Fix CI script path: hardcode SCRIPT_DIR, add shellcheck directive

Author: sebsto

.github/workflows/scripts/check-archive-plugin.sh

@@ -19,7 +19,7 @@ fatal() { error "$@"; exit 1; }
 
 test -n "${EXAMPLE:-}" || fatal "EXAMPLE unset"
 
-SCRIPT_DIR="$(dirname "$0")"
+SCRIPT_DIR=".github/workflows/scripts"
 
 OUTPUT_DIR=.build/plugins/AWSLambdaPackager/outputs/AWSLambdaPackager
 OUTPUT_FILE=${OUTPUT_DIR}/MyLambda/bootstrap
@@ -28,6 +28,7 @@ ZIP_FILE=${OUTPUT_DIR}/MyLambda/MyLambda.zip
 pushd "Examples/${EXAMPLE}" || exit 1
 
 # Use the local checkout of swift-aws-lambda-runtime instead of the published release
+# shellcheck source=use-local-deps.sh
 source "$SCRIPT_DIR/use-local-deps.sh"
 
 # package the example (docker and swift toolchain are installed on the GH runner)

.github/workflows/scripts/check-link-foundation.sh

@@ -22,11 +22,12 @@ OUTPUT_DIR=.build/release
 OUTPUT_FILE=${OUTPUT_DIR}/APIGatewayLambda
 LIBS_TO_CHECK="libFoundation.so libFoundationInternationalization.so lib_FoundationICU.so"
 
-SCRIPT_DIR="$(dirname "$0")"
+SCRIPT_DIR=".github/workflows/scripts"
 
 pushd Examples/${EXAMPLE} || fatal "Failed to change directory to Examples/${EXAMPLE}."
 
 # Use the local checkout of swift-aws-lambda-runtime instead of the published release
+# shellcheck source=use-local-deps.sh
 source "$SCRIPT_DIR/use-local-deps.sh"
 
 # recompile the example without the --static-swift-stdlib flag

.github/workflows/scripts/integration_tests.sh

@@ -24,11 +24,12 @@ test -n "${SWIFT_VERSION:-}" || fatal "SWIFT_VERSION unset"
 test -n "${COMMAND:-}" || fatal "COMMAND unset"
 test -n "${EXAMPLE:-}" || fatal "EXAMPLE unset"
 
-SCRIPT_DIR="$(dirname "$0")"
+SCRIPT_DIR=".github/workflows/scripts"
 
 pushd Examples/"$EXAMPLE" > /dev/null
 
 # Use the local checkout of swift-aws-lambda-runtime instead of the published release
+# shellcheck source=use-local-deps.sh
 source "$SCRIPT_DIR/use-local-deps.sh"
 
 log "Running command with Swift $SWIFT_VERSION"