ci(github/workflows): update bot secret names in dependabot rebuild workflow (#40 )

ci(github/workflows): add dependabot rebuild workflow (#39 )
chore(deps-dev): bump the npm-development group with 3 updates (#35 )
2026-02-19 09:36:41 +00:00 · 2025-11-11 11:22:04 +00:00 · 2025-11-11 11:15:08 +00:00 · 2025-11-04 09:04:09 +00:00 · 2025-10-29 13:08:22 +00:00 · 2025-10-29 13:06:38 +00:00
22 changed files with 587 additions and 346 deletions
--- a/.github/.release-please-manifest.json
+++ b/.github/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.1.1"
+  ".": "2.2.0"
 }
--- a/.github/workflows/dependabot-rebuild.yml
+++ b/.github/workflows/dependabot-rebuild.yml
@@ -0,0 +1,44 @@
+---
+name: Dependabot Rebuild
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+permissions:
+  contents: write
+  pull-requests: read
+
+jobs:
+  rebuild-dist:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' && github.event.sender.login == 'dependabot[bot]' }}
+    steps:
+      - name: Generate app token
+        id: app-token
+        uses: actions/create-github-app-token@67018539274d69449ef7c02e8e71183d1719ab42 # v2.1.4
+        with:
+          app-id: ${{ secrets.BOT_APP_ID }}
+          private-key: ${{ secrets.BOT_PRIVATE_KEY }}
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+          ref: ${{ github.head_ref }}
+      - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
+        with:
+          node-version-file: .node-version
+          cache: npm
+      - run: npm ci
+      - name: Rebuild dist
+        run: npm run bundle
+      - name: Commit and push if changed
+        run: |
+          if [ "$(git diff --ignore-space-at-eol --text dist/ | wc -l)" -gt "0" ]; then
+            git config user.name "github-actions[bot]"
+            git config user.email "github-actions[bot]@users.noreply.github.com"
+            git add dist/
+            git commit -m "chore: rebuild dist"
+            git push
+          else
+            echo "No changes to dist/"
+          fi
--- a/.gitignore
+++ b/.gitignore
@@ -98,7 +98,7 @@ typings/
 Thumbs.db

 # Ignore built ts files
-__tests__/runner/*
+tests/runner/*

 # IDE files
 .idea
--- a/.vscode/settings.shared.json
+++ b/.vscode/settings.shared.json
@@ -1,5 +1,14 @@
 {
+  "[javascript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
  "[typescript]": {
    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "[json]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "[jsonc]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
  }
 }
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -35,7 +35,7 @@ npm run package       # Build src/index.ts -> dist/index.js via Rollup
 npm run bundle        # Alias: format + package

 # Run a single test file
-NODE_OPTIONS=--experimental-vm-modules NODE_NO_WARNINGS=1 npx jest __tests__/main.test.ts
+NODE_OPTIONS=--experimental-vm-modules NODE_NO_WARNINGS=1 npx jest tests/main.test.ts

 # CI variants (suppress warnings)
 npm run ci-test       # Run tests in CI mode
@@ -65,7 +65,7 @@ npm run package:watch # Auto-rebuild on changes
  - `processTag()`: Creates/updates individual tags based on `when_exists` mode
  - `resolveRefToSha()`: Converts git refs to commit SHAs (private helper)
 - **[action.yml](action.yml)**: GitHub Action metadata (inputs/outputs)
- **[\_\_fixtures\_\_/](__fixtures__)**: Mock implementations of @actions/core,
+- **[tests/fixtures/](tests/fixtures)**: Mock implementations of @actions/core,
  @actions/github, and csv-parse for testing

 ### Tag Input Parsing
@@ -97,12 +97,12 @@ jest.unstable_mockModule('@actions/core', () => core)
 const { run } = await import('../src/main.ts')
 ```

-Mock fixtures live in `__fixtures__/` (e.g., `core.ts` mocks @actions/core).
+Mock fixtures live in `tests/fixtures/` (e.g., `core.ts` mocks @actions/core).

 ### Testing Best Practices

 - Consider edge cases as well as the main success path
- Tests live in `__tests__/` directory, fixtures in `__fixtures__/`
+- Tests live in `tests/` directory, fixtures in `tests/fixtures/`
 - Run tests after any refactoring to ensure coverage requirements are met
 - Use `@actions/core` package for logging (not `console`) for GitHub Actions
  compatibility
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog

+## [2.2.0](https://github.com/jimeh/update-tags-action/compare/v2.1.1...v2.2.0) (2025-10-29)
+
+
+### Features
+
+* **action:** add skipped tags output and tracking ([#33](https://github.com/jimeh/update-tags-action/issues/33)) ([6723e4d](https://github.com/jimeh/update-tags-action/commit/6723e4d4aceb3ba7314907830d8b1d5186f0a5d9))
+
 ## [2.1.1](https://github.com/jimeh/update-tags-action/compare/v2.1.0...v2.1.1) (2025-10-28)


--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ to move its own major and minor tags.
 ```yaml
 - uses: jimeh/update-tags-action@v2
  with:
-    tags: v2,v2.1
+    tags: v2,v2.2
 ```

 ```yaml
@@ -35,7 +35,7 @@ to move its own major and minor tags.
  with:
    tags: |
      v2
-      v2.1
+      v2.2
 ```

 <!-- x-release-please-end -->
@@ -122,6 +122,7 @@ jobs:
 | `tags`    | <p>List of tags that were created/updated.</p> |
 | `created` | <p>List of tags that were created.</p>         |
 | `updated` | <p>List of tags that were updated.</p>         |
+| `skipped` | <p>List of tags that were skipped.</p>         |

 <!-- action-docs-outputs source="action.yml" -->
 <!-- action-docs-runs source="action.yml" -->
--- a/action.yml
+++ b/action.yml
@@ -38,6 +38,8 @@ outputs:
    description: "List of tags that were created."
  updated:
    description: "List of tags that were updated."
