How does gitlab specify that a folder is not allowed to be synchronized?

In GitLab, we can use GitLab CI/CD to automate building, testing and deploying code. Normally, we would like to synchronize all files to GitLab CI/CD so that they can be tested and deployed.

However, in some cases, you may want to disable synchronization of certain folders or files. This article will introduce how to specify that a folder is not allowed to be synchronized in GitLab.

First, you need to create a file named ".gitlab-ci.yml" in GitLab. This file is responsible for defining your project's CI/CD pipeline and specifying how your code will be built, tested, and deployed.

Next, you need to use the "ignore" keyword in the ".gitlab-ci.yml" file to specify the folders that do not need to be synchronized. For example, if you wish to disable synchronization of a folder named "docs", you can add the following code in the ".gitlab-ci.yml" file:

rsync:
  script:
    - rsync -avz --exclude 'docs/' $CI_PROJECT_DIR/ user@example.com:/var/www/html/

In this code, "rsync" is a The command used to sync files, "$CI_PROJECT_DIR" points to the root directory of the project, "user@example.com" is your server address, and "/var/www/html/" is the target folder you want to sync to. Among them, "--exclude' docs/'" indicates to exclude all files in the "docs" folder.

In addition to using the "ignore" keyword, you can also use some other options to specify files or folders that do not need to be synchronized. For example, the "exclude_files" keyword can be used to specify a list of files to exclude:

rsync:
  script:
    - rsync -avz --exclude-from 'exclude_list.txt' $CI_PROJECT_DIR/ user@example.com:/var/www/html/

In this code, "--exclude-from" indicates to use a file named "exclude_list.txt" as the exclude list .

In addition, you can also use GitLab CI/CD's file filter to exclude files that do not need to be synchronized. For example, if you wish to exclude all files with the extension ".tmp" and ".log", you can add the following code in the ".gitlab-ci.yml" file:

rsync:
  script:
    - rsync -avz $CI_PROJECT_DIR/ user@example.com:/var/www/html/ | grep -vE '\.(tmp|log)$' | tee /tmp/rsync.log

In this example , the "grep" command is used to filter all files with the extension ".tmp" and ".log", and the "tee" command is used to output the filtered output to the screen and the /tmp/rsync.log file simultaneously.

In short, it is very simple to specify the folders or files that do not need to be synchronized in GitLab. You can do this using the "ignore" keyword, file filters, or exclude lists. No matter which method you choose, you can easily control which files and folders are synchronized, optimizing the efficiency of your CI/CD pipeline.

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