buildMountSample
parent
5001868f24
commit
ee8e869e35
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@ -20,7 +20,9 @@ import (
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"io/ioutil"
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"log"
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"os/exec"
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"path"
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"strings"
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"sync"
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"time"
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"github.com/jacobsa/bazilfuse"
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@ -63,9 +65,52 @@ func (t *SubprocessTest) SetUp(ti *ogletest.TestInfo) {
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}
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}
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// Set by buildMountSample.
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var mountSamplePath string
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var mountSampleErr error
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var mountSampleOnce sync.Once
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// Build the mount_sample tool if it has not yet been built for this process.
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// Return a path to the binary.
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func buildMountSample() (path string, err error)
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func buildMountSample() (toolPath string, err error) {
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// Build if we haven't yet.
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mountSampleOnce.Do(func() {
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// Create a temporary directory.
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tempDir, err := ioutil.TempDir("", "")
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if err != nil {
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mountSampleErr = fmt.Errorf("TempDir: %v", err)
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return
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}
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mountSamplePath = path.Join(tempDir, "mount_sample")
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// Build the command.
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cmd := exec.Command(
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"go",
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"build",
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"github.com/jacobsa/fuse/samples/mount_sample",
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"-o",
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mountSamplePath)
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output, err := cmd.CombinedOutput()
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if err != nil {
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mountSampleErr = fmt.Errorf(
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"mount_sample exited with %v, output:\n%s",
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err,
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string(output))
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return
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}
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})
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if mountSampleErr != nil {
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err = mountSampleErr
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return
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}
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toolPath = mountSamplePath
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return
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}
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// Invoke mount_sample, returning a running command.
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func invokeMountSample(path string, args []string) (cmd *exec.Cmd, err error)
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