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mcuadrosmcuadros
authored
Merge pull request #1142 from EmrysMyrddin/feature/export-new-remote
git : allows to create a Remote without a Repository
2 parents a35ce6e + b4fba7e commit f9a3019

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4 files changed

+82
-37
lines changed

4 files changed

+82
-37
lines changed

‎_examples/ls-remote/main.go‎

Lines changed: 42 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,42 @@
1+
package main
2+
3+
import (
4+
"log"
5+
6+
"gopkg.in/src-d/go-git.v4"
7+
"gopkg.in/src-d/go-git.v4/config"
8+
"gopkg.in/src-d/go-git.v4/storage/memory"
9+
)
10+
11+
// Retrieve remote tags without cloning repository
12+
func main() {
13+
14+
// Create the remote with repository URL
15+
rem := git.NewRemote(memory.NewStorage(), &config.RemoteConfig{
16+
Name: "origin",
17+
URLs: []string{"https://github.com/Zenika/MARCEL"},
18+
})
19+
20+
log.Print("Fetching tags...")
21+
22+
// We can then use every Remote functions to retrieve wanted informations
23+
refs, err := rem.List(&git.ListOptions{})
24+
if err != nil {
25+
log.Fatal(err)
26+
}
27+
28+
// Filters the references list and only keeps tags
29+
var tags []string
30+
for _, ref := range refs {
31+
if ref.Name().IsTag() {
32+
tags = append(tags, ref.Name().Short())
33+
}
34+
}
35+
36+
if len(tags) == 0 {
37+
log.Println("No tags!")
38+
return
39+
}
40+
41+
log.Printf("Tags found: %v", tags)
42+
}

‎remote.go‎

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -45,7 +45,10 @@ type Remote struct {
4545
s storage.Storer
4646
}
4747

48-
func newRemote(s storage.Storer, c *config.RemoteConfig) *Remote {
48+
// NewRemote creates a new Remote.
49+
// The intended purpose is to use the Remote for tasks such as listing remote references (like using git ls-remote).
50+
// Otherwise Remotes should be created via the use of a Repository.
51+
func NewRemote(s storage.Storer, c *config.RemoteConfig) *Remote {
4952
return &Remote{s: s, c: c}
5053
}
5154

‎remote_test.go‎

Lines changed: 32 additions & 32 deletions
Original file line numberDiff line numberDiff line change
@@ -31,32 +31,32 @@ type RemoteSuite struct {
3131
var _ = Suite(&RemoteSuite{})
3232

3333
func (s *RemoteSuite) TestFetchInvalidEndpoint(c *C) {
34-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"http://\\"}})
34+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"http://\\"}})
3535
err := r.Fetch(&FetchOptions{RemoteName: "foo"})
3636
c.Assert(err, ErrorMatches, ".*invalid character.*")
3737
}
3838

3939
func (s *RemoteSuite) TestFetchNonExistentEndpoint(c *C) {
40-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"ssh://non-existent/foo.git"}})
40+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"ssh://non-existent/foo.git"}})
4141
err := r.Fetch(&FetchOptions{})
4242
c.Assert(err, NotNil)
4343
}
4444

4545
func (s *RemoteSuite) TestFetchInvalidSchemaEndpoint(c *C) {
46-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"qux://foo"}})
46+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"qux://foo"}})
4747
err := r.Fetch(&FetchOptions{})
4848
c.Assert(err, ErrorMatches, ".*unsupported scheme.*")
4949
}
5050

5151
func (s *RemoteSuite) TestFetchInvalidFetchOptions(c *C) {
52-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"qux://foo"}})
52+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"qux://foo"}})
5353
invalid := config.RefSpec("^*$ñ")
5454
err := r.Fetch(&FetchOptions{RefSpecs: []config.RefSpec{invalid}})
5555
c.Assert(err, Equals, config.ErrRefSpecMalformedSeparator)
5656
}
5757

5858
func (s *RemoteSuite) TestFetchWildcard(c *C) {
59-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
59+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
6060
URLs: []string{s.GetBasicLocalRepositoryURL()},
6161
})
6262

@@ -72,7 +72,7 @@ func (s *RemoteSuite) TestFetchWildcard(c *C) {
7272
}
7373

7474
func (s *RemoteSuite) TestFetchWildcardTags(c *C) {
75-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
75+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
7676
URLs: []string{s.GetLocalRepositoryURL(fixtures.ByTag("tags").One())},
7777
})
7878

