stats

type BitmapStat struct {
	// Exists indicates whether the bitmap exists. This field would usually always be `true`
	// when read via `BitmapInfoForPath()`, but helps when the bitmap info is embedded into
	// another structure where it may only be conditionally read.
	Exists bool `json:"exists"`
	// Version is the version of the bitmap. Currently, this is expected to always be 1.
	Version uint16 `json:"version"`
	// HasHashCache indicates whether the name hash cache extension exists in the bitmap. This
	// extension records hashes of the path at which trees or blobs are found at the time of
	// writing the packfile so that it becomes possible to quickly find objects stored at the
	// same path. This mechanism is fed into the delta compression machinery to make the delta
	// heuristics more effective.
	HasHashCache bool `json:"has_hash_cache"`
	// HasLookupTable indicates whether the lookup table exists in the bitmap. Lookup tables
	// allow to defer loading bitmaps until required and thus speed up read-only bitmap
	// preparations.
	HasLookupTable bool `json:"has_lookup_table"`
}

type CommitGraphInfo struct {
	// Exists tells whether a commit-graph exists.
	Exists bool `json:"exists"`
	// CommitGraphChainLength is the length of the commit-graph chain, if it exists. If the
	// repository does not have a commit-graph chain but a monolithic commit-graph, then this
	// field will be set to 0.
	CommitGraphChainLength uint64 `json:"commit_graph_chain_length"`
	// HasBloomFilters tells whether the commit-graph has bloom filters. Bloom filters are used
	// to answer the question whether a certain path has been changed in the commit the bloom
	// filter applies to.
	HasBloomFilters bool `json:"has_bloom_filters"`
	// HasGenerationData tells whether the commit-graph has generation data. Generation
	// data is stored as the corrected committer date, which is defined as the maximum
	// of the commit's own committer date or the corrected committer date of any of its
	// parents. This data can be used to determine whether a commit A comes after a
	// certain commit B.
	HasGenerationData bool `json:"has_generation_data"`
	// HasGenerationDataOverflow stores overflow data in case the corrected committer
	// date takes more than 31 bits to represent.
	HasGenerationDataOverflow bool `json:"has_generation_data_overflow"`
}

type LFSObjectsStat struct {
	Count uint64 `json:"count"`
	Size  uint64 `json:"size"`
}

type LooseObjectsStat struct {
	// Count is the number of loose objects.
	Count uint64 `json:"count"`
	// Size is the total size of all loose objects in bytes.
	Size uint64 `json:"size"`
	// StaleCount is the number of stale loose objects when taking into account the specified cutoff
	// date.
	StaleCount uint64 `json:"stale_count"`
	// StaleSize is the total size of stale loose objects when taking into account the specified
	// cutoff date.
	StaleSize uint64 `json:"stale_size"`
	// GarbageCount is the number of garbage files in the loose-objects shards.
	GarbageCount uint64 `json:"garbage_count"`
	// GarbageSize is the total size of garbage in the loose-objects shards.
	GarbageSize uint64 `json:"garbage_size"`
}

type MultiPackIndexStat struct {
	// Exists determines whether the multi-pack-index exists or not.
	Exists bool `json:"exists"`
	// Version is the version of the multi-pack-index. Currently, Git only recognizes version 1.
	Version uint8 `json:"version"`
	// PackfileCount is the count of packfiles that the multi-pack-index tracks.
	PackfileCount uint64 `json:"packfile_count"`
}

type PackEntry struct {
	Name string `json:"name"`
	Size uint64 `json:"size"`
}

type PackfilesStat struct {
	// Count is the number of all packfiles, including stale and kept ones.
	Count uint64 `json:"count"`
	// Size is the total size of all packfiles in bytes, including stale and kept ones.
	Size uint64 `json:"size"`
	// PackEntries small pack count
	PackEntries []PackEntry `json:"entries"`
	// ReverseIndexCount is the number of reverse indices.
	ReverseIndexCount uint64 `json:"reverse_index_count"`
	// CruftCount is the number of cruft packfiles which have a .mtimes file.
	CruftCount uint64 `json:"cruft_count"`
	// CruftSize is the size of cruft packfiles which have a .mtimes file.
	CruftSize uint64 `json:"cruft_size"`
	// KeepCount is the number of .keep packfiles.
	KeepCount uint64 `json:"keep_count"`
	// KeepSize is the size of .keep packfiles.
	KeepSize uint64 `json:"keep_size"`
	// GarbageCount is the number of garbage files.
	GarbageCount uint64 `json:"garbage_count"`
	// GarbageSize is the total size of all garbage files in bytes.
	GarbageSize uint64 `json:"garbage_size"`
	// Bitmap contains information about the bitmap, if any exists.
	Bitmap BitmapStat `json:"bitmap"`
	// MultiPackIndex confains information about the multi-pack-index, if any exists.
	MultiPackIndex MultiPackIndexStat `json:"multi_pack_index"`
	// MultiPackIndexBitmap contains information about the bitmap for the multi-pack-index, if
	// any exists.
	MultiPackIndexBitmap BitmapStat `json:"multi_pack_index_bitmap"`
}

type ReferencesStat struct {
	// LooseReferencesCount is the number of unpacked, loose references that exist.
	LooseReferencesCount uint64 `json:"loose_references_count"`
	// PackedReferencesSize is the size of the packed-refs file in bytes.
	PackedReferencesSize uint64 `json:"packed_references_size"`
	// ReftableTables contains details of individual table files.
	ReftableTables []ReftableTable `json:"reftable_tables"`
	// ReftableUnrecognizedFilesCount is the number of files under the `reftables/`
	// directory that shouldn't exist, according to the entries in `tables.list`.
	ReftableUnrecognizedFilesCount uint64 `json:"reftable_unrecognized_files"`
	// ReferenceBackendName denotes the reference backend name of the repo.
	ReferenceBackendName string `json:"reference_backend"`
}

type ReftableTable struct {
	// Size is the size in bytes.
	Size uint64 `json:"size"`
	// UpdateIndexMin is the min_update_index of the reftable table. This is derived
	// from the filename only.
	UpdateIndexMin uint64 `json:"update_index_min"`
	// UpdateIndexMax is the max_update_index of the reftable table. This is derived
	// from the filename only.
	UpdateIndexMax uint64 `json:"update_index_max"`
}

type Stat struct {
	// LooseObjects contains information about loose objects.
	LooseObjects LooseObjectsStat `json:"loose_objects"`
	// Packfiles contains information about packfiles.
	Packfiles PackfilesStat `json:"packfiles"`
	// References contains information about the repository's references.
	References ReferencesStat `json:"references"`
	// CommitGraph contains information about the repository's commit-graphs.
	CommitGraph CommitGraphInfo `json:"commit_graph"`
	LFS         LFSObjectsStat  `json:"lfs"`
}