diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fb6cf26..e110237 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,8 +36,4 @@ jobs:
         shell: bash
         run: |
           yarn build
-          if [ "$(git status --porcelain | wc -l)" -gt "0" ]; then
-            echo "Detected uncommitted changes after build. See status below:"
-            git diff
-            exit 1
-          fi
+          yarn build:check_uncommitted_changes
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d3841c1..8fa9ea8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,6 +24,36 @@ jobs:
           echo PATH="${PATH}"
           asdf --version
 
+  asdf_updates_clone_if_installed:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["macos-latest", "ubuntu-latest"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: "Setup: should clone repo"
+        uses: ./setup
+      - run: asdf version
+      - name:
+          "Simulate self-hosted runner and remove /home/runner/.asdf/bin/asdf
+          after setup (:shrug:)"
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: |
+          rm -rf /home/runner/.asdf/bin/asdf
+      - name:
+          "Simulate self-hosted runner and remove /Users/runner/.asdf/bin/asdf
+          after setup (:shrug:)"
+        if: ${{ matrix.os == 'macos-latest' }}
+        run: |
+          rm -rf /Users/runner/.asdf/bin/asdf
+      - name: "Setup: should update repo"
+        uses: ./setup
+      # NB: how is it that the hosted runners get to this point in the code without ~/.asdf/bin/asdf
+      #     the below execution fails because the checkout doesn't seem to fix the rm -rf.
+      #     Comment out for now & trust in the OP of #394
+      # - run: asdf version
+
   plugin_is_tested:
     strategy:
       fail-fast: false
diff --git a/install/main.js b/install/main.js
index 4afc292..ae402a0 100644
--- a/install/main.js
+++ b/install/main.js
@@ -519,7 +519,7 @@ var require_file_command = __commonJS({
     };
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.prepareKeyValueMessage = exports.issueFileCommand = void 0;
-    var fs2 = __importStar(require("fs"));
+    var fs3 = __importStar(require("fs"));
     var os2 = __importStar(require("os"));
     var uuid_1 = (init_esm_node(), __toCommonJS(esm_node_exports));
     var utils_1 = require_utils();
@@ -528,10 +528,10 @@ var require_file_command = __commonJS({
       if (!filePath) {
         throw new Error(`Unable to find environment variable for file command ${command}`);
       }
-      if (!fs2.existsSync(filePath)) {
+      if (!fs3.existsSync(filePath)) {
         throw new Error(`Missing file at path: ${filePath}`);
       }
-      fs2.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
+      fs3.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
         encoding: "utf8"
       });
     }
@@ -2269,9 +2269,9 @@ var require_io_util = __commonJS({
     var _a;
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.getCmdPath = exports.tryGetExecutablePath = exports.isRooted = exports.isDirectory = exports.exists = exports.IS_WINDOWS = exports.unlink = exports.symlink = exports.stat = exports.rmdir = exports.rename = exports.readlink = exports.readdir = exports.mkdir = exports.lstat = exports.copyFile = exports.chmod = void 0;
-    var fs2 = __importStar(require("fs"));
+    var fs3 = __importStar(require("fs"));
     var path2 = __importStar(require("path"));
-    _a = fs2.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
+    _a = fs3.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
     exports.IS_WINDOWS = process.platform === "win32";
     function exists(fsPath) {
       return __awaiter(this, void 0, void 0, function* () {
@@ -3276,12 +3276,13 @@ var exec5 = __toESM(require_exec());
 // src/plugins-add/index.ts
 var core2 = __toESM(require_core());
 var exec3 = __toESM(require_exec());
-var fs = __toESM(require("fs"));
+var fs2 = __toESM(require("fs"));
 
 // src/setup/index.ts
 var core = __toESM(require_core());
 var exec = __toESM(require_exec());
 var io = __toESM(require_io());
+var fs = __toESM(require("fs"));
 var os = __toESM(require("os"));
 var path = __toESM(require("path"));
 async function setupAsdf() {
@@ -3298,17 +3299,26 @@ async function setupAsdf() {
   if (skip) {
     return;
   }
-  core.info(`Cloning asdf into ASDF_DIR: ${asdfDir}`);
   const branch = core.getInput("asdf_branch", { required: true });
-  await exec.exec("git", [
-    "clone",
-    "--depth",
-    "1",
-    "--branch",
-    branch,
-    "https://github.com/asdf-vm/asdf.git",
-    asdfDir
-  ]);
+  if (fs.existsSync(asdfDir)) {
+    core.info(`Updating asdf in ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    const opts = { cwd: asdfDir };
+    await exec.exec("git", ["remote", "set-branches", "origin", branch], opts);
+    await exec.exec("git", ["fetch", "--depth", "1", "origin", branch], opts);
+    await exec.exec("git", ["checkout", "-B", branch, "origin"], opts);
+  } else {
+    core.info(`Cloning asdf into ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    await exec.exec("git", [
+      "clone",
+      "--depth",
+      "1",
+      "--branch",
+      branch,
+      "--single-branch",
+      "https://github.com/asdf-vm/asdf.git",
+      asdfDir
+    ]);
+  }
 }
 