@@ -91,7 +91,7 @@ func (s *RemoteSuite) TestFetchWildcardTags(c *C) {
9191
}
9292

9393
func (s *RemoteSuite) TestFetch(c *C) {
94-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
94+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
9595
URLs: []string{s.GetLocalRepositoryURL(fixtures.ByTag("tags").One())},
9696
})
9797

@@ -105,7 +105,7 @@ func (s *RemoteSuite) TestFetch(c *C) {
105105
}
106106

107107
func (s *RemoteSuite) TestFetchNonExistantReference(c *C) {
108-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
108+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
109109
URLs: []string{s.GetLocalRepositoryURL(fixtures.ByTag("tags").One())},
110110
})
111111

@@ -119,7 +119,7 @@ func (s *RemoteSuite) TestFetchNonExistantReference(c *C) {
119119
}
120120

121121
func (s *RemoteSuite) TestFetchContext(c *C) {
122-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
122+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
123123
URLs: []string{s.GetLocalRepositoryURL(fixtures.ByTag("tags").One())},
124124
})
125125

@@ -135,7 +135,7 @@ func (s *RemoteSuite) TestFetchContext(c *C) {
135135
}
136136

137137
func (s *RemoteSuite) TestFetchWithAllTags(c *C) {
138-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
138+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
139139
URLs: []string{s.GetLocalRepositoryURL(fixtures.ByTag("tags").One())},
140140
})
141141

@@ -155,7 +155,7 @@ func (s *RemoteSuite) TestFetchWithAllTags(c *C) {
155155
}
156156

157157
func (s *RemoteSuite) TestFetchWithNoTags(c *C) {
158-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
158+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
159159
URLs: []string{s.GetLocalRepositoryURL(fixtures.ByTag("tags").One())},
160160
})
161161

@@ -171,7 +171,7 @@ func (s *RemoteSuite) TestFetchWithNoTags(c *C) {
171171
}
172172

173173
func (s *RemoteSuite) TestFetchWithDepth(c *C) {
174-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
174+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
175175
URLs: []string{s.GetBasicLocalRepositoryURL()},
176176
})
177177

@@ -212,7 +212,7 @@ func (s *RemoteSuite) TestFetchWithProgress(c *C) {
212212
sto := memory.NewStorage()
213213
buf := bytes.NewBuffer(nil)
214214

215-
r := newRemote(sto, &config.RemoteConfig{Name: "foo", URLs: []string{url}})
215+
r := NewRemote(sto, &config.RemoteConfig{Name: "foo", URLs: []string{url}})
216216

217217
refspec := config.RefSpec("+refs/heads/*:refs/remotes/origin/*")
218218
err := r.Fetch(&FetchOptions{
@@ -248,7 +248,7 @@ func (s *RemoteSuite) TestFetchWithPackfileWriter(c *C) {
248248
mock := &mockPackfileWriter{Storer: fss}
249249

250250
url := s.GetBasicLocalRepositoryURL()
251-
r := newRemote(mock, &config.RemoteConfig{Name: "foo", URLs: []string{url}})
251+
r := NewRemote(mock, &config.RemoteConfig{Name: "foo", URLs: []string{url}})
252252

253253
refspec := config.RefSpec("+refs/heads/*:refs/remotes/origin/*")
254254
err = r.Fetch(&FetchOptions{
@@ -276,7 +276,7 @@ func (s *RemoteSuite) TestFetchNoErrAlreadyUpToDate(c *C) {
276276
}
277277

278278
func (s *RemoteSuite) TestFetchNoErrAlreadyUpToDateButStillUpdateLocalRemoteRefs(c *C) {
279-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{
279+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{
280280
URLs: []string{s.GetBasicLocalRepositoryURL()},
281281
})
282282

@@ -313,7 +313,7 @@ func (s *RemoteSuite) TestFetchNoErrAlreadyUpToDateWithNonCommitObjects(c *C) {
313313
}
314314

315315
func (s *RemoteSuite) doTestFetchNoErrAlreadyUpToDate(c *C, url string) {
316-
r := newRemote(memory.NewStorage(), &config.RemoteConfig{URLs: []string{url}})
316+
r := NewRemote(memory.NewStorage(), &config.RemoteConfig{URLs: []string{url}})
317317

318318
o := &FetchOptions{
319319
RefSpecs: []config.RefSpec{
@@ -328,7 +328,7 @@ func (s *RemoteSuite) doTestFetchNoErrAlreadyUpToDate(c *C, url string) {
328328
}
329329