+  skipped:
+    description: "List of tags that were skipped."

 runs:
  using: node24
--- a/badges/coverage.svg
+++ b/badges/coverage.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="116" height="20" role="img" aria-label="Coverage: 94.44%"><title>Coverage: 94.44%</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="116" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="63" height="20" fill="#555"/><rect x="63" width="53" height="20" fill="#4c1"/><rect width="116" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="325" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="530">Coverage</text><text x="325" y="140" transform="scale(.1)" fill="#fff" textLength="530">Coverage</text><text aria-hidden="true" x="885" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">94.44%</text><text x="885" y="140" transform="scale(.1)" fill="#fff" textLength="430">94.44%</text></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="106" height="20" role="img" aria-label="Coverage: 100%"><title>Coverage: 100%</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="106" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="63" height="20" fill="#555"/><rect x="63" width="43" height="20" fill="#4c1"/><rect width="106" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="325" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="530">Coverage</text><text x="325" y="140" transform="scale(.1)" fill="#fff" textLength="530">Coverage</text><text aria-hidden="true" x="835" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="330">100%</text><text x="835" y="140" transform="scale(.1)" fill="#fff" textLength="330">100%</text></g></svg>
--- a/dist/index.js
+++ b/dist/index.js
--- a/dist/index.js.map
+++ b/dist/index.js.map
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,30 +1,30 @@
 {
  "name": "update-tags-action",
-  "version": "2.1.1",
+  "version": "2.2.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "update-tags-action",
-      "version": "2.1.1",
+      "version": "2.2.0",
      "dependencies": {
        "@actions/core": "^1.11.1",
        "@actions/github": "^6.0.1",
        "csv-parse": "^6.1.0"
      },
      "devDependencies": {
-        "@eslint/compat": "^1.4.0",
+        "@eslint/compat": "^1.4.1",
        "@jest/globals": "^30.2.0",
        "@rollup/plugin-commonjs": "^28.0.9",
        "@rollup/plugin-node-resolve": "^16.0.3",
        "@rollup/plugin-terser": "^0.4.4",
        "@rollup/plugin-typescript": "^12.3.0",
        "@types/jest": "^30.0.0",
-        "@types/node": "^24.9.1",
+        "@types/node": "^24.10.0",
        "@typescript-eslint/eslint-plugin": "^8.46.2",
        "@typescript-eslint/parser": "^8.46.2",
        "action-docs": "^2.5.1",
-        "eslint": "^9.38.0",
+        "eslint": "^9.39.0",
        "eslint-config-prettier": "^10.1.8",
        "eslint-import-resolver-typescript": "^4.4.4",
        "eslint-plugin-import": "^2.32.0",
@@ -125,7 +125,6 @@
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      "dev": true,
      "license": "MIT",
-      "peer": true,
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@@ -675,13 +674,13 @@
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+      "version": "1.4.1",
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      "dev": true,
      "license": "Apache-2.0",
      "dependencies": {
-        "@eslint/core": "^0.16.0"
+        "@eslint/core": "^0.17.0"
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@@ -735,22 +734,22 @@
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      "dev": true,
      "license": "Apache-2.0",
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-        "@eslint/core": "^0.16.0"
+        "@eslint/core": "^0.17.0"
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    },
    "node_modules/@eslint/core": {
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@@ -819,9 +818,9 @@
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@@ -842,13 +841,13 @@
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+        "@eslint/core": "^0.17.0",
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@@ -2329,9 +2327,9 @@
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@@ -3356,7 +3351,6 @@
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-        "@eslint/config-helpers": "^0.4.1",
-        "@eslint/core": "^0.16.0",
+        "@eslint/config-helpers": "^0.4.2",
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-        "@eslint/js": "9.38.0",
-        "@eslint/plugin-kit": "^0.4.0",
+        "@eslint/js": "9.39.0",
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        "@types/estree": "1.0.8"
      },
@@ -10088,8 +10075,7 @@
      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
      "dev": true,
-      "license": "0BSD",
-      "peer": true
+      "license": "0BSD"
    },
    "node_modules/tunnel": {
      "version": "0.0.6",
@@ -10220,7 +10206,6 @@
      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
      "dev": true,
      "license": "Apache-2.0",
-      "peer": true,
      "bin": {
        "tsc": "bin/tsc",
        "tsserver": "bin/tsserver"
@@ -10294,7 +10279,6 @@
      "dev": true,
      "hasInstallScript": true,
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "napi-postinstall": "^0.3.0"
      },
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "update-tags-action",
-  "version": "2.1.1",
+  "version": "2.2.0",
  "author": "jimeh",
  "type": "module",
  "private": true,
@@ -46,18 +46,18 @@
    "csv-parse": "^6.1.0"
  },
  "devDependencies": {
-    "@eslint/compat": "^1.4.0",
+    "@eslint/compat": "^1.4.1",
    "@jest/globals": "^30.2.0",
    "@rollup/plugin-commonjs": "^28.0.9",
    "@rollup/plugin-node-resolve": "^16.0.3",
    "@rollup/plugin-terser": "^0.4.4",
    "@rollup/plugin-typescript": "^12.3.0",
    "@types/jest": "^30.0.0",
-    "@types/node": "^24.9.1",
+    "@types/node": "^24.10.0",
    "@typescript-eslint/eslint-plugin": "^8.46.2",
    "@typescript-eslint/parser": "^8.46.2",
    "action-docs": "^2.5.1",
-    "eslint": "^9.38.0",
+    "eslint": "^9.39.0",
    "eslint-config-prettier": "^10.1.8",
    "eslint-import-resolver-typescript": "^4.4.4",
    "eslint-plugin-import": "^2.32.0",
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,7 +1,7 @@
 import * as core from '@actions/core'
 import * as github from '@actions/github'
 import { getInputs } from './inputs.js'
-import { resolveDesiredTags, processTag } from './tags.js'
+import { planTagOperations, executeTagOperation } from './tags.js'

 /**
 * The main function for the action.
