package pb

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• optional BuildRootMeta meta = 10

• repeated string store_path_hash = 5

  store path hash as nix32 (base of .narinfo file in nix cache)

• repeated string manifest = 6

  manifest cache key

Used in: BuildRoot

• int64 build_time = 1

• string nix_rel_id = 2

  for ci build

• string styx_commit = 3

  for ci build

• string charon_build = 4

  for build of charon itself

• string manifest_upstream = 5

  for on-demand manifest

• string manifest_sph = 6

  for on-demand manifest

Parameters that can be used to configure a styx daemon.

Used in: DbParams

• optional GlobalParams params = 1

• string manifester_url = 2

  URL for manifester service, chunk reads, and chunk diffs.

• string manifest_cache_url = 5

• string chunk_read_url = 3

• string chunk_diff_url = 4

• int64 shard_manifest_bytes = 6

  Size to shard manifest. If missing, daemon uses a default.

key: "image" / <store path hash (nix base32)> value:

• string store_path = 2

  full store path including name

• string upstream = 3

  which upstream this was from

• int64 syschecker_system = 4

  system id from syschecker

• MountState mount_state = 5

  is it mounted and where?

• string mount_point = 6

• string last_mount_error = 7

• int64 image_size = 1

  size of erofs image

• bool is_bare = 10

• int64 nar_size = 11

  nar size, if known

key: "meta" / "params"

• optional DaemonParams params = 1

• repeated string pubkey = 2

Mostly modeled on nar Header

Used in: Manifest, SignedMessage

• string path = 1

  Path of the entry, relative inside the NAR

• EntryType type = 2

  File type (regular/directory/symlink)

• int64 size = 3

  Logical file size in bytes (only for REGULAR)

• bool executable = 4

  Set to true for files that are executable

• bytes inline_data = 5

  For REGULAR and SYMLINK: If size <= small_file_cutoff || type == SYMLINK, full data is here:

• bytes digests = 6

  Otherwise, this is a series of concatenated digests, one per chunk:

• int32 digest_bytes = 7

  Number of bytes per digest (default: 24)

• int32 chunk_shift = 8

  Chunk size = 1 << chunk_shift (default: 16)

• int32 stats_inline_data = 100

  Debug data (only in debug output, not on network or db)

• int32 stats_present_chunks = 101

• int32 stats_present_blocks = 102

• repeated string debug_digests = 103

Used in: Entry

• UNKNOWN = 0

• REGULAR = 1

• DIRECTORY = 2

• SYMLINK = 3

Parameters that have to be agreed on by manifester and daemon.

Used in: DaemonParams, Manifest, SignedMessage

• string digest_algo = 2

  Digest algorithm, e.g. "sha256"

• int32 digest_bits = 3

  Bits of digest used, e.g. 192

• optional GlobalParams params = 1

• repeated Entry entries = 3

• int32 small_file_cutoff = 2

  build parameters

• optional ManifestMeta meta = 10

  Metadata on how this was generated

Used in: Manifest

• string narinfo_url = 1

  meta info for what this manifest was generated from

  url that narinfo was fetched from

• optional NarInfo narinfo = 2

  parsed narinfo (includes references, signatures, etc.)

• string generator = 10

  software version of generator

• int64 generated_time = 11

  timestamp when this was generated (unix seconds)

Used in: DbImage

• Unknown = 0

  initial value

• Requested = 1

  requested but not mounted yet

• Mounted = 2

  mounted

• MountError = 3

  got error mounting

• UnmountRequested = 4

  was mounted then requested unmount

• Unmounted = 5

  unmounted

• Deleted = 6

  deleted (not used now)

• Materialized = 7

  not mounted but copied out to fs

from github.com/nix-community/go-nix pkg/narinfo/types.go

Used in: ManifestMeta

• string store_path = 1

  The full nix store path (/nix/store/…-pname-version)

• string url = 2

  The relative location to the .nar[.xz,…] file. Usually nar/$fileHash.nar[.xz]

• string compression = 3

  The compression method file at URL is compressed with (none,xz,…)

• string file_hash = 4

  The hash of the file at URL (nix string format)

• int64 file_size = 5

  The size of the file at URL, in bytes

• string nar_hash = 6

  The hash of the .nar file, after possible decompression (nix string format) Identical to FileHash if no compression is used.

• int64 nar_size = 7

  The size of the .nar file, after possible decompression, in bytes. Identical to FileSize if no compression is used.

• repeated string references = 8

  References to other store paths, contained in the .nar file

• string deriver = 9

  Path of the .drv for this store path

• string system = 10

  This doesn't seem to be used at all?

• repeated string signatures = 11

  Signatures, if any.

• string ca = 12

• optional GlobalParams params = 1

  Params for hashing/chunking contained data, and also used for signature.

• optional Entry msg = 2

  Single entry representing contained data. Type must be REGULAR. Path should represent message type and context.

• repeated string key_id = 3

  These should be the same length:

• repeated bytes signature = 4