330330
func (s *RemoteSuite) testFetchFastForward(c *C, sto storage.Storer) {
331-
r := newRemote(sto, &config.RemoteConfig{
331+
r := NewRemote(sto, &config.RemoteConfig{
332332
URLs: []string{s.GetBasicLocalRepositoryURL()},
333333
})
334334

@@ -386,7 +386,7 @@ func (s *RemoteSuite) TestFetchFastForwardFS(c *C) {
386386
}
387387

388388
func (s *RemoteSuite) TestString(c *C) {
389-
r := newRemote(nil, &config.RemoteConfig{
389+
r := NewRemote(nil, &config.RemoteConfig{
390390
Name: "foo",
391391
URLs: []string{"https://github.com/git-fixtures/basic.git"},
392392
})
@@ -405,7 +405,7 @@ func (s *RemoteSuite) TestPushToEmptyRepository(c *C) {
405405
srcFs := fixtures.Basic().One().DotGit()
406406
sto := filesystem.NewStorage(srcFs, cache.NewObjectLRUDefault())
407407

408-
r := newRemote(sto, &config.RemoteConfig{
408+
r := NewRemote(sto, &config.RemoteConfig{
409409
Name: DefaultRemoteName,
410410
URLs: []string{url},
411411
})
@@ -442,7 +442,7 @@ func (s *RemoteSuite) TestPushContext(c *C) {
442442
fs := fixtures.ByURL("https://github.com/git-fixtures/tags.git").One().DotGit()
443443
sto := filesystem.NewStorage(fs, cache.NewObjectLRUDefault())
444444

445-
r := newRemote(sto, &config.RemoteConfig{
445+
r := NewRemote(sto, &config.RemoteConfig{
446446
Name: DefaultRemoteName,
447447
URLs: []string{url},
448448
})
@@ -471,7 +471,7 @@ func (s *RemoteSuite) TestPushTags(c *C) {
471471
fs := fixtures.ByURL("https://github.com/git-fixtures/tags.git").One().DotGit()
472472
sto := filesystem.NewStorage(fs, cache.NewObjectLRUDefault())
473473

474-
r := newRemote(sto, &config.RemoteConfig{
474+
r := NewRemote(sto, &config.RemoteConfig{
475475
Name: DefaultRemoteName,
476476
URLs: []string{url},
477477
})
@@ -494,7 +494,7 @@ func (s *RemoteSuite) TestPushNoErrAlreadyUpToDate(c *C) {
494494
fs := fixtures.Basic().One().DotGit()
495495
sto := filesystem.NewStorage(fs, cache.NewObjectLRUDefault())
496496

497-
r := newRemote(sto, &config.RemoteConfig{
497+
r := NewRemote(sto, &config.RemoteConfig{
498498
Name: DefaultRemoteName,
499499
URLs: []string{fs.Root()},
500500
})
@@ -564,7 +564,7 @@ func (s *RemoteSuite) TestPushForce(c *C) {
564564
dstSto := filesystem.NewStorage(dstFs, cache.NewObjectLRUDefault())
565565

566566
url := dstFs.Root()
567-
r := newRemote(sto, &config.RemoteConfig{
567+
r := NewRemote(sto, &config.RemoteConfig{
568568
Name: DefaultRemoteName,
569569
URLs: []string{url},
570570
})
@@ -654,32 +654,32 @@ func (s *RemoteSuite) TestPushNewReferenceAndDeleteInBatch(c *C) {
654654
}
655655

656656
func (s *RemoteSuite) TestPushInvalidEndpoint(c *C) {
657-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"http://\\"}})
657+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"http://\\"}})
658658
err := r.Push(&PushOptions{RemoteName: "foo"})
659659
c.Assert(err, ErrorMatches, ".*invalid character.*")
660660
}
661661

662662
func (s *RemoteSuite) TestPushNonExistentEndpoint(c *C) {
663-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"ssh://non-existent/foo.git"}})
663+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"ssh://non-existent/foo.git"}})
664664
err := r.Push(&PushOptions{})
665665
c.Assert(err, NotNil)
666666
}
667667