@@ -10,50 +10,33 @@ import { resolveDesiredTags, processTag } from './tags.js'
 */
 export async function run(): Promise<void> {
  try {
-    let inputs
-    try {
-      inputs = getInputs()
-    } catch (error) {
-      // For parsing/validation errors, pass message directly.
-      const message = error instanceof Error ? error.message : String(error)
-      core.setFailed(message)
-      return
-    }
-
-    // Create GitHub API client
+    const inputs = getInputs()
    const octokit = github.getOctokit(inputs.token)
-
-    let tags
-    try {
-      tags = await resolveDesiredTags(inputs, octokit)
-    } catch (error) {
-      // For tag resolution errors (ref resolution, tag existence checks), pass
-      // message directly.
-      const message = error instanceof Error ? error.message : String(error)
-      core.setFailed(message)
-      return
-    }
+    const operations = await planTagOperations(inputs, octokit)

    const created: string[] = []
    const updated: string[] = []
+    const skipped: string[] = []

-    // Create or update all tags.
-    for (const tag of tags) {
-      const result = await processTag(tag, octokit)
+    // Execute all planned operations.
+    for (const operation of operations) {
+      await executeTagOperation(operation, octokit)

-      if (result === 'failed') {
-        return
-      } else if (result === 'created') {
-        created.push(tag.name)
-      } else if (result === 'updated') {
-        updated.push(tag.name)
+      if (operation.operation === 'create') {
+        created.push(operation.name)
+      } else if (operation.operation === 'update') {
+        updated.push(operation.name)
+      } else if (operation.operation === 'skip') {
+        skipped.push(operation.name)
      }
    }

    core.setOutput('created', created)
    core.setOutput('updated', updated)
+    core.setOutput('skipped', skipped)
    core.setOutput('tags', created.concat(updated))
  } catch (error) {
-    core.setFailed(`Action failed with error: ${String(error)}`)
+    const message = error instanceof Error ? error.message : String(error)
+    core.setFailed(message)
  }
 }
--- a/src/tags.ts
+++ b/src/tags.ts
@@ -1,6 +1,6 @@
 import * as core from '@actions/core'
 import * as github from '@actions/github'
-import type { Inputs, WhenExistsMode } from './inputs.js'
+import type { Inputs } from './inputs.js'

 export interface ExistingTagInfo {
  commitSHA: string
@@ -8,84 +8,56 @@ export interface ExistingTagInfo {
  annotation?: string
 }

-export interface DesiredTag {
+interface BaseOperation {
  name: string
  ref: string
  sha: string
-  whenExists: WhenExistsMode
-  annotation: string
  owner: string
  repo: string
-  existing?: ExistingTagInfo
 }

-export type TagResult = 'created' | 'updated' | 'skipped' | 'failed'
+export interface CreateOperation extends BaseOperation {
+  operation: 'create'
+  annotation: string
+}

-interface TagOperationContext {
+export interface UpdateOperation extends BaseOperation {
+  operation: 'update'
+  annotation: string
+  existingSHA: string
+  existingIsAnnotated: boolean
+  reasons: string[]
+}
+
+export interface SkipOperation extends BaseOperation {
+  operation: 'skip'
+  existingIsAnnotated: boolean
+  reason: 'when_exists_skip' | 'already_matches'
+}
+
+export type TagOperation = CreateOperation | UpdateOperation | SkipOperation
+
+interface Context {
  owner: string
  repo: string
  octokit: ReturnType<typeof github.getOctokit>
 }

 /**
- * Fetch information about an existing tag, dereferencing if annotated.
- *
- * @param ctx - Operation context
- * @param existing - The existing tag reference data
- * @returns Information about the existing tag
- */
-async function fetchExistingTagInfo(
-  ctx: TagOperationContext,
-  existing: { data: { object: { sha: string; type: string } } }
-): Promise<ExistingTagInfo> {
-  const existingObject = existing.data.object
-  const isAnnotated = existingObject.type === 'tag'
-
-  if (!isAnnotated) {
-    return {
-      commitSHA: existingObject.sha,
-      isAnnotated: false
-    }
-  }
-
-  // Dereference annotated tag to get underlying commit
-  const tagObject = await ctx.octokit.rest.git.getTag({
-    owner: ctx.owner,
-    repo: ctx.repo,
-    tag_sha: existingObject.sha
-  })
-
-  return {
-    commitSHA: tagObject.data.object.sha,
-    isAnnotated: true,
-    annotation: tagObject.data.message
-  }
-}
-
-/**
- * Resolve desired tag objects from inputs.
+ * Plan tag operations based on inputs.
 *
 * @param inputs - The validated inputs containing tags, refs, and configuration
 * @param octokit - The GitHub API client
- * @returns Array of desired tags with resolved SHAs and configuration
+ * @returns Array of planned tag operations (create, update, or skip)
 */
-export async function resolveDesiredTags(
+export async function planTagOperations(
  inputs: Inputs,
  octokit: ReturnType<typeof github.getOctokit>
-): Promise<DesiredTag[]> {
-  const {
-    tags: parsedTags,
-    defaultRef,
-    whenExists,
-    annotation,
-    owner,
-    repo
-  } = inputs
-
+): Promise<TagOperation[]> {
  const uniqueRefs = new Set<string>()
-  const tags: Record<string, string> = {}
+  const tagRefs: Record<string, string> = {}

-  for (const tag of parsedTags) {
+  for (const tag of inputs.tags) {
    const parts = tag.split(':').map((s) => s.trim())
    if (parts.length > 2) {
      throw new Error(
@@ -102,51 +74,46 @@ export async function resolveDesiredTags(
      continue
    }

-    const ref = tagRef || defaultRef
+    const ref = tagRef || inputs.defaultRef
    if (!ref) {
      throw new Error("Missing ref: provide 'ref' input or specify per-tag ref")
    }

    // Check for duplicate tag with different ref
-    if (tags[tagName] && tags[tagName] !== ref) {
+    if (tagRefs[tagName] && tagRefs[tagName] !== ref) {
      throw new Error(
        `Duplicate tag '${tagName}' with different refs: ` +
-          `'${tags[tagName]}' and '${ref}'`
+          `'${tagRefs[tagName]}' and '${ref}'`
      )
    }

-    tags[tagName] = ref
+    tagRefs[tagName] = ref
    uniqueRefs.add(ref)
  }

  // Pre-resolve all unique refs in parallel.
