question
For new springboot projects, project developers often delete (1).mvn (2) .gitignore (3) HELP.md (4) mvnw (5) mvnw.cmd files, what are these files, what are they for, and the possibility of deletion what are the consequences
detailed question
what are these files
1. .mvn folder: This is where the Maven Wrapper is stored, used to run Maven projects without installing Maven globally.
2. .gitignore file: used to specify files and directories that should be ignored by the Git version control system.
3. HELP.md file: A file in Markdown format, usually containing help information, instructions and guidelines for the project.
4. mvnw file: Maven Wrapper executable script (Unix/Linux system), used to run Maven commands in the project.
5. mvnw.cmd file: Maven Wrapper executable script (Windows system), used to run Maven commands in the project.
what are these files for
1. .mvn folder: This is where the Maven Wrapper is stored. Maven Wrapper is a wrapper tool for running Maven projects on systems that do not have Maven pre-installed. It contains a script to download and install a specific Maven version.
2. .gitignore file: Git is a version control system used to track code changes in the project. The .gitignore file is used to specify files and directories that should be ignored by Git to prevent them from being added to version control. This file usually contains some automatically generated files, compiled output, temporary files, etc.
3. HELP.md file: This is a Markdown file containing project help information. Usually, this file will provide project overview, configuration instructions, operation guide and other information, so that other developers can understand and use the project.
4. mvnw file: This is the executable script of Maven Wrapper (Unix/Linux system). It allows running Maven projects without a global Maven installation. Running the mvnw script will automatically download and use the specified version of Maven to perform operations such as project construction and testing.
5. mvnw.cmd file: This is the executable script of Maven Wrapper (Windows system). Similar to the mvnw script above, it also allows running Maven projects without a global Maven installation, but for the command line environment on Windows systems.
What are the possible consequences of deleting
1. .mvn folder: Deleting this folder will make it impossible to use Maven Wrapper to automatically download and manage a specific version of Maven. Developers must manually install and configure Maven globally, or use other build tools instead of Maven.
2. .gitignore file: Deleting the .gitignore file may cause some files and directories that should not be version controlled to be included in version control, such as compilation output, temporary files, etc. This increases the size of the code base and clutters version control.
3. HELP.md file: Deleting the HELP.md file will make it difficult for other developers to obtain relevant information about the project, reducing the maintainability and comprehensibility of the project. Important information such as project descriptions, configuration guides, etc. will no longer be available.
4. mvnw file and mvnw.cmd file: Deleting these two files will make it impossible to use Maven Wrapper to run Maven commands. Developers will not be able to quickly perform builds, tests, and other Maven-related operations using the provided scripts.
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