gittestserver: Add InitRepo() to initialize a repo

gittestserver/go.mod

@@ -3,8 +3,8 @@ module github.com/fluxcd/pkg/gittestserver
 go 1.16
 
 require (
+	github.com/go-git/go-billy/v5 v5.3.1
+	github.com/go-git/go-git/v5 v5.4.2
 	github.com/satori/go.uuid v1.2.0 // indirect
 	github.com/sosedoff/gitkit v0.2.1-0.20200818155723-72ebbcf5056d
-	github.com/stretchr/testify v1.6.1 // indirect
-	golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de // indirect
 )

gittestserver/go.sum

@@ -1,23 +1,105 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
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+github.com/Microsoft/go-winio v0.4.16 h1:FtSW/jqD+l4ba5iPBj9CODVtgfYAD8w2wS923g/cFDk=
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+github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 h1:YoJbenK9C67SkzkDfmQuVln04ygHj3vjZfd9FL+GmQQ=
+github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
+github.com/acomagu/bufpipe v1.0.3 h1:fxAGrHZTgQ9w5QqVItgzwj235/uYZYgbXitB+dLupOk=
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 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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+github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
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+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
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 github.com/sosedoff/gitkit v0.2.1-0.20200818155723-72ebbcf5056d h1:QKK1cJOPfb6nDDB8fC1l41/IcezASje2lsA13diVqfM=
 github.com/sosedoff/gitkit v0.2.1-0.20200818155723-72ebbcf5056d/go.mod h1:A+o6ZazfVJwetlcHz3ah6th66XcBdsyzLo+aBt/AsK4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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-golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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+golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
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+golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210326060303-6b1517762897 h1:KrsHThm5nFk34YtATK1LsThyGhGbGe1olrte/HInHvs=
+golang.org/x/net v0.0.0-20210326060303-6b1517762897/go.mod h1:uSPa2vr4CLtc/ILN5odXGNXS6mhrKVzTaCXzk9m6W3k=
+golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210324051608-47abb6519492/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210502180810-71e4cd670f79 h1:RX8C8PRZc2hTIod4ds8ij+/4RQX3AqhYj3uOHmyaz4E=
+golang.org/x/sys v0.0.0-20210502180810-71e4cd670f79/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

gittestserver/server.go

@@ -19,11 +19,19 @@ package gittestserver
 import (
 	"crypto/tls"
 	"crypto/x509"
+	"fmt"
 	"net/http/httptest"
 	"net/url"
 	"os"
 	"path/filepath"
+	"time"
 
+	"github.com/go-git/go-billy/v5/memfs"
+	gogit "github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/config"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/object"
+	"github.com/go-git/go-git/v5/storage/memory"
 	"github.com/sosedoff/gitkit"
 )
 
@@ -244,3 +252,93 @@ func (s *GitServer) SSHAddress() string {
 	}
 	return ""
 }
+
+// InitRepo initializes a new repository in the git server with the given
+// fixture at the repoPath.
+func (s *GitServer) InitRepo(fixture, branch, repoPath string) error {
+	// Create a bare repo to initialize.
+	localRepo := filepath.Join(s.Root(), repoPath)
+	_, err := gogit.PlainInit(localRepo, true)
+	if err != nil {
+		return err
+	}
+
+	// Create a new repo with the provided fixture.
+	repo, err := gogit.Init(memory.NewStorage(), memfs.New())
+	if err != nil {
+		return err
+	}
+	branchRef := plumbing.NewBranchReferenceName(branch)
+	if err = repo.CreateBranch(&config.Branch{
+		Name:   branch,
+		Remote: gogit.DefaultRemoteName,
+		Merge:  branchRef,
+	}); err != nil {
+		return err
+	}
+	if err := commitFromFixture(repo, fixture); err != nil {
+		return err
+	}
+
+	// Push to the local repo.
+	localRepoURL := fmt.Sprintf("file://%s", localRepo)
+	if _, err = repo.CreateRemote(&config.RemoteConfig{
+		Name: gogit.DefaultRemoteName,
+		URLs: []string{localRepoURL},
+	}); err != nil {
+		return err
+	}
+	return repo.Push(&gogit.PushOptions{
+		RefSpecs: []config.RefSpec{"refs/heads/*:refs/heads/*"},
+	})
+}
+
+func commitFromFixture(repo *gogit.Repository, fixture string) error {
+	working, err := repo.Worktree()
+	if err != nil {
+		return err
+	}
+	fs := working.Filesystem
+
+	if err = filepath.Walk(fixture, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.IsDir() {
+			return fs.MkdirAll(fs.Join(path[len(fixture):]), info.Mode())
+		}
+
+		fileBytes, err := os.ReadFile(path)
+		if err != nil {
+			return err
+		}
+
+		ff, err := fs.Create(path[len(fixture):])
+		if err != nil {
+			return err
+		}
+		defer ff.Close()
+
+		_, err = ff.Write(fileBytes)
+		return err
+	}); err != nil {
+		return err
+	}
+
+	_, err = working.Add(".")
+	if err != nil {
+		return err
+	}
+
+	if _, err = working.Commit("Fixtures from "+fixture, &gogit.CommitOptions{
+		Author: &object.Signature{
+			Name:  "Testbot",
+			Email: "test@example.com",
+			When:  time.Now(),
+		},
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}

gittestserver/server_test.go

@@ -3,9 +3,12 @@ package gittestserver
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 	"testing"
 	"time"
+
+	gogit "github.com/go-git/go-git/v5"
 )
 
 func TestCreateSSHServer(t *testing.T) {
@@ -106,3 +109,43 @@ func TestHTTPSServer(t *testing.T) {
 		t.Errorf("URL given for HTTPS server doesn't start with https://, got: %s", addr)
 	}
 }
+
+func TestInitRepo(t *testing.T) {
+	srv, err := NewTempGitServer()
+	if err != nil {
+		t.Fatal(err)
+	}
+	srv.Auth("test-user", "test-pswd")
+	defer os.RemoveAll(srv.Root())
+	srv.KeyDir(srv.Root())
+	if err = srv.StartHTTP(); err != nil {
+		t.Fatal(err)
+	}
+	defer srv.StopHTTP()
+
+	repoPath := "bar/test-reponame"
+	err = srv.InitRepo("testdata/git/repo1", "main", repoPath)
+	if err != nil {
+		t.Fatalf("failed to initialize repo: %v", err)
+	}
+
+	// Clone and verify the repo.
+	cloneDir, err := os.MkdirTemp("", "test-clone-")
+	if err != nil {
+		t.Fatalf("failed to create clone dir: %v", err)
+	}
+	defer os.RemoveAll(cloneDir)
+
+	repoURL := srv.HTTPAddressWithCredentials() + "/" + repoPath
+	_, err = gogit.PlainClone(cloneDir, false, &gogit.CloneOptions{
+		URL: repoURL,
+	})
+	if err != nil {
+		t.Fatalf("failed to clone repo: %v", err)
+	}
+
+	// Check file from clone.
+	if _, err := os.Stat(filepath.Join(cloneDir, "foo.txt")); os.IsNotExist(err) {
+		t.Error("expected foo.txt to exist")
+	}
+}

gittestserver/testdata/git/repo1/foo.txt

@@ -0,0 +1 @@
+test file