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package packp
import (
"fmt"
"os"
"strings"
"time"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/format/pktline"
"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp/capability"
)
func ExampleUlReqEncoder_Encode() {
// Create an empty UlReq with the contents you want...
ur := NewUploadRequest()
// Add a couple of wants
ur.Wants = append(ur.Wants, plumbing.NewHash("3333333333333333333333333333333333333333"))
ur.Wants = append(ur.Wants, plumbing.NewHash("1111111111111111111111111111111111111111"))
ur.Wants = append(ur.Wants, plumbing.NewHash("2222222222222222222222222222222222222222"))
// And some capabilities you will like the server to use
ur.Capabilities.Add(capability.OFSDelta)
ur.Capabilities.Add(capability.SymRef, "HEAD:/refs/heads/master")
// Add a couple of shallows
ur.Shallows = append(ur.Shallows, plumbing.NewHash("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"))
ur.Shallows = append(ur.Shallows, plumbing.NewHash("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
// And retrict the answer of the server to commits newer than "2015-01-02 03:04:05 UTC"
since := time.Date(2015, time.January, 2, 3, 4, 5, 0, time.UTC)
ur.Depth = DepthSince(since)
// Create a new Encode for the stdout...
e := newUlReqEncoder(os.Stdout)
// ...and encode the upload-request to it.
_ = e.Encode(ur) // ignoring errors for brevity
// Output:
// 005bwant 1111111111111111111111111111111111111111 ofs-delta symref=HEAD:/refs/heads/master
// 0032want 2222222222222222222222222222222222222222
// 0032want 3333333333333333333333333333333333333333
// 0035shallow aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
// 0035shallow bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
// 001cdeepen-since 1420167845
// 0000
}
func ExampleUlReqDecoder_Decode() {
// Here is a raw advertised-ref message.
raw := "" +
"005bwant 1111111111111111111111111111111111111111 ofs-delta symref=HEAD:/refs/heads/master\n" +
"0032want 2222222222222222222222222222222222222222\n" +
"0032want 3333333333333333333333333333333333333333\n" +
"0035shallow aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" +
"0035shallow bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" +
"001cdeepen-since 1420167845\n" + // 2015-01-02 03:04:05 +0000 UTC
pktline.FlushString
// Use the raw message as our input.
input := strings.NewReader(raw)
// Create the Decoder reading from our input.
d := newUlReqDecoder(input)
// Decode the input into a newly allocated UlReq value.
ur := NewUploadRequest()
_ = d.Decode(ur) // error check ignored for brevity
// Do something interesting with the UlReq, e.g. print its contents.
fmt.Println("capabilities =", ur.Capabilities.String())
fmt.Println("wants =", ur.Wants)
fmt.Println("shallows =", ur.Shallows)
switch depth := ur.Depth.(type) {
case DepthCommits:
fmt.Println("depth =", int(depth))
case DepthSince:
fmt.Println("depth =", time.Time(depth))
case DepthReference:
fmt.Println("depth =", string(depth))
}
// Output:
// capabilities = ofs-delta symref=HEAD:/refs/heads/master
// wants = [1111111111111111111111111111111111111111 2222222222222222222222222222222222222222 3333333333333333333333333333333333333333]
// shallows = [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb]
// depth = 2015-01-02 03:04:05 +0000 UTC
}
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