mirror of
https://github.com/NixOS/nixpkgs.git
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34c51b70fb
Currently, every package set consists of three commits, generated by update-hackage.sh, update-stackage.sh and regenerate-hackage-packages.sh, respectively. This is suboptimal, as it necessarly causes intermediate states of Nixpkgs where the generated hackage-packages.nix and all-cabal-hasehs and/or the hackage2nix configuration files are out of sync. Ideally, running regenerate-hackage-packages.sh is a no-op for every Nixpkgs revision. This is achieved by adding a wrapper script, update-package-set.sh, which runs the individual moving parts and commits the result.
54 lines
1.6 KiB
Bash
Executable file
54 lines
1.6 KiB
Bash
Executable file
#! /usr/bin/env nix-shell
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#! nix-shell -i bash
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#! nix-shell -p git -I nixpkgs=.
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set -euo pipefail
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filesToStage=(
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'pkgs/data/misc/hackage/pin.json'
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'pkgs/development/haskell-modules/configuration-hackage2nix/stackage.yaml'
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'pkgs/development/haskell-modules/hackage-packages.nix'
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)
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if ! git diff --quiet --cached; then
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echo "Please commit staged changes before running $0" >&2
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exit 100
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fi
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if ! git diff --quiet -- "${filesToStage[@]}"; then
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echo -n "Please commit your changes to the following files before running $0: " >&2
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echo "${filesToStage[@]}" >&2
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exit 100
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fi
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stackage_diff="$(./maintainers/scripts/haskell/update-stackage.sh)"
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hackage_diff="$(./maintainers/scripts/haskell/update-hackage.sh)"
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readonly stackage_diff hackage_diff
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# Prefer Stackage version diff in the commit header, fall back to Hackage
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if [[ -n "$stackage_diff" ]]; then
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commit_message="haskellPackages: stackage $stackage_diff"
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if [[ -n "$hackage_diff" ]]; then
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commit_message="$commit_message
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all-cabal-hashes: $hackage_diff"
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fi
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elif [[ -n "$hackage_diff" ]]; then
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commit_message="haskellPackages: hackage $hackage_diff
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all-cabal-hashes: $hackage_diff"
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else
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echo "Neither Hackage nor Stackage changed. Nothing to do." >&2
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exit 0
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fi
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commit_message="$commit_message
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(generated by maintainers/scripts/haskell/update-package-set.sh)"
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# Using fast here because after the hackage-update eval errors will likely break the transitive dependencies check.
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./maintainers/scripts/haskell/regenerate-hackage-packages.sh --fast
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# A --do-commit flag probably doesn't make much sense
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git add -- "${filesToStage[@]}"
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git commit -m "$commit_message"
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