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124 lines
4.4 KiB
Markdown
124 lines
4.4 KiB
Markdown
---
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title: Contributing guide
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revision: 31.01.2023
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---
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| Updated 31.01.2023 | Languages: EN, [FR](/docs/lang/fr/CONTRIBUTING.md), [CZ](/docs/lang/cs/CONTRIBUTING.md) |
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# Contributing guide
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## Compiling with SQLCipher encryption enabled
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Add `cabal.project.local` to project root with the location of OpenSSL headers and libraries and flag setting encryption mode:
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```
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cp scripts/cabal.project.local.mac cabal.project.local
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# or
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# cp scripts/cabal.project.local.linux cabal.project.local
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```
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## OpenSSL on MacOS
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MacOS comes with LibreSSL as default, OpenSSL must be installed to compile SimpleX from source.
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OpenSSL can be installed with `brew install openssl@1.1`
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You will have to add `/opt/homebrew/opt/openssl@1.1/bin` to your PATH in order to have things working properly
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## Project branches
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**In simplex-chat repo**
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- `stable` - stable release of the apps, can be used for updates to the previous stable release (GHC 9.6.2).
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- `stable-android` - used to build stable Android core library with Nix (GHC 8.10.7).
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- `stable-ios` - used to build stable iOS core library with Nix (GHC 8.10.7) – this branch should be the same as `stable-android` except Nix configuration files.
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- `master` - branch for beta version releases (GHC 9.6.2).
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- `master-ghc8107` - branch for beta version releases (GHC 8.10.7).
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- `master-android` - used to build beta Android core library with Nix (GHC 8.10.7), same as `master-ghc8107`
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- `master-ios` - used to build beta iOS core library with Nix (GHC 8.10.7).
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- `windows-ghc8107` - branch for windows core library build (GHC 8.10.7).
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`master-ios` and `windows-ghc8107` branches should be the same as `master-ghc8107` except Nix configuration files.
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**In simplexmq repo**
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- `master` - uses GHC 9.6.2 its commit should be used in `master` branch of simplex-chat repo.
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- `master-ghc8107` - its commit should be used in `master-android` (and `master-ios`) branch of simplex-chat repo.
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## Development & release process
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1. Make PRs to `master` branch _only_ for both simplex-chat and simplexmq repos.
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2. If simplexmq repo was changed, to build mobile core libraries you need to merge its `master` branch into `master-ghc8107` branch.
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3. To build core libraries for Android, iOS and windows:
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- merge `master` branch to `master-ghc8107` branch.
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- update `simplexmq` commit in `master-ghc8107` branch to the commit in `master-ghc8107` branch (probably, when resolving merge conflicts).
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- update code to be compatible with GHC 8.10.7 (see below).
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- push to GitHub.
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4. To build Android core library, merge `master-ghc8107` branch to `master-android` branch, and push to GitHub.
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5. To build iOS core library, merge `master-ghc8107` branch to `master-ios` branch, and push to GitHub.
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6. To build windows core library, merge `master-ghc8107` branch to `windows-ghc8107` branch, and push to GitHub.
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7. To build Desktop and CLI apps, make tag in `master` branch, APK files should be attached to the release.
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8. After the public release to App Store and Play Store, merge:
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- `master` to `stable`
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- `master` to `master-ghc8107` (and compile/update code)
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- `master-ghc8107` to `master-android`
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- `master-ghc8107` to `master-ios`
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- `master-ghc8107` to `windows-ghc8107`
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- `master-android` to `stable-android`
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- `master-ios` to `stable-ios`
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9. Independently, `master` branch of simplexmq repo should be merged to `stable` branch on stable releases.
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## Differences between GHC 8.10.7 and GHC 9.6.2
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1. The main difference is related to `DuplicateRecordFields` extension.
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It is no longer possible in GHC 9.6.2 to specify type when using selectors, instead OverloadedRecordDot extension and syntax are used that need to be removed in GHC 8.10.7:
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```haskell
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{-# LANGUAGE DuplicateRecordFields #-}
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-- use this in GHC 9.6.2 when needed
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{-# LANGUAGE OverloadedRecordDot #-}
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-- GHC 9.6.2 syntax
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let x = record.field
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-- GHC 8.10.7 syntax removed in GHC 9.6.2
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let x = field (record :: Record)
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```
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It is still possible to specify type when using record update syntax, use this pragma to suppress compiler warning:
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```haskell
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-- use this in GHC 9.6.2 when needed
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{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
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let r' = (record :: Record) {field = value}
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```
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2. Most monad functions now have to be imported from `Control.Monad`, and not from specific monad modules (e.g. `Control.Monad.Except`).
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```haskell
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-- use this in GHC 9.6.2 when needed
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import Control.Monad
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```
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[This PR](https://github.com/simplex-chat/simplex-chat/pull/2975/files) has all the differences.
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