39 lines
842 B
Go
39 lines
842 B
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/containers/storage"
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"github.com/containers/storage/pkg/mflag"
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)
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func version(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
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version, err := m.Version()
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if err != nil {
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fmt.Fprintf(os.Stderr, "version: %+v\n", err)
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return 1
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}
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if jsonOutput {
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json.NewEncoder(os.Stdout).Encode(version)
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} else {
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for _, pair := range version {
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fmt.Fprintf(os.Stderr, "%s: %s\n", pair[0], pair[1])
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}
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}
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return 0
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}
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func init() {
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commands = append(commands, command{
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names: []string{"version"},
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usage: "Return containers-storage version information",
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minArgs: 0,
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action: version,
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addFlags: func(flags *mflag.FlagSet, cmd *command) {
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flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
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},
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})
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}
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