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# Maintainer: Techcable <$USER @ techcable.net>
# Contributor: Kaizhao Zhang <zhangkaizhao@gmail.com>
pkgname=zig-dev-bin
# Old versions of zig-dev-bin used date as pkgver (pkgver=20220712)
#
# Now we use something consistent with zig internal versioning.
# Without changing the epoch, the old version scheme would be considered
# "newer" greater than the new version scheme
epoch=1
# NOTE: Sanitize version '-' -> '_', '+' -> `.g`
pkgver=0.12.0_dev.3433.g640acf862
pkgrel=1
pkgdesc="A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software"
arch=('x86_64' 'aarch64')
url="https://ziglang.org/"
license=('MIT')
makedepends=(curl jq minisign ripgrep)
options=('!strip')
provides=('zig')
conflicts=('zig')
# NOTE: We don't include the "real" source until build()
#
# The exception is our test file `hello.zig`
source=(
"hello.zig"
)
# Hardcoded sha256 not possible because this is a an auto-updating (nightly) package
#
# Zig currently uses minisign to sign the binaries, which pacman doesn't support
# See zig issue for signed binaries: https://github.com/ziglang/zig/issues/4945
sha256sums=(
"SKIP"
)
# https://ziglang.org/download/
ZIG_MINISIGN_KEY="RWSGOq2NVecA2UPNdBUZykf1CCb147pkmdtYxgb3Ti+JO/wCYvhbAb/U";
# Prints a warning message to stderr
warning() {
echo -en "\e[33;1mWARNING\e[0m: " >&2;
echo "$@" >&2;
}
error() {
echo -en "\e[31;1mERROR\e[0m: " >&2;
echo "$@" >&2;
}
# Fetch the version index, deleting any cached version.
refresh_version_index() {
FORCE_REFRESH=1 fetch_version_index
}
# NOTE: If we put version-index in `source` then it would be cached
#
# Instead, fetch it by hand.
fetch_version_index() {
local index_file="${srcdir}/zig-version-index.json";
if [[ -f "$index_file" ]]; then
if [[ $FORCE_REFRESH -eq 1 ]]; then
# When ordered to 'refresh', we invalidate old verison-index.json
echo "Deleting existing version index file (refreshing)" >&2;
rm "$index_file";
else
echo $index_file;
return 0;
fi
fi
# Fallthrough to download index file
echo "Downloading version index..." >&2;
if ! curl -sS "https://ziglang.org/download/index.json" -o "$index_file"; then
error "Failed to download version index";
exit 1;
else
echo "Successfully downloaded version index (date: $(jq -r .master.date $index_file))" >&2;
fi
echo "$index_file"
}
# The original version of the zig package, without any sanitation
original_pkgver() {
local index_file="$(fetch_version_index)"
jq -r '.master.version' "$index_file";
}
# Sanitizes the package version, replacing special characters
#
# Specifically, we replace '-' with '_' because it's special-cased by makepkg & pacman,
# and replace '+$commit" with '.g$commit' because '+' is special-cased in URLs.
# Also the second form '.g$commit" is more consistent with the VCS package guidelines
# https://wiki.archlinux.org/title/VCS_package_guidelines#The_pkgver()_function
#
# Unlike VCS packages, there aren't really any clear guidelines on versioning
# for auto-updating binaries,
# so the versioning format of the package has changed somewhat over time.
pkgver() {
(
set -o pipefail;
# Sanitize `-` to `_`, `+` to `.g`
#
# So `0.12.0-dev.3429+13a9d94a8` becomes `0.12.0-dev.3429.g13a9d94a8`
#
# See VCS package guidelines for details:
original_pkgver | rg -e '^([\w\.]+)-(dev[\w\.]+)\+(\w+)$' -r '${1}_${2}.g${3}' || {
error "Version doesn't match pattern: '$(original_pkgver)'";
exit 1;
}
)
}
prepare() {
local index_file="$(refresh_version_index)";
local newver="$(pkgver)";
pushd "${srcdir}" > /dev/null;
local newurl="$(jq -r ".master.\"${CARCH}-linux\".tarball" $index_file)";
local newurl_sig="$newurl.minisig";
local newfile="zig-linux-${CARCH}-${newver}.tar.xz";
local newfile_sig="$newfile.minisig";
