Add Forgejo namespace workflow stack

services/forgejo-nsc/internal/nsc/windows.go

@@ -0,0 +1,59 @@
+package nsc
+
+import (
+	"regexp"
+	"strings"
+)
+
+const windowsDefaultMachineType = "windows/amd64:8x16"
+
+var cpuMemShapePattern = regexp.MustCompile(`^\d+x\d+$`)
+
+func hasWindowsLabel(labels []string) bool {
+	for _, label := range labels {
+		l := strings.TrimSpace(label)
+		if l == "" {
+			continue
+		}
+		base := l
+		if before, _, ok := strings.Cut(l, ":"); ok {
+			base = before
+		}
+		if strings.HasPrefix(base, "namespace-profile-windows-") {
+			return true
+		}
+	}
+	return false
+}
+
+func normalizeWindowsMachineType(machineType string, labels []string) string {
+	mt := strings.TrimSpace(machineType)
+	if strings.HasPrefix(mt, "windows/") {
+		return mt
+	}
+	if cpuMemShapePattern.MatchString(mt) {
+		return "windows/amd64:" + mt
+	}
+
+	// Label-derived defaults: keep a simple shape ladder for explicit profile sizes.
+	for _, label := range labels {
+		base := strings.TrimSpace(label)
+		if before, _, ok := strings.Cut(base, ":"); ok {
+			base = before
+		}
+		switch {
+		case strings.HasPrefix(base, "namespace-profile-windows-small"):
+			return "windows/amd64:2x4"
+		case strings.HasPrefix(base, "namespace-profile-windows-medium"):
+			return "windows/amd64:4x8"
+		case strings.HasPrefix(base, "namespace-profile-windows-large"):
+			return windowsDefaultMachineType
+		}
+	}
+	return windowsDefaultMachineType
+}
+
+func powershellSingleQuote(value string) string {
+	// PowerShell single-quoted string escaping: ' -> ''
+	return "'" + strings.ReplaceAll(value, "'", "''") + "'"
+}