dotfiles/.config/zsh/.zshrc

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## Options section
setopt correct # Auto correct mistakes
setopt extendedglob # Extended globbing. Allows using regular expressions with *
setopt nocaseglob # Case insensitive globbing
setopt rcexpandparam # Array expension with parameters
setopt nocheckjobs # Don't warn about running processes when exiting
setopt numericglobsort # Sort filenames numerically when it makes sense
setopt nobeep # No beep
setopt autocd # if only directory path is entered, cd there.
setopt appendhistory # Immediately append history instead of overwriting
setopt histignorealldups # If a new command is a duplicate, remove the older one
setopt HIST_IGNORE_SPACE
zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' # Case insensitive tab completion
zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}" # Colored completion (different colors for dirs/files/etc)
zstyle ':completion:*' rehash true # automatically find new executables in path
# Speed up completions
zstyle ':completion:*' accept-exact '*(N)'
zstyle ':completion:*' use-cache on
zstyle ':completion:*' cache-path ~/.zsh/cache
HISTFILE=~/.zhistory
HISTSIZE=1000
SAVEHIST=500
WORDCHARS=${WORDCHARS//\/[&.;]} # Don't consider certain characters part of the word
## Keybindings section
bindkey -e
bindkey '^[[7~' beginning-of-line # Home key
bindkey '^[[H' beginning-of-line # Home key
if [[ "${terminfo[khome]}" != "" ]]; then
bindkey "${terminfo[khome]}" beginning-of-line # [Home] - Go to beginning of line
fi
bindkey '^[[8~' end-of-line # End key
bindkey '^[[F' end-of-line # End key
if [[ "${terminfo[kend]}" != "" ]]; then
bindkey "${terminfo[kend]}" end-of-line # [End] - Go to end of line
fi
bindkey '^[[2~' overwrite-mode # Insert key
bindkey '^[[3~' delete-char # Delete key
bindkey '^[[C' forward-char # Right key
bindkey '^[[D' backward-char # Left key
bindkey '^[[5~' history-beginning-search-backward # Page up key
bindkey '^[[6~' history-beginning-search-forward # Page down key
# Navigate words with ctrl+arrow keys
bindkey '^[Oc' forward-word #
bindkey '^[Od' backward-word #
bindkey '^[[1;5D' backward-word #
bindkey '^[[1;5C' forward-word #
bindkey '^H' backward-kill-word # delete previous word with ctrl+backspace
bindkey '^[[Z' undo # Shift+tab undo last action
# Theming section
autoload -U compinit colors zcalc
compinit -d
colors
# enable substitution for prompt
setopt prompt_subst
# Prompt (on left side) similar to default bash prompt, or redhat zsh prompt with colors
#PROMPT="%(!.%{$fg[red]%}[%n@%m %1~]%{$reset_color%}# .%{$fg[green]%}[%n@%m %1~]%{$reset_color%}$ "
# Maia prompt
PROMPT="%B%{$fg[cyan]%}%(4~|%-1~/.../%2~|%~)%u%b >%{$fg[cyan]%}>%B%(?.%{$fg[cyan]%}.%{$fg[red]%})>%{$reset_color%}%b " # Print some system information when the shell is first started
# Print a greeting message when shell is started
echo $USER@$HOST $(uname -srm) $(lsb_release -rcs)
## Prompt on right side:
# - shows status of git when in git repository (code adapted from https://techanic.net/2012/12/30/my_git_prompt_for_zsh.html)
