1 files changed, 0 insertions, 156 deletions

diff --git a/cli/internal/packagemanager/berry.go b/cli/internal/packagemanager/berry.go
deleted file mode 100644
index d6264b1..0000000
--- a/cli/internal/packagemanager/berry.go
+++ /dev/null
@@ -1,156 +0,0 @@
-package packagemanager
-
-import (
-	"fmt"
-	"os/exec"
-	"strings"
-
-	"github.com/Masterminds/semver"
-	"github.com/pkg/errors"
-	"github.com/vercel/turbo/cli/internal/fs"
-	"github.com/vercel/turbo/cli/internal/lockfile"
-	"github.com/vercel/turbo/cli/internal/turbopath"
-	"github.com/vercel/turbo/cli/internal/util"
-)
-
-var nodejsBerry = PackageManager{
-	Name:       "nodejs-berry",
-	Slug:       "yarn",
-	Command:    "yarn",
-	Specfile:   "package.json",
-	Lockfile:   "yarn.lock",
-	PackageDir: "node_modules",
-
-	getWorkspaceGlobs: func(rootpath turbopath.AbsoluteSystemPath) ([]string, error) {
-		pkg, err := fs.ReadPackageJSON(rootpath.UntypedJoin("package.json"))
-		if err != nil {
-			return nil, fmt.Errorf("package.json: %w", err)
-		}
-		if len(pkg.Workspaces) == 0 {
-			return nil, fmt.Errorf("package.json: no workspaces found. Turborepo requires Yarn workspaces to be defined in the root package.json")
-		}
-		return pkg.Workspaces, nil
-	},
-
-	getWorkspaceIgnores: func(pm PackageManager, rootpath turbopath.AbsoluteSystemPath) ([]string, error) {
-		// Matches upstream values:
-		// Key code: https://github.com/yarnpkg/berry/blob/8e0c4b897b0881878a1f901230ea49b7c8113fbe/packages/yarnpkg-core/sources/Workspace.ts#L64-L70
-		return []string{
-			"**/node_modules",
-			"**/.git",
-			"**/.yarn",
-		}, nil
-	},
-
-	canPrune: func(cwd turbopath.AbsoluteSystemPath) (bool, error) {
-		if isNMLinker, err := util.IsNMLinker(cwd.ToStringDuringMigration()); err != nil {
-			return false, errors.Wrap(err, "could not determine if yarn is using `nodeLinker: node-modules`")
-		} else if !isNMLinker {
-			return false, errors.New("only yarn v2/v3 with `nodeLinker: node-modules` is supported at this time")
-		}
-		return true, nil
-	},
-
-	// Versions newer than 2.0 are berry, and before that we simply call them yarn.
-	Matches: func(manager string, version string) (bool, error) {
-		if manager != "yarn" {
-			return false, nil
-		}
-
-		v, err := semver.NewVersion(version)
-		if err != nil {
-			return false, fmt.Errorf("could not parse yarn version: %w", err)
-		}
-		// -0 allows pre-releases versions to be considered valid
-		c, err := semver.NewConstraint(">=2.0.0-0")
-		if err != nil {
-			return false, fmt.Errorf("could not create constraint: %w", err)
-		}
-
-		return c.Check(v), nil
-	},
-
-	// Detect for berry needs to identify which version of yarn is running on the system.
-	// Further, berry can be configured in an incompatible way, so we check for compatibility here as well.
-	detect: func(projectDirectory turbopath.AbsoluteSystemPath, packageManager *PackageManager) (bool, error) {
-		specfileExists := projectDirectory.UntypedJoin(packageManager.Specfile).FileExists()
-		lockfileExists := projectDirectory.UntypedJoin(packageManager.Lockfile).FileExists()
-
-		// Short-circuit, definitely not Yarn.
-		if !specfileExists || !lockfileExists {
-			return false, nil
-		}
-
-		cmd := exec.Command("yarn", "--version")
-		cmd.Dir = projectDirectory.ToString()
-		out, err := cmd.Output()
-		if err != nil {
-			return false, fmt.Errorf("could not detect yarn version: %w", err)
-		}
-
-		// See if we're a match when we compare these two things.
-		matches, _ := packageManager.Matches(packageManager.Slug, string(out))
-
-		// Short-circuit, definitely not Berry because version number says we're Yarn.
-		if !matches {
-			return false, nil
-		}
-
-		// We're Berry!
-
-		// Check for supported configuration.
-		isNMLinker, err := util.IsNMLinker(projectDirectory.ToStringDuringMigration())
-
-		if err != nil {
-			// Failed to read the linker state, so we treat an unknown configuration as a failure.
-			return false, fmt.Errorf("could not check if yarn is using nm-linker: %w", err)
-		} else if !isNMLinker {
-			// Not using nm-linker, so unsupported configuration.
-			return false, fmt.Errorf("only yarn nm-linker is supported")
-		}
-
-		// Berry, supported configuration.
-		return true, nil
-	},
-
-	UnmarshalLockfile: func(_rootPackageJSON *fs.PackageJSON, contents []byte) (lockfile.Lockfile, error) {
-		return lockfile.DecodeBerryLockfile(contents)
-	},
-
-	prunePatches: func(pkgJSON *fs.PackageJSON, patches []turbopath.AnchoredUnixPath) error {
-		pkgJSON.Mu.Lock()
-		defer pkgJSON.Mu.Unlock()
-
-		keysToDelete := []string{}
-		resolutions, ok := pkgJSON.RawJSON["resolutions"].(map[string]interface{})
-		if !ok {
-			return fmt.Errorf("Invalid structure for resolutions field in package.json")
-		}
-
-		for dependency, untypedPatch := range resolutions {
-			inPatches := false
-			patch, ok := untypedPatch.(string)
-			if !ok {
-				return fmt.Errorf("Expected value of %s in package.json to be a string, got %v", dependency, untypedPatch)
-			}
-
-			for _, wantedPatch := range patches {
-				if strings.HasSuffix(patch, wantedPatch.ToString()) {
-					inPatches = true
-					break
-				}
-			}
-
-			// We only want to delete unused patches as they are the only ones that throw if unused
-			if !inPatches && strings.HasSuffix(patch, ".patch") {
-				keysToDelete = append(keysToDelete, dependency)
-			}
-		}
-
-		for _, key := range keysToDelete {
-			delete(resolutions, key)
-		}
-
-		return nil
-	},
-}