[DT-3777] error loading a local config file (#187)

README.md

@@ -369,3 +369,9 @@ Builds are automatically launched on tagging.
 
 Tags with the format image-0.0.0 automatically launch a Docker images build that are available through Docker Hub.
 Tags with the format v0.0.0 automatically launch a new release on Github for the TGF executable.
+
+Tests that involve docker builds are not compatible with docker buildkit.  Run them with:
+
+```bash
+DOCKER_BUILDKIT=0 go test ./...
+```

config.go

@@ -524,7 +524,7 @@ func (config *TGFConfig) findRemoteConfigFiles(location, files string) []string
 		log.Debugln("Reading configuration from", fullConfigPath)
 		source := must(getter.Detect(fullConfigPath, must(os.Getwd()).(string), getter.Detectors)).(string)
 
-		err := getter.Get(destConfigPath, source)
+		err := getter.GetFile(destConfigPath, source)
 		if err == nil {
 			_, err = os.Stat(destConfigPath)
 			if os.IsNotExist(err) {