-  const ctx: TagOperationContext = { owner, repo, octokit }
-  const refToSha: Record<string, string> = {}
+  const ctx: Context = { owner: inputs.owner, repo: inputs.repo, octokit }
+  const refSHAs: Record<string, string> = {}
  await Promise.all(
    Array.from(uniqueRefs).map(async (ref) => {
-      refToSha[ref] = await resolveRefToSha(ctx, ref)
+      refSHAs[ref] = await resolveRefToSha(ctx, ref)
    })
  )

-  // Build result array with resolved SHAs and check for existing tags.
-  const tagNames = Object.keys(tags)
-  const result: DesiredTag[] = await Promise.all(
+  // Build result array with planned operations
+  const tagNames = Object.keys(tagRefs)
+  const result: TagOperation[] = await Promise.all(
    tagNames.map(async (tagName) => {
-      const tagRef = tags[tagName]
-      const sha = refToSha[tagRef]
+      const tagRef = tagRefs[tagName]
+      const sha = refSHAs[tagRef]

      // Check if tag already exists
      let existing: ExistingTagInfo | undefined
      try {
-        const existingRef = await ctx.octokit.rest.git.getRef({
-          owner: ctx.owner,
-          repo: ctx.repo,
-          ref: `tags/${tagName}`
-        })
-        existing = await fetchExistingTagInfo(ctx, existingRef)
+        existing = await fetchTagInfo(ctx, tagName)

        // Fail early if when_exists is 'fail'
-        if (whenExists === 'fail') {
+        if (inputs.whenExists === 'fail') {
          throw new Error(`Tag '${tagName}' already exists.`)
        }
      } catch (error: unknown) {
@@ -161,37 +128,161 @@ export async function resolveDesiredTags(
              `Failed to check if tag '${tagName}' exists: ${apiError.message || String(error)}`
            )
          }
-        } else if (error instanceof Error) {
-          // Already an Error (e.g., from when_exists === 'fail')
-          throw error
        } else {
-          // Unknown error type
-          throw new Error(
-            `Failed to check if tag '${tagName}' exists: ${String(error)}`
-          )
+          throw error
        }
      }

-      return {
+      const baseOp = {
        name: tagName,
        ref: tagRef,
        sha,
-        whenExists,
-        annotation,
-        owner,
-        repo,
-        existing
+        owner: inputs.owner,
+        repo: inputs.repo
      }
+
+      // Tag doesn't exist - plan creation
+      if (!existing) {
+        return {
+          ...baseOp,
+          operation: 'create',
+          annotation: inputs.annotation
+        } as CreateOperation
+      }
+
+      // Tag exists - determine operation based on mode and state
+      if (inputs.whenExists === 'skip') {
+        return {
+          ...baseOp,
+          operation: 'skip',
+          existingIsAnnotated: existing.isAnnotated,
+          reason: 'when_exists_skip'
+        } as SkipOperation
+      }
+
+      // whenExists === 'update' - check if update is needed
+      const { commitMatches, annotationMatches } = compareTagState(
+        sha,
+        inputs.annotation,
+        existing
+      )
+
+      if (commitMatches && annotationMatches) {
+        return {
+          ...baseOp,
+          operation: 'skip',
+          existingIsAnnotated: existing.isAnnotated,
+          reason: 'already_matches'
+        } as SkipOperation
+      }
+
+      // Plan update with reasons
+      const reasons = getUpdateReasons(sha, inputs.annotation, existing)
+      return {
+        ...baseOp,
+        operation: 'update',
+        annotation: inputs.annotation,
+        existingSHA: existing.commitSHA,
+        existingIsAnnotated: existing.isAnnotated,
+        reasons
+      } as UpdateOperation
    })
  )

  return result
 }

-async function resolveRefToSha(
-  ctx: TagOperationContext,
-  ref: string
-): Promise<string> {
+/**
+ * Execute a planned tag operation.
+ *
+ * @param operation - The planned tag operation to execute
+ * @param octokit - GitHub API client
+ */
+export async function executeTagOperation(
+  operation: TagOperation,
+  octokit: ReturnType<typeof github.getOctokit>
+): Promise<void> {
+  const ctx: Context = {
+    owner: operation.owner,
+    repo: operation.repo,
+    octokit
+  }
+
+  if (operation.operation === 'skip') {
+    if (operation.reason === 'when_exists_skip') {
+      core.info(`Tag '${operation.name}' exists, skipping.`)
+    } else {
+      core.info(
+        `Tag '${operation.name}' already exists with desired commit SHA ${operation.sha}` +
+          (operation.existingIsAnnotated ? ' (annotated).' : '.')
+      )
+    }
+    return
+  }
+
+  if (operation.operation === 'create') {
+    await createTag(ctx, operation)
+    return
+  }
+
+  if (operation.operation === 'update') {
+    await updateExistingTag(ctx, operation)
+    return
+  }
+
+  throw new Error(
+    `Unknown operation type: ${(operation as TagOperation).operation}`
+  )
+}
+
+/**
+ * Fetch information about an existing tag, dereferencing if annotated.
