Add native ScreenCast portal with PipeWire monitor streams

scripts/install-session.sh

@@ -19,7 +19,7 @@ session_entry=/usr/share/wayland-sessions/ferese.desktop
 [[ ! -e $release_dir ]] || { echo "Release already exists: $release_dir" >&2; exit 1; }
 
 # Refuse to overwrite unrelated installations.
-for name in ferese ferese-shell ferese-settings feresectl ferese-session ferese-lock ferese-screenshot; do
+for name in ferese ferese-shell ferese-settings feresectl ferese-session ferese-lock ferese-screenshot xdg-desktop-portal-ferese; do
     link=/usr/local/bin/$name
     if [[ -e $link || -L $link ]]; then
         [[ -L $link && $(readlink -- "$link") == "$install_root/current/$name" ]] || {
@@ -39,7 +39,7 @@ if [[ -e $session_entry ]]; then
         echo "Different session entry exists: $session_entry" >&2; exit 1;
     }
 fi
-for name in ferese ferese-shell ferese-settings feresectl ferese-lock; do
+for name in ferese ferese-shell ferese-settings feresectl ferese-lock xdg-desktop-portal-ferese; do
     [[ -x $repo_dir/target/release/$name ]] || { echo "Missing release binary: $name" >&2; exit 1; }
 done
 for name in ferese.png ferese.svg; do
@@ -57,6 +57,21 @@ elif [[ ! -f /etc/pam.d/login && ! -f /etc/pam.d/ferese-lock ]]; then
     exit 1
 fi
 
+# These files are owned by Ferese; preserve unrelated administrator configuration.
+for entry in \
+    'ferese.portal:portals/ferese.portal' \
+    'ferese-portals.conf:ferese-portals.conf'; do
+    source=${entry%%:*}
+    destination=/usr/share/xdg-desktop-portal/${entry#*:}
+    if [[ -e $destination ]] && ! cmp -s "$repo_dir/packaging/portal/$source" "$destination"; then
+        echo "Unmanaged portal configuration exists: $destination" >&2; exit 1
+    fi
+done
+service=/usr/local/share/dbus-1/services/org.freedesktop.impl.portal.desktop.ferese.service
+if [[ -e $service ]] && ! cmp -s "$repo_dir/packaging/portal/$(basename "$service")" "$service"; then
+    echo "Unmanaged portal service exists: $service" >&2; exit 1
+fi
+
 desktop-file-validate "$repo_dir/packaging/ferese.desktop"
 desktop-file-validate "$repo_dir/packaging/dev.ferese.Settings.desktop"
 
@@ -64,10 +79,11 @@ install -d -m 0755 -- "$release_dir" /usr/local/bin /usr/share/wayland-sessions
 if [[ -e $session_entry ]]; then
     install -m 0644 -- "$session_entry" "$release_dir/session.previous.desktop"
 fi
-for name in ferese ferese-shell ferese-settings feresectl ferese-lock; do
+for name in ferese ferese-shell ferese-settings feresectl ferese-lock xdg-desktop-portal-ferese; do
     install -m 0755 -- "$repo_dir/target/release/$name" "$release_dir/$name"
 done
 install -m 0755 -- "$repo_dir/packaging/ferese-session" "$release_dir/ferese-session"
+install -m 0755 -- "$repo_dir/packaging/ferese-session-shell" "$release_dir/ferese-session-shell"
 install -m 0755 -- "$repo_dir/packaging/ferese-screenshot" "$release_dir/ferese-screenshot"
 install -m 0644 -- "$repo_dir/packaging/config.kdl" "$release_dir/config.example.kdl"
 install -D -m 0644 -- "$repo_dir/assets/fonts/Comfortaa-LICENSE.txt" "$release_dir/licenses/Comfortaa-LICENSE.txt"
@@ -85,12 +101,15 @@ if [[ -L $install_root/current ]]; then
 fi
 ln -s -- "releases/$release_id" "$install_root/current-$release_id"
 mv -Tf -- "$install_root/current-$release_id" "$install_root/current"
-for name in ferese ferese-shell ferese-settings feresectl ferese-session ferese-lock ferese-screenshot; do
+for name in ferese ferese-shell ferese-settings feresectl ferese-session ferese-lock ferese-screenshot xdg-desktop-portal-ferese; do
     ln -sfn -- "$install_root/current/$name" "/usr/local/bin/$name"
 done
 install -m 0644 -- "$repo_dir/packaging/ferese.desktop" "$session_entry"
 install -D -m 0644 -- "$repo_dir/packaging/dev.ferese.Settings.desktop" /usr/local/share/applications/dev.ferese.Settings.desktop
 install -D -m 0644 -- "$repo_dir/packaging/icons/ferese.svg" /usr/local/share/icons/hicolor/scalable/apps/dev.ferese.Settings.svg
 install -D -m 0644 -- "$repo_dir/packaging/icons/ferese.svg" /usr/local/share/icons/hicolor/scalable/apps/ferese.svg
+install -D -m 0644 -- "$repo_dir/packaging/portal/ferese.portal" /usr/share/xdg-desktop-portal/portals/ferese.portal
+install -D -m 0644 -- "$repo_dir/packaging/portal/ferese-portals.conf" /usr/share/xdg-desktop-portal/ferese-portals.conf
+install -D -m 0644 -- "$repo_dir/packaging/portal/org.freedesktop.impl.portal.desktop.ferese.service" "$service"
 if command -v update-desktop-database >/dev/null; then update-desktop-database /usr/local/share/applications || true; fi
 echo "Installed Ferese $release_id. Select Ferese at your login screen, or run /usr/local/bin/ferese-session from a local TTY."