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package main
import (
"fmt"
"os"
"github.com/containers/storage"
"github.com/containers/storage/pkg/mflag"
)
func gc(flags *mflag.FlagSet, action string, m storage.Store, args []string) (int, error) {
defer func() {
if _, err := m.Shutdown(true); err != nil {
fmt.Fprintf(os.Stderr, "shutdown: %v\n", err)
}
}()
if err := m.GarbageCollect(); err != nil {
return 1, err
}
if jsonOutput {
return outputJSON(string(""))
}
return 0, nil
}
func init() {
commands = append(commands, command{
names: []string{"gc"},
usage: "Perform garbage collection",
minArgs: 0,
maxArgs: 0,
action: gc,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
}
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