1# Test that go.sum does not get updated when -mod=readonly flag is set
2env GO111MODULE=on
3
4# When a sum is needed to load the build list, we get an error for the
5# specific module. The .mod file is not downloaded, and go.sum is not written.
6! go list -m all
7stderr '^go: rsc.io/quote@v1.5.2: missing go.sum entry for go.mod file; to add it:\n\tgo mod download rsc.io/quote$'
8! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
9! exists go.sum
10
11# If go.sum exists but contains hashes from an algorithm we don't know about,
12# we should see the same error.
13cp go.sum.h2only go.sum
14! go list -m all
15stderr '^go: rsc.io/quote@v1.5.2: missing go.sum entry for go.mod file; to add it:\n\tgo mod download rsc.io/quote$'
16! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
17cmp go.sum go.sum.h2only
18rm go.sum
19
20# If we replace a module, we should see a missing sum error for the replacement.
21cp go.mod go.mod.orig
22go mod edit -replace rsc.io/quote@v1.5.2=rsc.io/quote@v1.5.1
23! go list -m all
24stderr '^go: rsc.io/quote@v1.5.2 \(replaced by rsc.io/quote@v1.5.1\): missing go.sum entry for go.mod file; to add it:\n\tgo mod download rsc.io/quote$'
25! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.1.mod
26! exists go.sum
27cp go.mod.orig go.mod
28
29# Control: when sums are present, loading the build list downloads .mod files.
30cp go.sum.buildlistonly go.sum
31go list -m all
32exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
33
34
35# When a sum is needed to load a .mod file for a package outside the build list,
36# we get a generic missing import error.
37! go list example.com/doesnotexist
38stderr '^no required module provides package example.com/doesnotexist; to add it:\n\tgo get example.com/doesnotexist$'
39
40# When a sum is needed to load a .zip file, we get a more specific error.
41# The .zip file is not downloaded.
42! go list rsc.io/quote
43stderr '^missing go.sum entry for module providing package rsc.io/quote; to add:\n\tgo mod download rsc.io/quote$'
44! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.zip
45
46# The error is attached to the package from the missing module. We can load
47# a package that imports it without that error.
48go list -e -deps -f '{{.ImportPath}}{{with .Error}} {{.Err}}{{end}}' .
49stdout '^m$'
50stdout '^rsc.io/quote missing go.sum entry for module providing package rsc.io/quote \(imported by m\); to add:\n\tgo get m$'
51! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.zip
52
53# go.sum should not have been written.
54cmp go.sum go.sum.buildlistonly
55
56# Control: when sums are present, 'go list' downloads .zip files.
57cp go.sum.tidy go.sum
58go list .
59exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.zip
60
61-- go.mod --
62module m
63
64go 1.15
65
66require rsc.io/quote v1.5.2
67-- use.go --
68package use
69
70import _ "rsc.io/quote"
71-- go.sum.h2only --
72golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h2:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
73rsc.io/quote v1.5.2/go.mod h2:LzX7hefJvL54yjefDEDHNONDjII0t9xZLPXsUe+TKr0=
74rsc.io/sampler v1.3.0/go.mod h2:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
75-- go.sum.buildlistonly --
76golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
77rsc.io/quote v1.5.2/go.mod h1:LzX7hefJvL54yjefDEDHNONDjII0t9xZLPXsUe+TKr0=
78rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
79-- go.sum.tidy --
80golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c h1:pvCbr/wm8HzDD3fVywevekufpn6tCGPY3spdHeZJEsw=
81golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
82rsc.io/quote v1.5.2 h1:3fEykkD9k7lYzXqCYrwGAf7iNhbk4yCjHmKBN9td4L0=
83rsc.io/quote v1.5.2/go.mod h1:LzX7hefJvL54yjefDEDHNONDjII0t9xZLPXsUe+TKr0=
84rsc.io/sampler v1.3.0 h1:HLGR/BgEtI3r0uymSP/nl2uPLsUnNJX8toRyhfpBTII=
85rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
86rsc.io/testonly v1.0.0 h1:K/VWHdO+Jv7woUXG0GzVNx1czBXUt3Ib1deaMn+xk64=
87rsc.io/testonly v1.0.0/go.mod h1:OqmGbIFOcF+XrFReLOGZ6BhMM7uMBiQwZsyNmh74SzY=
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