mirror of https://github.com/go-gitea/gitea
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
package diff
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import (
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/filemode"
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)
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// Operation defines the operation of a diff item.
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type Operation int
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const (
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// Equal item represents a equals diff.
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Equal Operation = iota
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// Add item represents an insert diff.
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Add
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// Delete item represents a delete diff.
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Delete
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)
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// Patch represents a collection of steps to transform several files.
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type Patch interface {
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// FilePatches returns a slice of patches per file.
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FilePatches() []FilePatch
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// Message returns an optional message that can be at the top of the
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// Patch representation.
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Message() string
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}
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// FilePatch represents the necessary steps to transform one file to another.
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type FilePatch interface {
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// IsBinary returns true if this patch is representing a binary file.
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IsBinary() bool
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// Files returns the from and to Files, with all the necessary metadata to
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// about them. If the patch creates a new file, "from" will be nil.
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// If the patch deletes a file, "to" will be nil.
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Files() (from, to File)
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// Chunks returns a slice of ordered changes to transform "from" File to
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// "to" File. If the file is a binary one, Chunks will be empty.
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Chunks() []Chunk
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}
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// File contains all the file metadata necessary to print some patch formats.
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type File interface {
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// Hash returns the File Hash.
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Hash() plumbing.Hash
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// Mode returns the FileMode.
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Mode() filemode.FileMode
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// Path returns the complete Path to the file, including the filename.
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Path() string
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}
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// Chunk represents a portion of a file transformation to another.
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type Chunk interface {
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// Content contains the portion of the file.
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Content() string
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// Type contains the Operation to do with this Chunk.
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Type() Operation
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}
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