Fixes bug where go-slug would not build on 32 bit linux

internal/unpackinfo/lchtimes_linux32.go

@@ -0,0 +1,28 @@
+//go:build (linux && amd) || (linux && arm)
+// +build linux,amd linux,arm
+
+package unpackinfo
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+// Lchtimes modifies the access and modified timestamps on a target path
+// This capability is only available on Linux and Darwin as of now.
+func (i UnpackInfo) Lchtimes() error {
+	return unix.Lutimes(i.Path, []unix.Timeval{
+		{Sec: i.OriginalAccessTime.Unix(), Usec: int32(i.OriginalAccessTime.Nanosecond() / 1e6 % 1e6)},
+		{Sec: i.OriginalModTime.Unix(), Usec: int32(i.OriginalModTime.Nanosecond() / 1e6 % 1e6)}},
+	)
+}
+
+// CanMaintainSymlinkTimestamps determines whether is is possible to change
+// timestamps on symlinks for the the current platform. For regular files
+// and directories, attempts are made to restore permissions and timestamps
+// after extraction. But for symbolic links, go's cross-platform
+// packages (Chmod and Chtimes) are not capable of changing symlink info
+// because those methods follow the symlinks. However, a platform-dependent option
+// is provided for linux and darwin (see Lchtimes)
+func CanMaintainSymlinkTimestamps() bool {
+	return true
+}

internal/unpackinfo/lchtimes_linux.go → internal/unpackinfo/lchtimes_linux64.go

@@ -1,5 +1,5 @@
-//go:build linux
-// +build linux
+//go:build (linux && amd64) || (linux && arm64)
+// +build linux,amd64 linux,arm64
 
 package unpackinfo
 

internal/unpackinfo/lchtimes_others.go

@@ -1,5 +1,5 @@
-//go:build !(linux || darwin)
-// +build !linux,!darwin
+//go:build !darwin || (linux && !amd64) || (linux && !arm64) || (linux && !amd) || (linux && !arm)
+// +build !darwin linux,!amd64 linux,!arm64 linux,!amd linux,!arm
 
 package unpackinfo