mirror of https://github.com/mikefarah/yq.git
51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package yqlib
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import (
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"container/list"
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"fmt"
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"os"
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"strings"
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yaml "gopkg.in/yaml.v3"
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)
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type envOpPreferences struct {
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StringValue bool
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}
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func envOperator(d *dataTreeNavigator, matchMap *list.List, pathNode *PathTreeNode) (*list.List, error) {
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envName := pathNode.Operation.CandidateNode.Node.Value
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log.Debug("EnvOperator, env name:", envName)
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rawValue := os.Getenv(envName)
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preferences := pathNode.Operation.Preferences.(*envOpPreferences)
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var node *yaml.Node
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if preferences.StringValue {
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node = &yaml.Node{
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Kind: yaml.ScalarNode,
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Tag: "!!str",
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Value: rawValue,
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}
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} else if rawValue == "" {
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return nil, fmt.Errorf("Value for env variable '%v' not provided in env()", envName)
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} else {
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var dataBucket yaml.Node
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decoder := yaml.NewDecoder(strings.NewReader(rawValue))
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errorReading := decoder.Decode(&dataBucket)
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if errorReading != nil {
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return nil, errorReading
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}
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//first node is a doc
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node = UnwrapDoc(&dataBucket)
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}
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log.Debug("ENV tag", node.Tag)
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log.Debug("ENV value", node.Value)
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log.Debug("ENV Kind", node.Kind)
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target := &CandidateNode{Node: node}
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return nodeToMap(target), nil
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}
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