unisonweb/unison

Built-ins to get and set file permissions

Open

#2,790 创建于 2022年1月10日

在 GitHub 查看
 (0 评论) (0 反应) (0 负责人)Haskell (6,624 star) (304 fork)batch import
feature: new builtinhelp wanted

描述

It is currently not possible to query or modify the permissions of a file or directory from Unison. Support for these functions would need a native implementation.

My use-case: In dhall-unison I'd like to check if the cache directories are readable and writeable. As a "workaround" I always attempt to read/write files and handle errors appropriately

See also this discussion on Slack https://unisonlanguage.slack.com/archives/CLUNF0J5S/p1641645307009800

贡献者指南

技术栈
无
领域
backenddeveloper experience
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。
over 1 week
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
Unison knowledgeHaskell experience
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。
20
研究方向
Explore existing native built in implementations in the Unison codebase to understand the pattern. Look at how similar file system functions are implemented. Review the Slack discussion for additional context on requirements. The implementation will likely involve adding new primitives in the runtime (Haskell) and exposing them in the Unison standard library.