Add allow-not-found input in case artifact does not exist

action.yml

@@ -17,6 +17,10 @@ inputs:
       If false, the downloaded artifacts will be extracted into individual named directories within the specified path.'
     required: false
     default: 'false'
+  allow-not-found:
+    description: 'If an artifact was not found, do not cause the action to fail.'
+    required: false
+    default: 'false'
   github-token:
     description: 'The GitHub token used to authenticate with the GitHub API.
       This is required when downloading artifacts from a different repository or from a different workflow run.

dist/index.js

@@ -120473,6 +120473,7 @@ var Inputs;
     Inputs["RunID"] = "run-id";
     Inputs["Pattern"] = "pattern";
     Inputs["MergeMultiple"] = "merge-multiple";
+    Inputs["AllowNotFound"] = "allow-not-found";
 })(Inputs || (exports.Inputs = Inputs = {}));
 var Outputs;
 (function (Outputs) {
@@ -120546,7 +120547,10 @@ function run() {
             repository: core.getInput(constants_1.Inputs.Repository, { required: false }),
             runID: parseInt(core.getInput(constants_1.Inputs.RunID, { required: false })),
             pattern: core.getInput(constants_1.Inputs.Pattern, { required: false }),
-            mergeMultiple: core.getBooleanInput(constants_1.Inputs.MergeMultiple, { required: false })
+            mergeMultiple: core.getBooleanInput(constants_1.Inputs.MergeMultiple, {
+                required: false
+            }),
+            allowNotFound: core.getBooleanInput(constants_1.Inputs.AllowNotFound, { required: false })
         };
         if (!inputs.path) {
             inputs.path = process.env['GITHUB_WORKSPACE'] || process.cwd();
@@ -120555,7 +120559,7 @@ function run() {
             inputs.path = inputs.path.replace('~', os.homedir());
         }
         const isSingleArtifactDownload = !!inputs.name;
-        const resolvedPath = path.resolve(inputs.path);
+        let resolvedPath = path.resolve(inputs.path);
         core.debug(`Resolved path is ${resolvedPath}`);
         const options = {};
         if (inputs.token) {
@@ -120573,12 +120577,23 @@ function run() {
         let artifacts = [];
         if (isSingleArtifactDownload) {
             core.info(`Downloading single artifact`);
-            const { artifact: targetArtifact } = yield artifact_1.default.getArtifact(inputs.name, options);
+            const targetArtifact = yield artifact_1.default
+                .getArtifact(inputs.name, options)
+                .catch(() => null);
             if (!targetArtifact) {
-                throw new Error(`Artifact '${inputs.name}' not found`);
+                const message = `Artifact '${inputs.name}' not found`;
+                if (!inputs.allowNotFound) {
+                    throw new Error(message);
+                }
+                else {
+                    core.warning(message);
+                    resolvedPath = '';
+                }
+            }
+            else {
+                core.debug(`Found named artifact '${inputs.name}' (ID: ${targetArtifact.artifact.id}, Size: ${targetArtifact.artifact.size})`);
+                artifacts = [targetArtifact.artifact];
             }
-            core.debug(`Found named artifact '${inputs.name}' (ID: ${targetArtifact.id}, Size: ${targetArtifact.size})`);
-            artifacts = [targetArtifact];
         }
         else {
             const listArtifactResponse = yield artifact_1.default.listArtifacts(Object.assign({ latest: true }, options));

src/constants.ts

@@ -5,7 +5,8 @@ export enum Inputs {
   Repository = 'repository',
   RunID = 'run-id',
   Pattern = 'pattern',
-  MergeMultiple = 'merge-multiple'
+  MergeMultiple = 'merge-multiple',
+  AllowNotFound = 'allow-not-found'
 }
 
 export enum Outputs {

src/download-artifact.ts

@@ -23,7 +23,10 @@ async function run(): Promise<void> {
     repository: core.getInput(Inputs.Repository, {required: false}),
     runID: parseInt(core.getInput(Inputs.RunID, {required: false})),
     pattern: core.getInput(Inputs.Pattern, {required: false}),
-    mergeMultiple: core.getBooleanInput(Inputs.MergeMultiple, {required: false})
+    mergeMultiple: core.getBooleanInput(Inputs.MergeMultiple, {
+      required: false
+    }),
+    allowNotFound: core.getBooleanInput(Inputs.AllowNotFound, {required: false})
   }
 
   if (!inputs.path) {
@@ -35,7 +38,7 @@ async function run(): Promise<void> {
   }
 
   const isSingleArtifactDownload = !!inputs.name
-  const resolvedPath = path.resolve(inputs.path)
+  let resolvedPath = path.resolve(inputs.path)
   core.debug(`Resolved path is ${resolvedPath}`)
 
   const options: FindOptions = {}
@@ -60,20 +63,25 @@ async function run(): Promise<void> {
   if (isSingleArtifactDownload) {
     core.info(`Downloading single artifact`)
 
-    const {artifact: targetArtifact} = await artifactClient.getArtifact(
+    const targetArtifact = await artifactClient
-      inputs.name,
+      .getArtifact(inputs.name, options)
-      options
+      .catch(() => null)
-    )
 
     if (!targetArtifact) {
-      throw new Error(`Artifact '${inputs.name}' not found`)
+      const message = `Artifact '${inputs.name}' not found`
+      if (!inputs.allowNotFound) {
+        throw new Error(message)
+      } else {
+        core.warning(message)
+        resolvedPath = ''
+      }
+    } else {
+      core.debug(
+        `Found named artifact '${inputs.name}' (ID: ${targetArtifact.artifact.id}, Size: ${targetArtifact.artifact.size})`
+      )
+
+      artifacts = [targetArtifact.artifact]
     }
-
-    core.debug(
-      `Found named artifact '${inputs.name}' (ID: ${targetArtifact.id}, Size: ${targetArtifact.size})`
-    )
-
-    artifacts = [targetArtifact]
   } else {
     const listArtifactResponse = await artifactClient.listArtifacts({
       latest: true,