Fix issue where truncated job names would cause the job to fail.

.github/workflows/example-reusable-from-matrix.yml

@@ -0,0 +1,29 @@
+name: Example Reusable Workflow Called From a Matrix
+on:
+  workflow_call:
+    inputs:
+      id:
+        required: true
+        type: string
+      input_1:
+        required: true
+        type: string
+      input_2:
+        required: false
+        default: ''
+        type: string
+      workflow-context:
+        required: true
+        type: string
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - run: env | grep GITHUB_
+
+      - uses: actions/checkout@v4
+
+      - uses: ./
+        with:
+          workflow-context: ${{ inputs.workflow-context }}

.github/workflows/matrix-example.yaml

@@ -0,0 +1,42 @@
+name: Example Matrix Action
+
+on:
+  push:
+    branches: ['main']
+  workflow_dispatch:
+
+jobs:
+  build-with-reusable-workflow-with-matrix-inputs:
+    strategy:
+      fail-fast: false
+      matrix:
+        inputs: [
+          {id: '1.1', input_1: 'In_this_input_we_are_testing_very_very_very_long_strings', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},
+          {id: '1.1', input_1: 'In_this_input_we_are_testing_very_very_very_long_strings', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},
+          {id: '1.1', input_1: 'In_this_input_we_are_testing_very_very_very_long_strings', input_2: 'In_this_input_we_are_testing_very_very_very_long_string'},
+          {id: '1.2', input_1: 'Example', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},
+          {id: '1.3', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},]
+    uses: ./.github/workflows/example-reusable-from-matrix.yml
+    with:
+      id: ${{matrix.inputs.id}} # Id to seperate the different runs
+      input_2: ${{matrix.inputs.input_2}}
+      input_1: ${{matrix.inputs.input_1}}
+      workflow-context: build-with-reusable-workflow-with-matrix-inputs, ${{ toJSON(matrix) }}
+
+  build-with-reusable-workflow-with-limit:
+    strategy:
+      max-parallel: 2
+      fail-fast: false
+      matrix:
+        inputs: [
+          {id: '2.1', input_1: 'In_this_input_we_are_testing_very_very_very_long_strings', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},
+          {id: '2.1', input_1: 'In_this_input_we_are_testing_very_very_very_long_strings', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},
+          {id: '2.1', input_1: 'In_this_input_we_are_testing_very_very_very_long_strings', input_2: 'In_this_input_we_are_testing_very_very_very_long_string'},
+          {id: '2.2', input_1: 'Example', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},
+          {id: '2.3', input_2: 'In_this_input_we_are_testing_very_very_very_long_strings'},]
+    uses: ./.github/workflows/example-reusable-from-matrix.yml
+    with:
+      id: ${{matrix.inputs.id}} # Id to seperate the different runs
+      input_2: ${{matrix.inputs.input_2}}
+      input_1: ${{matrix.inputs.input_1}}
+      workflow-context: build-with-reusable-workflow-with-limit, ${{ toJSON(matrix) }}

action.yaml

@@ -14,6 +14,8 @@ inputs:
   # --- Workarounds for missing GitHub Actions context variables ---
   job-name:
     default: '${{ github.job }}'
+  runner-name:
+    default: '${{ runner.name }}'
   '#job-matrix':
     description: 'DO NOT SET MANUALLY'
     default: '${{ toJSON(matrix) }}'

