tjh.dev
1#!/usr/bin/env nix-shell
2#!nix-shell -I nixpkgs=./. -i bash -p curl jq nix-prefetch common-updater-scripts nix coreutils
3# shellcheck shell=bash
4set -euo pipefail
5
6VERSION=$(curl -s https://api.github.com/repos/facebook/buck2/releases \
7 | jq -r 'sort_by(.created_at) | reverse |
8 (map
9 (select ((.prerelease == true) and (.name != "latest"))) |
10 first
11 ) | .name')
12PRELUDE_HASH=$(curl -sLo - "https://github.com/facebook/buck2/releases/download/${VERSION}/prelude_hash")
13PRELUDE_DL_URL="https://github.com/facebook/buck2-prelude/archive/${PRELUDE_HASH}.tar.gz"
14
15echo "Latest buck2 prerelease: $VERSION"
16echo "Compatible buck2-prelude hash: $PRELUDE_HASH"
17
18ARCHS=(
19 "x86_64-linux:x86_64-unknown-linux-musl"
20 "x86_64-darwin:x86_64-apple-darwin"
21 "aarch64-linux:aarch64-unknown-linux-musl"
22 "aarch64-darwin:aarch64-apple-darwin"
23)
24
25NFILE=pkgs/by-name/bu/buck2/package.nix
26HFILE=pkgs/by-name/bu/buck2/hashes.json
27rm -f "$HFILE" && touch "$HFILE"
28
29PRELUDE_SHA256HASH="$(nix-prefetch-url --type sha256 "$PRELUDE_DL_URL")"
30PRELUDE_SRIHASH="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$PRELUDE_SHA256HASH")"
31
32printf "{ \"_comment\": \"@generated by pkgs/by-name/bu/buck2/update.sh\"\n" >> "$HFILE"
33printf ", \"_prelude\": \"$PRELUDE_SRIHASH\"\n" >> "$HFILE"
34
35for arch in "${ARCHS[@]}"; do
36 IFS=: read -r arch_name arch_target <<< "$arch"
37 sha256hash="$(nix-prefetch-url --type sha256 "https://github.com/facebook/buck2/releases/download/${VERSION}/buck2-${arch_target}.zst")"
38 srihash="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$sha256hash")"
39 echo ", \"buck2-$arch_name\": \"$srihash\"" >> "$HFILE"
40
41 IFS=: read -r arch_name arch_target <<< "$arch"
42 sha256hash="$(nix-prefetch-url --type sha256 "https://github.com/facebook/buck2/releases/download/${VERSION}/rust-project-${arch_target}.zst")"
43 srihash="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$sha256hash")"
44 echo ", \"rust-project-$arch_name\": \"$srihash\"" >> "$HFILE"
45done
46echo "}" >> "$HFILE"
47
48sed -i \
49 '0,/version\s*=\s*".*";/s//version = "'"$VERSION"'";/' \
50 "$NFILE"
51
52sed -i \
53 '0,/prelude-hash\s*=\s*".*";/s//prelude-hash = "'"$PRELUDE_HASH"'";/' \
54 "$NFILE"
55
56echo "Done; wrote $HFILE and updated version in $NFILE."