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27 lines
777 B
Go
27 lines
777 B
Go
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package rootless
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import (
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"os"
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"sync"
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)
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var (
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runningWithNonRootUsername bool
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runningWithNonRootUsernameOnce sync.Once
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)
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// RunningWithNonRootUsername returns true if we $USER is set to a non-root value,
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// regardless to the UID/EUID value.
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//
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// The value of this variable is mostly used for configuring default paths.
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// If the value is true, $HOME and $XDG_RUNTIME_DIR should be honored for setting up the default paths.
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// If false (not only EUID==0 but also $USER==root), $HOME and $XDG_RUNTIME_DIR should be ignored
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// even if we are in a user namespace.
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func RunningWithNonRootUsername() bool {
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runningWithNonRootUsernameOnce.Do(func() {
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u := os.Getenv("USER")
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runningWithNonRootUsername = u != "" && u != "root"
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})
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return runningWithNonRootUsername
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}
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