Make Nix builds work

1 files changed, 76 insertions, 0 deletions

diff --git a/vendor/gopkg.in/ini.v1/data_source.go b/vendor/gopkg.in/ini.v1/data_source.go
new file mode 100644
index 0000000..c3a541f
--- /dev/null
+++ b/vendor/gopkg.in/ini.v1/data_source.go
@@ -0,0 +1,76 @@
+// Copyright 2019 Unknwon
+//
+// Licensed under the Apache License, Version 2.0 (the "License"): you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations
+// under the License.
+
+package ini
+
+import (
+        "bytes"
+        "fmt"
+        "io"
+        "io/ioutil"
+        "os"
+)
+
+var (
+        _ dataSource = (*sourceFile)(nil)
+        _ dataSource = (*sourceData)(nil)
+        _ dataSource = (*sourceReadCloser)(nil)
+)
+
+// dataSource is an interface that returns object which can be read and closed.
+type dataSource interface {
+        ReadCloser() (io.ReadCloser, error)
+}
+
+// sourceFile represents an object that contains content on the local file system.
+type sourceFile struct {
+        name string
+}
+
+func (s sourceFile) ReadCloser() (_ io.ReadCloser, err error) {
+        return os.Open(s.name)
+}
+
+// sourceData represents an object that contains content in memory.
+type sourceData struct {
+        data []byte
+}
+
+func (s *sourceData) ReadCloser() (io.ReadCloser, error) {
+        return ioutil.NopCloser(bytes.NewReader(s.data)), nil
+}
+
+// sourceReadCloser represents an input stream with Close method.
+type sourceReadCloser struct {
+        reader io.ReadCloser
+}
+
+func (s *sourceReadCloser) ReadCloser() (io.ReadCloser, error) {
+        return s.reader, nil
+}
+
+func parseDataSource(source interface{}) (dataSource, error) {
+        switch s := source.(type) {
+        case string:
+                return sourceFile{s}, nil
+        case []byte:
+                return &sourceData{s}, nil
+        case io.ReadCloser:
+                return &sourceReadCloser{s}, nil
+        case io.Reader:
+                return &sourceReadCloser{ioutil.NopCloser(s)}, nil
+        default:
+                return nil, fmt.Errorf("error parsing data source: unknown type %q", s)
+        }
+}