 // src/plugins-add/index.ts
@@ -3338,11 +3348,11 @@ async function pluginsAdd() {
   await setupAsdf();
   let toolVersions = core2.getInput("tool_versions", { required: false });
   if (toolVersions) {
-    await fs.promises.writeFile(".tool-versions", toolVersions, {
+    await fs2.promises.writeFile(".tool-versions", toolVersions, {
       encoding: "utf8"
     });
   } else {
-    toolVersions = await fs.promises.readFile(".tool-versions", {
+    toolVersions = await fs2.promises.readFile(".tool-versions", {
       encoding: "utf8"
     });
   }
diff --git a/lefthook.yaml b/lefthook.yaml
index 4eb66d9..4760388 100644
--- a/lefthook.yaml
+++ b/lefthook.yaml
@@ -4,6 +4,8 @@ pre-push:
       run: yarn run lint
     format:
       run: yarn fmt:check
+    check_uncommitted_build_changes:
+      run: yarn build:check_uncommitted_changes
 
 pre-commit:
   commands:
diff --git a/package.json b/package.json
index a6eb906..549dc90 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,8 @@
     "fmt:check": "prettier --check .",
     "typecheck": "tsc",
     "lint": "eslint \"**/*.ts\" --cache",
-    "build": "esbuild src/install/main.ts src/plugin-test/main.ts src/plugins-add/main.ts src/setup/main.ts --bundle --outdir=. --target=node16 --platform=node"
+    "build": "esbuild src/install/main.ts src/plugin-test/main.ts src/plugins-add/main.ts src/setup/main.ts --bundle --outdir=. --target=node16 --platform=node",
+    "build:check_uncommitted_changes": "bash -c 'if [ $(git status --porcelain | grep --extended-regexp \"src|install|plugin-test|plugins-add\" | wc -l) -gt 0 ]; then printf \"* %s\\n\" \"Detected uncommitted changes after build. See status below:\";  git diff; exit 1; fi'"
   },
   "dependencies": {
     "@actions/core": "^1.10.0",
diff --git a/plugin-test/main.js b/plugin-test/main.js
index 618fc32..57cd192 100644
--- a/plugin-test/main.js
+++ b/plugin-test/main.js
@@ -519,7 +519,7 @@ var require_file_command = __commonJS({
     };
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.prepareKeyValueMessage = exports.issueFileCommand = void 0;
-    var fs = __importStar(require("fs"));
+    var fs2 = __importStar(require("fs"));
     var os2 = __importStar(require("os"));
     var uuid_1 = (init_esm_node(), __toCommonJS(esm_node_exports));
     var utils_1 = require_utils();
@@ -528,10 +528,10 @@ var require_file_command = __commonJS({
       if (!filePath) {
         throw new Error(`Unable to find environment variable for file command ${command}`);
       }
-      if (!fs.existsSync(filePath)) {
+      if (!fs2.existsSync(filePath)) {
         throw new Error(`Missing file at path: ${filePath}`);
       }
-      fs.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
+      fs2.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
         encoding: "utf8"
       });
     }
@@ -2269,9 +2269,9 @@ var require_io_util = __commonJS({
     var _a;
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.getCmdPath = exports.tryGetExecutablePath = exports.isRooted = exports.isDirectory = exports.exists = exports.IS_WINDOWS = exports.unlink = exports.symlink = exports.stat = exports.rmdir = exports.rename = exports.readlink = exports.readdir = exports.mkdir = exports.lstat = exports.copyFile = exports.chmod = void 0;
-    var fs = __importStar(require("fs"));
+    var fs2 = __importStar(require("fs"));
     var path2 = __importStar(require("path"));
-    _a = fs.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
+    _a = fs2.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
     exports.IS_WINDOWS = process.platform === "win32";
     function exists(fsPath) {
       return __awaiter(this, void 0, void 0, function* () {
@@ -3277,6 +3277,7 @@ var exec3 = __toESM(require_exec());
 var core = __toESM(require_core());
 var exec = __toESM(require_exec());
 var io = __toESM(require_io());
+var fs = __toESM(require("fs"));
 var os = __toESM(require("os"));
 var path = __toESM(require("path"));
 async function setupAsdf() {
@@ -3293,17 +3294,26 @@ async function setupAsdf() {
   if (skip) {
     return;
   }
-  core.info(`Cloning asdf into ASDF_DIR: ${asdfDir}`);
   const branch = core.getInput("asdf_branch", { required: true });
-  await exec.exec("git", [
-    "clone",
-    "--depth",
-    "1",
-    "--branch",
-    branch,
-    "https://github.com/asdf-vm/asdf.git",
-    asdfDir
-  ]);
+  if (fs.existsSync(asdfDir)) {
+    core.info(`Updating asdf in ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    const opts = { cwd: asdfDir };
+    await exec.exec("git", ["remote", "set-branches", "origin", branch], opts);
+    await exec.exec("git", ["fetch", "--depth", "1", "origin", branch], opts);
+    await exec.exec("git", ["checkout", "-B", branch, "origin"], opts);
+  } else {
+    core.info(`Cloning asdf into ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    await exec.exec("git", [
+      "clone",
+      "--depth",
+      "1",
+      "--branch",
+      branch,
+      "--single-branch",
+      "https://github.com/asdf-vm/asdf.git",
+      asdfDir
+    ]);
+  }
 }
 
