diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 94599fc..0008655 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,15 +4,34 @@ on:
   push:
     branches:
       - master
-      - "releases/*"
+      - "feature/*"
 
 jobs:
-  test:
-    name: "Test and Run"
+  test-linux:
+    name: "Test and Run, Linux"
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: NPM Install
+        run: npm ci
+      - name: Test
+        run: npm test
+      - name: Package
+        run: npm run package
+      - name: Run Action
+        uses: ./
+        id: run
+  test-windows:
+    name: "Test and Run, Windows"
+    runs-on: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: NPM Install
         run: npm ci
       - name: Test
diff --git a/dist/index.js b/dist/index.js
index 4b71d02..6be6eeb 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1021,9 +1021,10 @@ exports.issueCommand = issueCommand;
 
 const core = __webpack_require__(470);
 const exec = __webpack_require__(986);
-const eol = __webpack_require__(87).EOL;
+const eol = '\n';
 
 const tagPrefix = core.getInput('tag_prefix') || '';
+const namespace = core.getInput('namespace') || '';
 
 const cmd = async (command, ...args) => {
   let output = '', errors = '';
@@ -1032,7 +1033,9 @@ const cmd = async (command, ...args) => {
   };
   options.listeners = {
     stdout: (data) => { output += data.toString(); },
-    stderr: (data) => { errors += data.toString(); }
+    stderr: (data) => { errors += data.toString(); },
+    ignoreReturnCode: true,
+    silent: true
   };
 
   await exec.exec(command, args, options)
@@ -1088,6 +1091,26 @@ const setOutput = (major, minor, patch, increment, changed, branch, namespace) =
 
 };
 
+const parseVersion = (tag) => {
+
+  console.log(tag);
+  let tagParts = tag.split('/');
+  let versionValues = tagParts[tagParts.length - 1]
+    .substr(tagPrefix.length)
+    .slice(0, namespace === '' ? 999 : -(namespace.length + 1))
+    .split('.');
+
+  let major = parseInt(versionValues[0]);
+  let minor = versionValues.length > 1 ? parseInt(versionValues[1]) : 0;
+  let patch = versionValues.length > 2 ? parseInt(versionValues[2]) : 0;
+
+  if (isNaN(major) || isNaN(minor) || isNaN(patch)) {
+    throw `Invalid tag ${tag} (${versionValues})`;
+  }
+
+  return [major, minor, patch];
+};
+
 async function run() {
   try {
     const remote = await cmd('git', 'remote');
@@ -1098,7 +1121,6 @@ async function run() {
     const majorPattern = core.getInput('major_pattern', { required: true });
     const minorPattern = core.getInput('minor_pattern', { required: true });
     const changePath = core.getInput('change_path') || '';
-    const namespace = core.getInput('namespace') || '';
 
     const releasePattern = namespace === '' ? `${tagPrefix}*[0-9.]` : `${tagPrefix}*[0-9.]-${namespace}`;
     let major = 0, minor = 0, patch = 0, increment = 0;
@@ -1112,7 +1134,15 @@ async function run() {
       return;
     }
 
-    //let commit = (await cmd('git', 'rev-parse', 'HEAD')).trim();
+    let currentTag = (await cmd(
+      `git tag --points-at ${branch} ${releasePattern}`
+    )).trim();
+
+    if (currentTag) {
+      [major, minor, patch] = parseVersion(currentTag);
+      setOutput(major, minor, patch, 0, false, branch, namespace);
+      return;
+    }
 
     let tag = '';
     try {
@@ -1138,20 +1168,7 @@ async function run() {
       root = '';
     } else {
       // parse the version tag
-      let tagParts = tag.split('/');
-      let versionValues = tagParts[tagParts.length - 1]
-        .substr(tagPrefix.length)
-        .slice(0, namespace === '' ? 999 : -(namespace.length + 1))
-        .split('.');
-
-      major = parseInt(versionValues[0]);
-      minor = versionValues.length > 1 ? parseInt(versionValues[1]) : 0;
-      patch = versionValues.length > 2 ? parseInt(versionValues[2]) : 0;
-
-      if (isNaN(major) || isNaN(minor) || isNaN(patch)) {
-        core.setFailed(`Invalid tag ${tag} (${versionValues})`);
-        return;
-      }
+      [major, minor, patch] = parseVersion(tag);
 
       root = await cmd('git', `merge-base`, tag, branch);
     }
@@ -1211,6 +1228,7 @@ async function run() {
 run();
 
