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daemon/graphdriver/copy/copy.go

Summary

Maintainability
D
1 day
Test Coverage

Function DirCopy has a Cognitive Complexity of 75 (exceeds 20 allowed). Consider refactoring.
Open

func DirCopy(srcDir, dstDir string, copyMode Mode, copyOpaqueXattrs bool) error {
    copyWithFileRange := true
    copyWithFileClone := true

    // This is a map of source file inodes to dst file paths
Severity: Minor
Found in daemon/graphdriver/copy/copy.go - About 1 day to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function DirCopy has 112 lines of code (exceeds 50 allowed). Consider refactoring.
Open

func DirCopy(srcDir, dstDir string, copyMode Mode, copyOpaqueXattrs bool) error {
    copyWithFileRange := true
    copyWithFileClone := true

    // This is a map of source file inodes to dst file paths
Severity: Major
Found in daemon/graphdriver/copy/copy.go - About 3 hrs to fix

    Function DirCopy has 23 return statements (exceeds 4 allowed).
    Open

    func DirCopy(srcDir, dstDir string, copyMode Mode, copyOpaqueXattrs bool) error {
    copyWithFileRange := true
    copyWithFileClone := true

    // This is a map of source file inodes to dst file paths
    Severity: Major
    Found in daemon/graphdriver/copy/copy.go - About 2 hrs to fix

      Function copyRegular has 5 return statements (exceeds 4 allowed).
      Open

      func copyRegular(srcPath, dstPath string, fileinfo os.FileInfo, copyWithFileRange, copyWithFileClone *bool) error {
    srcFile, err := os.Open(srcPath)
    if err != nil {
        return err
    }
      Severity: Major
      Found in daemon/graphdriver/copy/copy.go - About 35 mins to fix

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