Switch to `folders.FindDirWithLeaf` (#1963)

## Changes
Remove two duplicate implementations of the same logic, switch
everywhere to folders.FindDirWithLeaf.

Add Abs() call to FindDirWithLeaf, it cannot really work on relative
paths.

## Tests
Existing tests.

bundle/config/mutator/load_git_details.go

@@ -2,6 +2,8 @@ package mutator
 
 import (
 	"context"
+	"errors"
+	"os"
 	"path/filepath"
 
 	"github.com/databricks/cli/bundle"
@@ -24,7 +26,9 @@ func (m *loadGitDetails) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagn
 	var diags diag.Diagnostics
 	info, err := git.FetchRepositoryInfo(ctx, b.BundleRoot.Native(), b.WorkspaceClient())
 	if err != nil {
-		diags = append(diags, diag.WarningFromErr(err)...)
+		if !errors.Is(err, os.ErrNotExist) {
+			diags = append(diags, diag.WarningFromErr(err)...)
+		}
 	}
 
 	if info.WorktreeRoot == "" {

internal/bundle/helpers.go

@@ -18,8 +18,8 @@ import (
 	"github.com/databricks/cli/libs/env"
 	"github.com/databricks/cli/libs/filer"
 	"github.com/databricks/cli/libs/flags"
+	"github.com/databricks/cli/libs/folders"
 	"github.com/databricks/cli/libs/template"
-	"github.com/databricks/cli/libs/vfs"
 	"github.com/databricks/databricks-sdk-go"
 	"github.com/stretchr/testify/require"
 )
@@ -144,15 +144,14 @@ func getBundleRemoteRootPath(w *databricks.WorkspaceClient, t *testing.T, unique
 }
 
 func blackBoxRun(t *testing.T, root string, args ...string) (stdout string, stderr string) {
-	cwd := vfs.MustNew(".")
+	gitRoot, err := folders.FindDirWithLeaf(".", ".git")
-	gitRoot, err := vfs.FindLeafInTree(cwd, ".git")
 	require.NoError(t, err)
 
 	t.Setenv("BUNDLE_ROOT", root)
 
 	// Create the command
 	cmd := exec.Command("go", append([]string{"run", "main.go"}, args...)...)
-	cmd.Dir = gitRoot.Native()
+	cmd.Dir = gitRoot
 
 	// Create buffers to capture output
 	var outBuffer, errBuffer bytes.Buffer

internal/git_fetch_test.go

@@ -101,7 +101,7 @@ func TestAccFetchRepositoryInfoAPI_FromNonRepo(t *testing.T) {
 				assert.NoError(t, err)
 			} else {
 				assert.Error(t, err)
-				assert.Contains(t, err.Error(), test.msg)
+				assert.ErrorContains(t, err, test.msg)
 			}
 			assertEmptyGitInfo(t, info)
 		})
@@ -151,7 +151,7 @@ func TestAccFetchRepositoryInfoDotGit_FromNonGitRepo(t *testing.T) {
 	for _, input := range tests {
 		t.Run(input, func(t *testing.T) {
 			info, err := git.FetchRepositoryInfo(ctx, input, wt.W)
-			assert.NoError(t, err)
+			assert.ErrorIs(t, err, os.ErrNotExist)
 			assertEmptyGitInfo(t, info)
 		})
 	}

libs/folders/folders.go

@@ -9,6 +9,10 @@ import (
 // FindDirWithLeaf returns the first directory that holds `leaf`,
 // traversing up to the root of the filesystem, starting at `dir`.
 func FindDirWithLeaf(dir string, leaf string) (string, error) {
+	dir, err := filepath.Abs(dir)
+	if err != nil {
+		return "", err
+	}
 	for {
 		_, err := os.Stat(filepath.Join(dir, leaf))
 

libs/git/info.go

@@ -2,15 +2,12 @@ package git
 
 import (
 	"context"
-	"errors"
-	"io/fs"
 	"net/http"
-	"os"
 	"path"
-	"path/filepath"
 	"strings"
 
 	"github.com/databricks/cli/libs/dbr"
+	"github.com/databricks/cli/libs/folders"
 	"github.com/databricks/cli/libs/log"
 	"github.com/databricks/cli/libs/vfs"
 	"github.com/databricks/databricks-sdk-go"
@@ -105,7 +102,7 @@ func ensureWorkspacePrefix(p string) string {
 func fetchRepositoryInfoDotGit(ctx context.Context, path string) (RepositoryInfo, error) {
 	result := RepositoryInfo{}
 
-	rootDir, err := findLeafInTree(path, GitDirectoryName)
+	rootDir, err := folders.FindDirWithLeaf(path, GitDirectoryName)
 	if rootDir == "" {
 		return result, err
 	}
@@ -134,28 +131,3 @@ func fetchRepositoryInfoDotGit(ctx context.Context, path string) (RepositoryInfo
 
 	return result, nil
 }
-
-func findLeafInTree(p string, leafName string) (string, error) {
-	var err error
-	for i := 0; i < 10000; i++ {
-		_, err = os.Stat(filepath.Join(p, leafName))
-
-		if err == nil {
-			// Found [leafName] in p
-			return p, nil
-		}
-
-		// ErrNotExist means we continue traversal up the tree.
-		if errors.Is(err, fs.ErrNotExist) {
-			parent := filepath.Dir(p)
-			if parent == p {
-				return "", nil
-			}
-			p = parent
-			continue
-		}
-		break
-	}
-
-	return "", err
-}

libs/vfs/leaf.go

@@ -1,29 +0,0 @@
-package vfs
-
-import (
-	"errors"
-	"io/fs"
-)
-
-// FindLeafInTree returns the first path that holds `name`,
-// traversing up to the root of the filesystem, starting at `p`.
-func FindLeafInTree(p Path, name string) (Path, error) {
-	for p != nil {
-		_, err := fs.Stat(p, name)
-
-		// No error means we found the leaf in p.
-		if err == nil {
-			return p, nil
-		}
-
-		// ErrNotExist means we continue traversal up the tree.
-		if errors.Is(err, fs.ErrNotExist) {
-			p = p.Parent()
-			continue
-		}
-
-		return nil, err
-	}
-
-	return nil, fs.ErrNotExist
-}

libs/vfs/leaf_test.go

@@ -1,38 +0,0 @@
-package vfs
-
-import (
-	"os"
-	"path/filepath"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestFindLeafInTree(t *testing.T) {
-	wd, err := os.Getwd()
-	require.NoError(t, err)
-
-	root := filepath.Join(wd, "..", "..")
-
-	// Find from working directory should work.
-	{
-		out, err := FindLeafInTree(MustNew(wd), ".git")
-		assert.NoError(t, err)
-		assert.Equal(t, root, out.Native())
-	}
-
-	// Find from project root itself should work.
-	{
-		out, err := FindLeafInTree(MustNew(root), ".git")
-		assert.NoError(t, err)
-		assert.Equal(t, root, out.Native())
-	}
-
-	// Find for something that doesn't exist should work.
-	{
-		out, err := FindLeafInTree(MustNew(root), "this-leaf-doesnt-exist-anywhere")
-		assert.ErrorIs(t, err, os.ErrNotExist)
-		assert.Equal(t, nil, out)
-	}
-}