61 lines
892 B
Go
61 lines
892 B
Go
package filetree
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import (
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"bytes"
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"fmt"
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)
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type FileChangeInfo struct {
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Path string
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Typeflag byte
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MD5sum [16]byte
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DiffType DiffType
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}
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type DiffType int
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// enum to show whether a file has changed
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const (
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Unchanged DiffType = iota
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Changed
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Added
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Removed
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)
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func (d DiffType) String() string {
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switch d {
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case Unchanged:
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return "Unchanged"
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case Changed:
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return "Changed"
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case Added:
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return "Added"
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case Removed:
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return "Removed"
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default:
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return fmt.Sprintf("%d", int(d))
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}
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}
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func (a DiffType) merge(b DiffType) DiffType {
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if a == b {
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return a
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}
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return Changed
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}
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func (a *FileChangeInfo) getDiffType(b *FileChangeInfo) DiffType {
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if a == nil && b == nil {
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return Unchanged
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}
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if a == nil || b == nil {
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return Changed
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}
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if a.Typeflag == b.Typeflag {
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if bytes.Compare(a.MD5sum[:], b.MD5sum[:]) == 0 {
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return Unchanged
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}
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}
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return Changed
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}
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