GitHub - nikolaydubina/go-recipes: Handy commands to run in Go projects
source link: https://github.com/nikolaydubina/go-recipes
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Go recipes 
Handy commands to run in Go projects
Find Go versions of upstream modules
Use this when upgrading version of Go or finding old modules.
$ go list -deps -json ./... | jq -rc 'select(.Standard!=true and .Module.GoVersion!=null) | [.Module.GoVersion,.Module.Path] | join(" ")' | sort -V | uniq
1.14 github.com/grpc-ecosystem/go-grpc-middleware
1.14 github.com/grpc-ecosystem/grpc-gateway
1.14 go.uber.org/multierr
1.15 gopkg.in/yaml.v2
1.16 github.com/deliveryhero/pd-ersatz/sts
1.16 github.com/deliveryhero/pd-pablo-payment-gateway
...Find upstream modules without Go version
Use this to find outdated modules or imports that you need to upgrade
$ go list -deps -json ./... | jq -rc 'select(.Standard!=true and .Module.GoVersion==null) | .Module.Path' | sort -u github.com/DataDog/datadog-go github.com/ajg/form github.com/davecgh/go-spew github.com/dgrijalva/jwt-go github.com/facebookgo/clock ...
Make histogram of Go files per package
Use this to see when package is too big or too small. Adjust histogram length to maximum value.
$ go list -json ./... | jq -rc '[.ImportPath, (.GoFiles | length | tostring)] | join(" ")' | perl -lane 'print (" " x (20 - $F[1]), "=" x $F[1], " ", $F[1], "\t", $F[0])'
================== 18 github.com/gin-gonic/gin
============= 13 github.com/gin-gonic/gin/binding
= 1 github.com/gin-gonic/gin/ginS
= 1 github.com/gin-gonic/gin/internal/bytesconv
= 1 github.com/gin-gonic/gin/internal/json
=========== 11 github.com/gin-gonic/gin/renderFind packages without tests
If code coverage does not report packages without tests. This should be fast and good for CI.
$ go list -json ./... | jq -rc 'select((.TestGoFiles | length)==0) | .ImportPath' github.com/gin-gonic/gin/ginS github.com/gin-gonic/gin/internal/json
Make graph of upstream packages
Use to find unexpected dependencies, visualize project. Works best for small number of packages, for large projects use
grepto narrow down subgraph. Without-depsonly for current module.
$ go list -deps -json ./... | jq -c 'select(.Standard!=true) | {from: .ImportPath, to: .Imports[]}' | jsonl-graph | dot -Tsvg > package-graph.svgScrape details about upstream modules and make graph
Use to find low quality, unmaintained dependencies.
$ go mod graph | import-graph -i=gomod | jsonl-graph -color-scheme=file://$PWD/basic.json | dot -Tsvg > output.svg
Prerequisites
# get https://graphviz.org/download/ # get https://stedolan.github.io/jq/download/ $ go install github.com/nikolaydubina/jsonl-graph@latest $ go install github.com/nikolaydubina/import-graph@latest $ go mod download
Contributions
.. are welcomed! 
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