cmd/cloner, cmd/viewer, util/codegen: add support for aliases of clon… #1

Job	Run time
android	55s
crossmin (plan9, amd64)	3m 6s
cross (linux, arm64)	5m 54s
crossmin (aix, ppc64)	3m 9s
depaware	30s
cross (linux, 386)	5m 58s
fuzz	0s
cross (linux, loong64)	5m 55s
go_generate	1m 4s
cross (linux, arm, 5)	5m 53s
go_mod_tidy	27s
ios	44s
cross (linux, arm, 7)	4m 50s
cross (darwin, amd64)	5m 43s
licenses	6s
privileged	48s
cross (darwin, arm64)	5m 46s
race-build	4m 23s
cross (windows, amd64)	5m 34s
cross (windows, arm64)	5m 37s
race-root-integration (1/4)	1m 19s
tailscale_go	29s
cross (freebsd, amd64)	5m 45s
staticcheck (linux, amd64)	3m 34s
race-root-integration (2/4)	1m 20s
staticcheck (windows, amd64)	3m 28s
cross (openbsd, amd64)	5m 48s
race-root-integration (3/4)	1m 16s
staticcheck (darwin, amd64)	3m 26s
race-root-integration (4/4)	1m 19s
test (amd64, -coverprofile=/tmp/coverage.out)	18m 10s
vm	0s
staticcheck (windows, 386)	3m 18s
test (amd64, -race, 1/3)	7m 25s
test (amd64, -race, 2/3)	9m 39s
wasm	9m 20s
test (amd64, -race, 3/3)	7m 28s
windows	8m 51s
test (386)	7m 10s
notify_slack	4s
check_mergeability	1s
	2h 45m 32s

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