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plumbing: object, commit.Parent() method #534

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Nov 20, 2017
Merged

plumbing: object, commit.Parent() method #534

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a0b45cc
plumbing/object: add Commit.FirstParent
josharian Aug 3, 2017
e09fa24
plumbing: object, commit.Parent() method
mcuadros Nov 20, 2017
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11 changes: 11 additions & 0 deletions plumbing/object/commit.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package object
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"strings"
Expand Down Expand Up @@ -91,6 +92,16 @@ func (c *Commit) NumParents() int {
return len(c.ParentHashes)
}

var ErrNoParents = errors.New("commit has no parents")

// FirstParent returns the first parent of c.
func (c *Commit) FirstParent() (*Commit, error) {
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can you create create test or this?

if len(c.ParentHashes) == 0 {
return nil, ErrNoParents
}
return GetCommit(c.s, c.ParentHashes[0])
}

// File returns the file with the specified "path" in the commit and a
// nil error if the file exists. If the file does not exist, it returns
// a nil file and the ErrFileNotFound error.
Expand Down