reorganizing release ouput to cleaner directory structure

build-docker-release.sh

@@ -11,22 +11,28 @@ make clean 2>/dev/null || true
 rm -rf depends/built depends/x86_64-unknown-linux-gnu depends/work
 make -C depends clean 2>/dev/null || true
 
+# Limit parallelism to avoid OOM kills inside Docker.
+# Each C++ compilation can use 1-2 GB RAM; cap at ~half of nproc.
+JOBS=$(( $(nproc) / 2 ))
+[ "$JOBS" -lt 1 ] && JOBS=1
+
 # Build RandomX for Linux (clean, since host build is different arch/libc)
 cd src/RandomX
 rm -rf build-linux
 mkdir -p build-linux && cd build-linux
 cmake -DARCH=native ..
-make -j$(nproc)
+make -j"$JOBS"
 cd /hush3
 
 # Run the normal build
-./util/build.sh --disable-tests -j$(nproc)
+./util/build.sh --disable-tests -j"$JOBS"
 
 # Package release
 echo "Creating Linux release package..."
 VERSION=$(grep -oP 'define\(_CLIENT_VERSION.*?,\s*\K[0-9]+' configure.ac | head -3 | tr '\n' '.' | sed 's/\.$//')
 VERSION=${VERSION:-3.10.5}
-RELEASE_DIR="release-linux"
+UBUNTU_VERSION=$(grep -oP 'VERSION_ID="\K[^"]+' /etc/os-release 2>/dev/null || echo "unknown")
+RELEASE_DIR="release/linux-${UBUNTU_VERSION}"
 mkdir -p "$RELEASE_DIR"
 
 strip -s src/hushd src/hush-cli src/hush-tx