Add app reload hook

toltec/hooks/app-reload.py

@@ -0,0 +1,47 @@
+"""
+Build hook for automatically reloading applications in oxide
+
+After the artifacts are packaged, this hook looks for files in either
+/opt/etc/draft or /opt/usr/share/applications and adds reload-oxide-apps to
+configure, postupgrade, and postremove
+"""
+import os
+import logging
+
+from toltec.builder import Builder
+from toltec.recipe import Package
+from toltec.util import listener
+
+logger = logging.getLogger(__name__)
+
+oxide_hook = """
+if systemctl --quiet is-active tarnish.service 2> /dev/null; then
+    echo -n "Reloading Oxide applications: "
+    local ret
+    if type update-desktop-database &> /dev/null; then
+        update-desktop-database --quiet
+        ret=$?
+    else
+        /opt/bin/rot apps call reload 2> /dev/null
+        ret=$?
+    fi
+    if [ $ret -eq 0 ]; then
+        echo "Done!"
+    else
+        echo "Failed!"
+    fi
+fi
+"""
+
+
+def register(builder: Builder) -> None:
+    @listener(builder.post_package)
+    def post_package(
+        builder: Builder, package: Package, src_dir: str, pkg_dir: str
+    ) -> None:
+        if os.path.exists(
+            os.path.join(pkg_dir, "opt/usr/share/applications")
+        ) or os.path.exists(os.path.join(pkg_dir, "opt/etc/draft")):
+            package.configure += oxide_hook
+            package.postupgrade += oxide_hook
+            package.postremove += oxide_hook