env GO111MODULE=on
env GOPROXY=direct
env GOSUMDB=off

# Testing that a pseudo-version is based on the semantically-latest
# prefixed tag in any commit that is a parent of the commit supplied
# to 'go get', when using a repo with go.mod in a sub directory.

[short] skip
[!git] skip

# For this test repository go.mod resides in sub/ (only):
#  master is not tagged
#  tag v0.2.0 is most recent tag before master

        GONOPROXY=""
        GONOSUMDB=""
        GOOS="darwin"
        GOPATH="/Users/gopher/go"
        GOPRIVATE=""
        GOPROXY="https://proxy.golang.org,direct"
        GOROOT="/usr/local/go"
        GOSUMDB="sum.golang.org"
        GOTMPDIR=""
        GOTOOLDIR="/usr/local/go/pkg/tool/darwin_arm64"
        GOVCS=""
        GOVERSION="go1.20.7"
        GCCGO="gccgo"
        AR="ar"
        CC="clang"

env GO111MODULE=on
env GOSUMDB=off

go mod download example.com/join@v1.1.0

# If the proxy serves a bogus result for the @latest version,
# reading that version should cause 'go get' to fail.
env GOPROXY=file:///$WORK/badproxy
cp go.mod.orig go.mod
! go get example.com/join/subpkg
stderr 'go: example.com/join/subpkg@v0.0.0-20190624000000-123456abcdef: .*'

# If @v/list is empty, the 'go' command should still try to resolve
# other module paths.

# the sum. Verifies #44749.

# With a tidy go.sum, go build succeeds. This also populates the module cache.
cp go.sum.tidy go.sum
go build -n use
env GOPROXY=off
env GOSUMDB=off

# Control case: if we delete the hash for rsc.io/quote v1.5.2,
# 'go build' reports an error. 'go get' adds the sum.
cp go.sum.bug go.sum
! go build -n use

# but has no /@latest (410) because the go.mod at the tip of the default
# branch has a different major version suffix.
env testproxy=$GOPROXY
env GOPROXY=file:///$WORK/proxy
env GOSUMDB=off

# If the proxy does not return a list of versions (404/410)
# or a latest version (404/410), we should see no error.
go list -m example.com/noversion
stdout '^example.com/noversion v0.0.0$'

env GO111MODULE=on

# Testing git->module converter's generation of +incompatible tags; turn off proxy.
[!net:github.com] skip
[!git] skip
env GOPROXY=direct
env GOSUMDB=off

# We can resolve the @master branch without unshallowing the local repository
# (even with older gits), so try that before we do anything else.
# (This replicates https://golang.org/issue/26713 with git 2.7.4.)
go get github.com/rsc/legacytest@master
go list -m all

# @latest, @upgrade, and @patch should prefer compatible versions over
# +incompatible ones, even if offered by a proxy.

[!net:github.com] skip
[!net:proxy.golang.org] skip

env GO111MODULE=on
env GOPROXY=
env GOSUMDB=

# github.com/russross/blackfriday v2.0.0+incompatible exists,
# and should be resolved if we ask for it explicitly.

go list -m github.com/russross/blackfriday@v2.0.0+incompatible

# When converting a commit to a pseudo-version, don't use a retracted version
# as the base.
# Verifies golang.org/issue/41700.

[short] skip
[!git] skip
env GOPROXY=direct
env GOSUMDB=off
go mod init m

# Control: check that v1.0.0 is the only version and is retracted.
go list -m -versions vcs-test.golang.org/git/retract-pseudo.git
stdout '^vcs-test.golang.org/git/retract-pseudo.git$'

	# TODO(#54043): Make this test hermetic and re-enable it.

[!net:gopkg.in] skip
[!git] skip

env GO111MODULE=on
env GOPROXY=direct
env GOSUMDB=off
env GOFLAGS=-mod=mod

# Replacing gopkg.in/[…].vN with a repository with a root go.mod file
# specifying […].vN and a compatible version should succeed, even if
# the replacement path is not a gopkg.in path.
cd 4-to-4

		}
		if *debugZipSum {
			fmt.Fprintf(os.Stderr, "TestZipSums: modCacheDir: %s\n", tmpDir)
		} else {
			defer os.RemoveAll(tmpDir)
		}
		cfg.BuildContext.GOPATH = tmpDir
	}

	cfg.GOPROXY = "direct"
	cfg.GOSUMDB = "off"
	modload.Init()

	// Shard tests by downloading only every nth module when shard flags are set.
	// This makes it easier to test small groups of modules quickly. We avoid