Commit Graph Generation for Directory-Based Version Control
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Solution Overview
Problem
Existing software tools cannot automatically construct a commit graph for software projects maintained in directory-based version control systems, making it difficult for static analysis systems to analyze thousands or tens of thousands of projects efficiently.
Innovation Solution
A system that generates a commit graph for software projects in directory-based version control systems by tracing commit history backward, building a tree-structured commit graph, and performing inline recovery of merge commit information, allowing for uniform treatment of directory-based and graph-based systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If prior art software tools are used to construct a commit graph for directory-based version control systems, then manual construction can achieve accurate commit history representation, but the process is extremely time-consuming and unsuitable for analyzing thousands of projects
Solution Approach 1:
The patent creates a simplified copy of the commit graph structure by inferring parent-child relationships from directory-based version control metadata without manually reconstructing the entire graph. The system copies essential commit information and relationships automatically, enabling high-throughput analysis while maintaining accuracy.
Solution Approach 2:
The patent replaces the manual mechanical process of piecemeal commit graph construction with an automated system that uses version control metadata and naming conventions to infer commit relationships. This substitution enables batch processing of thousands of projects while maintaining the accuracy previously achievable only through manual methods.
2Loss of information
If the system queries the version control system for merge commit information before analysis, then complete merge information is obtained, but significant performance degradation occurs due to communication overhead
Solution Approach 1:
The patent performs preliminary inference of merge commit information during the commit graph construction phase by analyzing directory structure changes and commit metadata. This preliminary action captures essential merge information before the main analysis begins, avoiding the need for time-consuming queries during analysis while maintaining information completeness.
Solution Approach 2:
The patent introduces an intermediary inference mechanism that derives merge commit information from version control metadata and directory structure patterns rather than directly querying the version control system. This intermediary approach maintains information accuracy while eliminating communication overhead.
3Extent of automation
If naming conventions are strictly enforced in directory-based version control systems, then automated commit graph generation becomes feasible, but flexibility and adaptability to organizational changes are reduced
Solution Approach 1:
The patent implements dynamic naming convention detection that adapts to different organizational practices and changes over time. The system learns and adjusts to various naming patterns encountered in different projects, maintaining high automation while being flexible to organizational changes and unconventional naming schemes.
Solution Approach 2:
The patent changes the approach from strict naming convention enforcement to flexible parameter-based inference. The system adjusts its inference parameters based on observed directory structures and commit patterns, enabling automated commit graph generation across diverse projects with varying naming conventions without requiring strict enforcement.
Data Source
AI summary
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating a commit graph for a software project maintained in a version control system having a directory-based branching structure. One of the methods includes receiving data representing a commit history of a software project maintained in a version control system having a directory-based branching system in which each branch of the commit history has a respective branch directory and each revision is identified by a branch path and a revision number. The commit history is traced backward in time from a starting commit of a branch to identify an initial commit in which a branch directory for the branch was created. The commit history is then processed forward in time from the initial commit to generate a tree-structured commit graph.