zsh: remove some pointless code and comments

[dotfiles.git] / etc / zsh / .zshrc

### options
setopts=(
  ## 16.2.1  Changing Directories
  AUTO_CD CDABLE_VARS
  ## 16.2.2  Completion
  COMPLETE_IN_WORD GLOB_COMPLETE REC_EXACT
  ## 16.2.3  Expansion and Globbing
  EXTENDED_GLOB GLOB_DOTS GLOB_STAR_SHORT MAGIC_EQUAL_SUBST MARK_DIRS
  NUMERIC_GLOB_SORT
  ## 16.2.4  History
  # NOTE: NO_HIST_SAVE_BY_COPY to allow saving histfile if updating another
  #       user's histfile. this is for compatibility with zsu.
  EXTENDED_HISTORY HIST_FCNTL_LOCK HIST_IGNORE_ALL_DUPS HIST_IGNORE_DUPS
  HIST_IGNORE_SPACE HIST_LEX_WORDS HIST_NO_STORE HIST_REDUCE_BLANKS
  NO_HIST_SAVE_BY_COPY HIST_SAVE_NO_DUPS SHARE_HISTORY
  ## 16.2.6  Input/Output
  NO_CLOBBER CLOBBER_EMPTY CORRECT_ALL INTERACTIVE_COMMENTS
  HASH_EXECUTABLES_ONLY
  ## 16.2.7  Job Control
  AUTO_CONTINUE LONG_LIST_JOBS
  ## 16.2.12 Zle
  NO_BEEP
)
setopt $setopts
unset setopts

### exports
## common
export EDITOR=${$(whence -p nvim vim vi micro nano emacs)[(f)1]}
export PAGER=${$(whence -p less micro nano more)[(f)1]:s/micro/& -readonly true -multiopen tab/:s/nano/& --view}
## grep
# XXX: deprecated in GNU
export GREP_OPTIONS=--color=auto
## histfile
export HISTFILE=~/.histfile
export HISTSIZE=10000
export SAVEHIST=$HISTSIZE
## python
export PYTHONSTARTUP=${XDG_CONFIG_HOME:-~/.config}/pythonrc
## vim
export VIMINIT='let$MYVIMRC=($XDG_CONFIG_HOME??($HOME."/.config"))."/vim/.vimrc"|execute"source"$MYVIMRC'

### imports
autoload -Uz zmv
autoload -Uz zmathfunc && zmathfunc

## vcs
zstyle ':vcs_info:*' enable git
#zstyle ':vcs_info:git*' check-for-changes true #too slow
zstyle ':vcs_info:git*:dotfiles' check-for-changes true
zstyle ':vcs_info:git*' check-for-staged-changes true
autoload -Uz vcs_info

## compinit
zstyle ':completion:*' auto-description '[arg] %d'
zstyle ':completion:*' expand suffix
zstyle ':completion:*' format '# %d'
zstyle ':completion:*' group-name ''
zstyle ':completion:*' ignore-parents parent
zstyle ':completion:*' insert-unambiguous false
zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
zstyle ':completion:*' list-prompt '%B%i%b'
zstyle ':completion:*' list-suffixes true
zstyle ':completion:*' matcher-list '' 'm:{[:lower:]}={[:upper:]}' 'm:{[:lower:][:upper:]}={[:upper:][:lower:]} r:|[._-]=* r:|=*' 'm:{[:lower:][:upper:]}={[:upper:][:lower:]} l:|=* r:|=*'
zstyle ':completion:*' menu select=1
zstyle ':completion:*' original false
zstyle ':completion:*' select-prompt '%B%l%b'
zstyle ':completion:*' verbose true
autoload -Uz compinit
cache=${XDG_CACHE_HOME:-~/.cache}/zsh
[[ -d $cache ]] || mkdir -p $cache
compinit -d $cache/.zcompdump
unset cache

