f -e $EDITOR"
fi

baknow() { cp -ip "$1" "$1.$(now "$1").bak"; }

ff() { find "${1:-.}" -type f | fzy }

cutv() {
    local nel="${1?missing length parameter}"
    local f="${2?missing file parameter}"
    local g="cut."${${f##*/}%.*}".mp4"
    ffmpeg -hide_banner -i "$f" 2>&1 \
      | grep Duration \
      | grep -Eo '[0-9][0-9]:[0-9][0-9]:[0-9][0-9].[0-9][0-9]' | awk -F: '{print (($1*60+$2)*60+$3)+$4/100}' | read len
    [[ "$len" -gt 0 ]] || return 1
    echo "$g"
    ffmpeg \
      -hide_banner -loglevel warning -stats -stats_period 5 \
      -i "$f" -ss "$(((nel<len)*(len-nel)))" \
      -sn -dn -metadata = -map_chapters -1 -movflags +faststart \
      -ar 44100 -acodec libfdk_aac -b:a 256k -cutoff 20000 -af alimiter=level_in=2.5:level_out=0.9 \
      -maxrate 7680k -bufsize 9600k -vcodec libx264 -preset medium -crf 21 -vf scale=1280:720 \
      -threads 2 -y "$g" || return 1
    # -maxrate 7680k -bufsize 9600k -vcodec libx264 -preset medium -crf 21 -vf scale=1280:720
    # -maxrate 9600k -bufsize 12000k -vcodec libx264 -preset medium -crf 22 -vf scale=1280:720
}

# generated by dircolors with https://github.com/isene/LS_COLORS
function {
    local lsc= line=
    < ~/.ls_colors | tr -d $'\r' | while read -r line; do
        lsc+="$line:"
    done
    export LS_COLORS="$lsc"
}

for x in ack cd cp ebuild gcc gist grep ln man mkdir mv rm
    alias $x="nocorrect $x"
for x in ai arith curl fc find ftp hex history let locate rsync scp sftp tw twitch wget youtube-dl yt ytg
    alias $x="noglob $x"
unset x

source ~/.prezto-compinit