# NOTE: The Arch Build System unfortunately doesn't handle dynamically added sources.
# source+=("${newfile}:${newurl}" "${newfile_sig}:${newurl_sig}")
local expected_hash="$(jq -r ".master.\"${CARCH}-linux\".shasum" "$index_file")"
# sha256sums+=("$expected_hash" "SKIP")
if [[ -f "$newfile" && -f "$newfile_sig" ]]; then
echo "Reusing existing $newfile (and signature)";
else
echo "Downloading Zig $newver from $newurl";
curl -Ss "$newurl" -o "$newfile";
echo "Downloading signature...";
curl -Ss "$newurl_sig" -o "$newfile_sig";
fi;
echo "" >&2;
local actual_hash="$(sha256sum "$newfile" | grep -oE '^\w+')"
if [[ "$expected_hash" != "$actual_hash" ]]; then
error "Expected hash $expected_hash for $newfile, but got $actual_hash" >&2;
exit 1;
fi;
echo "Using minisign to check signature";
if ! minisign -V -P "$ZIG_MINISIGN_KEY" -m "$newfile" -x "$newfile_sig"; then
error "Failed to check signature for $newfile" >&2;
exit 1;
fi
echo "Extracting file";
tar -xf "$newfile";
popd > /dev/null;
}
RELATIVE_LANGREF_FILE="docs/langref.html";
# All of these must be present for
RELATIVE_STDLIB_DOC_FILES=("docs/std/index.html" "docs/std/main.js" "docs/std/data.js");
check() {
hello_file="${srcdir}/hello.zig"
# Zig caches (both local and global) can use up a lot of space.
# For these hello world examples (in a frequently updated package), this is very wasteful.
#
# Right now there is no way to disable the cache (see Zig issue #12317)
# Instead we shove everything in a local directory and delete it
cache_dir="${srcdir}/zig-cache"
cd "${srcdir}/zig-linux-${CARCH}-$(original_pkgver)"
echo "Running Zig Hello World"
./zig run --cache-dir "$cache_dir" --global-cache-dir "$cache_dir" "$hello_file"
./zig test --cache-dir "$cache_dir" --global-cache-dir "$cache_dir" "$hello_file"
rm -rf "$cache_dir"
rm -rf "$cache_dir";
local missing_docs=();
# Zig has had long-running issues with the location
# of the docs directory.
# See issue https://github.com/ziglang/zig/issues/9158
#
# We check that it's present, and warn otherwise
# Alternative is failing the whole build just over docs
if [[ ! -f "$RELATIVE_LANGREF_FILE" ]]; then
missing_docs+=("langref.html");
fi
for stdlib_file in "${RELATIVE_STDLIB_DOC_FILES[@]}"; do
if [[ ! -f "$stdlib_file" ]]; then
missing_docs+=("stdlib["$(basename $stdlib_file)"]");
break;
fi
done;
if [[ "${#missing_docs[@]}" -ne 0 ]]; then
warning "Missing documentation:" "${missing_docs[@]}";
echo "This is likely related to Zig issue #9158: https://github.com/ziglang/zig/issues/9158" >&2;
echo "Essentially, the docs locations are inconsistent across platofrms and builds." >&2;
echo "This is especially true on non-linux platforms (and non x86_64)" >&2;
echo "" >&2;
echo "This will not impact execution, and you can always use the website docs: https://ziglang.org/documentation/master/" >&2;
fi
}
package() {
cd "${srcdir}/zig-linux-${CARCH}-$(original_pkgver)"
install -d "${pkgdir}/usr/bin"
install -d "${pkgdir}/usr/lib/zig"
cp -R lib "${pkgdir}/usr/lib/zig/lib"
install -D -m755 zig "${pkgdir}/usr/lib/zig/zig"
ln -s /usr/lib/zig/zig "${pkgdir}/usr/bin/zig"
# Already gave warnings above, just silently ignore here
if [[ -f "docs/langref.html" ]]; then
install -D -m644 docs/langref.html "${pkgdir}/usr/share/doc/zig/langref.html"
fi;
if [[ -d "docs/std" ]]; then
cp -R docs/std "${pkgdir}/usr/share/doc/zig/";
fi
install -D -m644 LICENSE "${pkgdir}/usr/share/licenses/zig/LICENSE"
}
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