forked from operator-framework/operator-sdk
/
print_dep.go
99 lines (88 loc) · 2.36 KB
/
print_dep.go
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// Copyright 2019 The Operator-SDK Authors
//
// 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 deps
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"strings"
"text/tabwriter"
"github.com/BurntSushi/toml"
)
func PrintDepGopkgTOML(tmpl string) error {
gopkgData := make(map[string]interface{})
_, err := toml.Decode(tmpl, &gopkgData)
if err != nil {
return err
}
buf := &bytes.Buffer{}
w := tabwriter.NewWriter(buf, 16, 8, 0, '\t', 0)
_, err = w.Write([]byte("NAME\tVERSION\tBRANCH\tREVISION\t\n"))
if err != nil {
return err
}
constraintList, ok := gopkgData["constraint"]
if !ok {
return errors.New("constraints not found")
}
for _, dep := range constraintList.([]map[string]interface{}) {
err = writeDepRow(w, dep)
if err != nil {
return err
}
}
overrideList, ok := gopkgData["override"]
if !ok {
return errors.New("overrides not found")
}
for _, dep := range overrideList.([]map[string]interface{}) {
err = writeDepRow(w, dep)
if err != nil {
return err
}
}
if err := w.Flush(); err != nil {
return err
}
requiredList, ok := gopkgData["required"]
if !ok {
return errors.New("required list not found")
}
pl, err := json.MarshalIndent(requiredList, "", " ")
if err != nil {
return err
}
_, err = buf.Write([]byte(fmt.Sprintf("\nrequired = %v", string(pl))))
if err != nil {
return err
}
fmt.Println(buf.String())
return nil
}
func writeDepRow(w *tabwriter.Writer, dep map[string]interface{}) error {
name := dep["name"].(string)
ver, col := "", 0
if v, ok := dep["version"]; ok {
ver, col = v.(string), 1
} else if v, ok = dep["branch"]; ok {
ver, col = v.(string), 2
} else if v, ok = dep["revision"]; ok {
ver, col = v.(string), 3
} else {
return fmt.Errorf("no version, revision, or branch found for %s", name)
}
_, err := w.Write([]byte(name + strings.Repeat("\t", col) + ver + "\t\n"))
return err
}