Initial commit

lib/common.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+# Common utilities for strix-halo-optimizations scripts
+
+set -euo pipefail
+
+# Auto-detect project root
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[1]:-${BASH_SOURCE[0]}}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR" && while [[ ! -f Makefile ]] && [[ "$PWD" != "/" ]]; do cd ..; done; pwd)"
+if [[ "$PROJECT_ROOT" == "/" ]]; then
+    # Fallback: assume lib/ is one level below project root
+    PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+fi
+
+# Colors (disabled if not a terminal)
+if [[ -t 1 ]]; then
+    RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[0;33m'
+    BLUE='\033[0;34m'; CYAN='\033[0;36m'; BOLD='\033[1m'
+    DIM='\033[2m'; RESET='\033[0m'
+else
+    RED=''; GREEN=''; YELLOW=''; BLUE=''; CYAN=''; BOLD=''; DIM=''; RESET=''
+fi
+
+log_info()    { printf "${BLUE}[INFO]${RESET} %s\n" "$*"; }
+log_success() { printf "${GREEN}[OK]${RESET}   %s\n" "$*"; }
+log_warn()    { printf "${YELLOW}[WARN]${RESET} %s\n" "$*"; }
+log_error()   { printf "${RED}[ERR]${RESET}  %s\n" "$*" >&2; }
+log_header()  { printf "\n${BOLD}=== %s ===${RESET}\n" "$*"; }
+
+is_cmd() { command -v "$1" &>/dev/null; }
+
+require_root() {
+    if [[ $EUID -ne 0 ]]; then
+        log_error "This script requires root privileges. Run with sudo."
+        exit 1
+    fi
+}
+
+confirm() {
+    local prompt="${1:-Continue?}"
+    printf "${YELLOW}%s [y/N] ${RESET}" "$prompt"
+    read -r reply
+    [[ "$reply" =~ ^[Yy]$ ]]
+}
+
+data_dir() {
+    local subdir="${1:-.}"
+    local dir="$PROJECT_ROOT/data/$subdir"
+    mkdir -p "$dir"
+    echo "$dir"
+}
+
+timestamp() { date '+%Y%m%d-%H%M%S'; }