Add rapids-upload-artifacts-dir utility (#43)

Adds `rapids-upload-artifacts-dir` utility script for uploading
individual files from the `RAPIDS_ARTIFACTS_DIR` directory.

References: rapidsai/shared-workflows#42
rapidsai/cudf#12750

---------

Co-authored-by: AJ Schmidt <aschmidt@nvidia.com>

tools/rapids-upload-artifacts-dir

@@ -0,0 +1,23 @@
+#!/bin/bash
+# A utility that uploads individual files from $RAPIDS_ARTIFACTS_DIR to S3
+set -euo pipefail
+
+pkg_prefix="$1"
+
+if [ "${CI:-false}" = "false" ]; then
+  rapids-echo-stderr "Artifacts from local builds are not uploaded to S3."
+  exit 0
+fi
+
+if [ ! -d "${RAPIDS_ARTIFACTS_DIR}" ]; then
+  rapids-echo-stderr "Artifacts directory ${RAPIDS_ARTIFACT_DIR} not found."
+  exit 0
+fi
+
+# Upload each file found in RAPIDS_ARTIFACTS_DIR
+for art_file in "${RAPIDS_ARTIFACTS_DIR}"/* ; do
+  [ -e "$art_file" ] || continue
+  upload_name=$(basename "${art_file}")
+  pkg_name="${pkg_prefix}.${upload_name}"
+  rapids-upload-to-s3 "${pkg_name}" "${art_file}"
+done

tools/rapids-upload-conda-to-s3

@@ -20,7 +20,7 @@ esac
 if [ "${CI:-false}" = "false" ]; then
   rapids-echo-stderr "Packages from local builds cannot be uploaded to S3."
   rapids-echo-stderr "Open a PR to have successful builds uploaded."
-  exit 1
+  exit 0
 fi
 
 # Prepend `conda_` to PKG_TYPE