path: root/home/.config/zsh/.zshrc

# Interactive zsh configuration.

# ── Terminal ──────────────────────────────────────────────────────────────────
stty -ixon   # disable XON/XOFF flow control (frees Ctrl-S/Ctrl-Q)
ttyctl -f    # freeze terminal state; programs can't leave it broken

# ── Options ───────────────────────────────────────────────────────────────────
setopt appendhistory       # append to history file, don't overwrite
setopt autocd              # cd by typing directory name
setopt extendedglob        # extended glob patterns (#, ~, ^)
setopt nomatch             # error on unmatched glob patterns
setopt notify              # report background job status immediately
setopt interactivecomments # allow # comments in interactive shell
setopt rmstarsilent        # don't confirm rm *
setopt prompt_subst        # expand variables/functions in prompt
unsetopt beep              # no terminal bell

# ── History ───────────────────────────────────────────────────────────────────
HISTFILE="$XDG_CACHE_HOME/zsh_history"
HISTSIZE=50000
SAVEHIST=50000

# ── Emacs keybindings ─────────────────────────────────────────────────────────
bindkey -e

# ── Prompt ────────────────────────────────────────────────────────────────────
autoload -Uz colors && colors
source /usr/share/git/completion/git-prompt.sh
PROMPT='%B%{$fg[green]%}%n%{$reset_color%}@%{$fg[cyan]%}%m%{$reset_color%}:%b%{$fg[yellow]%}%~%{$reset_color%}$(__git_ps1 " (%s)")%(?..[%{$fg[red]%}%?%{$reset_color%}]) %(!.#.>) '

# ── Completion ────────────────────────────────────────────────────────────────
fpath=($XDG_DATA_HOME/zsh/completion $fpath)
autoload -Uz compinit && compinit

zstyle ':completion:*' menu select
zstyle ':completion:*' completer _expand_alias _complete _ignored _match _approximate
zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
zstyle ':completion:*' use-cache on
zstyle ':completion:*' cache-path "$XDG_CACHE_HOME/zsh"
zstyle ':completion:*:match:*' original only
zstyle ':completion:*:functions' ignored-patterns '_*'
zstyle ':completion:*:*:kill:*' menu yes select
zstyle ':completion:*:kill:*' force-list always
zstyle ':completion:*:cd:*' ignore-parents parent pwd
zstyle ':completion::complete:*' gain-privileges 1
zstyle -e ':completion:*:approximate:*' \
	max-errors 'reply=($((($#PREFIX+$#SUFFIX)/3))numeric)'

_comp_options+=(globdots)  # include hidden files in completion

# ── Terminal keys (zkbd-compatible) ───────────────────────────────────────────
# Map terminfo keys so Home/End/Delete/etc. work in all terminals.
typeset -g -A key
key[Home]="${terminfo[khome]}"
key[End]="${terminfo[kend]}"
key[Insert]="${terminfo[kich1]}"
key[Backspace]="${terminfo[kbs]}"
key[Delete]="${terminfo[kdch1]}"
key[Up]="${terminfo[kcuu1]}"
key[Down]="${terminfo[kcud1]}"
key[Left]="${terminfo[kcub1]}"
key[Right]="${terminfo[kcuf1]}"
key[PageUp]="${terminfo[kpp]}"
key[PageDown]="${terminfo[knp]}"
key[ShiftTab]="${terminfo[kcbt]}"

[[ -n "${key[Home]}"      ]] && bindkey -- "${key[Home]}"      beginning-of-line
[[ -n "${key[End]}"       ]] && bindkey -- "${key[End]}"       end-of-line
[[ -n "${key[Insert]}"    ]] && bindkey -- "${key[Insert]}"    overwrite-mode
[[ -n "${key[Backspace]}" ]] && bindkey -- "${key[Backspace]}" backward-delete-char
[[ -n "${key[Delete]}"    ]] && bindkey -- "${key[Delete]}"    delete-char
[[ -n "${key[Left]}"      ]] && bindkey -- "${key[Left]}"      backward-char
[[ -n "${key[Right]}"     ]] && bindkey -- "${key[Right]}"     forward-char
[[ -n "${key[PageUp]}"    ]] && bindkey -- "${key[PageUp]}"    beginning-of-buffer-or-history
[[ -n "${key[PageDown]}"  ]] && bindkey -- "${key[PageDown]}"  end-of-buffer-or-history
[[ -n "${key[ShiftTab]}"  ]] && bindkey -- "${key[ShiftTab]}"  reverse-menu-complete

