87df809a88
This greatly simplifies updating nixpkgs. See the comment at the top of update-flake.sh for a description.
46 lines
1.4 KiB
Bash
Executable File
46 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# This script does the following:
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# - Update all flake inputs, including nixpkgs
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# - Print version updates of pinned pkgs like so:
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# Pkg updates in nixpkgs unstable:
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# bitcoin: 0.20.0 -> 0.21.1
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# btcpayserver: 1.1.0 -> 1.1.2
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# - Write ../pkgs/pinned.nix:
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# Packages for which the stable und unstable versions are identical are
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# pinned to stable.
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# All other pkgs are pinned to unstable.
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# cd to script dir
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cd "${BASH_SOURCE[0]%/*}"
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if [[ $(nix flake 2>&1) != *"requires a sub-command"* ]]; then
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echo "Error. This script requires nix flake support."
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echo "https://nixos.wiki/wiki/Flakes#Installing_flakes"
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exit 1
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fi
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if [[ ${1:-} != -f ]] && ! git diff --quiet ../flake.{nix,lock}; then
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echo "error: flake.nix/flake.lock have changes. Run with option -f to ignore."
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exit 1
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fi
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versions=$(nix eval --json -f update-flake.nix versions)
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## Uncomment the following to generate a version change message for testing
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# versions=$(echo "$versions" | sed 's|1|0|g')
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nix flake update ..
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echo
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nix eval --raw -f update-flake.nix --argstr prevVersions "$versions" showUpdates; echo
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pinned=../pkgs/pinned.nix
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pinnedSrc=$(nix eval --raw -f update-flake.nix --argstr prevVersions "$versions" pinnedFile)
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if [[ $pinnedSrc != $(cat "$pinned") ]]; then
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echo "$pinnedSrc" > "$pinned"
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echo
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echo "Updated pinned.nix"
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fi
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