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whyrusleeping / gx-go

gx subtool for golang
MIT License
80 stars 28 forks source link

Add gx-go link command #21

Closed ghost closed 7 years ago

ghost commented 7 years ago

gx-go link eases local development by symlinking actual workspace repositories on demand.

Example workflow:

> gx-go link QmQA5mdxru8Bh6dpC9PJfSkumqnmHgJX7knxSgBo5Lpime QmVGtdTZdTFaLsaj2RwdVG8jcjNNcp1DE914DKZ2kHmXHw QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52
linked QmQA5mdxru8Bh6dpC9PJfSkumqnmHgJX7knxSgBo5Lpime /home/user/go/src/github.com/libp2p/go-libp2p
linked QmVGtdTZdTFaLsaj2RwdVG8jcjNNcp1DE914DKZ2kHmXHw /home/user/go/src/github.com/multiformats/go-multihash
linked QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52 /home/user/go/src/github.com/ipfs/go-log

> gx-go link
QmQA5mdxru8Bh6dpC9PJfSkumqnmHgJX7knxSgBo5Lpime /home/user/go/src/github.com/libp2p/go-libp2p
QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52 /home/user/go/src/github.com/ipfs/go-log
QmVGtdTZdTFaLsaj2RwdVG8jcjNNcp1DE914DKZ2kHmXHw /home/user/go/src/github.com/multiformats/go-multihash

> gx-go link -r QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52
unlinked QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52 /home/user/go/src/github.com/ipfs/go-log

> gx-go link
QmQA5mdxru8Bh6dpC9PJfSkumqnmHgJX7knxSgBo5Lpime /home/user/go/src/github.com/libp2p/go-libp2p
QmVGtdTZdTFaLsaj2RwdVG8jcjNNcp1DE914DKZ2kHmXHw /home/user/go/src/github.com/multiformats/go-multihash

> gx-go link -r -a
unlinked QmQA5mdxru8Bh6dpC9PJfSkumqnmHgJX7knxSgBo5Lpime /home/user/go/src/github.com/libp2p/go-libp2p
unlinked QmVGtdTZdTFaLsaj2RwdVG8jcjNNcp1DE914DKZ2kHmXHw /home/user/go/src/github.com/multiformats/go-multihash

> gx-go link
ghost commented 7 years ago

Note this doesn't use the vendor/ directory because that would only establish a partial link. Packages not below cwd would still use the original package.

One little piece of sugar I'd like added in the future is the ability to use package names instead of hashes. This would work when in a package directory, and would read the hash from the package's dependencies.

magik6k commented 7 years ago

Works well, but when first trying to use, I accidentally copy-pasted whole import path (like gx/ipfs/Qmb3Hm9QDFmfYuET4pu7Kyg8JV78jFa1nvZx5vnCZsK4ck/go-ipld-format) and got ERROR: Error: error during gx get: exit status 1 which didn't really say anything about why that happened. I can see it happening more often, so having at least a better error message here would be nice.