Dotfiles update 2025-12-25 12:04
This commit is contained in:
Aaron D. Lee
215
dotfiles-refactor/zsh/lib/utils.zsh
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215
dotfiles-refactor/zsh/lib/utils.zsh
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# ============================================================================
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# Shared Utility Functions for Zsh Dotfiles
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# ============================================================================
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# Common helper functions used across multiple function files.
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#
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# This file is typically sourced via bootstrap.zsh, which handles loading
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# config.zsh and colors.zsh first.
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#
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# Direct usage (if needed):
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# source "${0:A:h}/../lib/utils.zsh"
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# ============================================================================
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# Prevent double-sourcing
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[[ -n "$_DF_UTILS_LOADED" ]] && return 0
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typeset -g _DF_UTILS_LOADED=1
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# ============================================================================
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# Source Dependencies (if not already loaded via bootstrap)
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# ============================================================================
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_df_lib_dir="${0:A:h}"
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[[ ! -d "$_df_lib_dir" ]] && _df_lib_dir="$HOME/.dotfiles/zsh/lib"
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# Source config if not already loaded
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[[ -z "$_DF_CONFIG_LOADED" ]] && {
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source "${_df_lib_dir}/config.zsh" 2>/dev/null || \
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source "$HOME/.dotfiles/zsh/lib/config.zsh" 2>/dev/null || {
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typeset -g DOTFILES_DIR="${DOTFILES_DIR:-$HOME/.dotfiles}"
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typeset -g DOTFILES_HOME="${DOTFILES_HOME:-$DOTFILES_DIR}"
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typeset -g DOTFILES_VERSION="${DOTFILES_VERSION:-unknown}"
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typeset -g DF_WIDTH="${DF_WIDTH:-66}"
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}
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}
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# Source colors if not already loaded
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[[ -z "$_DF_COLORS_LOADED" ]] && {
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source "${_df_lib_dir}/colors.zsh" 2>/dev/null || \
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source "$HOME/.dotfiles/zsh/lib/colors.zsh" 2>/dev/null || {
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typeset -g DF_RED=$'\033[0;31m' DF_GREEN=$'\033[0;32m' DF_YELLOW=$'\033[1;33m'
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typeset -g DF_BLUE=$'\033[0;34m' DF_CYAN=$'\033[0;36m' DF_NC=$'\033[0m'
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typeset -g DF_GREY=$'\033[38;5;242m' DF_LIGHT_BLUE=$'\033[38;5;39m'
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typeset -g DF_LIGHT_GREEN=$'\033[38;5;82m' DF_BOLD=$'\033[1m' DF_DIM=$'\033[2m'
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}
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}
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unset _df_lib_dir
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# ============================================================================
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# Header Box Drawing (Centralized Implementation)
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# ============================================================================
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# These functions eliminate header duplication across all scripts.
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# Build a horizontal line of specified character and width
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# Usage: _df_hline "═" 66
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_df_hline() {
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local char="${1:-═}"
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local width="${2:-$DF_WIDTH}"
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local line=""
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for ((i=0; i<width; i++)); do line+="$char"; done
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echo "$line"
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}
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# Print a MOTD-style header box for scripts
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# Usage: df_print_header "script-name"
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df_print_header() {
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local script_name="${1:-script}"
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local user="${USER:-root}"
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local hostname="${HOST:-${HOSTNAME:-$(hostname -s 2>/dev/null)}}"
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local datetime=$(date '+%a %b %d %H:%M')
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local width="${DF_WIDTH:-66}"
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# Build horizontal line
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local hline=$(_df_hline "═" "$width")
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local inner=$((width - 2))
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# Header content
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local h_left="✦ ${user}@${hostname}"
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local h_center="${script_name}"
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local h_right="${datetime}"
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# Calculate padding (distribute space evenly)
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local content_len=$((${#h_left} + ${#h_center} + ${#h_right}))
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local total_padding=$((inner - content_len))
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local left_pad=$((total_padding / 2))
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local right_pad=$((total_padding - left_pad))
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# Build padding strings
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local left_spaces="" right_spaces=""
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for ((i=0; i<left_pad; i++)); do left_spaces+=" "; done
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for ((i=0; i<right_pad; i++)); do right_spaces+=" "; done
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# Use red for root, light blue for normal users
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local user_color="${DF_LIGHT_BLUE}"
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[[ "${EUID:-$(id -u)}" -eq 0 ]] && user_color="${DF_RED}"
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echo ""
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echo -e "${DF_GREY}╒${hline}╕${DF_NC}"
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echo -e "${DF_GREY}│${DF_NC} ${DF_BOLD}${user_color}${h_left}${DF_NC}${left_spaces}${DF_LIGHT_GREEN}${h_center}${right_spaces}${DF_NC}${DF_BOLD}${h_right}${DF_NC} ${DF_GREY}│${DF_NC}"
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echo -e "${DF_GREY}╘${hline}╛${DF_NC}"
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echo ""
