[no-relnote] Update release scripts for distroless

Signed-off-by: Evan Lezar <elezar@nvidia.com>

Author: elezar

hack/pull-packages.sh

@@ -53,6 +53,6 @@ docker run --rm \
     -v $(pwd):$(pwd) \
     -w $(pwd) \
     -u $(id -u):$(id -g) \
-    --entrypoint="bash" \
+    --entrypoint="sh" \
         ${IMAGE} \
-        -c "cp --preserve=timestamps -R /artifacts/* ${DIST_DIR}"
+        -c "cp -p -R /artifacts/* ${DIST_DIR}"

scripts/extract-packages.sh

@@ -70,9 +70,9 @@ function copy-file() {
         -v "$(pwd):$(pwd)" \
         -w "$(pwd)" \
         -u "$(id -u):$(id -g)" \
-        --entrypoint="bash" \
+        --entrypoint="sh" \
             "${image}" \
-            -c "cp ${path_in_image} ${path_on_host}"
+            -c "cp -p ${path_in_image} ${path_on_host}"
     fi
 }
 

scripts/utils.sh

@@ -96,9 +96,9 @@ function copy_file() {
         -v "$(pwd):$(pwd)" \
         -w "$(pwd)" \
         -u "$(id -u):$(id -g)" \
-        --entrypoint="bash" \
+        --entrypoint="sh" \
             "${image}" \
-            -c "cp ${path_in_image} ${path_on_host}"
+            -c "cp -p ${path_in_image} ${path_on_host}"
     fi
 }