add InitInMemory and OpenOrInitOnDisk (#18)

Author: petar

git/cache.go

@@ -44,7 +44,7 @@ func switchToBranch(ctx context.Context, repo *Repository, branch Branch) {
 	}
 }
 
-func openOrInitOnDisk(ctx context.Context, path URL, bare bool) *Repository {
+func OpenOrInitOnDisk(ctx context.Context, path URL, bare bool) *Repository {
 	repo, err := git.PlainOpen(string(path))
 	if err == nil {
 		return repo

git/embed_test.go

@@ -30,7 +30,7 @@ func TestEmbed(t *testing.T) {
 	InitPlain(ctx, dir3, true)
 
 	embed := func() {
-		r := initInMemory(ctx)
+		r := InitInMemory(ctx)
 		PullAll(ctx, r, URL(dir1))
 
 		EmbedOnBranch(
@@ -96,14 +96,14 @@ func populate(ctx context.Context, r *git.Repository, nonce string) {
 }
 
 func populateRemote(ctx context.Context, p string, nonce string) {
-	r := initInMemory(ctx)
+	r := InitInMemory(ctx)
 	PullAll(ctx, r, URL(p))
 	populate(ctx, r, nonce)
 	PushAll(ctx, r, URL(p))
 }
 
 func findFileRemote(ctx context.Context, p string, filepath string) {
-	r := initInMemory(ctx)
+	r := InitInMemory(ctx)
 	PullAll(ctx, r, URL(p))
 	w := Worktree(ctx, r)
 	err := w.Checkout(&git.CheckoutOptions{Branch: plumbing.NewBranchReferenceName(string(testEmbedBranch))})

git/nocache.go

@@ -30,11 +30,11 @@ func (x NoCache) CloneAll(ctx context.Context, addr Address) Cloned {
 func (x NoCache) clone(ctx context.Context, addr Address, all bool) Cloned {
 	var repo *Repository
 	if x.dir == "" {
-		repo = initInMemory(ctx)
+		repo = InitInMemory(ctx)
 	} else {
 		p := URL(filepath.Join(x.dir, nonceName()))
 		base.Infof("materializing repo %v on disk %v\n", addr.Repo, p)
-		repo = openOrInitOnDisk(ctx, p, false)
+		repo = OpenOrInitOnDisk(ctx, p, false)
 	}
 	c := &clonedNoCache{all: all, addr: addr, repo: repo}
 	c.Pull(ctx)

git/proxy.go

@@ -25,7 +25,7 @@ type Cloned interface {
 	Tree() *Tree
 }
 
-func initInMemory(ctx context.Context) *Repository {
+func InitInMemory(ctx context.Context) *Repository {
 	repo, err := git.Init(memory.NewStorage(), memfs.New())
 	must.NoError(ctx, err)
 	return repo

git/replica.go

@@ -31,8 +31,8 @@ func newReplicaClone(ctx context.Context, cacheDir string, address Address, allB
 		address:     address,
 		allBranches: allBranches,
 		ttl:         ttl,
-		diskRepo:    openOrInitOnDisk(ctx, replicaPathURL(cacheDir, address), true), // cache must be bare, otherwise checkout branch cannot be pushed,
-		memRepo:     initInMemory(ctx),
+		diskRepo:    OpenOrInitOnDisk(ctx, replicaPathURL(cacheDir, address), true), // cache must be bare, otherwise checkout branch cannot be pushed,
+		memRepo:     InitInMemory(ctx),
 	}
 }