### keys
## set up zkbd-style key array
if [[ ! -v _sev_force_zkbd && ( -v terminfo || -v termcap ) ]] {
    # use application (keypad transmit) mode if the terminal supports it
    # NOTE: we have to do this because termcap/terminfo keys are usually
    #       defined in application mode. terminals that do not define these
    #       capabilities are assumed to always be in application mode.
    if [[ ( -v terminfo[smkx] && -v terminfo[rmkx] ) ||
          ( -v termcap[ks]    && -v terminfo[ke] ) ]] {
        autoload -Uz add-zle-hook-widget
        function _enter-application-mode {
            [[ -v terminfo[smkx] ]] && echoti smkx || echotc ks
        }
        add-zle-hook-widget line-init _enter-application-mode
        function _exit-application-mode {
            [[ -v terminfo[rmkx] ]] && echoti rmkx || echotc ke
        }
        add-zle-hook-widget line-finish _exit-application-mode
        trap _exit-application-mode EXIT
    }
    # pull keys from terminfo/termcap
    # TODO: Menu and more Shift- modifiers
    typeset -gA key
    typeset -lA newkey
    if [[ -v terminfo ]] {
        src=terminfo
        newkey=(F1 kf1 F2 kf2 F3 kf3 F4 kf4 F5 kf5 F6 kf6 F7 kf7 F8 kf8 F9 kf9
                F10 kf10 F11 kf11 F12 kf12
                Backspace kbs
                Shift-Tab kcbt
                Insert    kich1
                Home      khome
                PageUp    kpp
                Delete    kdch1
                End       kend
                PageDown  knp
                Up        kcuu1
                Down      kcud1
                Left      kcub1
                Right     kcuf1
        )
    } elif [[ -v termcap ]] {
        src=termcap
        newkey=(F1 k1 F2 k2 F3 k3 F4 k4 F5 k5 F6 k6 F7 k7 F8 k8 F9 k9
                F10 k\; F11 F1 F12 F2
                Backspace kb
                Shift-Tab kB
                Insert    kI
                Home      kh
                PageUp    kP
                Delete    kD
                End       @7
                PageDown  kN
                Up        ku
                Down      kd
                Left      kl
                Right     kr
        )
    }
    for k v (${(kv)newkey}) {
        key[$k]=${${(P)src}[$v]}
    }
    unset k v src newkey
} else {
    # use zkbd if termcap/terminfo unavailable
    function find_keymap {
        for f in ${ZDOTDIR:-~}/.zkbd/$TERM{-${DISPLAY:-$VENDOR-$OSTYPE},}
            [[ -f $f ]] && keymap=$f && break
    }
    find_keymap
    if [[ -z $keymap ]] {
        if (read -q "?Can't read terminfo. Add new zkbd keymap? [y/N]") {
            echo
            {
                autoload -Uz zkbd && zkbd
            } always {
                TRY_BLOCK_ERROR=0
                unfunction zkbd
            }
            find_keymap
        }
        echo
    }
    if [[ -n $keymap ]] {
        source $keymap
    } else {
        echo -E "Failed to source keymap file $keymap" >&2
    }
    unfunction find_keymap; unset keymap
}

## load history search
autoload -Uz up-line-or-beginning-search down-line-or-beginning-search
zle -N up-line-or-beginning-search
zle -N down-line-or-beginning-search

## bind keys in both viins and vicmd modes
# NOTE: cursor keys are bound to normal/raw/nontransmit mode strings by
#       default, and keys like Home and End are not bound at all, so we rebind
#       everything to cover all scenarios
typeset -A a
a=(
    #key       viins                         vicmd
    Backspace 'backward-delete-char          vi-backward-char'
    Insert    'overwrite-mode                vi-insert'
    Home      'beginning-of-line'
    PageUp    'up-history                    -'
    Delete    'delete-char'
    End       'end-of-line'
    PageDown  'down-history                  -'
    Up        'up-line-or-beginning-search   vi-up-line-or-history'
    Down      'down-line-or-beginning-search vi-down-line-or-history'
    Left      'backward-char'
    Right     'forward-char'
)
for k v (${(kv)a}) {
    k=$key[$k]
    if [[ -z $k ]] { continue }
    v=($=v)
    bindkey -- $k $v[1]
    if [[ $v[2] == - ]] {
        # copy viins to vicmd verbatim
        bindkey -a -- $k $v[1]
    } elif (( $#v != 1 )) {
        # set vicmd to any other value
        bindkey -a -- $k $v[2]
    } else {
        # copy viins to vicmd and prepend vi- to it
        bindkey -a -- $k vi-$v[1]
    }
}
unset a k v

