Revert "more complete backward compatibility (#775)"

This reverts commit 332e731.

Author: brettlangdon

scripts/build_layers.sh

@@ -116,23 +116,21 @@ function search_wheel {
 }
 
 function docker_build_zip {
-    # Args: [python version] [zip destination] [wheel base name] [index]
+    # Args: [python version] [zip destination]
 
     destination=$(make_path_absolute $2)
     arch=$3
-    wheel_basename=$4
-    index=$5
 
     # Restore pyproject.toml to a clean state for each build iteration
     cp pyproject.toml.bak pyproject.toml
 
     # Replace ddtrace source if necessary
     if [ -n "$DD_TRACE_COMMIT" ]; then
-        replace_ddtrace_dep "${wheel_basename} = { git = \"https://github.com/DataDog/dd-trace-py.git\", rev = \"$DD_TRACE_COMMIT\" }"
+        replace_ddtrace_dep "ddtrace = { git = \"https://github.com/DataDog/dd-trace-py.git\", rev = \"$DD_TRACE_COMMIT\" }"
     elif [ -n "$DD_TRACE_COMMIT_BRANCH" ]; then
-        replace_ddtrace_dep "${wheel_basename} = { git = \"https://github.com/DataDog/dd-trace-py.git\", branch = \"$DD_TRACE_COMMIT_BRANCH\" }"
+        replace_ddtrace_dep "ddtrace = { git = \"https://github.com/DataDog/dd-trace-py.git\", branch = \"$DD_TRACE_COMMIT_BRANCH\" }"
     elif [ -n "$DD_TRACE_WHEEL" ]; then
-        replace_ddtrace_dep "${wheel_basename} = { file = \"$DD_TRACE_WHEEL\" }"
+        replace_ddtrace_dep "ddtrace = { file = \"$DD_TRACE_WHEEL\" }"
     elif [ -n "$UPSTREAM_PIPELINE_ID" ]; then
         S3_BASE="https://dd-trace-py-builds.s3.amazonaws.com/${UPSTREAM_PIPELINE_ID}"
         if [ "${arch}" = "amd64" ]; then
@@ -141,7 +139,10 @@ function docker_build_zip {
             PLATFORM="manylinux2014_aarch64"
         fi
         PY_TAG="cp$(echo "$1" | tr -d '.')"
-        search_wheel ${wheel_basename} ${index}
+        search_wheel "ddtrace_serverless" "serverless"
+        if [ -z "${WHEEL_FILE}" ]; then
+            search_wheel "ddtrace" "manylinux2014"
+        fi
         if [ -z "${WHEEL_FILE}" ]; then
             echo "No S3 wheel found for ${PY_TAG} ${PLATFORM}, using default pyproject.toml version"
         fi
@@ -162,7 +163,6 @@ function docker_build_zip {
 
     rm -rf $temp_dir
     echo "Done creating archive $destination"
-    rm pyproject.toml.bak
 }
 
 rm -rf $LAYER_DIR
@@ -173,10 +173,7 @@ do
     for architecture in "${ARCHS[@]}"
     do
         echo "Building layer for Python ${python_version} arch=${architecture}"
-        docker_build_zip ${python_version} $LAYER_DIR/${LAYER_FILES_PREFIX}-${architecture}-${python_version}.zip ${architecture} "ddtrace_serverless" "serverless" || true
-        if [ -f pyproject.toml.bak ]; then  # true means the previous attempt failed
-            docker_build_zip ${python_version} $LAYER_DIR/${LAYER_FILES_PREFIX}-${architecture}-${python_version}.zip ${architecture} "ddtrace" "manylinux2014"
-        fi
+        docker_build_zip ${python_version} $LAYER_DIR/${LAYER_FILES_PREFIX}-${architecture}-${python_version}.zip ${architecture}
     done
 done