More shellcheck

ci/test-cuda.sh

@@ -15,7 +15,7 @@ if [[ ! -r $LIB ]]; then
 fi
 
 # shellcheck disable=SC1090    # <-- shellcheck can't follow ~
-source ~/.cargo/env
+source $HOME/.cargo/env
 export RUST_BACKTRACE=1
 cargo test --features=cuda
 

ci/test-erasure.sh

@@ -2,7 +2,7 @@
 
 set -o xtrace
 
-cd "$(dirname $0)/.."
+cd "$(dirname "$0")/.."
 
 if [[ -z "${libgf_complete_URL:-}" ]]; then
   echo libgf_complete_URL undefined