mirror of
https://github.com/mikefarah/yq.git
synced 2024-12-19 20:19:04 +00:00
98 lines
4.7 KiB
Go
98 lines
4.7 KiB
Go
package cmd
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import (
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"os"
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"github.com/mikefarah/yq/v4/pkg/yqlib"
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"github.com/spf13/cobra"
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logging "gopkg.in/op/go-logging.v1"
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)
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func New() *cobra.Command {
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var rootCmd = &cobra.Command{
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Use: "yq",
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Short: "yq is a lightweight and portable command-line YAML processor.",
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Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/)
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See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.`,
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Example: `
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# yq defaults to 'eval' command if no command is specified. See "yq eval --help" for more examples.
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# read the "stuff" node from "myfile.yml"
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cat myfile.yml | yq '.stuff'
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# update myfile.yml in place
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yq -i '.stuff = "foo"' myfile.yml # update myfile.yml inplace
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`,
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RunE: func(cmd *cobra.Command, args []string) error {
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if version {
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cmd.Print(GetVersionDisplay())
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return nil
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}
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return evaluateSequence(cmd, args)
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},
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PersistentPreRun: func(cmd *cobra.Command, args []string) {
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cmd.SetOut(cmd.OutOrStdout())
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var format = logging.MustStringFormatter(
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`%{color}%{time:15:04:05} %{shortfunc} [%{level:.4s}]%{color:reset} %{message}`,
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)
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var backend = logging.AddModuleLevel(
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logging.NewBackendFormatter(logging.NewLogBackend(os.Stderr, "", 0), format))
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if verbose {
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backend.SetLevel(logging.DEBUG, "")
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} else {
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backend.SetLevel(logging.ERROR, "")
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}
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logging.SetBackend(backend)
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yqlib.InitExpressionParser()
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yqlib.XMLPreferences.AttributePrefix = xmlAttributePrefix
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yqlib.XMLPreferences.ContentName = xmlContentName
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},
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}
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rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose mode")
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rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "(deprecated) output as json. Set indent to 0 to print json in one line.")
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err := rootCmd.PersistentFlags().MarkDeprecated("tojson", "please use -o=json instead")
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if err != nil {
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panic(err)
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}
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rootCmd.PersistentFlags().StringVarP(&outputFormat, "output-format", "o", "yaml", "[yaml|y|json|j|props|p|xml|x] output format type.")
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rootCmd.PersistentFlags().StringVarP(&inputFormat, "input-format", "p", "yaml", "[yaml|y|props|p|xml|x] parse format for input. Note that json is a subset of yaml.")
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rootCmd.PersistentFlags().StringVar(&xmlAttributePrefix, "xml-attribute-prefix", "+", "prefix for xml attributes")
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rootCmd.PersistentFlags().StringVar(&xmlContentName, "xml-content-name", "+content", "name for xml content (if no attribute name is present).")
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rootCmd.PersistentFlags().BoolVarP(&nullInput, "null-input", "n", false, "Don't read input, simply evaluate the expression given. Useful for creating docs from scratch.")
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rootCmd.PersistentFlags().BoolVarP(&noDocSeparators, "no-doc", "N", false, "Don't print document separators (---)")
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rootCmd.PersistentFlags().IntVarP(&indent, "indent", "I", 2, "sets indent level for output")
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rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
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rootCmd.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the file inplace of first file given.")
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rootCmd.PersistentFlags().BoolVarP(&unwrapScalar, "unwrapScalar", "", true, "unwrap scalar, print the value with no quotes, colors or comments")
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rootCmd.PersistentFlags().BoolVarP(&prettyPrint, "prettyPrint", "P", false, "pretty print, shorthand for '... style = \"\"'")
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rootCmd.PersistentFlags().BoolVarP(&exitStatus, "exit-status", "e", false, "set exit status if there are no matches or null or false is returned")
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rootCmd.PersistentFlags().BoolVarP(&forceColor, "colors", "C", false, "force print with colors")
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rootCmd.PersistentFlags().BoolVarP(&forceNoColor, "no-colors", "M", false, "force print with no colors")
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rootCmd.PersistentFlags().StringVarP(&frontMatter, "front-matter", "f", "", "(extract|process) first input as yaml front-matter. Extract will pull out the yaml content, process will run the expression against the yaml content, leaving the remaining data intact")
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rootCmd.PersistentFlags().StringVarP(&forceExpression, "expression", "", "", "forcibly set the expression argument. Useful when yq argument detection thinks your expression is a file.")
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rootCmd.PersistentFlags().BoolVarP(&leadingContentPreProcessing, "header-preprocess", "", true, "Slurp any header comments and separators before processing expression.")
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rootCmd.PersistentFlags().StringVarP(&splitFileExp, "split-exp", "s", "", "print each result (or doc) into a file named (exp). [exp] argument must return a string. You can use $index in the expression as the result counter.")
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rootCmd.PersistentFlags().StringVarP(&expressionFile, "from-file", "", "", "Load expression from specified file.")
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rootCmd.AddCommand(
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createEvaluateSequenceCommand(),
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createEvaluateAllCommand(),
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completionCmd,
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)
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return rootCmd
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}
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