commit 60b97544152305da0ea8c21c4575ffe28ff398e8
Author: Julian Ospald <hasufell@posteo.de>
Date:   Sun May 19 01:05:23 2024 +0800

    Initial commit

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+GHCup.html
+GHCup.pdf
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+% GHCup
+% Julian Ospald
+% June 07, 2024
+
+# GHCup
+
+## Intro
+
+[Haskell Survey 2022](https://taylor.fausak.me/2022/11/18/haskell-survey-results/#s2q1)
+
+![](survey.png)
+
+## What is GHCup?
+
+```sh
+curl -s -L 'https://downloads.haskell.org/~ghc/9.6.5/ghc-9.6.5-x86_64-fedora33-linux.tar.xz' |
+  tar -xJ -C /tmp                              &&
+  cd /tmp/ghc-9.6.5-x86_64-unknown-linux/      &&
+  ./configure --prefix="$HOME/.local"          &&
+  make install                                 &&
+  rm -rf /tmp/ghc-9.6.5-x86_64-unknown-linux/
+```
+
+## How it started
+
+* 🤹 small team at work on different platforms
+* 🧑‍💻 SHELL + POSIX
+* 🦾 first version was 165 LOC
+* 🙏 only installer at that time was stack
+
+## Goals
+
+- ☮️ unification
+- unix principles
+  - 🛠️ do one thing and do it well
+  - ⚗️ pipes, compose stdout and stdin
+- 🎁 good re-distribution
+- 🛣️ user experience (get out of the way)
+
+## To install or not install
+
+* [https://hasufell.github.io/posts/2023-11-14-ghcup-is-not-an-installer.html](https://hasufell.github.io/posts/2023-11-14-ghcup-is-not-an-installer.html)
+
+### Concerns
+
+* ![](open-box.png){#id .class width=32 height=32px} installer
+* ![](linux.png){#id .class width=32 height=32px} distribution channel
+* ![](feedback.png){#id .class width=32 height=32px} feedback channel
+* ![](qa.png){#id .class width=32 height=32px} testing/QA
+* ![](user.png){#id .class width=32 height=32px} deciding on defaults (e.g. "recommended" GHC version)
+* ![](chain-saw.png){#id .class width=32 height=32px} holistic toolchain experience
+  - stack integration
+  - VSCode integration
+  - cabal-install integration
+* ![](ghaction.png){#id .class width=32 height=32px} CI (e.g. github actions)
+
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+- vision, usability
+
+- main GHCup types
+- metadata versions
+- metadata variants
+- ghcup-metadata CI (bindist install)
+- distro selection (libc compatibilty etc.)
+  - stack
+  - how we manage metadata
+- Dockerfiles
+- stack integration
+- Version file, Types file
+- file layout
+- reproducibility
+- security
+- HLS/GHC interaction
+- for the future
+
+- cool things to contribute to
+  - deciding on defaults (metadata etc.)
+  - API for e.g. stack
+  - Dhall
+  - manpage
+  - TUI
+  - schema
+  - integration test
+  - revision
+  - documentation
+  - cross
+  - nightlies
+
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+# GHCup talk
+
+Build via:
+
+```sh
+pandoc -t slidy -s GHCup.md -o GHCup.html
+```
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