gateway: don't redirect to trailing slash if it's go get #3963
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This enables
go get
to parse go-import meta tags from index.html files stored in IPFS. One tiny step toward whyrusleeping/gx-go#2.For an import like
ipfs.io/ipfs/QmFoo/mypkg
, the gateway would previously redirect to/ipfs/QmFoo/mypkg/
(note the trailing slash), which thego get
tool can't deal with. Thankfully,go get
sets a URL query parameter (?go-get=1
) which we can use to switch off the redirect in this case.