# Publish a CUE module under a public GitHub repository namespace
# where `cue login` has been set up with read-write access to the namespace.
# Publish a version for this new repository with `cue mod publish`,
# and then fetch the module as a dependency via cmd/cue.

github-repo-module public
env VERSION=v0.0.1
env MODVER=${MODULE}@v0

cd publish

exec cue mod init --source self ${MODVER}
exec cue mod publish ${VERSION}

cd ../depend

env-fill out_foo.cue
exec cue mod init --source self depend.localhost
exec cue mod tidy
exec cue export
cmp stdout export.golden

# TODO(mvdan): Use another registry token without access to this private repo
# and check that they can list and fetch, but not publish, any versions.

# Trying to publish the same version again with the same contents should succeed.
cd ../publish
exec cue mod publish ${VERSION}

# Trying to publish the same version again with different contents should fail.
# TODO: Note that the error does say the repository has enabled tag immutability,
# but that error message comes from Google Cloud, not from our registry service,
# so it's not a stable string. We should give the user a short and stable error,
# and test for it here with a regular expression.
cd ../publish-different
exec cue mod init --source self ${MODVER}
! exec cue mod publish ${VERSION}
stderr 'cannot tag.*400 Bad Request'

-- publish/foo.cue --
package publish

foo: "foo value"

-- publish-different/foo.cue --
package publish

foo: "different foo value"

-- depend/out_foo.cue --
package depend

import mt "${MODVER}:publish"

out: mt.foo
-- depend/export.golden --
{
    "out": "foo value"
}