pyrox.dev
_7zz: fix update script
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pkgs/tools/archivers/7zz/update.sh
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pkgs/tools/archivers/7zz/update.sh
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#! /usr/bin/env nix-shell
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#! nix-shell -i bash -p coreutils gnused curl jq nix-prefetch
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#! nix-shell -i bash -p curl xq-xml nix-prefetch
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set -euo pipefail
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cd "$(dirname "${BASH_SOURCE[0]}")"
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DRV_DIR="$PWD"
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OLD_VERSION="$(sed -nE 's/\s*version = "(.*)".*/\1/p' ./default.nix)"
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# The best_release.json is not always up-to-date
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# In those cases you can force the version by calling `./update.sh <newer_version>`
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NEW_VERSION="${1:-$(curl -H "Accept: application/json" 'https://sourceforge.net/projects/sevenzip/best_release.json' | jq '.platform_releases.linux.filename' -r | cut -d/ -f3)}"
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NEW_VERSION="$(curl -H 'Accept: application/rss+xml' 'https://sourceforge.net/projects/sevenzip/rss?path=/7-Zip' | xq -x "substring((/rss/channel/item[link[contains(., 'src.tar.xz')]])[1]/title, 8, 5)")"
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echo "comparing versions $OLD_VERSION => $NEW_VERSION"
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if [[ "$OLD_VERSION" == "$NEW_VERSION" ]]; then
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NEW_VERSION_FORMATTED="$(echo "$NEW_VERSION" | tr -d '.')"
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URL="https://7-zip.org/a/7z${NEW_VERSION_FORMATTED}-src.tar.xz"
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# `nix-prefetch` is broken without flakes
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# see https://github.com/msteen/nix-prefetch/issues/51
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NEW_FREE_HASH=$(nix-prefetch -f "$NIXPKGS_ROOT" -E "_7zz.src" --url "$URL" --option extra-experimental-features flakes)
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NEW_FREE_HASH=$(nix-prefetch -f "$NIXPKGS_ROOT" -E "_7zz.src" --url "$URL")
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NEW_UNFREE_OUT=$(nix-prefetch -f "$NIXPKGS_ROOT" -E "(_7zz.override { enableUnfree = true; }).src" --url "$URL" --output raw --print-path)
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NEW_UNFREE_OUT=$(nix-prefetch -f "$NIXPKGS_ROOT" -E "(_7zz.override { enableUnfree = true; }).src" --url "$URL" --output raw --print-path --option extra-experimental-features flakes)
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# first line of raw output is the hash
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NEW_UNFREE_HASH="$(echo "$NEW_UNFREE_OUT" | sed -n 1p)"
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# second line of raw output is the src path