diff options
Diffstat (limited to 'vendor/github.com/hashicorp/go-getter/get_file_windows.go')
-rw-r--r-- | vendor/github.com/hashicorp/go-getter/get_file_windows.go | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-getter/get_file_windows.go b/vendor/github.com/hashicorp/go-getter/get_file_windows.go new file mode 100644 index 00000000..f87ed0a0 --- /dev/null +++ b/vendor/github.com/hashicorp/go-getter/get_file_windows.go @@ -0,0 +1,120 @@ +// +build windows + +package getter + +import ( + "fmt" + "io" + "net/url" + "os" + "os/exec" + "path/filepath" + "strings" +) + +func (g *FileGetter) Get(dst string, u *url.URL) error { + path := u.Path + if u.RawPath != "" { + path = u.RawPath + } + + // The source path must exist and be a directory to be usable. + if fi, err := os.Stat(path); err != nil { + return fmt.Errorf("source path error: %s", err) + } else if !fi.IsDir() { + return fmt.Errorf("source path must be a directory") + } + + fi, err := os.Lstat(dst) + if err != nil && !os.IsNotExist(err) { + return err + } + + // If the destination already exists, it must be a symlink + if err == nil { + mode := fi.Mode() + if mode&os.ModeSymlink == 0 { + return fmt.Errorf("destination exists and is not a symlink") + } + + // Remove the destination + if err := os.Remove(dst); err != nil { + return err + } + } + + // Create all the parent directories + if err := os.MkdirAll(filepath.Dir(dst), 0755); err != nil { + return err + } + + sourcePath := toBackslash(path) + + // Use mklink to create a junction point + output, err := exec.Command("cmd", "/c", "mklink", "/J", dst, sourcePath).CombinedOutput() + if err != nil { + return fmt.Errorf("failed to run mklink %v %v: %v %q", dst, sourcePath, err, output) + } + + return nil +} + +func (g *FileGetter) GetFile(dst string, u *url.URL) error { + path := u.Path + if u.RawPath != "" { + path = u.RawPath + } + + // The source path must exist and be a directory to be usable. + if fi, err := os.Stat(path); err != nil { + return fmt.Errorf("source path error: %s", err) + } else if fi.IsDir() { + return fmt.Errorf("source path must be a file") + } + + _, err := os.Lstat(dst) + if err != nil && !os.IsNotExist(err) { + return err + } + + // If the destination already exists, it must be a symlink + if err == nil { + // Remove the destination + if err := os.Remove(dst); err != nil { + return err + } + } + + // Create all the parent directories + if err := os.MkdirAll(filepath.Dir(dst), 0755); err != nil { + return err + } + + // If we're not copying, just symlink and we're done + if !g.Copy { + return os.Symlink(path, dst) + } + + // Copy + srcF, err := os.Open(path) + if err != nil { + return err + } + defer srcF.Close() + + dstF, err := os.Create(dst) + if err != nil { + return err + } + defer dstF.Close() + + _, err = io.Copy(dstF, srcF) + return err +} + +// toBackslash returns the result of replacing each slash character +// in path with a backslash ('\') character. Multiple separators are +// replaced by multiple backslashes. +func toBackslash(path string) string { + return strings.Replace(path, "/", "\\", -1) +} |