1# Confirm our build list.
2cp go.sum.buildlist-only go.sum
3go list -m all
4stdout '^example.com/ambiguous/a v1.0.0$'
5stdout '^example.com/ambiguous/a/b v0.0.0-empty$'
6
7# If two modules could provide a package, but only one does,
8# 'go mod tidy' should retain sums for both zips.
9go mod tidy
10grep '^example.com/ambiguous/a v1.0.0 h1:' go.sum
11grep '^example.com/ambiguous/a/b v0.0.0-empty h1:' go.sum
12
13# 'go mod download' should also add sums.
14cp go.sum.buildlist-only go.sum
15go mod download example.com/ambiguous/a
16grep '^example.com/ambiguous/a v1.0.0 h1:' go.sum
17! grep '^example.com/ambiguous/a/b v0.0.0-empty h1:' go.sum
18go mod download example.com/ambiguous/a/b
19grep '^example.com/ambiguous/a/b v0.0.0-empty h1:' go.sum
20
21# If two modules could provide a package, and we're missing a sum for one,
22# we should see a missing sum error, even if we have a sum for a module that
23# provides the package.
24cp go.sum.a-only go.sum
25! go list example.com/ambiguous/a/b
26stderr '^missing go.sum entry needed to verify package example.com/ambiguous/a/b is provided by exactly one module; to add:\n\tgo mod download example.com/ambiguous/a/b$'
27! go list -deps .
28stderr '^use.go:3:8: missing go.sum entry needed to verify package example.com/ambiguous/a/b \(imported by m\) is provided by exactly one module; to add:\n\tgo get m$'
29
30cp go.sum.b-only go.sum
31! go list example.com/ambiguous/a/b
32stderr '^missing go.sum entry for module providing package example.com/ambiguous/a/b; to add:\n\tgo mod download example.com/ambiguous/a$'
33! go list -deps .
34stderr '^use.go:3:8: missing go.sum entry for module providing package example.com/ambiguous/a/b \(imported by m\); to add:\n\tgo get m$'
35
36cp go.sum.buildlist-only go.sum
37! go list example.com/ambiguous/a/b
38stderr '^missing go.sum entry for module providing package example.com/ambiguous/a/b; to add:\n\tgo mod download example.com/ambiguous/a example.com/ambiguous/a/b$'
39! go list -deps .
40stderr '^use.go:3:8: missing go.sum entry for module providing package example.com/ambiguous/a/b \(imported by m\); to add:\n\tgo get m$'
41
42-- go.mod --
43module m
44
45go 1.15
46
47require example.com/ambiguous/a v1.0.0
48-- go.sum.buildlist-only --
49example.com/ambiguous/a v1.0.0/go.mod h1:TrBl/3xTPFJ2gmMIYz53h2gkNtg0dokszEMuyS1QEb0=
50example.com/ambiguous/a/b v0.0.0-empty/go.mod h1:MajJq5jPEBnnXP+NTWIeXX7kwaPS1sbVEJdooTmsePQ=
51-- go.sum.a-only --
52example.com/ambiguous/a v1.0.0 h1:pGZhTXy6+titE2rNfwHwJykSjXDR4plO52PfZrBM0T8=
53example.com/ambiguous/a v1.0.0/go.mod h1:TrBl/3xTPFJ2gmMIYz53h2gkNtg0dokszEMuyS1QEb0=
54example.com/ambiguous/a/b v0.0.0-empty/go.mod h1:MajJq5jPEBnnXP+NTWIeXX7kwaPS1sbVEJdooTmsePQ=
55-- go.sum.b-only --
56example.com/ambiguous/a v1.0.0/go.mod h1:TrBl/3xTPFJ2gmMIYz53h2gkNtg0dokszEMuyS1QEb0=
57example.com/ambiguous/a/b v0.0.0-empty h1:xS29ReXXuhjT7jc79mo91h/PevaZ2oS9PciF1DucXtg=
58example.com/ambiguous/a/b v0.0.0-empty/go.mod h1:MajJq5jPEBnnXP+NTWIeXX7kwaPS1sbVEJdooTmsePQ=
59-- use.go --
60package use
61
62import _ "example.com/ambiguous/a/b"
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