gitlab-haskell

A Haskell library for the GitLab web API

This library lifts the GitLab REST API into Haskell. It supports queries about and updates to:

Branches

Commits

Groups

Issues

Jobs

Members

Merge requests

Pipelines

Projects

Repositories

Repository files

Users

Discussions

Tags

Todos

Version

Notes

Boards

The library parses JSON results into Haskell data types in the GitLab.Types module, allowing you to work with statically typed GitLab data with data types and functions that the library provides. E.g.

searchUser :: Text -> GitLab (Maybe User) userProjects :: User -> GitLab (Maybe [Project])

Example

Run all GitLab actions with runGitLab :

runGitLab :: => GitLabServerConfig -> GitLab a -> IO a

For example the following project returns all GitLab projects for the user "joe".

myProjects <- runGitLab (defaultGitLabServer { url = "https://gitlab.example.com" , token="my_token"} ) (searchUser "joe" >>= userProjects . fromJust)

This library can also be used to implement rule based GitLab file system hooks that, when deployed a GitLab server, react in real time to GitLab events like project creation, new users, merge requests etc.

The rule based API for implementing file hooks is:

receive :: [Rule] -> GitLab () class (FromJSON a) => SystemHook a where match :: String -> (a -> GitLab ()) -> Rule matchIf :: String -> (a -> GitLab Bool) -> (a -> GitLab ()) -> Rule

For more details about the file system hooks support, see post: GitLab automation with file hook rules.

For the complete gitlab-haskell API, see the hackage documentation.

An example of an application using this library is gitlab-tools , which is a command line tool for bulk GitLab transactions link.

Unsurprisingly, this library is maintained on GitLab: GitLab project.

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