Resolve reviews

Signed-off-by: divyansh42 <diagrawa@redhat.com>

README.md

@@ -28,12 +28,13 @@ After building your image, use [push-to-registry](https://github.com/redhat-acti
 | arch | Label the image with this architecture, instead of defaulting to the host architecture. Refer to [Multi arch builds](#multi-arch-builds) for more information. | None (host architecture)
 | build-args | Build arguments to pass to the Docker build using `--build-arg`, if using a Containerfile that requires ARGs. Use the form `arg_name=arg_value`, and separate arguments with newlines. | None
 | context | Path to directory to use as the build context. | `.`
-| containerfiles | The list of Containerfile paths to perform a build using docker instructions. This is a multiline input to allow multiple Containerfiles. | **Must be provided**
+| containerfiles* | The list of Containerfile paths to perform a build using docker instructions. This is a multiline input to allow multiple Containerfiles. | **Must be provided**
 | extra-args | Extra args to be passed to buildah bud. Separate arguments by newline. Do not use quotes. | None
 | image | Name to give to the output image. | **Must be provided**
 | layers | Set to true to cache intermediate layers during the build process. | None
 | oci | Build the image using the OCI format, instead of the Docker format. By default, this is `false`, because images built using the OCI format have issues when published to Dockerhub. | `false`
 | tags | The tags of the image to build. For multiple tags, separate by a space. For example, `latest ${{ github.sha }}` | `latest`
+> *Input `containerfiles` was previously `dockerfiles`. Now input `dockerfiles` is supported alias of `containerfiles`. For details see the [linked issue](https://github.com/redhat-actions/buildah-build/issues/57).
 
 <a id="scratch-build-inputs"></a>
 

src/utils.ts

@@ -72,8 +72,9 @@ export function getArch(): string {
 
     if (arch && archs) {
         core.warning(
-            `Please use only one input of "${Inputs.ARCH}" and "${Inputs.ARCHS}". "${Inputs.ARCH}" takes precedence, `
-            + `so --arch argument will be "${arch}".`
+            `Both "${Inputs.ARCH}" and "${Inputs.ARCHS}" inputs are set. `
+            + `Please use only one of these two inputs, as they are aliases of one another. `
+            + `"${Inputs.ARCH}" takes precedence.`
         );
     }
 
@@ -88,8 +89,9 @@ export function getContainerfiles(): string[] {
 
     if (containerfiles.length !== 0 && dockerfiles.length !== 0) {
         core.warning(
-            `Please use only one input of "${Inputs.CONTAINERFILES}" and "${Inputs.DOCKERFILES}". `
-            + `"${Inputs.CONTAINERFILES}" takes precedence, `
+            `Both "${Inputs.CONTAINERFILES}" and "${Inputs.DOCKERFILES}" inputs are set. `
+            + `Please use only one of these two inputs, as they are aliases of one another. `
+            + `"${Inputs.CONTAINERFILES}" takes precedence.`
         );
     }
 
@@ -101,11 +103,11 @@ export function getInputList(name: string): string[] {
     if (!items) {
         return [];
     }
-    return items
-        .split(/\r?\n/)
+    const splitItems = splitByNewline(items);
+    return splitItems
         .filter((x) => x)
         .reduce<string[]>(
-            (acc, line) => acc.concat(line).map((pat) => pat.trim()),
+            (acc, line) => acc.concat(line).map((item) => item.trim()),
             [],
         );
 }