dist/index.js

@@ -44573,7 +44573,8 @@ function getAbsoluteJobName({ job, matrix, workflowContextChain }) {
             actualJobName = `${actualJobName} (${flatValues.join(', ')})`;
         }
     }
-    if (actualJobName.length > 97) {
+    // If the job name is too long, github truncates it and adds an ellipsis
+    if (actualJobName.length > 97 && actualJobName.charAt(97) != ')') {
         actualJobName = actualJobName.substring(0, 97) + '...';
     }
     workflowContextChain?.forEach((workflowContext) => {
@@ -44634,15 +44635,24 @@ async function getJobObject(octokit) {
         }
         throw error;
     });
-    const currentJob = workflowRunJobs.find((job) => job.name === absoluteJobName);
+    const runnerName = getInput('runner-name', { required: true });
+    //In the case of truncated job name, the runner name was the only other way i could find to identify the job
+    // This still might produce a run that points to the wrong job, but it's the best I could do
+    const currentJob = workflowRunJobs.filter((job) => job.name === absoluteJobName && job.status === "in_progress" && job.runner_name === runnerName);
     if (!currentJob) {
         throw new Error(`Current job '${absoluteJobName}' could not be found in workflow run.\n` +
             'If this action is used within a reusable workflow, ensure that ' +
             'action input \'workflow-context\' is set to ${{ inputs.workflow-context }}' +
             'and workflow input \'workflow-context\' was set to \'"CALLER_JOB_NAME", ${{ toJSON(matrix) }}\'' +
             'or \'"CALLER_JOB_NAME", ${{ toJSON(matrix) }}, ${{ inputs.workflow-context }}\' in case of a nested workflow.');
     }
-    const jobObject = { ...currentJob, };
+    else if (currentJob.length != 1) {
+        throw new Error(`Current job '${absoluteJobName}' returned multiple matches'.\n` +
+            'If this action is used within a reusable workflow, or matrix please ensure that the job name is unique.' +
+            'If the length of \'"CALLER_JOB_NAME" + ${{ toJSON(matrix) }}\' exceeds 97 characters' +
+            'Github Actions may have truncated it. Thus, potentially making it non unique. ');
+    }
+    const jobObject = { ...currentJob[0], };
     return _jobObject = jobObject;
 }
 let _deploymentObject;

lib/actions.ts

@@ -1,6 +1,6 @@
 import * as core from '@actions/core'
 import {InputOptions} from '@actions/core'
-import {z, ZodSchema} from 'zod'
+import {array, z, ZodSchema} from 'zod'
 import {Context} from '@actions/github/lib/context';
 import process from 'node:process';
 import {_throw, getFlatValues, JsonObject, JsonObjectSchema, JsonParser, YamlParser} from './common.js';
@@ -212,7 +212,8 @@ function getAbsoluteJobName({job, matrix, workflowContextChain}: {
       actualJobName = `${actualJobName} (${flatValues.join(', ')})`
     }
   }
-  if (actualJobName.length > 97) {
+  // If the job name is too long, github truncates it and adds an ellipsis
+  if (actualJobName.length > 97 && actualJobName.charAt(97) != ')') {
     actualJobName = actualJobName.substring(0, 97) + '...'
   }
 
@@ -286,17 +287,26 @@ export async function getJobObject(octokit: InstanceType<typeof GitHub>): Promis
     throw error
   })
 
-  const currentJob = workflowRunJobs.find((job) => job.name === absoluteJobName)
+
+  const runnerName = getInput('runner-name', {required: true})
+  //In the case of truncated job name, the runner name was the only other way i could find to identify the job
+  // This still might produce a run that points to the wrong job, but it's the best I could do
+  const currentJob = workflowRunJobs.filter((job) => job.name === absoluteJobName && job.status=== "in_progress" && job.runner_name === runnerName)
   if (!currentJob) {
     throw new Error(`Current job '${absoluteJobName}' could not be found in workflow run.\n` +
         'If this action is used within a reusable workflow, ensure that ' +
         'action input \'workflow-context\' is set to ${{ inputs.workflow-context }}' +
         'and workflow input \'workflow-context\' was set to \'"CALLER_JOB_NAME", ${{ toJSON(matrix) }}\'' +
         'or \'"CALLER_JOB_NAME", ${{ toJSON(matrix) }}, ${{ inputs.workflow-context }}\' in case of a nested workflow.'
     )
+  } else if (currentJob.length != 1) {
+    throw new Error(`Current job '${absoluteJobName}' returned multiple matches'.\n` +
+      'If this action is used within a reusable workflow, or matrix please ensure that the job name is unique.' +
+      'If the length of \'"CALLER_JOB_NAME" + ${{ toJSON(matrix) }}\' exceeds 97 characters' +
+      'Github Actions may have truncated it. Thus, potentially making it non unique. '
+    )
   }
-
-  const jobObject = {...currentJob,}
+  const jobObject = {...currentJob[0],}
   return _jobObject = jobObject;
 }