propagate test cache dir in cli integration tests (#634)

src/cli/cli.go

@@ -57,7 +57,7 @@ func CorsoCommand() *cobra.Command {
 func BuildCommandTree(cmd *cobra.Command) {
 	cmd.Flags().BoolP("version", "v", version, "current version info")
 	cmd.PersistentPostRunE = config.InitFunc()
-	config.AddConfigFileFlag(cmd)
+	config.AddConfigFlags(cmd)
 	print.AddOutputFlag(cmd)
 	logger.AddLogLevelFlag(cmd)
 

src/cli/config/config.go

@@ -32,7 +32,7 @@ const (
 var configFilePath string
 
 // adds the persistent flag --config-file to the provided command.
-func AddConfigFileFlag(cmd *cobra.Command) {
+func AddConfigFlags(cmd *cobra.Command) {
 	fs := cmd.PersistentFlags()
 	homeDir, err := os.UserHomeDir()
 	if err != nil {

src/cli/config/storage.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"os"
+	"path/filepath"
 
 	"github.com/pkg/errors"
 	"github.com/spf13/viper"
@@ -80,6 +81,13 @@ func configureStorage(
 	cCfg := storage.CommonConfig{
 		Corso: corso,
 	}
+	// the following is a hack purely for integration testing.
+	// the value is not required, and if empty, kopia will default
+	// to its routine behavior
+	if t, ok := vpr.Get("corso-testing").(bool); t && ok {
+		dir, _ := filepath.Split(vpr.ConfigFileUsed())
+		cCfg.KopiaCfgDir = dir
+	}
 
 	// ensure required properties are present
 	if err := utils.RequireProps(map[string]string{

src/internal/tester/config.go

@@ -143,6 +143,7 @@ func MakeTempTestConfigClone(t *testing.T, overrides map[string]string) (*viper.
 	vpr.AddConfigPath(tDir)
 	vpr.SetConfigType(strings.TrimPrefix(ext, "."))
 	vpr.SetConfigName(strings.TrimSuffix(fName, ext))
+	vpr.Set("corso-testing", true)
 
 	for k, v := range cfg {
 		vpr.Set(k, v)