packaging: add deb/flatpak build flow and desktop metadata

packaging/linux/build-deb.sh

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+BUILD_DIR="${1:-$ROOT_DIR/build}"
+DIST_DIR="${2:-$ROOT_DIR/dist}"
+STAGE_DIR="$DIST_DIR/deb-staging"
+PKG_ROOT="$STAGE_DIR/orbithub"
+
+if [[ ! -f "$BUILD_DIR/CMakeCache.txt" ]]; then
+  echo "Build directory not configured: $BUILD_DIR" >&2
+  echo "Run: cmake -S \"$ROOT_DIR\" -B \"$BUILD_DIR\" -G Ninja" >&2
+  exit 1
+fi
+
+mkdir -p "$DIST_DIR"
+rm -rf "$STAGE_DIR"
+mkdir -p "$PKG_ROOT/DEBIAN"
+
+VERSION="$(sed -n 's/^CMAKE_PROJECT_VERSION:STATIC=//p' "$BUILD_DIR/CMakeCache.txt" | head -n1)"
+ARCH="$(dpkg --print-architecture)"
+
+if [[ -z "$VERSION" ]]; then
+  echo "Unable to determine project version from $BUILD_DIR/CMakeCache.txt" >&2
+  exit 1
+fi
+
+cmake --build "$BUILD_DIR" -j
+cmake --install "$BUILD_DIR" --prefix "$PKG_ROOT/usr"
+
+cat > "$PKG_ROOT/DEBIAN/control" <<EOF
+Package: orbithub
+Version: ${VERSION}
+Section: net
+Priority: optional
+Architecture: ${ARCH}
+Maintainer: OrbitHub Maintainers <maintainers@orbithub.local>
+Depends: libc6, libstdc++6, libqt6core6, libqt6gui6, libqt6widgets6, libqt6sql6, libssl3, zlib1g, openssh-client
+Description: OrbitHub remote session manager
+ OrbitHub is a native desktop application for managing connection profiles
+ and opening SSH and RDP sessions in a tabbed interface.
+EOF
+
+cat > "$PKG_ROOT/DEBIAN/postinst" <<'EOF'
+#!/bin/sh
+set -e
+if command -v update-desktop-database >/dev/null 2>&1; then
+  update-desktop-database -q /usr/share/applications || true
+fi
+if command -v gtk-update-icon-cache >/dev/null 2>&1; then
+  gtk-update-icon-cache -q /usr/share/icons/hicolor || true
+fi
+EOF
+chmod 0755 "$PKG_ROOT/DEBIAN/postinst"
+
+cat > "$PKG_ROOT/DEBIAN/postrm" <<'EOF'
+#!/bin/sh
+set -e
+if command -v update-desktop-database >/dev/null 2>&1; then
+  update-desktop-database -q /usr/share/applications || true
+fi
+if command -v gtk-update-icon-cache >/dev/null 2>&1; then
+  gtk-update-icon-cache -q /usr/share/icons/hicolor || true
+fi
+EOF
+chmod 0755 "$PKG_ROOT/DEBIAN/postrm"
+
+OUTPUT_DEB="$DIST_DIR/orbithub_${VERSION}_${ARCH}.deb"
+fakeroot dpkg-deb --build "$PKG_ROOT" "$OUTPUT_DEB" >/dev/null
+echo "Created $OUTPUT_DEB"