docs: improve GitLab installation instruction

[chapeupreto]

User description

This commit adds a missing export instruction that is required mainly for self-hosted GitLab installations.

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PR Type

Documentation, Enhancement

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Description

• Added a missing export instruction for gitlab__url variable, which is crucial for self-hosted GitLab installations
• Updated the CI configuration to include the new gitlab__url export
• Improved formatting and whitespace consistency in the documentation
• Enhanced the GitLab installation instructions for better clarity

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Changes walkthrough 📝

	Relevant files
Documentation	gitlab.md Enhance GitLab installation guide and CI configuration      docs/docs/installation/gitlab.md Added export instruction for gitlab__url variable Improved formatting and whitespace consistency Updated GitLab installation instructions +4/-3

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[qodo-merge-pro]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🏅 Score: 95

🧪 No relevant tests

🔒 No security concerns identified

🔀 No multiple PR themes

⚡ No key issues to review

[qodo-merge-pro]

PR Code Suggestions ✨

Category	Suggestion	Score
Possible issue	Add error handling for potentially unset CI variables Consider adding error handling for the case where CI_SERVER_PROTOCOL or CI_SERVER_FQDN might be unset. This can prevent potential issues if these variables are not available in certain CI/CD environments. docs/docs/installation/gitlab.md [19] +- if [ -z "$CI_SERVER_PROTOCOL" ] || [ -z "$CI_SERVER_FQDN" ]; then +- echo "Error: CI_SERVER_PROTOCOL or CI_SERVER_FQDN is not set" +- exit 1 +- fi - export gitlab__url=$CI_SERVER_PROTOCOL://$CI_SERVER_FQDN Apply this suggestion Suggestion importance[1-10]: 8 Why: This suggestion addresses a potential issue by adding error handling, which can prevent runtime errors in certain CI/CD environments.	8
Organization best practice	Rename the environment variable to follow a more standard naming convention Consider using a more descriptive name for the gitlab__url variable. The double underscore naming convention is typically used for special purposes in Python, and might be confusing in this context. A name like GITLAB_SERVER_URL would be more clear and consistent with the naming of other variables. docs/docs/installation/gitlab.md [19] -- export gitlab__url=$CI_SERVER_PROTOCOL://$CI_SERVER_FQDN +- export GITLAB_SERVER_URL=$CI_SERVER_PROTOCOL://$CI_SERVER_FQDN Apply this suggestion Suggestion importance[1-10]: 7 Why: The suggestion improves code readability by proposing a more standard naming convention, which is beneficial for maintainability.	7
Enhancement	Add a comment to explain the purpose of the new environment variable Consider adding a comment explaining the purpose of the GITLAB_SERVER_URL (or gitlab__url) variable. This will help users understand why this variable is being set and how it's used in the context of the PR Agent. docs/docs/installation/gitlab.md [19] +# Set the GitLab server URL for PR Agent to interact with the GitLab instance - export gitlab__url=$CI_SERVER_PROTOCOL://$CI_SERVER_FQDN Apply this suggestion Suggestion importance[1-10]: 6 Why: Adding a comment improves code documentation, making it easier for others to understand the purpose of the variable.	6
Maintainability	Group related environment variable exports together for better organization Consider grouping related environment variable exports together. Move the gitlab__PERSONAL_ACCESS_TOKEN export next to the gitlab__url export for better organization and readability. docs/docs/installation/gitlab.md [19-21] +- export gitlab__url=$CI_SERVER_PROTOCOL://$CI_SERVER_FQDN +- export gitlab__PERSONAL_ACCESS_TOKEN=$GITLAB_PERSONAL_ACCESS_TOKEN +- export config__git_provider="gitlab" - Apply this suggestion Suggestion importance[1-10]: 5 Why: The suggestion improves code organization, but the current order already groups GitLab-related variables together.	5

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[mrT23]

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