# Past garble versions might not properly patch cmd/link with "git apply"
# when running inside a git repository. Skip the extra check with -short.
[!short] [exec:git] exec git init -q
[!short] [exec:git] env GARBLE_CACHE_DIR=$WORK/linker-cache

garble build
exec ./main
! cmp stderr main.stderr

[short] stop # no need to verify this with -short

go build
exec ./main
cmp stderr main.stderr
-- go.mod --
module test/main

go 1.19

-- main.go --
package main

import (
	"strconv"
	"strings"
	_ "unsafe"
)

type fakeModuleData struct {
	pcHeader *struct {
		magic uint32
	}
}

//go:linkname activeModules runtime.activeModules
func activeModules() []*fakeModuleData

// genericMagicValue returns magic value without last digit
func genericMagicValue() string {
	mod := activeModules()[0]
	magicValHex := strings.ToUpper(strconv.FormatUint(uint64(mod.pcHeader.magic), 16))
	return "0x" + magicValHex[:len(magicValHex)-1] + "?"
}

func main() {
	println(genericMagicValue())
}

-- main.stderr --
0xFFFFFFF?