scripts: gha: exit if we can't move to a specified directory

scripts/gha/build_motomagx.sh

@@ -3,12 +3,12 @@
 . scripts/lib.sh
 . /opt/toolchains/motomagx/setenv-z6.sh
 
-cd $GITHUB_WORKSPACE
+cd $GITHUB_WORKSPACE || die
 
 mkdir -p Xash/valve/cl_dlls
 mkdir -p Xash/valve/dlls
 
-pushd hlsdk
+pushd hlsdk || die
 ./waf configure -T fast --enable-magx --enable-simple-mod-hacks build install --destdir=../Xash || die
 popd
 

scripts/gha/build_nswitch.sh

@@ -15,6 +15,6 @@ docker run --name xash-build --rm -v `pwd`:`pwd` -w `pwd` devkitpro/devkita64:la
 
 echo "Packaging artifacts..."
 
-pushd pkgtemp
+pushd pkgtemp || die
 7z a -t7z ../artifacts/xash3d-fwgs-nswitch.7z -m0=lzma2 -mx=9 -mfb=64 -md=32m -ms=on -r xash3d/
 popd

scripts/gha/build_nswitch_docker.sh

@@ -44,8 +44,7 @@ echo "Building engine..."
 
 echo "Building HLSDK..."
 
-# TODO: replace with hlsdk-portable when PRs are merged
+pushd hlsdk-portable || die
-pushd hlsdk-portable
 build_hlsdk mobile_hacks valve
 build_hlsdk opfor gearbox
 build_hlsdk bshift bshift