mirror of
https://github.com/mikefarah/yq.git
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60 lines
2.5 KiB
Go
60 lines
2.5 KiB
Go
package cmd
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import (
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"github.com/spf13/cobra"
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)
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func createWriteCmd() *cobra.Command {
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var cmdWrite = &cobra.Command{
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Use: "write [yaml_file] [path_expression] [value]",
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Aliases: []string{"w"},
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Short: "yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml 'b.e(name==fr*).value' newValue",
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Example: `
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yq write things.yaml 'a.b.c' true
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yq write things.yaml 'a.*.c' true
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yq write things.yaml 'a.**' true
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yq write things.yaml 'a.(child.subchild==co*).c' true
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yq write things.yaml 'a.b.c' --tag '!!str' true # force 'true' to be interpreted as a string instead of bool
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yq write things.yaml 'a.b.c' --tag '!!float' 3
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yq write --inplace -- things.yaml 'a.b.c' '--cat' # need to use '--' to stop processing arguments as flags
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yq w -i things.yaml 'a.b.c' cat
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yq w -i -s update_script.yaml things.yaml
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yq w things.yaml 'a.b.d[+]' foo # appends a new node to the 'd' array
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yq w --doc 2 things.yaml 'a.b.d[+]' foo # updates the 3rd document of the yaml file
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`,
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Long: `Updates the yaml file w.r.t the given path and value.
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Outputs to STDOUT unless the inplace flag is used, in which case the file is updated instead.
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Append value to array adds the value to the end of array.
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Update Scripts:
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Note that you can give an update script to perform more sophisticated update. Update script
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format is list of update commands (update or delete) like so:
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---
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- command: update
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path: b.c
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value:
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#great
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things: frog # wow!
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- command: delete
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path: b.d
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`,
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RunE: writeProperty,
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}
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cmdWrite.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace")
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cmdWrite.PersistentFlags().StringVarP(&writeScript, "script", "s", "", "yaml script for updating yaml")
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cmdWrite.PersistentFlags().StringVarP(&sourceYamlFile, "from", "f", "", "yaml file for updating yaml (as-is)")
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cmdWrite.PersistentFlags().StringVarP(&customTag, "tag", "t", "", "set yaml tag (e.g. !!int)")
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cmdWrite.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
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cmdWrite.PersistentFlags().StringVarP(&customStyle, "style", "", "", "formatting style of the value: singleQuoted, doubleQuoted, folded, flow, literal, tagged")
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return cmdWrite
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}
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func writeProperty(cmd *cobra.Command, args []string) error {
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var updateCommands, updateCommandsError = readUpdateCommands(args, 3, "Must provide <filename> <path_to_update> <value>")
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if updateCommandsError != nil {
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return updateCommandsError
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}
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return updateDoc(args[0], updateCommands, cmd.OutOrStdout())
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}
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