mirror of https://github.com/mikefarah/yq.git
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package cmd
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/mikefarah/yq/v4/pkg/yqlib"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
func createEvaluateAllCommand() *cobra.Command {
|
|
var cmdEvalAll = &cobra.Command{
|
|
Use: "eval-all [expression] [yaml_file1]...",
|
|
Aliases: []string{"ea"},
|
|
Short: "Loads _all_ yaml documents of _all_ yaml files and runs expression once",
|
|
Example: `
|
|
yq es '.a.b | length' file1.yml file2.yml
|
|
yq es < sample.yaml
|
|
yq es -n '{"a": "b"}'
|
|
`,
|
|
Long: "Evaluate All:\nUseful when you need to run an expression across several yaml documents or files. Consumes more memory than eval",
|
|
RunE: evaluateAll,
|
|
}
|
|
return cmdEvalAll
|
|
}
|
|
func evaluateAll(cmd *cobra.Command, args []string) error {
|
|
// 0 args, read std in
|
|
// 1 arg, null input, process expression
|
|
// 1 arg, read file in sequence
|
|
// 2+ args, [0] = expression, file the rest
|
|
|
|
var err error
|
|
stat, _ := os.Stdin.Stat()
|
|
pipingStdIn := (stat.Mode() & os.ModeCharDevice) == 0
|
|
|
|
out := cmd.OutOrStdout()
|
|
|
|
fileInfo, _ := os.Stdout.Stat()
|
|
|
|
if forceColor || (!forceNoColor && (fileInfo.Mode()&os.ModeCharDevice) != 0) {
|
|
colorsEnabled = true
|
|
}
|
|
|
|
if writeInplace && len(args) < 2 {
|
|
return fmt.Errorf("Write inplace flag only applicable when giving an expression and at least one file")
|
|
}
|
|
|
|
completedSuccessfully := false
|
|
|
|
if writeInplace {
|
|
writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[1])
|
|
out, err = writeInPlaceHandler.CreateTempFile()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully)
|
|
}
|
|
|
|
printer := yqlib.NewPrinter(out, outputToJSON, unwrapScalar, colorsEnabled, indent, !noDocSeparators)
|
|
|
|
allAtOnceEvaluator := yqlib.NewAllAtOnceEvaluator()
|
|
switch len(args) {
|
|
case 0:
|
|
if pipingStdIn {
|
|
err = allAtOnceEvaluator.EvaluateFiles("", []string{"-"}, printer)
|
|
} else {
|
|
cmd.Println(cmd.UsageString())
|
|
return nil
|
|
}
|
|
case 1:
|
|
if nullInput {
|
|
err = allAtOnceEvaluator.EvaluateFiles(args[0], []string{}, printer)
|
|
} else {
|
|
err = allAtOnceEvaluator.EvaluateFiles("", []string{args[0]}, printer)
|
|
}
|
|
default:
|
|
err = allAtOnceEvaluator.EvaluateFiles(args[0], args[1:], printer)
|
|
}
|
|
|
|
completedSuccessfully = err == nil
|
|
|
|
cmd.SilenceUsage = true
|
|
return err
|
|
}
|