release: bump version to 0.72.0

scripts/harness/lib.sh

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+harness_candidate_shells() {
+  local shell
+  local -a shells=()
+  if [ -n "${SHELL:-}" ]; then
+    shells+=("$SHELL")
+  fi
+  shells+=(zsh bash)
+
+  local seen=""
+  for shell in "${shells[@]}"; do
+    if [ -z "$shell" ]; then
+      continue
+    fi
+    if ! command -v "$shell" >/dev/null 2>&1; then
+      continue
+    fi
+    shell="$(command -v "$shell")"
+    case ":$seen:" in
+      *":$shell:"*) continue ;;
+    esac
+    seen="${seen:+$seen:}$shell"
+    printf "%s\n" "$shell"
+  done
+}
+
+harness_find_cmd() {
+  local cmd="$1"
+  if [[ ! "$cmd" =~ ^[A-Za-z0-9_.+-]+$ ]]; then
+    printf "invalid command name: %s\n" "$cmd" >&2
+    return 2
+  fi
+
+  local found=""
+  found="$(command -v "$cmd" 2>/dev/null || true)"
+  if [ -n "$found" ] && [ -x "$found" ]; then
+    printf "%s\n" "$found"
+    return 0
+  fi
+
+  local shell
+  while IFS= read -r shell; do
+    found="$("$shell" -lic "command -v $cmd" 2>/dev/null | sed -n '1p' || true)"
+    if [ -n "$found" ] && [ -x "$found" ]; then
+      printf "%s\n" "$found"
+      return 0
+    fi
+  done < <(harness_candidate_shells)
+
+  return 1
+}
+
+harness_require_tool() {
+  local cmd="$1"
+  local found
+  if ! found="$(harness_find_cmd "$cmd")"; then
+    printf "missing required command: %s\n" "$cmd" >&2
+    printf "looked in the current non-interactive PATH and login interactive shells\n" >&2
+    return 1
+  fi
+  harness_prepend_tool_dir "$found"
+  printf "%s\n" "$found"
+}
+
+harness_prepend_tool_dir() {
+  local path="$1"
+  local dir
+  dir="$(dirname "$path")"
+  case ":$PATH:" in
+    *":$dir:"*) ;;
+    *)
+      PATH="$dir:$PATH"
+      export PATH
+      ;;
+  esac
+}
+
+harness_run() {
+  printf "+ %s\n" "$*" >&2
+  "$@"
+}