fix(packaging): fix glob expansion and missing HOME fallback

Fix glob in px4-gazebo.sh that could match multiple arch directories
by using find instead of shell glob. Add /tmp fallback when HOME is
unset in main.cpp to avoid writing to filesystem root.

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

Author: mrpollo

.github/actions/build-deb/action.yml

@@ -23,8 +23,10 @@ runs:
       uses: actions/cache/restore@v4
       with:
         path: ~/.ccache
-        key: ${{ inputs.ccache-key-prefix }}-${{ github.sha }}
+        key: ${{ inputs.ccache-key-prefix }}-${{ github.ref_name }}-${{ github.sha }}
         restore-keys: |
+          ${{ inputs.ccache-key-prefix }}-${{ github.ref_name }}-
+          ${{ inputs.ccache-key-prefix }}-${{ github.base_ref || 'main' }}-
           ${{ inputs.ccache-key-prefix }}-
 
     - name: Configure ccache
@@ -35,6 +37,9 @@ runs:
         echo "compression = true" >> ~/.ccache/ccache.conf
         echo "compression_level = 6" >> ~/.ccache/ccache.conf
         echo "max_size = ${{ inputs.ccache-max-size }}" >> ~/.ccache/ccache.conf
+        echo "hash_dir = false" >> ~/.ccache/ccache.conf
+        echo "compiler_check = content" >> ~/.ccache/ccache.conf
+        ccache -s
         ccache -z
 
     - name: Build PX4 SITL
@@ -51,7 +56,7 @@ runs:
       if: always()
       with:
         path: ~/.ccache
-        key: ${{ inputs.ccache-key-prefix }}-${{ github.sha }}
+        key: ${{ inputs.ccache-key-prefix }}-${{ github.ref_name }}-${{ github.sha }}
 
     - name: Build .deb package
       shell: bash

Tools/packaging/px4-gazebo.sh

@@ -18,8 +18,8 @@ export GZ_SIM_SERVER_CONFIG_PATH="${PX4_GZ_SERVER_CONFIG}"
 # to the unversioned libgz-physics-dartsim-plugin.so. The runtime package only
 # ships versioned .so files; the unversioned symlink lives in the -dev package.
 # Create it if missing so Gazebo finds the DART engine without installing -dev.
-GZ_PHYSICS_ENGINE_DIR=$(echo /usr/lib/*/gz-physics-7/engine-plugins)
-if [ -d "$GZ_PHYSICS_ENGINE_DIR" ]; then
+GZ_PHYSICS_ENGINE_DIR=$(find /usr/lib -maxdepth 3 -type d -name "engine-plugins" -path "*/gz-physics-7/*" 2>/dev/null | head -1)
+if [ -n "$GZ_PHYSICS_ENGINE_DIR" ] && [ -d "$GZ_PHYSICS_ENGINE_DIR" ]; then
     UNVERSIONED="$GZ_PHYSICS_ENGINE_DIR/libgz-physics-dartsim-plugin.so"
     if [ ! -e "$UNVERSIONED" ]; then
         VERSIONED=$(ls "$GZ_PHYSICS_ENGINE_DIR"/libgz-physics*-dartsim-plugin.so.* 2>/dev/null | head -1)

platforms/posix/src/px4/common/main.cpp

@@ -276,7 +276,7 @@ int main(int argc, char **argv)
 
 			} else {
 				const char *home = getenv("HOME");
-				state_base = std::string(home ? home : "") + "/.local/share";
+				state_base = std::string(home ? home : "/tmp") + "/.local/share";
 			}
 
 			working_directory = state_base + "/px4/rootfs";