+ *
+ * @param ctx - Operation context
+ * @param tagName - The name of the tag to fetch
+ * @returns Information about the existing tag
+ */
+async function fetchTagInfo(
+  ctx: Context,
+  tagName: string
+): Promise<ExistingTagInfo> {
+  const ref = await ctx.octokit.rest.git.getRef({
+    owner: ctx.owner,
+    repo: ctx.repo,
+    ref: `tags/${tagName}`
+  })
+  const object = ref.data.object
+  const isAnnotated = object.type === 'tag'
+
+  if (!isAnnotated) {
+    return {
+      commitSHA: object.sha,
+      isAnnotated: false
+    }
+  }
+
+  // Dereference annotated tag to get underlying commit
+  const tagRef = await ctx.octokit.rest.git.getTag({
+    owner: ctx.owner,
+    repo: ctx.repo,
+    tag_sha: object.sha
+  })
+
+  return {
+    commitSHA: tagRef.data.object.sha,
+    isAnnotated: true,
+    annotation: tagRef.data.message
+  }
+}
+
+/**
+ * Resolve a ref to a SHA.
+ *
+ * @param ctx - Operation context
+ * @param ref - The ref to resolve
+ * @returns The SHA
+ */
+async function resolveRefToSha(ctx: Context, ref: string): Promise<string> {
  try {
    const {
      data: { sha }
@@ -207,131 +298,94 @@ async function resolveRefToSha(
  }
 }

-/**
- * Process a single desired tag: create or update it based on configuration.
- *
- * @param tag - The desired tag to process (with existing info if applicable)
- * @param octokit - GitHub API client
- * @returns The result of the tag operation
- */
-export async function processTag(
-  tag: DesiredTag,
-  octokit: ReturnType<typeof github.getOctokit>
-): Promise<TagResult> {
-  const ctx: TagOperationContext = { owner: tag.owner, repo: tag.repo, octokit }
-
-  // Tag doesn't exist, create it
-  if (!tag.existing) {
-    return await createTag(ctx, tag)
-  }
-
-  // Tag exists - handle based on when_exists strategy
-  if (tag.whenExists === 'skip') {
-    core.info(`Tag '${tag.name}' exists, skipping.`)
-    return 'skipped'
-  }
-
-  if (tag.whenExists === 'fail') {
-    // This should not happen as we fail early in resolveDesiredTags
-    core.setFailed(`Tag '${tag.name}' already exists.`)
-    return 'failed'
-  }
-
-  // whenExists === 'update' - check if update is needed
-  if (tagMatchesTarget(tag)) {
-    core.info(
-      `Tag '${tag.name}' already exists with desired commit SHA ${tag.sha}` +
-        (tag.existing.isAnnotated ? ' (annotated).' : '.')
-    )
-    return 'skipped'
-  }
-
-  return await updateExistingTag(ctx, tag)
-}
-
 /**
 * Update an existing tag to point to a new commit and/or annotation.
 */
 async function updateExistingTag(
-  ctx: TagOperationContext,
-  tag: DesiredTag
-): Promise<TagResult> {
-  if (!tag.existing) {
-    throw new Error(`Cannot update non-existent tag '${tag.name}'`)
-  }
-
-  const reasons = getUpdateReasons(tag)
-  const commitMatches = tag.existing.commitSHA === tag.sha
+  ctx: Context,
+  operation: UpdateOperation
+): Promise<void> {
+  const commitMatches = operation.existingSHA === operation.sha

  if (commitMatches) {
    core.info(
-      `Tag '${tag.name}' exists with same commit but ${reasons.join(', ')}.`
+      `Tag '${operation.name}' exists with same commit but ${operation.reasons.join(', ')}.`
    )
  } else {
    core.info(
-      `Tag '${tag.name}' exists` +
-        `${tag.existing.isAnnotated ? ' (annotated)' : ''}` +
-        `, updating to ${reasons.join(', ')}.`
+      `Tag '${operation.name}' exists` +
+        `${operation.existingIsAnnotated ? ' (annotated)' : ''}` +
+        `, updating to ${operation.reasons.join(', ')}.`
    )
  }

-  const targetSha = await resolveTargetSHA(ctx, tag)
+  const targetSha = await resolveTargetSHA(
+    ctx,
+    operation.name,
+    operation.sha,
+    operation.annotation
+  )

  await ctx.octokit.rest.git.updateRef({
    owner: ctx.owner,
    repo: ctx.repo,
-    ref: `tags/${tag.name}`,
+    ref: `tags/${operation.name}`,
    sha: targetSha,
    force: true
  })
-
-  return 'updated'
 }

 /**
 * Create a tag (doesn't exist yet).
 */
 async function createTag(
-  ctx: TagOperationContext,
-  tag: DesiredTag
-): Promise<TagResult> {
+  ctx: Context,
+  operation: CreateOperation
+): Promise<void> {
  core.info(
-    `Tag '${tag.name}' does not exist, creating with commit SHA ${tag.sha}.`
+    `Tag '${operation.name}' does not exist, creating with commit SHA ${operation.sha}.`
  )

-  const targetSha = await resolveTargetSHA(ctx, tag)
+  const targetSha = await resolveTargetSHA(
+    ctx,
+    operation.name,
+    operation.sha,
+    operation.annotation
+  )

  await ctx.octokit.rest.git.createRef({
    owner: ctx.owner,
    repo: ctx.repo,
-    ref: `refs/tags/${tag.name}`,
+    ref: `refs/tags/${operation.name}`,
    sha: targetSha
  })
-
-  return 'created'
 }

 /**
 * Resolve the target SHA for a tag (creates annotated tag object if needed).
