ghcup

ghcup.asc

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This release introduces a new way of installing ghcup (and GHC and cabal in the process) with the infamous curl .. | sh pattern. See #36 for discussion. This is completely optional.

Features:

• Add a bootstrap-haskell script, fixes #36
• Allow to specify tags for ghcup install, ghcup install-cabal and ghcup set
• ghcup list also shows tags
• support installing on macOS aka Darwin
• Improve detection logic for CentOS/Alpine/AIX/FreeBSD
• Introduce a GHCUP_INSTALL_BASE_PREFIX env variable to control where .ghcup directory will be created
• Add rudimentary support for Amazon Linux

Bugfixes:

• Create missing haddock -> haddock-ghc symlink
• Emit distro-alias inferred in debug-info output
• Tweak exit code for ghcup install (If a GHC is already installed, we shouldn't treat it as an error)

Cleanups:

• Simplify mkdir calls
• Documentation improvements
• Error handling improvements

API changes:

• self-update was renamed to upgrade

This release introduces the meta files .available-versions and .download-urls, which can be maintained independently and will be downloaded on-the-fly by the script to discover available upstream versions and appropriate tarballs for the current distribution.

Features:

• allow to specify a build config for 'ghcup compile'
• add 'debug-info' subcommand
• allow to use wget instead of curl
• introduce optional tarball caching
• install recommended GHC version
• list available/supported GHC versions

Bugfixes:

• better discovery of distro binary tarball due to meta file
• make unpacking more robust
• make uninstallation more robust and safer (with confirmation)
• remove dangling ghc, ghci, ... symlinks after removal of active GHC
• get rid of realpath requirement
• check for required commands

Cleanups:

• README improvements (by @fommil )

Bugfixes:

• fix OS detection on debian (reported by @shapr)

Features:

• self-update now updates the script in-place no matter where it is (previously was ~/.local/bin), by @fommil

Cleanups:

• README improvements

Awesome release