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Prevent dangling GetAttribute calls (#18754)
It appears possible that there could be a hang due to unread data from the repo-attribute command pipes. This PR simply closes these during the defer. Signed-off-by: Andrew Thornton <art27@cantab.net>
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@ -185,7 +185,8 @@ func (c *CheckAttributeReader) Init(ctx context.Context) error {
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// Run run cmd
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func (c *CheckAttributeReader) Run() error {
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defer func() {
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_ = c.Close()
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_ = c.stdinReader.Close()
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_ = c.stdOut.Close()
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}()
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stdErr := new(bytes.Buffer)
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err := c.cmd.RunWithContext(&RunContext{
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@ -196,14 +197,17 @@ func (c *CheckAttributeReader) Run() error {
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Stdout: c.stdOut,
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Stderr: stdErr,
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PipelineFunc: func(_ context.Context, _ context.CancelFunc) error {
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close(c.running)
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select {
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case <-c.running:
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default:
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close(c.running)
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}
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return nil
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},
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})
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if err != nil && c.ctx.Err() != nil && err.Error() != "signal: killed" {
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return fmt.Errorf("failed to run attr-check. Error: %w\nStderr: %s", err, stdErr.String())
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}
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return nil
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}
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@ -243,10 +247,8 @@ func (c *CheckAttributeReader) CheckPath(path string) (rs map[string]string, err
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// Close close pip after use
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func (c *CheckAttributeReader) Close() error {
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err := c.stdinWriter.Close()
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_ = c.stdinReader.Close()
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_ = c.stdOut.Close()
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c.cancel()
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err := c.stdinWriter.Close()
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select {
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case <-c.running:
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default:
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@ -88,7 +88,10 @@ func (repo *Repository) GetLanguageStats(commitID string) (map[string]int64, err
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}
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}()
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}
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defer cancel()
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defer func() {
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_ = checker.Close()
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cancel()
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}()
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}
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}
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@ -1422,6 +1422,7 @@ func GetDiff(gitRepo *git.Repository, opts *DiffOptions, files ...string) (*Diff
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}()
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}
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defer func() {
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_ = checker.Close()
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cancel()
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}()
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}
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