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https://github.com/NixOS/nixpkgs.git
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9131efe52d
Includes some bugfixes/cleanups to the scripts and packaging, a run of the updater, a bump of the version, an upgrade to the newer cargo fetcher in #79975, and gets the web assembly portion to compile successfully. Fixes #75863
69 lines
2.3 KiB
Nix
69 lines
2.3 KiB
Nix
{ writeShellScript, nix-prefetch-git
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, curl, jq, xe
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, src }:
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let
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# print all the grammar names mentioned in the fetch-fixtures script
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getGrammarNames = writeShellScript "get-grammars.sh" ''
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set -euo pipefail
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sed -ne 's/^fetch_grammar \(\S*\).*$/\1/p' \
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${src}/script/fetch-fixtures
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'';
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# TODO
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urlEscape = x: x;
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# TODO
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urlEscapeSh = writeShellScript "escape-url" ''printf '%s' "$1"'';
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# generic bash script to find the latest github release for a repo
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latestGithubRelease = { owner }: writeShellScript "latest-github-release" ''
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set -euo pipefail
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repo="$1"
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res=$(${curl}/bin/curl \
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--silent \
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"https://api.github.com/repos/${urlEscape owner}/$(${urlEscapeSh} "$repo")/releases/latest")
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if [[ "$(printf "%s" "$res" | ${jq}/bin/jq '.message')" =~ "rate limit" ]]; then
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echo "rate limited" >&2
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fi
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release=$(printf "%s" "$res" | ${jq}/bin/jq '.tag_name')
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# github sometimes returns an empty list even tough there are releases
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if [ "$release" = "null" ]; then
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echo "uh-oh, latest for $repo is not there, using HEAD" >&2
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release="HEAD"
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fi
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echo "$release"
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'';
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# update one tree-sitter grammar repo and print their nix-prefetch-git output
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updateGrammar = { owner }: writeShellScript "update-grammar.sh" ''
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set -euo pipefail
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repo="$1"
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latest="$(${latestGithubRelease { inherit owner; }} "$repo")"
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echo "Fetching latest release ($latest) of $repo …" >&2
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${nix-prefetch-git}/bin/nix-prefetch-git \
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--quiet \
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--no-deepClone \
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--url "https://github.com/${urlEscape owner}/$(${urlEscapeSh} "$repo")" \
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--rev "$latest"
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'';
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update-all-grammars = writeShellScript "update-all-grammars.sh" ''
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set -euo pipefail
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grammarNames=$(${getGrammarNames})
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outputDir="${toString ./.}/grammars"
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mkdir -p "$outputDir"
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updateCommand=$(printf \
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'${updateGrammar { owner = "tree-sitter"; }} "$1" > "%s/$1.json"' \
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"$outputDir")
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printf '%s' "$grammarNames" \
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| ${xe}/bin/xe printf "tree-sitter-%s\n" {} \
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| ${xe}/bin/xe -j2 -s "$updateCommand"
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( echo "{"
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printf '%s' "$grammarNames" \
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| ${xe}/bin/xe -s 'printf " %s = (builtins.fromJSON (builtins.readFile ./tree-sitter-%s.json));\n" "$1" "$1"'
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echo "}" ) \
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> "$outputDir/default.nix"
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'';
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in update-all-grammars
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