# Application mode: terminfo values are only valid while the terminal is in
# application mode. Enable it while zle is active.
if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
	autoload -Uz add-zle-hook-widget
	function zle_application_mode_start { echoti smkx }
	function zle_application_mode_stop  { echoti rmkx }
	add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
	add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
fi

# ── History search: Up/Down search by prefix ──────────────────────────────────
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
[[ -n "${key[Up]}"   ]] && bindkey -- "${key[Up]}"   up-line-or-beginning-search
[[ -n "${key[Down]}" ]] && bindkey -- "${key[Down]}" down-line-or-beginning-search

# ── Custom keybindings ────────────────────────────────────────────────────────
bindkey \^U backward-kill-line

# Ctrl-D exits even on non-empty line
exit_zsh() { exit }
zle -N exit_zsh
bindkey '^D' exit_zsh

# Ctrl-X Ctrl-E: edit command in $EDITOR
autoload -Uz edit-command-line
zle -N edit-command-line
bindkey "^X^E" edit-command-line

# ── Word style ────────────────────────────────────────────────────────────────
# Ctrl-W/Alt-B/Alt-F use shell quoting rules for word boundaries
autoload -Uz select-word-style
select-word-style shell

# ── Smart dot expansion ───────────────────────────────────────────────────────
# Typing .. automatically expands: ... → ../.. , .... → ../../.. , etc.
rationalise-dot() {
	if [[ $LBUFFER = *.. ]]; then
		LBUFFER+=/..
	else
		LBUFFER+=.
	fi
}
zle -N rationalise-dot
bindkey . rationalise-dot

# ── Window title ──────────────────────────────────────────────────────────────
autoload -Uz add-zsh-hook

xterm_title_precmd()  { print -Pn -- '\e]2;%~\a' }
xterm_title_preexec() { print -Pn -- '\e]2;%~ %# ' && print -n -- "${(q)1}\a" }

if [[ "$TERM" == (alacritty|st*|screen*|xterm*|rxvt*|tmux*|putty*|konsole*|gnome*) ]]; then
	add-zsh-hook -Uz precmd xterm_title_precmd
	add-zsh-hook -Uz preexec xterm_title_preexec
fi

# ── Recent directories ────────────────────────────────────────────────────────
autoload -Uz chpwd_recent_dirs cdr
add-zsh-hook chpwd chpwd_recent_dirs
zstyle ':completion:*:*:cdr:*:*' menu selection

# ── Help system ───────────────────────────────────────────────────────────────
autoload -Uz run-help run-help-git run-help-ip
(( $+aliases[run-help] )) && unalias run-help
alias help=run-help

# ── Bracketed paste ───────────────────────────────────────────────────────────
autoload -Uz bracketed-paste-magic
zle -N bracketed-paste bracketed-paste-magic

# ── Aliases ───────────────────────────────────────────────────────────────────
# Files
alias l='lsd -l'
alias la='lsd -lA'
alias lt='lsd --tree'
alias mkdir='mkdir -p'
alias du='du -h'
alias df='df -h'
alias free='free -h'

# Grep / diff with color
alias grep='grep --color=auto'
alias fgrep='fgrep --color=auto'
alias egrep='egrep --color=auto'
alias diff='diff --color=auto'
alias dmesg='dmesg --color=auto'
alias dm='dmesg --color=always | less -r'

