Panic if trying to register an func with the same name
Signed-off-by: Michael Crosby <michael@docker.com>
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9694209241
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1a249a5feb
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@ -1,11 +1,18 @@
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package reexec
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package reexec
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import "os"
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import (
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"fmt"
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"os"
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)
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var registeredInitializers = make(map[string]func())
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var registeredInitializers = make(map[string]func())
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// Register adds an initialization func under the specified name
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// Register adds an initialization func under the specified name
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func Register(name string, initializer func()) {
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func Register(name string, initializer func()) {
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if _, exists := registeredInitializers[name]; exists {
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panic(fmt.Sprintf("reexec func already registred under name %q", name))
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}
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registeredInitializers[name] = initializer
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registeredInitializers[name] = initializer
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}
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}
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