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JohnStarich / sage

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Don't segfault on `./sage --help` #32

Closed aclindsa closed 4 years ago

aclindsa commented 4 years ago

Though harmless, this stops from printing the following after usage information when a user runs ./sage --help:

[...]
flag: help requested
{"level":"info","msg":"Shutting down"}
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0xc0f8be]

goroutine 1 [running]:
github.com/johnstarich/sage/sync.Shutdown(0x0, 0x0, 0x2)
    ./sage/sync/sync.go:12 +0x7e
main.main()
    ./sage/main.go:189 +0x12b