feat: improve step.Script variables references validation message

[chengjoey]

Changes

feat: #8265

Scripts are often long and hard to read. When checking variable references, put non-existent variables before the message to make it easier to read.

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Release Notes

improve step.Script variables references validation message

[chengjoey]

/kind feature

[chengjoey]

/test check-pr-has-kind-label

[tekton-robot]

@chengjoey: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test pull-tekton-pipeline-alpha-integration-tests
• /test pull-tekton-pipeline-beta-integration-tests
• /test pull-tekton-pipeline-build-tests
• /test pull-tekton-pipeline-integration-tests
• /test pull-tekton-pipeline-unit-tests

The following commands are available to trigger optional jobs:

• /test pull-tekton-pipeline-go-coverage

Use /test all to run all jobs.

In response to this:

/test check-pr-has-kind-label

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/substitution/substitution.go	87.0%	86.0%	-0.9

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage-df to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/substitution/substitution.go	87.0%	86.0%	-0.9

[chengjoey]

/test check-pr-has-kind-label

[tekton-robot]

@chengjoey: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test pull-tekton-pipeline-alpha-integration-tests
• /test pull-tekton-pipeline-beta-integration-tests
• /test pull-tekton-pipeline-build-tests
• /test pull-tekton-pipeline-integration-tests
• /test pull-tekton-pipeline-unit-tests

The following commands are available to trigger optional jobs:

• /test pull-tekton-pipeline-go-coverage

Use /test all to run all jobs.

In response to this:

/test check-pr-has-kind-label

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/substitution/substitution.go	87.0%	87.6%	0.6

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage-df to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/substitution/substitution.go	87.0%	87.6%	0.6

[chengjoey]

/test pull-tekton-pipeline-alpha-integration-tests

[tekton-robot]

The following Tekton test failed:

Test name	Commit	Details	Required	Rerun command
pull-tekton-pipeline-go-coverage-df	b8bd1e2	link	true	/test pull-tekton-pipeline-go-coverage-df

[vdemeester]

/retest

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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