build: use getMultilineInput from core toolkit

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

.github/workflows/build.yml

@@ -86,10 +86,7 @@ jobs:
           INPUT_META-IMAGE: ${{ inputs.meta-image }}
         with:
           script: |
-            function getInputList(name) {
-              return core.getInput(name) ? core.getInput(name).split(/[\r?\n,]+/).filter(x => x !== '') : [];
-            }
-            if (getInputList('meta-image').length > 1) {
+            if (core.getMultilineInput('meta-image').length > 1) {
               throw new Error('Only one meta-image is allowed');
             }
       -
@@ -134,11 +131,8 @@ jobs:
           INPUT_TAGS: ${{ steps.meta.outputs.tags }}
         with:
           script: |
-            function getInputList(name) {
-              return core.getInput(name) ? core.getInput(name).split(/[\r?\n,]+/).filter(x => x !== '') : [];
-            }
             await core.group(`Get attestations digest`, async () => {
-              await exec.getExecOutput('docker', ['buildx', 'imagetools', 'inspect', getInputList('tags')[0], '--format', '{{json .Manifest}}'], {
+              await exec.getExecOutput('docker', ['buildx', 'imagetools', 'inspect', core.getMultilineInput('tags')[0], '--format', '{{json .Manifest}}'], {
                 ignoreReturnCode: true,
                 silent: true
               }).then(res => {
@@ -164,11 +158,8 @@ jobs:
           INPUT_DIGESTS: ${{ steps.attest.outputs.digests }}
         with:
           script: |
-            function getInputList(name) {
-              return core.getInput(name) ? core.getInput(name).split(/[\r?\n,]+/).filter(x => x !== '') : [];
-            }
-            const tags = getInputList('tags');
-            const digests = getInputList('digests');
+            const tags = core.getMultilineInput('tags');
+            const digests = core.getMultilineInput('digests');
             const images = [];
             for (const tag of tags) {
               for (const digest of digests) {
@@ -191,12 +182,8 @@ jobs:
           INPUT_DIGESTS: ${{ steps.attest.outputs.digests }}
         with:
           script: |
-            function getInputList(name) {
-              return core.getInput(name) ? core.getInput(name).split(/[\r?\n,]+/).filter(x => x !== '') : [];
-            }
-            const tags = getInputList('tags');
-            const digests = getInputList('digests');
-            const images = [];
+            const tags = core.getMultilineInput('tags');
+            const digests = core.getMultilineInput('digests');
             for (const tag of tags) {
               for (const digest of digests) {
                 await core.group(`Verifying ${tag}@${digest}`, async () => {
@@ -219,12 +206,8 @@ jobs:
           INPUT_IMAGE-DIGEST: ${{ steps.build.outputs.digest }}
         with:
           script: |
-            function getInputList(name) {
-              return core.getInput(name) ? core.getInput(name).split(/[\r?\n,]+/).filter(x => x !== '') : [];
-            }
-            
             let createArgs = ['buildx', 'imagetools', 'create'];
-            for (const tag of getInputList('tags')) {
+            for (const tag of core.getMultilineInput('tags')) {
               createArgs.push('-t', tag);
             }
             createArgs.push(core.getInput('image-digest'));