mirror of https://github.com/perkeep/perkeep.git
99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
/*
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Copyright 2014 The Camlistore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"os"
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"time"
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"camlistore.org/pkg/blob"
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"camlistore.org/pkg/cmdmain"
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"camlistore.org/pkg/search"
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"go4.org/types"
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"golang.org/x/net/context"
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)
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type desCmd struct {
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server string
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depth int
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at string
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}
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func init() {
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cmdmain.RegisterCommand("describe", func(flags *flag.FlagSet) cmdmain.CommandRunner {
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cmd := new(desCmd)
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flags.StringVar(&cmd.server, "server", "", "Server to query. "+serverFlagHelp)
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flags.StringVar(&cmd.at, "at", "", "Describe at what point in time. RFC3339 only for now. Empty string means current time.")
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flags.IntVar(&cmd.depth, "depth", 1, "Depth to follow in describe request")
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return cmd
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})
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}
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func (c *desCmd) Describe() string {
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return "Ask the search system to describe one or more blobs."
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}
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func (c *desCmd) Usage() {
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fmt.Fprintf(os.Stderr, "Usage: camtool [globalopts] describe [--depth=n] blobref [blobref, blobref...]\n")
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}
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func (c *desCmd) Examples() []string {
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return []string{}
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}
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func (c *desCmd) RunCommand(args []string) error {
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if len(args) == 0 {
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return cmdmain.UsageError("requires blobref")
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}
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var blobs []blob.Ref
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for _, arg := range args {
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br, ok := blob.Parse(arg)
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if !ok {
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return cmdmain.UsageError(fmt.Sprintf("invalid blobref %q", arg))
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}
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blobs = append(blobs, br)
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}
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var at time.Time // TODO: add "2 days ago" "-2d", "-2h", "2013-02-05", etc
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if c.at != "" {
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var err error
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at, err = time.Parse(time.RFC3339, c.at)
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if err != nil {
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return fmt.Errorf("error parsing --at value %q: %v", c.at, err)
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}
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}
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cl := newClient(c.server)
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res, err := cl.Describe(context.Background(), &search.DescribeRequest{
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BlobRefs: blobs,
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Depth: c.depth,
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At: types.Time3339(at),
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})
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if err != nil {
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return err
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}
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resj, err := json.MarshalIndent(res, "", " ")
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if err != nil {
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return err
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}
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resj = append(resj, '\n')
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_, err = os.Stdout.Write(resj)
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return err
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}
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