add install script for logoscore, lgpm, lgpd v0.2.0

scripts/install-node-tools.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+# Download the Logos node CLIs — logoscore, lgpd, lgpm — into ./bin.
+#
+# Unpacks a pinned release of each tool for the host OS/arch. Works on Linux
+# (x86_64/aarch64) and macOS (Apple Silicon). To move to newer builds, bump the
+# *_TAG values below. After it finishes:  export PATH="$PWD/bin:$PATH"
+set -eu
+
+# Pinned tool releases.
+LOGOSCORE_TAG=0.2.0
+LGPD_TAG=0.2.0
+LGPM_TAG=0.2.0
+
+os=$(uname -s | tr '[:upper:]' '[:lower:]')
+if [ "$os" = darwin ]; then os=macos; fi
+arch=$(uname -m)
+if [ "$arch" = arm64 ]; then arch=aarch64; fi
+
+case "$os" in
+  linux|macos) ;;
+  *) echo "unsupported OS: $os (Linux/macOS only)" >&2; exit 1 ;;
+esac
+
+bin="$PWD/bin"
+mkdir -p "$bin"
+
+# fetch <repo> <tool> <tag>: download <tool>-<arch>-<os>.tar.gz, expose ./bin/<tool>
+fetch() {
+  repo=$1; tool=$2; tag=$3
+  echo "  $tool ($tag)"
+  tmp=$(mktemp -d)
+  curl -fsSL "https://github.com/logos-co/$repo/releases/download/$tag/$tool-$arch-$os.tar.gz" \
+    | tar xz -C "$tmp"
+  if [ "$os" = macos ]; then
+    # tarball is <tool>-<arch>-macos/{bin,lib,...}; the binary finds its bundled
+    # libs/modules relative to its real path, so wrap it (a symlink would break
+    # that resolution) rather than linking.
+    rm -rf "$bin/$tool-$arch-macos"
+    mv "$tmp/$tool-$arch-macos" "$bin/"
+    printf '#!/bin/sh\nexec "%s/%s-%s-macos/bin/%s" "$@"\n' "$bin" "$tool" "$arch" "$tool" > "$bin/$tool"
+    chmod +x "$bin/$tool"
+  else
+    # tarball is a single <tool>-<arch>.AppImage
+    mv "$tmp/$tool-$arch.AppImage" "$bin/$tool"
+    chmod +x "$bin/$tool"
+  fi
+  rm -rf "$tmp"
+}
+
+echo "Installing Logos node tools for $os/$arch into $bin ..."
+fetch logos-logoscore-cli      logoscore "$LOGOSCORE_TAG"
+fetch logos-package-downloader lgpd      "$LGPD_TAG"
+fetch logos-package-manager    lgpm      "$LGPM_TAG"
+echo
+echo "Done. Put them on your PATH:"
+echo "  export PATH=\"$bin:\$PATH\""