gitui-org/gitui

show newer commits if on detached head

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#1,964 创建于 2023年11月27日

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feature-requestgood first issue

描述

Right now the log starts from HEAD - no matter if that's a tip of a branch or not.

For #81 we need to do the revwalk from every tip and come up with a smart data structure that allows us to draw the correct graph without storing the whole graph in memory.

Before tackling #81 we can at least determine if we are on a detached head and then iterate the branches whether one is a descendent of our current HEAD and then start from the branch tip and visualize where HEAD is in the log.

贡献者指南

技术栈
rust
领域
cli
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
4
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-2 days
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
Rustgit internalslibgit2
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
30
研究方向
The issue requires modifying the log display to start from the branch tip when HEAD is detached. First, examine the current log implementation in the repository, likely in the 'log' or 'graph' module. Use the libgit2 function `git graph descendant of` to check if any branch tip is a descendant of the current HEAD (detached). Then adjust the revision walk to start from that branch tip and show where HEAD is in the log. Refer to issue #81 for context on the desired data structure for graph drawing. The implementation should not store the full graph in memory but use a smart approach. There are no linked PRs or comments, so this is open for contribution.