Initial release

2026-08-16 18:33:03 +07:00
commit 7ade4e1152
1966 changed files with 412966 additions and 0 deletions
@@ -0,0 +1,146 @@
+#!/usr/bin/env bash
+# Fetch the exact header-only dependency set used for CGAL print remeshing.
+# Keep the four pins below together: the scheduled dependency workflow updates
+# versions and upstream-published SHA-256 digests atomically.
+set -euo pipefail
+
+CGAL_VERSION=6.1.1
+CGAL_SHA256=6c5d68be1d28cbee3c3e05003746ec4791d0018c770b4276b9e6d69c3a0a355a
+BOOST_VERSION=1.88.0
+BOOST_SHA256=3621533e820dcab1e8012afd583c0c73cf0f77694952b81352bf38c1488f9cb4
+FETCH_FORMAT=2
+
+ROOT=$(cd "$(dirname "$0")/.." && pwd)
+DEST=${1:-"$ROOT/.deps/print-remesh"}
+MARKER="$DEST/.trellis2-print-remesh-deps"
+EXPECTED=$(printf 'CGAL_VERSION=%s\nCGAL_SHA256=%s\nBOOST_VERSION=%s\nBOOST_SHA256=%s\nFETCH_FORMAT=%s' \
+	"$CGAL_VERSION" "$CGAL_SHA256" "$BOOST_VERSION" "$BOOST_SHA256" "$FETCH_FORMAT")
+
+is_current() {
+	[[ -f "$MARKER" && "$(<"$MARKER")" == "$EXPECTED" ]]
+}
+
+if is_current; then
+	echo "Print-remesh dependencies already current in $DEST"
+	exit 0
+fi
+
+mkdir -p "$(dirname "$DEST")"
+LOCK="${DEST}.lock"
+attempt=0
+until mkdir "$LOCK" 2>/dev/null; do
+	if is_current; then
+		echo "Print-remesh dependencies already current in $DEST"
+		exit 0
+	fi
+	((attempt += 1))
+	if ((attempt >= 300)); then
+		echo "Timed out waiting for dependency lock $LOCK" >&2
+		exit 1
+	fi
+	sleep 0.2
+done
+
+TMP=
+cleanup() {
+	rm -rf "$LOCK"
+	if [[ -n "${TMP:-}" ]]; then
+		rm -rf "$TMP"
+	fi
+}
+trap cleanup EXIT
+TMP=$(mktemp -d "${DEST}.tmp.XXXXXX")
+
+verify_sha256() {
+	local file=$1 expected=$2 actual
+	if command -v sha256sum >/dev/null 2>&1; then
+		actual=$(sha256sum "$file")
+	elif command -v shasum >/dev/null 2>&1; then
+		actual=$(shasum -a 256 "$file")
+	else
+		echo "No SHA-256 tool found (need sha256sum or shasum)" >&2
+		exit 127
+	fi
+	actual=${actual%% *}
+	if [[ "$actual" != "$expected" ]]; then
+		echo "SHA-256 mismatch for $file: expected $expected, got $actual" >&2
+		exit 1
+	fi
+}
+
+CGAL_ARCHIVE="$TMP/cgal.zip"
+curl -fL --retry 3 \
+	"https://github.com/CGAL/cgal/releases/download/v${CGAL_VERSION}/CGAL-${CGAL_VERSION}-library.zip" \
+	-o "$CGAL_ARCHIVE"
+verify_sha256 "$CGAL_ARCHIVE" "$CGAL_SHA256"
+mkdir "$TMP/cgal-unpack"
+unzip -q "$CGAL_ARCHIVE" -d "$TMP/cgal-unpack"
+shopt -s nullglob
+cgal_roots=("$TMP/cgal-unpack"/*)
+shopt -u nullglob
+if [[ ${#cgal_roots[@]} -ne 1 || ! -d "${cgal_roots[0]}" ]]; then
+	echo "Expected one root directory in the CGAL archive" >&2
+	exit 1
+fi
+mv "${cgal_roots[0]}" "$TMP/cgal"
+
+BOOST_UNDERSCORE=${BOOST_VERSION//./_}
+BOOST_ARCHIVE="$TMP/boost.tgz"
+curl -fL --retry 3 \
+	"https://archives.boost.io/release/${BOOST_VERSION}/source/boost_${BOOST_UNDERSCORE}.tar.gz" \
+	-o "$BOOST_ARCHIVE"
+verify_sha256 "$BOOST_ARCHIVE" "$BOOST_SHA256"
+mkdir "$TMP/boost"
+tar -xzf "$BOOST_ARCHIVE" -C "$TMP/boost" --strip-components=1 \
+	"boost_${BOOST_UNDERSCORE}/boost"
+
+# Raw Boost release archives intentionally have no installed CMake package.
+# Supply the header-only targets CGAL consumes so config-mode find_package
+# works on CMake 3.30+, where the legacy FindBoost module was removed.
+mkdir "$TMP/boost-cmake"
+cat > "$TMP/boost-cmake/BoostConfig.cmake" <<EOF
+set(Boost_FOUND TRUE)
+set(Boost_VERSION "$BOOST_VERSION")
+set(Boost_VERSION_STRING "$BOOST_VERSION")
+set(Boost_INCLUDE_DIR "\${CMAKE_CURRENT_LIST_DIR}/../boost")
+set(Boost_INCLUDE_DIRS "\${Boost_INCLUDE_DIR}")
+set(Boost_LIBRARIES "")
+if(NOT TARGET Boost::headers)
+    add_library(Boost::headers INTERFACE IMPORTED GLOBAL)
+    set_target_properties(Boost::headers PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "\${Boost_INCLUDE_DIR}")
+endif()
+if(NOT TARGET Boost::boost)
+    add_library(Boost::boost ALIAS Boost::headers)
+endif()
+EOF
+cat > "$TMP/boost-cmake/BoostConfigVersion.cmake" <<EOF
+set(PACKAGE_VERSION "$BOOST_VERSION")
+if(PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION)
+    set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else()
+    set(PACKAGE_VERSION_COMPATIBLE TRUE)
+    if(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
+        set(PACKAGE_VERSION_EXACT TRUE)
+    endif()
+endif()
+EOF
+
+rm -rf "$CGAL_ARCHIVE" "$BOOST_ARCHIVE" "$TMP/cgal-unpack"
+printf '%s\n' "$EXPECTED" > "$TMP/.trellis2-print-remesh-deps"
+
+OLD="${DEST}.old.$$"
+if [[ -e "$DEST" ]]; then
+	mv "$DEST" "$OLD"
+fi
+if mv "$TMP" "$DEST"; then
+	TMP=
+	rm -rf "$OLD"
+else
+	if [[ -e "$OLD" ]]; then
+		mv "$OLD" "$DEST"
+	fi
+	exit 1
+fi
+
+echo "Fetched CGAL $CGAL_VERSION and Boost $BOOST_VERSION into $DEST"