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}
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# Print a header box for functions (simpler, no user@host)
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# Usage: df_print_func_name "Function Name"
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df_print_func_name() {
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local func_name="${1:-func}"
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local datetime=$(date '+%a %b %d %H:%M')
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local width="${DF_WIDTH:-66}"
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# Build horizontal line
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local hline=$(_df_hline "═" "$width")
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local inner=$((width - 2))
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# Header content (function name on left, datetime on right)
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local h_left="${func_name}"
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local h_right="${datetime}"
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local h_pad=$((inner - ${#h_left} - ${#h_right}))
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local h_spaces=""
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for ((i=0; i<h_pad; i++)); do h_spaces+=" "; done
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echo -e "${DF_GREY}╒${hline}╕${DF_NC}"
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echo -e "${DF_GREY}│${DF_NC} ${DF_BOLD}${DF_LIGHT_BLUE}${h_left}${DF_NC}${h_spaces}${DF_BOLD}${h_right}${DF_NC} ${DF_GREY}│${DF_NC}"
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echo -e "${DF_GREY}╘${hline}╛${DF_NC}"
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}
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# Print a simple section divider line
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# Usage: df_print_divider
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df_print_divider() {
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local width="${DF_WIDTH:-66}"
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local line=$(_df_hline "─" "$width")
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echo -e "${DF_CYAN}${line}${DF_NC}"
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}
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# ============================================================================
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# Output Formatting Functions
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# ============================================================================
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df_print_step() { echo -e "${DF_BLUE}==>${DF_NC} $1"; }
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df_print_success() { echo -e "${DF_GREEN}✓${DF_NC} $1"; }
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df_print_error() { echo -e "${DF_RED}✗${DF_NC} $1" >&2; }
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df_print_warning() { echo -e "${DF_YELLOW}⚠${DF_NC} $1"; }
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df_print_info() { echo -e "${DF_CYAN}ℹ${DF_NC} $1"; }
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df_print_section() { echo -e "${DF_CYAN}$1:${DF_NC}"; }
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df_print_indent() { echo " $1"; }
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# ============================================================================
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# Command Dependency Checking
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# ============================================================================
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df_cmd_exists() { command -v "$1" &>/dev/null; }
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df_require_cmd() {
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local cmd="$1"
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local package="${2:-$1}"
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if ! command -v "$cmd" &>/dev/null; then
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df_print_error "$cmd not installed"
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echo "Install: sudo pacman -S $package"
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return 1
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fi
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return 0
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}
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# ============================================================================
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# User Confirmation
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# ============================================================================
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df_confirm() {
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local prompt="$1"
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local response
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if [[ -n "$ZSH_VERSION" ]]; then
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read -q "response?$prompt [y/N]: "
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echo
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[[ "$response" =~ ^[Yy]$ ]]
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else
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read -p "$prompt [y/N]: " response
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[[ "$response" =~ ^[Yy]$ ]]
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fi
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}
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df_confirm_warning() {
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df_print_warning "$1"
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df_confirm "Continue?"
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}
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# ============================================================================
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# File/Directory Helpers
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# ============================================================================
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df_in_git_repo() { git rev-parse --git-dir &>/dev/null 2>&1; }
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df_git_root() { git rev-parse --show-toplevel 2>/dev/null; }
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df_ensure_dir() { [[ ! -d "$1" ]] && mkdir -p "$1"; }
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df_ensure_file() {
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local file="$1" content="${2:-}"
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if [[ ! -f "$file" ]]; then
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df_ensure_dir "$(dirname "$file")"
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[[ -n "$content" ]] && echo "$content" > "$file" || touch "$file"
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fi
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}
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# ============================================================================
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# Environment Checks
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# ============================================================================
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df_in_tmux() { [[ -n "$TMUX" ]]; }
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df_is_btrfs() { [[ "$(df -T / 2>/dev/null | awk 'NR==2 {print $2}')" == "btrfs" ]]; }
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# ============================================================================
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# FZF Helpers
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# ============================================================================
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df_fzf_opts() { echo "--height=50% --layout=reverse --border=rounded"; }
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