.zshrc

# Source custom environment variables (PATH etc.)
if [ -f "${HOME}/.env" ]; then
    source "${HOME}/.env"
fi

# Internal paths
ANTIGEN_PATH="${HOME}/opt/antigen"
POWERLINE_PATH="${GOPATH}/bin/powerline-go"


powerline_precmd() {
    eval "$(${POWERLINE_PATH} -error $? -colorize-hostname -shell zsh -eval \
        -modules 'nix-shell,ssh,venv,user,host,cwd,perms' \
        -modules-right 'exit,jobs,git,docker,kube' \
        -priority 'root,venv,ssh,exit,cwd,user,perms,host,jobs,git-branch,git-status,cwd-path' \
        -cwd-max-depth 2 -max-width 30 -truncate-segment-width 25)"
}

install_powerline_precmd() {
  for s in "${precmd_functions[@]}"; do
    if [ "$s" = "powerline_precmd" ]; then
      return
    fi
  done
  precmd_functions+=(powerline_precmd)
}

SHELL_THEME="powerlevel9k"
if [ -x "$POWERLINE_PATH" ]; then
    SHELL_THEME="powerline"
fi
 
# Powerlevel9k configuration
if [[ "$SHELL_THEME" == "powerlevel9k" ]]; then
    POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context dir background_jobs)
    POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status vcs)
    POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
fi


# Explicitly set LC_* locale to prevent tab completion issues for remote connections
export LC_CTYPE=${LANG}
export LC_ALL=${LANG}
export ANTIGEN_LOG="${ANTIGEN_PATH}/antigen.log"

# Load Antigen package manager
source "${ANTIGEN_PATH}/antigen.zsh"

antigen use oh-my-zsh

# Oh-my-zsh default plugins
antigen bundle colored-man-pages
antigen bundle docker
antigen bundle encode64
antigen bundle git-extras
antigen bundle github
antigen bundle history
antigen bundle jsontools
antigen bundle pip
antigen bundle python
antigen bundle screen
antigen bundle sudo
antigen bundle systemd
antigen bundle wd

# Third-party plugins
antigen bundle zsh-users/zsh-completions
antigen bundle zsh-users/zsh-syntax-highlighting

# Other ZSH extensions
autoload -U zmv

# Powerlevel9k fallback theme
if [[ "$SHELL_THEME" == "powerlevel9k" ]]; then
    antigen theme bhilburn/powerlevel9k powerlevel9k
fi

# Apply plugins and themes
antigen apply 2>&1 > /dev/null

# Powerline shell theme
if [[ "$SHELL_THEME" == "powerline" ]]; then
    install_powerline_precmd
fi

# Proper umask (needed for WSL and maybe some other broken systems)
umask 022

# Tree-view for kill command completion
zstyle ':completion:*:*:kill:*:processes' command 'ps --forest -e -o pid,user,tty,cmd'

# Manage SSH keys with keychain
if $(command -v keychain > /dev/null); then
    keychain id_rsa
    source  ~/.keychain/$(hostname)-sh
fi