## fzf
# bash-style reverse-search-history (i.e. reverse-i-search)
if [[ -v commands[fzf] ]] {
    function _history-incremental-pattern-search-fzf {
        fc -AI
        # XXX: this shit is cursed and sometimes doesn't work
        # TODO: remove doesn't work over newlines, fzf replaces them with \n,
        #       and sed of course hates newlines and would need to be massaged
        # TODO: interactive history refresh... can't get zsh to load histfile:
        # +reload(HISTFILE='"$h HISTSIZE=$HISTSIZE SAVEHIST=$SAVEHIST \$0 +Z -dfimc 'setopt EXTENDED_HISTORY;fc -R \$HISTFILE;$c' </dev/null 2>&1)" \
        local c='fc -lt%F -1 0'
        local h="'${HISTFILE//\'/\'\\\'\'}'"
        local l=(${(f)"$($=c | fzf \
            --scheme=history -e -n 1,3.. \
            +s \
            -m --bind 'ctrl-d:execute-silent(sed -i -f <(
                sed -Ee '\''s/[$*.[\^/]/\\&/g;s~.*~/^\\(: [0-9]\\+:[0-9]\\+;\\)\\?&$/d~'\'' {+f3..}
              ) '$h')+abort' \
            --preview-window=hidden --height=20% \
            --with-shell "${0:a} -dfc" \
            ${BUFFER:+-q $BUFFER})"})
        # XXX: this sucks, I hate this. no other way to flush internal history?
        HISTFILE= HISTSIZE=0 fc -p $HISTFILE $HISTSIZE $SAVEHIST
        l=$(for x ("${l[@]}") { echo ${${=x}:3}; })
        BUFFER="$l"
        zle reset-prompt
    }
    zle -N _history-incremental-pattern-search-fzf
    bindkey '^R' _history-incremental-pattern-search-fzf
} else {
    bindkey '^R' history-incremental-pattern-search-backward
}

### aliases
## builtins
alias rehash='_sev_setpath; rehash'
## utils
alias h='fc -l -25'
alias j='jobs -l'
alias l='ls -AF'
if [[ "$OSTYPE" =~ '^(free|net)bsd' ]] {
    alias ll='ls -lAFho'
} else {
    alias ll='ls -lAFh'
}
alias p=\$PAGER
alias e=\$EDITOR
alias se=sudoedit
alias syncwatch='sync & watch -d grep -Fe Dirty: -e Writeback: /proc/meminfo'
if [[ -v commands[grep] ]] {
    [[ -v commands[fgrep] ]] || alias fgrep='grep -F'
    [[ -v commands[egrep] ]] || alias fgrep='grep -E'
}
for x (cat cmp diff grep test update) {
    [[ -v commands[zutils-z$x] ]] || alias z$x=zutils-z$x
}
# be paranoid
alias cp='cp -ip'
alias mv='mv -i'
# zsh zmv with noglob wildcards
alias zm='noglob zmv -WiM'
alias zc='noglob zmv -WiC'
alias zl='noglob zmv -WiL'
alias sm='noglob zmv -Wip"sudo mv"'
alias sc='noglob zmv -Wip"sudo cp"'
alias sl='noglob zmv -Wip"sudo ln"'
if [[ "$OSTYPE" =~ '^freebsd' ]] {
    # don't confirm if only a few files are deleted
    alias rm='rm -I'
} else {
    # TODO: similar behavior for non-freebsd, or impliment in zsh
    alias rm='rm -i'
}
[[ -v commands[trash-put] ]] && alias t=trash-put
# ps
if [[ -v commands[pstree] && $commands[pstree]:A:t != busybox ]] {
    # use pstree, but NOT busybox pstree because it kinda sucks
    ps='pstree -wg3'
} elif [[ "$OSTYPE" =~ '^freebsd' ]] {
    ps='ps -aSdfxwwouser=USR -ogroup=GRP -opid,nice=NI \
       -o%cpu,%mem,tty,stat,start=START -oetime,command'
} elif [[ $commands[ps]:A:t == busybox ]] {
    # busybox compatible
    ps="ps -eouser='USR     ' -ogroup='GRP     ' \
       -opid='  PID' -onice=' NI' -ovsz=' MEM' \
       -otty,stat,etime,comm"
} else {
    # XXX: untested, posix
    # TODO: support gnu ps
    ps='ps -eouser=USR -ogroup=GRP -opid,nice=NI \
       -opcpu=CPU -ovsz=MEM -otty,stat,etime,comm'
}
if [[ "$(basename "$PAGER")" = "less" ]] {
    ps="$ps | less -S"
} else {
    ps="$ps | \"${PAGER:-more}\""
}
alias pa=$ps
alias spa="sudo $ps"
unset ps
## py venv
alias va='source bin/activate'
alias vd=deactivate
alias vu="python3 -mvenv --upgrade"
alias svu="sudo python3 -mvenv --upgrade"
## git
alias g=git
alias gd='git diff'
alias gdh='git diff HEAD'
alias gdp='git diff HEAD\^'
alias gds='git diff --staged'
alias ga='git add'
alias ga.='git add .'
alias gai='git add -i'
alias gap='git add -p'
alias gc='git commit'
alias gca='git commit --amend'
alias gp='git push'
alias gu='git pull'
alias gl='git log'
alias gt='git tree' # from gitconfig
alias gsh='git show'
alias gshn='git show --name-status'
alias gst='git status'
alias gsts='git status --short'
alias gs='git stash'
alias gsp='git stash pop'
alias gsd='git stash drop'
alias gss='git stash show -p'
alias grc='git rebase --continue'
## cd/zoxide
function up {
    \cd $(printf '../%.0s' {1..${1:-1}})
}
alias u=up
if [[ -v commands[zoxide] ]] {
    # https://github.com/ajeetdsouza/zoxide/issues/513
    eval "${$(zoxide init zsh):s#_files -/#_cd#}"
    alias cd=z
    alias z-='z -'
}
alias cd..=up
## dotfiles
alias dfu='function {
    pushd -q ${$(echo -E - ~/.zshenv):P:h:h}
    git pull &&
    git submodule init &&
    git submodule sync &&
    git submodule update
    popd -q
}'
## nocorrect
# zsh doesnt really handle sudo very well, so ignore it
alias sudo='nocorrect sudo'
## docker compose
alias dcp='sudo docker compose pull'
alias dcu='sudo docker compose up -d'
alias dcr='sudo docker compose restart'
alias dcl='sudo docker compose logs -f'

### hooks
autoload -Uz add-zsh-hook
typeset -gi _sev_exectime
function sev_preexec {
    # change terminal title to show command
    print -n "\e]2;$(print -P '%#')${SSH_CLIENT+$USER@$HOST:}$1\e\\"
    # save last exec time for bell
    # XXX: does not run for blank cmdline
    _sev_exectime=$SECONDS
    # update gpg forward, to always have unique filename and avoid clashes
    if [[ -v _GNUPG_SOCK_DEST_EXT ]] {
        export _GNUPG_SOCK_DEST_EXT=$(date +%s).$RANDOM
        export _GNUPG_SOCK_DEST=$_GNUPG_SOCK_DEST_BASE.$_GNUPG_SOCK_DEST_EXT
    }
}
add-zsh-hook preexec sev_preexec
function sev_precmd {
    # change terminal title
    # TODO: update and send BEL when job status changes
    print -Pn "\e]2;%(1j,%j,)%#${SSH_CLIENT+$USER@$HOST:}%~\e\\"
    # bell if exec takes 5s
    if (( SECONDS - _sev_exectime >= 5 )) print "\a"
    # we could update vcs_info here, but let prompt take care of it
    # if it doesn't use vcs, it can be ignored safely
}
add-zsh-hook precmd sev_precmd
function sev_chpwd {
    # echo dir on cwd change
    ls -AF
}
add-zsh-hook chpwd sev_chpwd

### prompt
autoload -Uz promptinit && promptinit
prompt arrows

### plugins
load-plugins zshrc

### load site-specific
load-site-dotfile zshrc