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fix: replace panic with exitError for OS-level failures in mainCmd #48

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jonbaldie wants to merge 1 commit into from
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fix: replace panic with exitError for OS-level failures in mainCmd #48

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19 changes: 6 additions & 13 deletions cmd/go-mutesting/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -191,7 +191,7 @@ MUTATOR:

tmpDir, err := os.MkdirTemp("", "go-mutesting-")
if err != nil {
panic(err)
return exitError("Could not create tmp dir: %v", err)
}
console.Verbose(opts, "Save mutations into %q", tmpDir)

Expand Down Expand Up @@ -225,15 +225,15 @@ MUTATOR:

err = os.MkdirAll(tmpDir+"/"+filepath.Dir(file), 0755)
if err != nil {
panic(err)
return exitError("Could not create dir for mutation file: %v", err)
}

tmpFile := tmpDir + "/" + file

originalFile := fmt.Sprintf("%s.original", tmpFile)
err = osutil.CopyFile(file, originalFile)
if err != nil {
panic(err)
return exitError("Could not copy original file %q: %v", file, err)
}
console.Debug(opts, "Save original into %q", originalFile)

Expand All @@ -258,7 +258,7 @@ MUTATOR:
if !opts.General.DoNotRemoveTmpFolder {
err = os.RemoveAll(tmpDir)
if err != nil {
panic(err)
return exitError("Could not remove tmp dir %q: %v", tmpDir, err)
}
console.Debug(opts, "Remove %q", tmpDir)
}
Expand Down Expand Up @@ -532,21 +532,14 @@ func mutateExec(
execCommand.Env = append(execCommand.Env, "TEST_RECURSIVE=true")
}

err := execCommand.Start()
if err != nil {
panic(err)
}

// TODO timeout here

err = execCommand.Wait()
err := execCommand.Run()

if err == nil {
execExitCode = 0
} else if e, ok := err.(*exec.ExitError); ok {
execExitCode = e.Sys().(syscall.WaitStatus).ExitStatus()
} else {
panic(err)
return exitError("Exec command failed unexpectedly: %v", err)
}

return execExitCode
Expand Down