Initial version of the shells' dotfiles

- add config files for both bash and zsh
- as some utilities regard git to be present, git's config files
  are included as well

.zshrc

@@ -0,0 +1,177 @@
+# Executed by zsg when a non-login shell starts
+
+
+# Ensure zsh is running interactively
+[[ $- != *i* ]] && return
+
+
+# Check if a command can be found on the $PATH
+command_exists() {
+    command -v "$1" 1>/dev/null 2>&1
+}
+
+
+
+# ==================
+# Base Configuration
+# ==================
+
+
+# Enable Powerlevel10k instant prompt
+if [ -r "${XDG_CACHE_HOME:-$HOME/.cache}/zsh/p10k-instant-prompt-${(%):-%n}.zsh" ]; then
+    source "${XDG_CACHE_HOME:-$HOME/.cache}/zsh/p10k-instant-prompt-${(%):-%n}.zsh"
+fi
+
+
+# Enable colors and change prompt
+autoload -Uz colors
+colors
+
+# Enable VI mode
+bindkey -v
+
+# If an entered command does not exist per se
+# but is the name of a folder instead, go there.
+setopt AUTO_CD
+
+# Treat "#", "~", and "^" as part of patterns for filename generation
+setopt EXTENDEDGLOB
+# Warn if there are no matches
+setopt NOMATCH
+
+# Silence the shell
+setopt NO_BEEP
+
+# Report status of background jobs immediately
+setopt NOTIFY
+
+# Remove all "built-in" aliases
+unalias -a
+
+
+
+# =======
+# History
+# =======
+
+
+# Cannot be set in `~/.profile` due to conflict with `bash` (same env variable)
+export HISTFILE="$HOME/.zsh_history"
+
+
+
+# =========================
+# Shell Utilities & Aliases
+# =========================
+
+
+source "$HOME/.config/shell/utils.sh"
+source "$HOME/.config/shell/aliases.sh"
+
+
+# Defined here as it cannot be in `aliases.sh` due to a dependency with `~/.bashrc`
+alias dotfiles='/usr/bin/git --git-dir=$HOME/.dotfiles/ --work-tree=$HOME'
+
+
+
+# ===============
+# zplug & Plugins
+# ===============
+
+
+source "$ZSH/oh-my-zsh.sh"
+source "$HOME/.zplug/init.zsh"  # config in `~/.zshenv`
+
+
+# Load all zsh plugins with `zplug`
+
+# Must use double quotes in this section
+# Source: https://github.com/zplug/zplug#example
+
+# Make zplug manage itself like a plugin
+# Source: https://github.com/zplug/zplug#let-zplug-manage-zplug
+zplug "zplug/zplug", hook-build:"zplug --self-manage"
+
+zplug "MichaelAquilina/zsh-you-should-use"  # config in `~/.zshenv`
+
+zplug "zsh-users/zsh-autosuggestions"  # config in `~/.zshenv`
+zplug "zsh-users/zsh-history-substring-search"  # config in `~/.zshenv`; there are key bindings below
+zplug "zsh-users/zsh-syntax-highlighting"
+
+zplug "plugins/command-not-found", from:oh-my-zsh
+zplug "plugins/dotenv", from:oh-my-zsh
+zplug "plugins/dirhistory", from:oh-my-zsh
+zplug "plugins/git-escape-magic", from:oh-my-zsh
+zplug "plugins/jsontools", from:oh-my-zsh
+zplug "plugins/z", from:oh-my-zsh
+
+zplug "romkatv/powerlevel10k", as:theme, depth:1
+
+zplug load
+
+
+
+# ===============
+# Zsh Completions
+# ===============
+
+
+# Initialize zsh's completions
+# NOTE: This is already done with `~/.oh-my-zsh.sh` above
+# autoload -Uz compinit
+# compinit -u -d "$ZSH_COMPDUMP"
+
+# Enable match highlighting and scrolling through long lists,
+# and provide a different style of menu completion
+zmodload zsh/complist
+
+# Include hidden files in tab completion
+_comp_options+=(GLOB_DOTS)
+
+# Enable arrow-key driven interface
+zstyle ':completion:*' menu select
+
+# Make compinit find new executables right away
+zstyle ':completion:*' rehash true
+
+# Enable grouping and group headers
+zstyle ':completion:*:descriptions' format '%B%d%b'
+zstyle ':completion:*:messages' format '%d'
+zstyle ':completion:*:warnings' format 'No matches for: %d'
+zstyle ':completion:*' group-name ''
+
+
+
+# ============
+# Key Bindings
+# ============
+
+# zsh-autosuggestions plugin
+bindkey "^ " autosuggest-accept
+
+# Enable Ctrl-R
+bindkey "^R" history-incremental-search-backward
+
+# Use VI keys to navigate the completions in the menu
+bindkey -M menuselect 'h' vi-backward-char
+bindkey -M menuselect 'k' vi-up-line-or-history
+bindkey -M menuselect 'l' vi-forward-char
+bindkey -M menuselect 'j' vi-down-line-or-history
+
+# history-substring-search plugin
+# Source: https://github.com/zsh-users/zsh-history-substring-search#usage
+# Normal mode
+bindkey "$terminfo[kcuu1]" history-substring-search-up
+bindkey "$terminfo[kcud1]" history-substring-search-down
+# VI mode
+bindkey -M vicmd 'k' history-substring-search-up
+bindkey -M vicmd 'j' history-substring-search-down
+
+
+
+# =====
+# Other
+# =====
+
+# Enable Powerlevel10k "full" prompt
+[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh