Add a "deploy" command

deploy/deployConfig.go

@@ -0,0 +1,88 @@
+// Copyright 2019 The Hugo Authors. All rights reserved.
+//
+// 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 deploy
+
+import (
+	"fmt"
+	"regexp"
+
+	"github.com/gohugoio/hugo/config"
+	"github.com/mitchellh/mapstructure"
+)
+
+const deploymentConfigKey = "deployment"
+
+// deployConfig is the complete configuration for deployment.
+type deployConfig struct {
+	Targets  []*target
+	Matchers []*matcher
+}
+
+type target struct {
+	Name string
+	URL  string
+}
+
+// matcher represents configuration to be applied to files whose paths match
+// a specified pattern.
+type matcher struct {
+	// Pattern is the string pattern to match against paths.
+	Pattern string
+
+	// CacheControl specifies caching attributes to use when serving the blob.
+	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
+	CacheControl string `mapstructure:"Cache-Control"`
+
+	// ContentEncoding specifies the encoding used for the blob's content, if any.
+	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Encoding
+	ContentEncoding string `mapstructure:"Content-Encoding"`
+
+	// ContentType specifies the MIME type of the blob being written.
+	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Type
+	ContentType string `mapstructure:"Content-Type"`
+
+	// Gzip determines whether the file should be gzipped before upload.
+	// If so, the ContentEncoding field will automatically be set to "gzip".
+	Gzip bool
+
+	// Force indicates that matching files should be re-uploaded. Useful when
+	// other route-determined metadata (e.g., ContentType) has changed.
+	Force bool
+
+	// re is Pattern compiled.
+	re *regexp.Regexp
+}
+
+func (m *matcher) Matches(path string) bool {
+	return m.re.MatchString(path)
+}
+
+// decode creates a config from a given Hugo configuration.
+func decodeConfig(cfg config.Provider) (deployConfig, error) {
+	var dcfg deployConfig
+	if !cfg.IsSet(deploymentConfigKey) {
+		return dcfg, nil
+	}
+	if err := mapstructure.WeakDecode(cfg.GetStringMap(deploymentConfigKey), &dcfg); err != nil {
+		return dcfg, err
+	}
+	var err error
+	for _, m := range dcfg.Matchers {
+		m.re, err = regexp.Compile(m.Pattern)
+		if err != nil {
+			return dcfg, fmt.Errorf("invalid deployment.matchers.pattern: %v", err)
+		}
+	}
+	return dcfg, nil
+}