 *
 * @param ctx - Operation context
- * @param tag - The tag to create
+ * @param tagName - The tag name
+ * @param commitSha - The commit SHA
+ * @param annotation - The annotation message (if any)
 * @returns The SHA to use (tag object SHA if annotated, commit SHA otherwise)
 */
 async function resolveTargetSHA(
-  ctx: TagOperationContext,
-  tag: DesiredTag
+  ctx: Context,
+  tagName: string,
+  commitSha: string,
+  annotation: string
 ): Promise<string> {
-  if (!tag.annotation) {
-    return tag.sha
+  if (!annotation) {
+    return commitSha
  }

  const tagObject = await ctx.octokit.rest.git.createTag({
    owner: ctx.owner,
    repo: ctx.repo,
-    tag: tag.name,
-    message: tag.annotation,
-    object: tag.sha,
+    tag: tagName,
+    message: annotation,
+    object: commitSha,
    type: 'commit'
  })

@@ -341,63 +395,64 @@ async function resolveTargetSHA(
 /**
 * Compare existing tag state with desired target state.
 *
- * @param tag - The desired tag with existing info
+ * @param sha - The desired commit SHA
+ * @param annotation - The desired annotation
+ * @param existing - Information about the existing tag
 * @returns Object indicating whether commit and annotation match
 */
-function compareTagState(tag: DesiredTag): {
+function compareTagState(
+  sha: string,
+  annotation: string,
+  existing: ExistingTagInfo
+): {
  commitMatches: boolean
  annotationMatches: boolean
 } {
-  if (!tag.existing) {
-    return { commitMatches: false, annotationMatches: false }
-  }
+  const isAnnotated = existing.isAnnotated === true

-  const commitMatches = tag.existing.commitSHA === tag.sha
+  const commitMatches = existing.commitSHA === sha
  const annotationMatches =
-    tag.existing.isAnnotated && tag.annotation
-      ? tag.existing.annotation === tag.annotation
-      : !tag.existing.isAnnotated && !tag.annotation
+    (isAnnotated && !!annotation && existing.annotation === annotation) ||
+    (!isAnnotated && !annotation) ||
+    false

  return { commitMatches, annotationMatches }
 }

-/**
- * Check if a tag needs to be updated based on commit and annotation.
- *
- * @param tag - The desired tag with existing info
- * @returns True if the tag matches the target state
- */
-function tagMatchesTarget(tag: DesiredTag): boolean {
-  const { commitMatches, annotationMatches } = compareTagState(tag)
-  return commitMatches && annotationMatches
-}
-
 /**
 * Get update reason messages based on what changed.
 *
- * @param tag - The desired tag with existing info
+ * @param sha - The desired commit SHA
+ * @param annotation - The desired annotation
+ * @param existing - Information about the existing tag
 * @returns Array of reason strings
 */
-function getUpdateReasons(tag: DesiredTag): string[] {
-  if (!tag.existing) return []
-
-  const { commitMatches, annotationMatches } = compareTagState(tag)
+function getUpdateReasons(
+  sha: string,
+  annotation: string,
+  existing: ExistingTagInfo
+): string[] {
+  const { commitMatches, annotationMatches } = compareTagState(
+    sha,
+    annotation,
+    existing
+  )
  const reasons: string[] = []

  if (!commitMatches) {
-    reasons.push(`commit SHA ${tag.sha} (was ${tag.existing.commitSHA})`)
+    reasons.push(`commit SHA ${sha} (was ${existing.commitSHA})`)
  }

-  if (!annotationMatches && tag.annotation) {
-    if (tag.existing.isAnnotated) {
+  if (!annotationMatches && annotation) {
+    if (existing.isAnnotated === true) {
      reasons.push('annotation message changed')
    } else {
      reasons.push('adding annotation')
    }
  } else if (
    !annotationMatches &&
-    !tag.annotation &&
-    tag.existing.isAnnotated
+    !annotation &&
+    existing.isAnnotated === true
  ) {
    reasons.push('removing annotation')
  }
--- a/tests/fixtures/core.ts
+++ b/tests/fixtures/core.ts
--- a/tests/fixtures/csv-parse.ts
+++ b/tests/fixtures/csv-parse.ts
--- a/tests/fixtures/github.ts
+++ b/tests/fixtures/github.ts
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
@@ -2,9 +2,9 @@
 * Unit tests for the action's main functionality, src/main.ts
 */
 import { jest } from '@jest/globals'
-import * as core from '../__fixtures__/core.js'
-import * as github from '../__fixtures__/github.js'
-import * as csvParse from '../__fixtures__/csv-parse.js'
+import * as core from './fixtures/core.js'
+import * as github from './fixtures/github.js'
+import * as csvParse from './fixtures/csv-parse.js'

 // Mocks should be declared before the module being tested is imported.
 jest.unstable_mockModule('@actions/core', () => core)
@@ -22,6 +22,19 @@ const setupInputs = (inputs: Record<string, string>): void => {
  })
 }

+let outputs: Record<string, unknown> = {}
+
+const setupOutputCapture = (): void => {
+  outputs = {}
+  core.setOutput.mockImplementation((name: string, value: unknown) => {
+    outputs[name] = value
+  })
+}
+
+const getOutputs = (): Record<string, unknown> => {
+  return { ...outputs }
+}
+
 const setupCommitResolver = (
  refToSha: Record<string, string> | string
 ): void => {
@@ -80,6 +93,7 @@ describe('run', () => {
    // Re-setup mocks after reset
    github.getOctokit.mockReturnValue(github.mockOctokit)
    csvParse.resetToRealImplementation()
+    setupOutputCapture()
  })

  it('creates new tags when they do not exist', async () => {
@@ -111,9 +125,12 @@ describe('run', () => {
    expect(core.info).toHaveBeenCalledWith(
      "Tag 'v1' does not exist, creating with commit SHA sha-abc123."
