input

type FlagInfo struct {
	// Args
	Image1 string
	Image2 string

	// Input Types
	LocalPtr    bool
	GcsPtr      bool
	CosCloudPtr bool

	// Authentication
	ProjectIDPtr string

	// Binary
	BinaryDiffPtr       string
	BinaryTypesSelected []string
	// Package
	PackageSelected bool
	// Commit
	CommitSelected bool
	// Release Notes
	ReleaseNotesSelected bool

	// Verbosity of output
	// If true, full Rootfs, Os-Config, and Stateful Partition output is shown.
	// Else false (default), Rootfs and Stateful Partition directories listed on files
	// 	pointed to by CompressRootfsFile and CompressStatefulFile respectively are compressed.
	// 	For OS-configs difference, all /etc entries that are listed in CompressRootfsFile are ignored.
	Verbose bool

	// File used to compress directories in the output from Rootfs difference and
	// for ignore entries under /etc for OS-Config difference
	// (either user provided or default CompressRootfs.txt)
	CompressRootfsFile string
	// Slice of CompressRootfsFile
	CompressRootfsSlice []string

	// File used to compress directories in the output from Stateful-partition difference
	// (either user provided or default CompressStateful.txt)
	CompressStatefulFile string
	// Slice of CompressRootfsFile
	CompressStatefulSlice []string

	// Output
	OutputSelected string
}

type ImageInfo struct {
	// Input Overhead
	TempDir          string // Temporary directory holding the mounted image and disk file
	DiskFile         string // Path to the DOS/MBR disk partition file
	StatePartition1  string // Path to mounted directory of partition #1, stateful partition
	RootfsPartition3 string // Path to mounted directory of partition #3, Rootfs-A
	EFIPartition12   string // Path to mounted directory of partition #12, EFI-System
	LoopDevice1      string // Active loop device for mounted image
	LoopDevice3      string // Active loop device for mounted image
	LoopDevice12     string // Active loop device for mounted image

	// Binary info
	Version            string // Major cos version
	BuildID            string // Minor cos version
	PartitionFile      string // Path to the file storing the disk partition structure from "sgdisk"
	SysctlSettingsFile string // Path to the /etc/sysctrl.d/00-sysctl.conf file of an image
	KernelCommandLine  string // The kernel command line boot-time parameters stored in partition 12 efi/boot/grub.cfg
	KernelConfigsFile  string // Path to the ".config" file downloaded from GCS that holds a build's kernel configs
}