add file source digest support (#1914)

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

internal/config/application.go

@@ -61,8 +61,7 @@ type Application struct {
 	Exclusions             []string           `yaml:"exclude" json:"exclude" mapstructure:"exclude"`
 	Platform               string             `yaml:"platform" json:"platform" mapstructure:"platform"`
 	Name                   string             `yaml:"name" json:"name" mapstructure:"name"`
-	SourceName             string             `yaml:"source-name" json:"source-name" mapstructure:"source-name"`
-	SourceVersion          string             `yaml:"source-version" json:"source-version" mapstructure:"source-version"`
+	Source                 sourceCfg          `yaml:"source" json:"source" mapstructure:"source"`
 	Parallelism            int                `yaml:"parallelism" json:"parallelism" mapstructure:"parallelism"`                                           // the number of catalog workers to run in parallel
 	DefaultImagePullSource string             `yaml:"default-image-pull-source" json:"default-image-pull-source" mapstructure:"default-image-pull-source"` // specify default image pull source
 }
@@ -147,8 +146,8 @@ func (cfg *Application) parseConfigValues() error {
 
 	if cfg.Name != "" {
 		log.Warnf("name parameter is deprecated. please use: source-name. name will be removed in a future version")
-		if cfg.SourceName == "" {
-			cfg.SourceName = cfg.Name
+		if cfg.Source.Name == "" {
+			cfg.Source.Name = cfg.Name
 		}
 	}
 

internal/config/source.go

@@ -0,0 +1,17 @@
+package config
+
+import "github.com/spf13/viper"
+
+type sourceCfg struct {
+	Name    string     `json:"name" yaml:"name" mapstructure:"name"`
+	Version string     `json:"version" yaml:"version" mapstructure:"version"`
+	File    fileSource `json:"file" yaml:"file" mapstructure:"file"`
+}
+
+type fileSource struct {
+	Digests []string `json:"digests" yaml:"digests" mapstructure:"digests"`
+}
+
+func (cfg sourceCfg) loadDefaultValues(v *viper.Viper) {
+	v.SetDefault("source.file.digests", []string{"sha256"})
+}