 
+
 /***/ }),
 
 /***/ 129:
diff --git a/index.js b/index.js
index 29a6684..835632a 100644
--- a/index.js
+++ b/index.js
@@ -1,8 +1,9 @@
 const core = require('@actions/core');
 const exec = require("@actions/exec");
-const eol = require('os').EOL;
+const eol = '\n';
 
 const tagPrefix = core.getInput('tag_prefix') || '';
+const namespace = core.getInput('namespace') || '';
 
 const cmd = async (command, ...args) => {
   let output = '', errors = '';
@@ -11,7 +12,9 @@ const cmd = async (command, ...args) => {
   };
   options.listeners = {
     stdout: (data) => { output += data.toString(); },
-    stderr: (data) => { errors += data.toString(); }
+    stderr: (data) => { errors += data.toString(); },
+    ignoreReturnCode: true,
+    silent: true
   };
 
   await exec.exec(command, args, options)
@@ -67,6 +70,26 @@ const setOutput = (major, minor, patch, increment, changed, branch, namespace) =
 
 };
 
+const parseVersion = (tag) => {
+
+  console.log(tag);
+  let tagParts = tag.split('/');
+  let versionValues = tagParts[tagParts.length - 1]
+    .substr(tagPrefix.length)
+    .slice(0, namespace === '' ? 999 : -(namespace.length + 1))
+    .split('.');
+
+  let major = parseInt(versionValues[0]);
+  let minor = versionValues.length > 1 ? parseInt(versionValues[1]) : 0;
+  let patch = versionValues.length > 2 ? parseInt(versionValues[2]) : 0;
+
+  if (isNaN(major) || isNaN(minor) || isNaN(patch)) {
+    throw `Invalid tag ${tag} (${versionValues})`;
+  }
+
+  return [major, minor, patch];
+};
+
 async function run() {
   try {
     const remote = await cmd('git', 'remote');
@@ -77,7 +100,6 @@ async function run() {
     const majorPattern = core.getInput('major_pattern', { required: true });
     const minorPattern = core.getInput('minor_pattern', { required: true });
     const changePath = core.getInput('change_path') || '';
-    const namespace = core.getInput('namespace') || '';
 
     const releasePattern = namespace === '' ? `${tagPrefix}*[0-9.]` : `${tagPrefix}*[0-9.]-${namespace}`;
     let major = 0, minor = 0, patch = 0, increment = 0;
@@ -91,7 +113,15 @@ async function run() {
       return;
     }
 
-    //let commit = (await cmd('git', 'rev-parse', 'HEAD')).trim();
+    let currentTag = (await cmd(
+      `git tag --points-at ${branch} ${releasePattern}`
+    )).trim();
+
+    if (currentTag) {
+      [major, minor, patch] = parseVersion(currentTag);
+      setOutput(major, minor, patch, 0, false, branch, namespace);
+      return;
+    }
 
     let tag = '';
     try {
@@ -117,20 +147,7 @@ async function run() {
       root = '';
     } else {
       // parse the version tag
-      let tagParts = tag.split('/');
-      let versionValues = tagParts[tagParts.length - 1]
-        .substr(tagPrefix.length)
-        .slice(0, namespace === '' ? 999 : -(namespace.length + 1))
-        .split('.');
-
-      major = parseInt(versionValues[0]);
-      minor = versionValues.length > 1 ? parseInt(versionValues[1]) : 0;
-      patch = versionValues.length > 2 ? parseInt(versionValues[2]) : 0;
-
-      if (isNaN(major) || isNaN(minor) || isNaN(patch)) {
-        core.setFailed(`Invalid tag ${tag} (${versionValues})`);
-        return;
-      }
+      [major, minor, patch] = parseVersion(tag);
 
