Chloe Zhang
Plastic SCM is a multiplatform version control system that supports Windows, Linux, and macOS. It offers a range of features, including diff tools, that make a developer's life easier. The diff tool in Plastic SCM allows you to compare changes made to a file or directory. When you right-click on any changeset, you can select the diff option to open your system's diff tool and view the differences between the changeset and the current state. Additionally, Plastic SCM supports external diff tools, such as Beyond Compare, which can be useful for comparing specific file types that are not supported by the built-in diff tool.
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What You'll Learn
Diff tool comparisons
Plastic SCM is a full version control stack with strong branching and merging capabilities. It comes with a powerful built-in diff tool that allows developers to diff refactored code with the new built-in semantic diff and the "analyse refactors" feature. This feature can find refactored code across files for C#/Vb.net, Java and C.
However, there may be times when developers want to use their preferred external diff tool to compare binary files of any type of their choice. For example, Microsoft Excel files are not supported by the built-in diff tool, but an external tool like Beyond Compare from Scooter Software can handle this.
The Xdiff/Xmerge built-in 3-way merge tool allows developers to resolve complex merge conflicts with language-agnostic refactoring support. Xdiff enables independent diffs on moved fragments, allowing developers to navigate between fragments and correctly merge code fragments in the new location.
Additionally, the "analyse differences" button in Plastic SCM calculates the lines of code being modified, providing a summary of added, changed, and deleted lines. This feature increases productivity by helping developers identify files with significant changes.
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Diff with previous
Plastic SCM is a multiplatform version control system with several features that make a developer's life easier. One of these features is the ability to do a "diff with previous", which allows you to compare changes between different versions of a file. This can be done through the built-in diff tool or by setting up an external diff tool.
The built-in diff tool in Plastic SCM is powerful and allows you to diff refactored code with the new built-in semantic diff and the "analyse refactors" feature. It can find refactored code across files for C#/Vb.net, Java and C. However, there may be times when you want to use your preferred tool to diff some binary files or file types that are not supported by the built-in tool. For example, Microsoft Excel files are not supported by the built-in diff tool, but can be handled by an external tool like Beyond Compare from Scooter Software.
To set up an external diff tool with Plastic SCM, you need to follow a few steps. First, go to Preferences -> Diff tools -> ADD in the PlasticSCM client. Then, in the Define Diff tool configuration window, insert the full path to the executable file of your chosen diff tool, along with any necessary arguments. For example, for Beyond Compare, the path would be "C:\Program Files\Beyond Compare\BCompare.exe" @sourcefile @destinationfile. Next, choose "Use this tool for files with extension:" and select the appropriate file extension, such as .xlsx for Excel files. Finally, push "Apply & OK" to close the window and place the external diff tool at the top of the list.
Once the external diff tool is set up, you can use it to compare different versions of files by marking the files in the PlasticSCM client items view and doing a "diff with previous" or "diff" with any other revision. The external diff tool will then open and display the differences between the two versions of the file. This allows developers to easily visualise and understand the changes that have been made, facilitating collaboration and version control.
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Diff refactored code
Code refactoring is the process of improving or updating code without changing its functionality or external behaviour. It is a way to clean up code, making it more efficient and easier to understand and maintain. Refactoring can involve small changes, such as renaming variables or extracting code fragments into new methods or functions, but it is important as it can help to avoid errors and issues like duplicate code or unhealthy dependencies.
Plastic SCM's diff feature allows developers to see the difference between a changeset and the current state of the code. This is particularly useful when refactoring, as it can be difficult to track all the individual changes made, especially when moving a lot of code. The diff tool can highlight modifications, such as a print statement added during debugging, making it easier to understand code changes and spot any unintended alterations.
The built-in semantic diff feature in Plastic SCM also includes the "analyze refactors" functionality, which can find refactored code across files for C#/Vb.net, Java, and C. This makes it easier to review and validate code changes, ensuring that the logic changes are correct, while the CI can validate code style.
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Diff with other revisions
Plastic SCM is a multiplatform version control system with a built-in diff tool. This allows users to compare different versions of files and view the changes between them. The diff tool can be used to compare the current state of a file with a previous version or changeset.
The diff tool in Plastic SCM has several features that make it a powerful option for developers. It supports language-agnostic refactoring, allowing users to diff refactored code across files for various programming languages, including C#/Vb.net, Java, and C. Additionally, it includes the SemanticMerge product, enabling code-aware merges and providing full semantic merge capabilities.
While Plastic SCM comes with its own diff tool, users also have the option to set up an external diff tool to work with Plastic SCM. This can be useful when dealing with binary files or specific file types that are not supported by the built-in diff tool. For example, Microsoft Excel files can be compared using an external tool like Beyond Compare, which is a dedicated file comparison tool.
To set up an external diff tool with Plastic SCM, users can follow these general steps: navigate to the preferences or settings within Plastic SCM, add a new diff tool, provide the full path to the external diff tool's executable file, specify the file extensions or types that the tool should be used for, and save the configuration. Once configured, users can select the "diff with previous" or "diff" option to compare revisions within Plastic SCM using the external diff tool.
The ability to use either the built-in or an external diff tool provides flexibility and customization to meet the specific needs of developers and their projects. Whether utilizing the powerful features of Plastic SCM's diff tool or integrating a preferred external tool, users can effectively manage and compare different revisions of their files.
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Diff with built-in tool
Plastic SCM is a multiplatform version control system with a range of features that make a developer's life easier. One of its key features is its ability to handle large code bases and complex merge conflicts. This is facilitated by its built-in diff tool, which allows users to compare different versions of files and identify changes.
The diff tool in Plastic SCM is powerful and can detect changes made to files, directories, and even when files are moved or renamed. This transparent SCM allows developers to focus on their work without worrying about version control until it is necessary. When using the diff tool, users can take advantage of the "analyze refactors" feature, which enables them to diff refactored code across files for C#/Vb.net, Java, and C.
One example of using the diff tool is when comparing two different revisions of a file. By right-clicking on a changeset, users can select the "diff" option in the context menu. This will open the diff tool and show the differences between the selected changeset and the current state of the file. This makes it easy to identify and review changes made over time.
Additionally, Plastic SCM offers the ability to set up an external diff tool if desired. While the built-in diff tool is robust, there may be times when developers prefer to use their own tools for specific file types. For example, Microsoft Excel files are not supported by the default diff tool, but an external tool like Beyond Compare can handle these comparisons. Setting up an external diff tool involves configuring the tool's path and arguments in the PlasticSCM client preferences, allowing users to seamlessly integrate their preferred tools into their workflow.
Overall, the diff functionality in Plastic SCM, backed by its built-in and external diff tools, provides a versatile and powerful solution for version control and comparison of file changes. It empowers developers to efficiently manage and review their codebases, contributing to more effective development workflows.
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Frequently asked questions
Plastic SCM is a multiplatform version control system. It supports Windows, Linux, and macOS.
"Diff" in Plastic SCM refers to the process of comparing changes made to a file or directory. It allows you to see the differences between different versions of a file.
To use the "diff" feature in Plastic SCM, you can right-click on any changeset and select the "diff" option from the context menu. This will open your system's diff tool and show you the differences between the selected changeset and the current state of the file.
