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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package gitcmd
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import (
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"io"
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"os"
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)
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type PipeBufferReader interface {
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// Read should be used in the same goroutine as command's Wait
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// When Reader in one goroutine, command's Wait in another goroutine, then the command exits, the pipe will be closed:
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// * If the Reader goroutine reads faster, it will read all remaining data and then get io.EOF
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// * But this io.EOF doesn't mean the Reader has gotten complete data, the data might still be corrupted
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// * If the Reader goroutine reads slower, it will get os.ErrClosed because the os.Pipe is closed ahead when the command exits
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//
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// When using 2 goroutines, no clear solution to distinguish these two cases or make Reader knows whether the data is complete
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// It should avoid using Reader in a different goroutine than the command if the Read error needs to be handled.
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Read(p []byte) (n int, err error)
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Bytes() []byte
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}
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type PipeBufferWriter interface {
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Write(p []byte) (n int, err error)
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Bytes() []byte
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}
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type PipeReader interface {
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io.ReadCloser
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internalOnly()
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}
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type pipeReader struct {
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f *os.File
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}
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func (r *pipeReader) internalOnly() {}
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func (r *pipeReader) Read(p []byte) (n int, err error) {
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return r.f.Read(p)
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}
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func (r *pipeReader) Close() error {
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return r.f.Close()
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}
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type PipeWriter interface {
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io.WriteCloser
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internalOnly()
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}
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type pipeWriter struct {
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f *os.File
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}
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func (w *pipeWriter) internalOnly() {}
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func (w *pipeWriter) Close() error {
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return w.f.Close()
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}
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func (w *pipeWriter) Write(p []byte) (n int, err error) {
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return w.f.Write(p)
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}
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func (w *pipeWriter) DrainBeforeClose() error {
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return nil
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}
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type pipeNull struct {
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err error
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}
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func (p *pipeNull) internalOnly() {}
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func (p *pipeNull) Read([]byte) (n int, err error) {
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return 0, p.err
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}
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func (p *pipeNull) Write([]byte) (n int, err error) {
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return 0, p.err
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}
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func (p *pipeNull) Close() error {
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return nil
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}
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