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parse-cargo-lock.go
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parse-cargo-lock.go
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package lockfile
import (
"fmt"
"path/filepath"
"github.com/BurntSushi/toml"
)
type CargoLockPackage struct {
Name string `toml:"name"`
Version string `toml:"version"`
}
type CargoLockFile struct {
Version int `toml:"version"`
Packages []CargoLockPackage `toml:"package"`
}
const CargoEcosystem Ecosystem = "crates.io"
type CargoLockExtractor struct{}
func (e CargoLockExtractor) ShouldExtract(path string) bool {
return filepath.Base(path) == "Cargo.lock"
}
func (e CargoLockExtractor) Extract(f DepFile) ([]PackageDetails, error) {
var parsedLockfile *CargoLockFile
_, err := toml.NewDecoder(f).Decode(&parsedLockfile)
if err != nil {
return []PackageDetails{}, fmt.Errorf("could not extract from %s: %w", f.Path(), err)
}
packages := make([]PackageDetails, 0, len(parsedLockfile.Packages))
for _, lockPackage := range parsedLockfile.Packages {
packages = append(packages, PackageDetails{
Name: lockPackage.Name,
Version: lockPackage.Version,
Ecosystem: CargoEcosystem,
CompareAs: CargoEcosystem,
})
}
return packages, nil
}
var _ Extractor = CargoLockExtractor{}
//nolint:gochecknoinits
func init() {
registerExtractor("Cargo.lock", CargoLockExtractor{})
}
func ParseCargoLock(pathToLockfile string) ([]PackageDetails, error) {
return extractFromFile(pathToLockfile, CargoLockExtractor{})
}