aptly/cmd/snapshot_list.go

105 lines
2.4 KiB
Go

package cmd
import (
"encoding/json"
"fmt"
"github.com/aptly-dev/aptly/deb"
"github.com/smira/commander"
)
func aptlySnapshotList(cmd *commander.Command, args []string) error {
if len(args) != 0 {
cmd.Usage()
return commander.ErrCommandError
}
jsonFlag := cmd.Flag.Lookup("json").Value.Get().(bool)
if jsonFlag {
return aptlySnapshotListJSON(cmd, args)
}
return aptlySnapshotListTxt(cmd, args)
}
func aptlySnapshotListTxt(cmd *commander.Command, _ []string) error {
var err error
raw := cmd.Flag.Lookup("raw").Value.Get().(bool)
sortMethodString := cmd.Flag.Lookup("sort").Value.Get().(string)
collectionFactory := context.NewCollectionFactory()
collection := collectionFactory.SnapshotCollection()
if raw {
collection.ForEachSorted(sortMethodString, func(snapshot *deb.Snapshot) error {
fmt.Printf("%s\n", snapshot.Name)
return nil
})
} else {
if collection.Len() > 0 {
fmt.Printf("List of snapshots:\n")
err = collection.ForEachSorted(sortMethodString, func(snapshot *deb.Snapshot) error {
fmt.Printf(" * %s\n", snapshot.String())
return nil
})
if err != nil {
return err
}
fmt.Printf("\nTo get more information about snapshot, run `aptly snapshot show <name>`.\n")
} else {
fmt.Printf("\nNo snapshots found, create one with `aptly snapshot create...`.\n")
}
}
return err
}
func aptlySnapshotListJSON(cmd *commander.Command, _ []string) error {
var err error
sortMethodString := cmd.Flag.Lookup("sort").Value.Get().(string)
collection := context.NewCollectionFactory().SnapshotCollection()
jsonSnapshots := make([]*deb.Snapshot, collection.Len())
i := 0
collection.ForEachSorted(sortMethodString, func(snapshot *deb.Snapshot) error {
jsonSnapshots[i] = snapshot
i++
return nil
})
if output, e := json.MarshalIndent(jsonSnapshots, "", " "); e == nil {
fmt.Println(string(output))
} else {
err = e
}
return err
}
func makeCmdSnapshotList() *commander.Command {
cmd := &commander.Command{
Run: aptlySnapshotList,
UsageLine: "list",
Short: "list snapshots",
Long: `
Command list shows full list of snapshots created.
Example:
$ aptly snapshot list
`,
}
cmd.Flag.Bool("json", false, "display list in JSON format")
cmd.Flag.Bool("raw", false, "display list in machine-readable format")
cmd.Flag.String("sort", "name", "display list in 'name' or creation 'time' order")
return cmd
}