build

nvme: output copy command success message for json format #3055

Job	Run time
cross (s390x)	43s
cross (armhf)	51s
cross (ppc64le)	45s
muon minimal static	29s
default (gcc, debug)	25s
default (clang, debug)	26s
default (gcc, release)	34s
default (clang, release)	32s
make static	38s
build libnvme and nvme-cli separately	39s
fallback shared libraries	0s
	6m 2s

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