       root = await cmd('git', `merge-base`, tag, branch);
     }
@@ -188,3 +205,4 @@ async function run() {
 }
 
 run();
+
diff --git a/index.test.js b/index.test.js
index c596113..027a189 100644
--- a/index.test.js
+++ b/index.test.js
@@ -1,6 +1,8 @@
 const cp = require('child_process');
 const path = require('path');
 const process = require('process');
+const os = require('os');
+const windows = process.platform === "win32";
 
 // Action input variables
 const defaultInputs = {
@@ -13,8 +15,9 @@ const defaultInputs = {
 
 // Creates a randomly named git repository and returns a function to execute commands in it
 const createTestRepo = (inputs) => {
-    const repoDirectory = `/tmp/test${Math.random().toString(36).substring(2, 15)}`;
-    cp.execSync(`mkdir ${repoDirectory} && git init ${repoDirectory}`);
+    const repoDirectory = path.join(os.tmpdir(), `test${Math.random().toString(36).substring(2, 15)}`);
+    cp.execSync(`mkdir ${repoDirectory}`);
+    cp.execSync(`git init ${repoDirectory}`);
 
     const run = (command, extraInputs) => {
         const allInputs = Object.assign({ ...defaultInputs }, inputs, extraInputs);
@@ -32,11 +35,15 @@ const createTestRepo = (inputs) => {
     let i = 1;
 
     return {
-        clean: () => execute('/tmp', `rm -rf ${repoDirectory}`),
+        clean: () => execute(os.tmpdir(), windows ? `rmdir /s /q ${repoDirectory}` : `rm -rf ${repoDirectory}`),
         makeCommit: (msg, path) => {
-            run(`touch ${path !== undefined ? path.trim('/') + '/' : ''}test${i++}`);
+            if (windows) {
+                run(`fsutil file createnew ${path !== undefined ? path.trim('/') + '/' : ''}test${i++} 0`);
+            } else {
+                run(`touch ${path !== undefined ? path.trim('/') + '/' : ''}test${i++}`);
+            }
             run(`git add --all`);
-            run(`git commit -m '${msg}'`);
+            run(`git commit -m "${msg}"`);
         },
         runAction: (inputs) => run(`node ${path.join(__dirname, 'index.js')}`, inputs),
         exec: run
@@ -84,7 +91,7 @@ test('Tagging does not break version', () => {
     repo.exec('git tag v0.0.1')
     const result = repo.runAction();
 
-    expect(result).toMatch('Version is 0.0.1+1');
+    expect(result).toMatch('Version is 0.0.1+0');
 
     repo.clean();
 });
@@ -276,7 +283,8 @@ test('Tag order comes from commit order, not tag create order', () => {
     repo.makeCommit('Second Commit'); // 0.0.1+1
     repo.makeCommit('Third Commit'); // 0.0.1+2
     repo.exec('git tag v2.0.0');
-    repo.exec('sleep 2');
+    // Can't timeout in this context on Windows, ping localhost to delay
+    repo.exec(windows ? 'ping 127.0.0.1 -n 2' : 'sleep 2');
     repo.exec('git tag v1.0.0 HEAD~1');
     repo.makeCommit('Fourth Commit'); // 0.0.1+2
 
@@ -422,5 +430,20 @@ test('Commits inside path are counted', () => {
 
     expect(result).toMatch('Version is 0.0.1+2');
 
+    repo.clean();
+});
+
+test('Current tag is used', () => {
+    const repo = createTestRepo({ tag_prefix: '' }); // 0.0.0
+
+    repo.makeCommit('Initial Commit');
+    repo.makeCommit('Second Commit');
+    repo.makeCommit('Third Commit');
+    repo.exec('git tag 7.6.5');
+
+    const result = repo.runAction();
+
+    expect(result).toMatch('Version is 7.6.5+0');
+
     repo.clean();
 });
\ No newline at end of file