feat: Spring Boot config files in repos (#79)

Co-authored-by: Karl-Einar Bergstrøm <karl-einarb@outlook.com>

internal/config/config.go

@@ -15,6 +15,7 @@ import (
 	"go.yaml.in/yaml/v3"
 
 	"git.kebcloud.no/keb/lazysecrets/internal/commands"
+	"git.kebcloud.no/keb/lazysecrets/internal/provider/repo"
 	"git.kebcloud.no/keb/lazysecrets/internal/share"
 	"git.kebcloud.no/keb/lazysecrets/internal/update"
 )
@@ -153,6 +154,8 @@ type Repos struct {
 	// a repo's .sops.yaml creation_rules say where to look.
 	Include []string `yaml:"include"`
 	Exclude []string `yaml:"exclude"`
+	// Spring says which keys of Spring Boot config files are secrets.
+	Spring repo.SpringPatterns `yaml:"spring"`
 }
 
 type Azure struct {
@@ -292,6 +295,9 @@ func (c Config) validate(path string) error {
 			return fmt.Errorf("%s: %s: %s is negative", path, name, d)
 		}
 	}
+	if err := c.Providers.Repos.Spring.Check(); err != nil {
+		return fmt.Errorf("%s: providers.repos.%w", path, err)
+	}
 	for i, v := range c.Providers.Azure.Vaults {
 		if !strings.HasPrefix(v, "https://") {
 			return fmt.Errorf("%s: providers.azure.vaults[%d]: %q is not an https:// vault URL", path, i, v)