    )
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v1.0'])
-    expect(core.setOutput).toHaveBeenCalledWith('updated', [])
-    expect(core.setOutput).toHaveBeenCalledWith('tags', ['v1', 'v1.0'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v1.0'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v1.0']
+    })
  })

  it('updates existing tags when commit SHA differs', async () => {
@@ -140,9 +157,12 @@ describe('run', () => {
    expect(core.info).toHaveBeenCalledWith(
      "Tag 'v1' exists, updating to commit SHA sha-def456 (was sha-old123)."
    )
-    expect(core.setOutput).toHaveBeenCalledWith('created', [])
-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
-    expect(core.setOutput).toHaveBeenCalledWith('tags', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('skips updating when tag exists with same commit SHA', async () => {
@@ -162,9 +182,12 @@ describe('run', () => {
    expect(core.info).toHaveBeenCalledWith(
      "Tag 'v1' already exists with desired commit SHA sha-abc123."
    )
-    expect(core.setOutput).toHaveBeenCalledWith('created', [])
-    expect(core.setOutput).toHaveBeenCalledWith('updated', [])
-    expect(core.setOutput).toHaveBeenCalledWith('tags', [])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: [],
+      skipped: ['v1'],
+      tags: []
+    })
  })

  it('skips tags when when_exists is skip', async () => {
@@ -182,9 +205,12 @@ describe('run', () => {
    expect(github.mockOctokit.rest.git.updateRef).not.toHaveBeenCalled()
    expect(github.mockOctokit.rest.git.createRef).not.toHaveBeenCalled()
    expect(core.info).toHaveBeenCalledWith("Tag 'v1' exists, skipping.")
-    expect(core.setOutput).toHaveBeenCalledWith('created', [])
-    expect(core.setOutput).toHaveBeenCalledWith('updated', [])
-    expect(core.setOutput).toHaveBeenCalledWith('tags', [])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: [],
+      skipped: ['v1'],
+      tags: []
+    })
  })

  it('handles per-tag ref overrides', async () => {
@@ -226,7 +252,12 @@ describe('run', () => {
      sha: 'sha-develop'
    })

-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v2'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2']
+    })
  })

  it('handles various input formats (newlines and whitespace)', async () => {
@@ -242,11 +273,12 @@ describe('run', () => {
    await run()

    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(3)
-    expect(core.setOutput).toHaveBeenCalledWith('created', [
-      'v1',
-      'v1.0',
-      'v1.0.1'
-    ])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v1.0', 'v1.0.1'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v1.0', 'v1.0.1']
+    })
  })

  it('creates and updates tags in single run', async () => {
@@ -263,9 +295,12 @@ describe('run', () => {

    expect(github.mockOctokit.rest.git.updateRef).toHaveBeenCalledTimes(1)
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(1)
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v2'])
-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
-    expect(core.setOutput).toHaveBeenCalledWith('tags', ['v2', 'v1'])
+    expect(getOutputs()).toEqual({
+      created: ['v2'],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v2', 'v1']
+    })
  })

  it('fails when ref is missing', async () => {
@@ -420,7 +455,12 @@ describe('run', () => {
    await run()

    expect(github.mockOctokit.rest.git.updateRef).toHaveBeenCalledTimes(1)
-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('handles duplicate tags by using last occurrence', async () => {
@@ -437,7 +477,12 @@ describe('run', () => {

    // Should only create 2 tags (v1 and v2), not 3
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(2)
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v2'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2']
+    })
  })

  it('optimizes by resolving unique refs only once', async () => {
@@ -458,6 +503,12 @@ describe('run', () => {
    // Should only call getCommit 2 times (main and develop), not 3
    expect(github.mockOctokit.rest.repos.getCommit).toHaveBeenCalledTimes(2)
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(3)
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2', 'v3'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2', 'v3']
+    })
  })

  it('handles tag with colon but empty ref part', async () => {
@@ -474,7 +525,12 @@ describe('run', () => {

    // Both should use default ref
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(2)
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v2'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2']
+    })
  })

  it('fails when tag specification has multiple colons', async () => {
@@ -522,8 +578,12 @@ describe('run', () => {
    // Should skip v1, create v2 and v3
    expect(core.info).toHaveBeenCalledWith("Tag 'v1' exists, skipping.")
