Privatae
34 lines
780 B
Go
34 lines
780 B
Go
//go:build !windows
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package main
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import (
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"os"
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"path/filepath"
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"syscall"
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"testing"
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"time"
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)
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// A pipe planted where .git/HEAD belongs must not stall the daemon: a plain
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// open would wait for a writer for ever.
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func TestAPipeInPlaceOfGitHEADDoesNotStall(t *testing.T) {
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repo := t.TempDir()
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if err := os.MkdirAll(filepath.Join(repo, ".git"), 0o700); err != nil {
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t.Fatal(err)
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}
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if err := syscall.Mkfifo(filepath.Join(repo, ".git", "HEAD"), 0o600); err != nil {
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t.Skip("cannot make a fifo here:", err)
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}
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done := make(chan string, 1)
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go func() { done <- gitBranchOf(repo) }()
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select {
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case got := <-done:
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if got != "" {
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t.Errorf("a pipe read as branch %q", got)
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}
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case <-time.After(3 * time.Second):
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t.Fatal("reading .git/HEAD stalled on a pipe")
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}
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}
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