# - shows exit status of previous command (if previous command finished with an error)
# - is invisible, if neither is the case
# Modify the colors and symbols in these variables as desired.
GIT_PROMPT_SYMBOL="%{$fg[blue]%}±" # plus/minus - clean repo
GIT_PROMPT_PREFIX="%{$fg[green]%}[%{$reset_color%}"
GIT_PROMPT_SUFFIX="%{$fg[green]%}]%{$reset_color%}"
GIT_PROMPT_AHEAD="%{$fg[red]%}ANUM%{$reset_color%}" # A"NUM" - ahead by "NUM" commits
GIT_PROMPT_BEHIND="%{$fg[cyan]%}BNUM%{$reset_color%}" # B"NUM" - behind by "NUM" commits
GIT_PROMPT_MERGING="%{$fg_bold[magenta]%}⚡︎%{$reset_color%}" # lightning bolt - merge conflict
GIT_PROMPT_UNTRACKED="%{$fg_bold[red]%}●%{$reset_color%}" # red circle - untracked files
GIT_PROMPT_MODIFIED="%{$fg_bold[yellow]%}●%{$reset_color%}" # yellow circle - tracked files modified
GIT_PROMPT_STAGED="%{$fg_bold[green]%}●%{$reset_color%}" # green circle - staged changes present = ready for "git push"
parse_git_branch() {
# Show Git branch/tag, or name-rev if on detached head
( git symbolic-ref -q HEAD || git name-rev --name-only --no-undefined --always HEAD ) 2> /dev/null
}
parse_git_state() {
# Show different symbols as appropriate for various Git repository states
# Compose this value via multiple conditional appends.
local GIT_STATE=""
local NUM_AHEAD="$(git log --oneline @{u}.. 2> /dev/null | wc -l | tr -d ' ')"
if [ "$NUM_AHEAD" -gt 0 ]; then
GIT_STATE=$GIT_STATE${GIT_PROMPT_AHEAD//NUM/$NUM_AHEAD}
fi
local NUM_BEHIND="$(git log --oneline ..@{u} 2> /dev/null | wc -l | tr -d ' ')"
if [ "$NUM_BEHIND" -gt 0 ]; then
GIT_STATE=$GIT_STATE${GIT_PROMPT_BEHIND//NUM/$NUM_BEHIND}
fi
local GIT_DIR="$(git rev-parse --git-dir 2> /dev/null)"
if [ -n $GIT_DIR ] && test -r $GIT_DIR/MERGE_HEAD; then
GIT_STATE=$GIT_STATE$GIT_PROMPT_MERGING
fi
if [[ -n $(git ls-files --other --exclude-standard 2> /dev/null) ]]; then
GIT_STATE=$GIT_STATE$GIT_PROMPT_UNTRACKED
fi
if ! git diff --quiet 2> /dev/null; then
GIT_STATE=$GIT_STATE$GIT_PROMPT_MODIFIED
fi
if ! git diff --cached --quiet 2> /dev/null; then
GIT_STATE=$GIT_STATE$GIT_PROMPT_STAGED
fi
if [[ -n $GIT_STATE ]]; then
echo "$GIT_PROMPT_PREFIX$GIT_STATE$GIT_PROMPT_SUFFIX"
fi
}
git_prompt_string() {
local git_where="$(parse_git_branch)"
# If inside a Git repository, print its branch and state
[ -n "$git_where" ] && echo "$GIT_PROMPT_SYMBOL$(parse_git_state)$GIT_PROMPT_PREFIX%{$fg[yellow]%}${git_where#(refs/heads/|tags/)}$GIT_PROMPT_SUFFIX"
# If not inside the Git repo, print exit codes of last command (only if it failed)
[ ! -n "$git_where" ] && echo "%{$fg[red]%} %(?..[%?])"
}
## Plugins section: Enable fish style features
# Use syntax highlighting
source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
# Use history substring search
source /usr/share/zsh/plugins/zsh-history-substring-search/zsh-history-substring-search.zsh
# Use autosuggestion
source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE=20
ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=8'
# bind UP and DOWN arrow keys to history substring search
zmodload zsh/terminfo
bindkey "$terminfo[kcuu1]" history-substring-search-up
bindkey "$terminfo[kcud1]" history-substring-search-down
bindkey '^[[A' history-substring-search-up
bindkey '^[[B' history-substring-search-down
RPROMPT='$(git_prompt_string)'
[ -f "$ZDOTDIR/completion" ] && . "$ZDOTDIR/completion" # Additional ZSH completion
[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/shell/aliasrc" ] && . "${XDG_CONFIG_HOME:-$HOME/.config}/shell/aliasrc"