668668
func (s *RemoteSuite) TestPushInvalidSchemaEndpoint(c *C) {
669-
r := newRemote(nil, &config.RemoteConfig{Name: "origin", URLs: []string{"qux://foo"}})
669+
r := NewRemote(nil, &config.RemoteConfig{Name: "origin", URLs: []string{"qux://foo"}})
670670
err := r.Push(&PushOptions{})
671671
c.Assert(err, ErrorMatches, ".*unsupported scheme.*")
672672
}
673673

674674
func (s *RemoteSuite) TestPushInvalidFetchOptions(c *C) {
675-
r := newRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"qux://foo"}})
675+
r := NewRemote(nil, &config.RemoteConfig{Name: "foo", URLs: []string{"qux://foo"}})
676676
invalid := config.RefSpec("^*$ñ")
677677
err := r.Push(&PushOptions{RefSpecs: []config.RefSpec{invalid}})
678678
c.Assert(err, Equals, config.ErrRefSpecMalformedSeparator)
679679
}
680680

681681
func (s *RemoteSuite) TestPushInvalidRefSpec(c *C) {
682-
r := newRemote(nil, &config.RemoteConfig{
682+
r := NewRemote(nil, &config.RemoteConfig{
683683
Name: DefaultRemoteName,
684684
URLs: []string{"some-url"},
685685
})
@@ -692,7 +692,7 @@ func (s *RemoteSuite) TestPushInvalidRefSpec(c *C) {
692692
}
693693

694694
func (s *RemoteSuite) TestPushWrongRemoteName(c *C) {
695-
r := newRemote(nil, &config.RemoteConfig{
695+
r := NewRemote(nil, &config.RemoteConfig{
696696
Name: DefaultRemoteName,
697697
URLs: []string{"some-url"},
698698
})
@@ -729,7 +729,7 @@ func (s *RemoteSuite) TestGetHaves(c *C) {
729729

730730
func (s *RemoteSuite) TestList(c *C) {
731731
repo := fixtures.Basic().One()
732-
remote := newRemote(memory.NewStorage(), &config.RemoteConfig{
732+
remote := NewRemote(memory.NewStorage(), &config.RemoteConfig{
733733
Name: DefaultRemoteName,
734734
URLs: []string{repo.URL},
735735
})
@@ -784,7 +784,7 @@ func (s *RemoteSuite) TestUpdateShallows(c *C) {
784784
{nil, hashes[0:6]},
785785
}
786786

787-
remote := newRemote(memory.NewStorage(), &config.RemoteConfig{
787+
remote := NewRemote(memory.NewStorage(), &config.RemoteConfig{
788788
Name: DefaultRemoteName,
789789
})
790790

@@ -817,7 +817,7 @@ func (s *RemoteSuite) TestUseRefDeltas(c *C) {
817817
fs := fixtures.ByURL("https://github.com/git-fixtures/tags.git").One().DotGit()
818818
sto := filesystem.NewStorage(fs, cache.NewObjectLRUDefault())
819819

820-
r := newRemote(sto, &config.RemoteConfig{
820+
r := NewRemote(sto, &config.RemoteConfig{
821821
Name: DefaultRemoteName,
822822
URLs: []string{url},
823823
})

‎repository.go‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -451,7 +451,7 @@ func (r *Repository) Remote(name string) (*Remote, error) {
451451
return nil, ErrRemoteNotFound
452452
}
453453

454-
return newRemote(r.Storer, c), nil
454+
return NewRemote(r.Storer, c), nil
455455
}
456456

457457
// Remotes returns a list with all the remotes
@@ -465,7 +465,7 @@ func (r *Repository) Remotes() ([]*Remote, error) {
465465

466466
var i int
467467
for _, c := range cfg.Remotes {
468-
remotes[i] = newRemote(r.Storer, c)
468+
remotes[i] = NewRemote(r.Storer, c)
469469
i++
470470
}
471471

@@ -478,7 +478,7 @@ func (r *Repository) CreateRemote(c *config.RemoteConfig) (*Remote, error) {
478478
return nil, err
479479
}
480480

481-
remote := newRemote(r.Storer, c)
481+
remote := NewRemote(r.Storer, c)
482482

483483
cfg, err := r.Storer.Config()
484484
if err != nil {
@@ -504,7 +504,7 @@ func (r *Repository) CreateRemoteAnonymous(c *config.RemoteConfig) (*Remote, err
504504
return nil, ErrAnonymousRemoteName
505505
}
506506

507-
remote := newRemote(r.Storer, c)
507+
remote := NewRemote(r.Storer, c)
508508

509509
return remote, nil
510510
}

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