# Networking
alias ip="ip -color=auto"
alias lsip="ip -human -color=auto --brief address show"
alias ipa="ip -stats -details -human -color=auto address show"
alias ipecho='curl ipecho.net/plain'
alias ss='doas ss -tupnl'

# Privilege escalation
alias sudo='doas'
alias sudoedit='doasedit'
alias gimme='doas chown $USER:$(id -gn $USER)'
alias pacdiff='doas pacdiff'

# Pacman
alias pacopt='comm -13 <(pacman -Qqdt | sort) <(pacman -Qqdtt | sort)'

# Git
alias g='git'

# Systemd
alias sys='systemctl'
alias ssys='doas systemctl'
alias sysu='systemctl --user'

# Navigation
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'
alias c='clear'

# Tools
alias stow='stow -R --no-folding --adopt'
alias curl='curlie'
alias xclip="xclip -selection clipboard -f"
alias cpr='rsync --archive -hh --partial --info=stats1,progress2 --modify-window=1'
alias mvr='rsync --archive -hh --partial --info=stats1,progress2 --modify-window=1 --remove-source-files'
alias sub='subliminal download -l en'

# Neovim
alias n='nvim'
alias ndiff='nvim -d'
alias nd='nvim -d'
alias nview='nvim -R'
alias nv='nvim -R'
alias ng='nvim +Neogit'

# Tmux
alias ta='tmux new-session -A'
alias tas='tmux new-session -A -s'

# Just
alias j='just'

# X11 keyboard inspection
whichkey() {
	xev | awk -F'[ )]+' '/^KeyPress/ { a[NR+2] } NR in a { printf "%-3s %s\n", $5, $8 }'
}

# LLVM / Clang tooling
alias ncmake='cmake -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_FLAGS="$DEV_CFLAGS" -DCMAKE_CXX_FLAGS="$DEV_CFLAGS" -DCMAKE_INSTALL_PREFIX=build/install -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -B build'
alias ircc='clang -S -emit-llvm -fno-discard-value-names -O0 -Xclang -disable-O0-optnone -o -'
alias irfc='flang -S -emit-llvm -O0 -o -'
alias astcc='clang -Xclang -ast-dump -fsyntax-only'
alias astfc='flang -fc1 -fdebug-dump-parse-tree'
alias symfc='flang -fc1 -fdebug-dump-symbols'
alias gdb='gdb -ex start --args'

# GitHub Copilot CLI
alias copilot='gh copilot --autopilot --enable-all-github-mcp-tools --yolo --resume'

# ── Alias completions ─────────────────────────────────────────────────────────
compdef g=git
compdef j=just
compdef n=nvim ndiff=nvim nd=nvim nview=nvim nv=nvim
compdef sys=systemctl ssys=systemctl sysu=systemctl
compdef l=lsd la=lsd lt=lsd

# ── GPG agent ─────────────────────────────────────────────────────────────────
# Refresh gpg-agent's TTY so pinentry prompts appear in the right terminal
gpg-connect-agent updatestartuptty /bye &>/dev/null

# ── FZF ───────────────────────────────────────────────────────────────────────
source <(fzf --zsh)

# Ctrl-X Ctrl-R: search history with fzf and immediately execute
fzf-history-widget-accept() {
	fzf-history-widget
	zle accept-line
}
zle -N fzf-history-widget-accept
bindkey '^X^R' fzf-history-widget-accept

_fzf_compgen_path() { fd --hidden --follow --exclude ".git" . "$1" }
_fzf_compgen_dir()  { fd --type d --hidden --follow --exclude ".git" . "$1" }

# ── Plugins (must be sourced last) ────────────────────────────────────────────
source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
ZSH_HIGHLIGHT_HIGHLIGHTERS=(main brackets pattern)
ZSH_HIGHLIGHT_STYLES[comment]='fg=yellow'

source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
bindkey '^[[Z' autosuggest-accept  # Shift-Tab to accept suggestion

source /usr/share/zsh/plugins/zsh-history-substring-search/zsh-history-substring-search.zsh