| env GO111MODULE=on |
| |
| cd $WORK |
| |
| # An import provided by two different modules should be flagged as an error. |
| ! go build ./importx |
| stderr '^importx[/\\]importx.go:2:8: ambiguous import: found package example.com/a/x in multiple modules:\n\texample.com/a v0.1.0 \('$WORK'[/\\]a[/\\]x\)\n\texample.com/a/x v0.1.0 \('$WORK'[/\\]ax\)$' |
| |
| # However, it should not be an error if that import is unused. |
| go build ./importy |
| |
| # An import provided by both the main module and the vendor directory |
| # should be flagged as an error only when -mod=vendor is set. |
| mkdir vendor/example.com/m/importy |
| cp $WORK/importy/importy.go vendor/example.com/m/importy/importy.go |
| go build example.com/m/importy |
| ! go build -mod=vendor example.com/m/importy |
| stderr '^ambiguous import: found package example.com/m/importy in multiple directories:\n\t'$WORK'[/\\]importy\n\t'$WORK'[/\\]vendor[/\\]example.com[/\\]m[/\\]importy$' |
| |
| -- $WORK/go.mod -- |
| module example.com/m |
| go 1.13 |
| require ( |
| example.com/a v0.1.0 |
| example.com/a/x v0.1.0 |
| ) |
| replace ( |
| example.com/a v0.1.0 => ./a |
| example.com/a/x v0.1.0 => ./ax |
| ) |
| -- $WORK/importx/importx.go -- |
| package importx |
| import _ "example.com/a/x" |
| -- $WORK/importy/importy.go -- |
| package importy |
| import _ "example.com/a/y" |
| -- $WORK/a/go.mod -- |
| module example.com/a |
| go 1.14 |
| -- $WORK/a/x/x.go -- |
| package x |
| -- $WORK/a/y/y.go -- |
| package y |
| -- $WORK/ax/go.mod -- |
| module example.com/a/x |
| go 1.14 |
| -- $WORK/ax/x.go -- |
| package x |
