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gitea/vendor/github.com/djherbis/buffer/spill.go
zeripath 23358bc55d
Use git log name-status in get last commit (#16059)
* Improve get last commit using git log --name-status

git log --name-status -c provides information about the diff between a
commit and its parents. Using this and adjusting the algorithm to use
the first change to a path allows for a much faster generation of commit
info.

There is a subtle change in the results generated but this will cause
the results to more closely match those from elsewhere.

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-06-21 01:00:46 +03:00

42 lines
687 B
Go
Vendored

package buffer
import (
"encoding/gob"
"io"
"io/ioutil"
"math"
)
type spill struct {
Buffer
Spiller io.Writer
}
// NewSpill returns a Buffer which writes data to w when there's an error
// writing to buf. Such as when buf is full, or the disk is full, etc.
func NewSpill(buf Buffer, w io.Writer) Buffer {
if w == nil {
w = ioutil.Discard
}
return &spill{
Buffer: buf,
Spiller: w,
}
}
func (buf *spill) Cap() int64 {
return math.MaxInt64
}
func (buf *spill) Write(p []byte) (n int, err error) {
if n, err = buf.Buffer.Write(p); err != nil {
m, err := buf.Spiller.Write(p[n:])
return m + n, err
}
return len(p), nil
}
func init() {
gob.Register(&spill{})
}