fix linux CI builds

Author: mastercoms

src/buildallprojects

@@ -35,12 +35,14 @@ fi
 
 solution_out="_vpc_/ninja/sdk_everything_${VPC_NINJA_EXTRA_SUFFIX}$VPC_NINJA_BUILD_MODE"
 
-if [[ ! -e "$solution_out.ninja" ]]; then
-    sudo -n apt-get install libasio-dev
+if [ -n "${GITHUB_ACTIONS+x}" ]; then
+    sudo apt-get install libasio-dev
     gh release download --pattern 'Crow*.deb' -R CrowCpp/Crow -O Crow.deb
-    sudo -n dpkg -i Crow.deb
+    sudo dpkg -i Crow.deb
     rm Crow.deb
-    
+fi
+
+if [[ ! -e "$solution_out.ninja" ]]; then
     devtools/bin/vpc /tf /linux64 /ninja /define:SOURCESDK ${VPC_EXTRA_ARGS} +everything /mksln "$solution_out"
 
     # Generate compile commands.

src/sdk_container

@@ -26,13 +26,19 @@ function run_in_sniper() {
         mod_src_dir_name=$(basename -- "$mod_src_dir")
         mod_base_dir=$(dirname -- "$mod_src_dir")
 
+        if [ -n "${GITHUB_ACTIONS+x}" ]; then
+            USERNS=""
+        else
+            USERNS="--userns=keep-id"
+        fi
+
         image="registry.gitlab.steamos.cloud/steamrt/sniper/sdk:latest"
         echo "Running script inside $image"
         # you need a recent version of podman, tested on 5.6
         exec podman run \
             --env "$check_env=$script_file" \
             --env "CCACHE_DIR=${my_ccache_dir}" \
-            --userns=keep-id \
+            $USERNS \
             --rm -it \
             --mount type=bind,\"source="${my_ccache_dir}"\",\"target="${my_ccache_dir}"\" \
             --mount type=bind,\"source="${mod_base_dir}"\",\"target="/tc2/"\" \