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(2)
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v2', 'v3'])
-    expect(core.setOutput).toHaveBeenCalledWith('updated', [])
+    expect(getOutputs()).toEqual({
+      created: ['v2', 'v3'],
+      updated: [],
+      skipped: ['v1'],
+      tags: ['v2', 'v3']
+    })
  })

  it('fails when tag name is empty (e.g., ":main")', async () => {
@@ -618,7 +678,12 @@ describe('run', () => {
      sha: 'sha-abc123'
    })
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(2)
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v2'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2']
+    })
  })

  it('skips empty lines in multi-line input (e.g., "v1\\n\\nv2")', async () => {
@@ -647,7 +712,12 @@ describe('run', () => {
      sha: 'sha-abc123'
    })
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(2)
-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v2'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2']
+    })
  })

  it('skips empty tags from mix of empty CSV fields and empty lines', async () => {
@@ -688,12 +758,12 @@ describe('run', () => {
      sha: 'sha-abc123'
    })
    expect(github.mockOctokit.rest.git.createRef).toHaveBeenCalledTimes(4)
-    expect(core.setOutput).toHaveBeenCalledWith('created', [
-      'v1',
-      'v2',
-      'v3',
-      'v4'
-    ])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v2', 'v3', 'v4'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v2', 'v3', 'v4']
+    })
  })

  it('creates annotated tags when annotation is provided', async () => {
@@ -748,7 +818,12 @@ describe('run', () => {
      sha: 'sha-tag-object-v1.0'
    })

-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1', 'v1.0'])
+    expect(getOutputs()).toEqual({
+      created: ['v1', 'v1.0'],
+      updated: [],
+      skipped: [],
+      tags: ['v1', 'v1.0']
+    })
  })

  it('updates existing tags with annotation', async () => {
@@ -787,7 +862,12 @@ describe('run', () => {
      force: true
    })

-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('creates lightweight tags when annotation is empty', async () => {
@@ -812,7 +892,12 @@ describe('run', () => {
      sha: 'sha-abc123'
    })

-    expect(core.setOutput).toHaveBeenCalledWith('created', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: ['v1'],
+      updated: [],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('updates lightweight tags when annotation is empty', async () => {
@@ -838,7 +923,12 @@ describe('run', () => {
      force: true
    })

-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('detects and dereferences existing annotated tags', async () => {
@@ -872,7 +962,12 @@ describe('run', () => {

    // Should update because commit SHAs differ
    expect(github.mockOctokit.rest.git.updateRef).toHaveBeenCalledTimes(1)
-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('updates existing annotated tags with new annotated tags', async () => {
@@ -931,7 +1026,12 @@ describe('run', () => {
      force: true
    })

-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('updates annotated tag to lightweight when annotation removed', async () => {
@@ -970,7 +1070,12 @@ describe('run', () => {
      sha: 'sha-abc123',
      force: true
    })
-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('skips when annotated tag has same commit and same annotation', async () => {
@@ -1000,7 +1105,12 @@ describe('run', () => {
    // Should NOT update because both commit and annotation match
    expect(github.mockOctokit.rest.git.updateRef).not.toHaveBeenCalled()
    expect(github.mockOctokit.rest.git.createRef).not.toHaveBeenCalled()
-    expect(core.setOutput).toHaveBeenCalledWith('tags', [])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: [],
+      skipped: ['v1'],
+      tags: []
+    })
  })

  it('updates when annotated tag has same commit but different annotation', async () => {
@@ -1052,7 +1162,12 @@ describe('run', () => {
      force: true
    })

-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })

  it('updates lightweight tag to annotated when annotation added', async () => {
@@ -1097,6 +1212,11 @@ describe('run', () => {
      force: true
    })

-    expect(core.setOutput).toHaveBeenCalledWith('updated', ['v1'])
+    expect(getOutputs()).toEqual({
+      created: [],
+      updated: ['v1'],
+      skipped: [],
+      tags: ['v1']
+    })
  })
 })
--- a/tests/tags.test.ts
+++ b/tests/tags.test.ts
@@ -0,0 +1,37 @@
+/**
+ * Unit tests for tag operation execution, src/tags.ts
+ */
+import { jest } from '@jest/globals'
+import * as core from './fixtures/core.js'
+import * as github from './fixtures/github.js'
+
+// Mocks should be declared before the module being tested is imported.
+jest.unstable_mockModule('@actions/core', () => core)
+jest.unstable_mockModule('@actions/github', () => github)
+
+// The module being tested should be imported dynamically.
+const { executeTagOperation } = await import('../src/tags.js')
+import type { TagOperation } from '../src/tags.js'
+
+describe('executeTagOperation', () => {
+  beforeEach(() => {
+    jest.resetAllMocks()
+    github.getOctokit.mockReturnValue(github.mockOctokit)
+  })
+
+  it('throws error for unknown operation type', async () => {
+    const invalidOperation = {
+      operation: 'invalid',
+      name: 'v1',
+      ref: 'main',
+      sha: 'abc123',
+      owner: 'test-owner',
+      repo: 'test-repo'
+    } as unknown as TagOperation
+
+    await expect(
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      executeTagOperation(invalidOperation, github.mockOctokit as any)
+    ).rejects.toThrow('Unknown operation type: invalid')
+  })
+})
--- a/tsconfig.eslint.json
+++ b/tsconfig.eslint.json
@@ -7,8 +7,7 @@
  },
  "exclude": ["dist", "node_modules"],
  "include": [
-    "__fixtures__",
-    "__tests__",
+    "tests",
    "src",
    "eslint.config.mjs",
    "jest.config.js",
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,6 +6,6 @@
    "moduleResolution": "NodeNext",
    "outDir": "./dist"
  },
-  "exclude": ["__fixtures__", "__tests__", "coverage", "dist", "node_modules"],
+  "exclude": ["tests", "coverage", "dist", "node_modules"],
  "include": ["src"]
 }
Author	SHA1	Message	Date
Jim Myhrberg	38ccbb6879	ci(github/workflows): update bot secret names in dependabot rebuild workflow (#40 )	2025-11-11 11:22:04 +00:00
Jim Myhrberg	9016fb217e	ci(github/workflows): add dependabot rebuild workflow (#39 )	2025-11-11 11:15:08 +00:00
dependabot[bot]	ca138ceed8	chore(deps-dev): bump the npm-development group with 3 updates (#35 )	2025-11-04 09:04:09 +00:00
jimehbot[bot]	eecd8caae9	chore(main): release 2.2.0 (#34 ) Co-authored-by: jimehbot[bot] <132453784+jimehbot[bot]@users.noreply.github.com>	2025-10-29 13:08:22 +00:00
Jim Myhrberg	6723e4d4ac	feat(action): add skipped tags output and tracking (#33 )	2025-10-29 13:06:38 +00:00
Jim Myhrberg	92bdad7a4a	refactor(tags): improve tag operation planning and execution (#32 )	2025-10-29 12:51:33 +00:00
Jim Myhrberg	1576a544fe	refactor(tags): simplify tag resolution and processing logic (#30 )	2025-10-29 12:09:21 +00:00
Jim Myhrberg	2b1c01b3ed	test: move tests and fixtures to top-level "tests" directory (#29 )	2025-10-29 11:09:22 +00:00
Jim Myhrberg	73e6309596	chore(vscode): configure prettier as default formatter for multiple file types (#28 )	2025-10-29 10:26:12 +00:00