• Alan Donovan's avatar
    cmd/go: improve go vet documentation · 42b46585
    Alan Donovan authored
    - restore and rework cmd/vet/doc.go, which was clobbered during the vet-lite switch.
    - document go vet -vettool=prog flag and how to run an alternative checker.
    - make 'go vet -help' show how to list vet tool's flags.  Example:
    
    	$ go vet -help
    	usage: go vet [-n] [-x] [-vettool prog] [build flags] [vet flags] [packages]
    	Run 'go help vet' for details.
    	Run 'go tool vet help' for the vet tool's flags.
    
    	$ go vet -vettool=~/bin/myvet -help
    	usage: go vet [-n] [-x] [-vettool prog] [build flags] [vet flags] [packages]
    	Run 'go help vet' for details.
    	Run '~/bin/myvet help' for the vet tool's flags.
    
    Updates #28840
    
    Change-Id: Ieb79dfe29e1df074f865bc9a9d47b44199675d7d
    Reviewed-on: https://go-review.googlesource.com/c/147018Reviewed-by: 's avatarDaniel Martí <mvdan@mvdan.cc>
    Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
    TryBot-Result: Gobot Gobot <gobot@golang.org>
    42b46585
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