https://github.com/nh2/lambdabot-zulip

Lambdabot for Zulip Chat
https://github.com/nh2/lambdabot-zulip

haskell zulip-bot

Last synced: 2 months ago
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Lambdabot for Zulip Chat

• Host: GitHub
• URL: https://github.com/nh2/lambdabot-zulip
• Owner: nh2
• Created: 2018-11-20T17:26:37.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2018-12-20T22:13:26.000Z (about 6 years ago)
• Last Synced: 2024-09-17T06:24:37.056Z (4 months ago)
• Topics: haskell, zulip-bot
• Language: Haskell
• Homepage:
• Size: 14.6 KB
• Stars: 6
• Watchers: 3
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md

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README

        
# lambdabot-zulip

A [`lambdabot`](https://wiki.haskell.org/Lambdabot)-like bot for [Zulip](https://zulipchat.com/).

Can evaluate Haskell expressions and show their types.

### Screenshot

![Screenshot of the bot in action](images/evaluation-screenshot.png)

## Usage

Run the `lambdabot-zulip-server` executable to start the bot.

It reads a `settings.yaml` in the working directory (or passed via command line).

See [`example-settings/settings.yaml`](example-settings/settings.yaml) for an example.

You have to provide Zulip API credentials, and streams (channels) the bot should be active on.

## Systemd unit

For the simple case that you want to run this in a small throwaway VM server as `root`, here's a systemd unit file.

It assumes that you have the repo cloned at `/root/lamdabot-zulip` and did `stack build` in there.

Put this into `/etc/systemd/system/lambdabot-zulip-server.service`:

```

[Unit]

Description=Lambdabot Zulip server

After=syslog.target network.target

StartLimitIntervalSec=0

[Service]

ExecStart=/usr/local/bin/stack "exec" "lamdabot-zulip-server"

WorkingDirectory=/root/lambdabot-zulip

Restart=always

Environment="HOME=/root"

MemoryMax=1G

[Install]

WantedBy=multi-user.target

```

Note that you can't `ExecStart` the executable directly due to https://github.com/gwern/mueval/issues/16#issuecomment-448707773.

To load the service and have it start at boot:

```

systemctl daemon-reload

systemctl enable lambdabot-zulip-server

systemctl start lambdabot-zulip-server

```