Remove MetadataType from core package object and normalize JSON metadataType values (#1983)

* [wip]

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* distinct the package metadata functions

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* remove metadata type from package core model

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* incorporate review feedback for names

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add RPM archive metadata and split parser helpers

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* clarify the python package metadata type

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* rename the KB metadata type

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* break hackage and composer types by use case

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* linting fix

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix encoding and decoding for syft-json and cyclonedx

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* bump json schema to 11

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update cyclonedx-json snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update cyclonedx-xml snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update spdx-json snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update spdx-tv snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update syft-json snapshots

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* correct metadata type in stack yaml parser test

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix bom-ref redactor for cyclonedx-xml

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add tests for legacy package metadata names

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* regenerate json schema v11

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix legacy HackageMetadataType reflect type value check

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix linting

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* packagemetadata discovery should account for type shadowing

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix linting

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix cli tests

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* bump json schema version to v12

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update json schema to incorporate changes from main

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add syft-json legacy config option

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add tests around v11-v12 json decoding

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add docs for SYFT_JSON_LEGACY

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* rename structs to be compliant with new naming scheme

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

---------

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

syft/pkg/nix.go

@@ -0,0 +1,25 @@
+package pkg
+
+import (
+	"sort"
+
+	"github.com/scylladb/go-set/strset"
+)
+
+type NixStoreEntry struct {
+	// OutputHash is the prefix of the nix store basename path
+	OutputHash string `mapstructure:"outputHash" json:"outputHash"`
+
+	// Output allows for optionally specifying the specific nix package output this package represents (for packages that support multiple outputs).
+	// Note: the default output for a package is an empty string, so will not be present in the output.
+	Output string `mapstructure:"output" json:"output,omitempty"`
+
+	// Files is a listing a files that are under the nix/store path for this package
+	Files []string `mapstructure:"files" json:"files"`
+}
+
+func (m NixStoreEntry) OwnedFiles() (result []string) {
+	result = strset.New(m.Files...).List()
+	sort.Strings(result)
+	return
+}