 // src/plugin-test/index.ts
diff --git a/plugins-add/main.js b/plugins-add/main.js
index e7e4a19..cf045a3 100644
--- a/plugins-add/main.js
+++ b/plugins-add/main.js
@@ -519,7 +519,7 @@ var require_file_command = __commonJS({
     };
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.prepareKeyValueMessage = exports.issueFileCommand = void 0;
-    var fs2 = __importStar(require("fs"));
+    var fs3 = __importStar(require("fs"));
     var os2 = __importStar(require("os"));
     var uuid_1 = (init_esm_node(), __toCommonJS(esm_node_exports));
     var utils_1 = require_utils();
@@ -528,10 +528,10 @@ var require_file_command = __commonJS({
       if (!filePath) {
         throw new Error(`Unable to find environment variable for file command ${command}`);
       }
-      if (!fs2.existsSync(filePath)) {
+      if (!fs3.existsSync(filePath)) {
         throw new Error(`Missing file at path: ${filePath}`);
       }
-      fs2.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
+      fs3.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
         encoding: "utf8"
       });
     }
@@ -2269,9 +2269,9 @@ var require_io_util = __commonJS({
     var _a;
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.getCmdPath = exports.tryGetExecutablePath = exports.isRooted = exports.isDirectory = exports.exists = exports.IS_WINDOWS = exports.unlink = exports.symlink = exports.stat = exports.rmdir = exports.rename = exports.readlink = exports.readdir = exports.mkdir = exports.lstat = exports.copyFile = exports.chmod = void 0;
-    var fs2 = __importStar(require("fs"));
+    var fs3 = __importStar(require("fs"));
     var path2 = __importStar(require("path"));
-    _a = fs2.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
+    _a = fs3.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
     exports.IS_WINDOWS = process.platform === "win32";
     function exists(fsPath) {
       return __awaiter(this, void 0, void 0, function* () {
@@ -3272,12 +3272,13 @@ var core3 = __toESM(require_core());
 // src/plugins-add/index.ts
 var core2 = __toESM(require_core());
 var exec3 = __toESM(require_exec());
-var fs = __toESM(require("fs"));
+var fs2 = __toESM(require("fs"));
 
 // src/setup/index.ts
 var core = __toESM(require_core());
 var exec = __toESM(require_exec());
 var io = __toESM(require_io());
+var fs = __toESM(require("fs"));
 var os = __toESM(require("os"));
 var path = __toESM(require("path"));
 async function setupAsdf() {
@@ -3294,17 +3295,26 @@ async function setupAsdf() {
   if (skip) {
     return;
   }
-  core.info(`Cloning asdf into ASDF_DIR: ${asdfDir}`);
   const branch = core.getInput("asdf_branch", { required: true });
-  await exec.exec("git", [
-    "clone",
-    "--depth",
-    "1",
-    "--branch",
-    branch,
-    "https://github.com/asdf-vm/asdf.git",
-    asdfDir
-  ]);
+  if (fs.existsSync(asdfDir)) {
+    core.info(`Updating asdf in ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    const opts = { cwd: asdfDir };
+    await exec.exec("git", ["remote", "set-branches", "origin", branch], opts);
+    await exec.exec("git", ["fetch", "--depth", "1", "origin", branch], opts);
+    await exec.exec("git", ["checkout", "-B", branch, "origin"], opts);
+  } else {
+    core.info(`Cloning asdf into ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    await exec.exec("git", [
+      "clone",
+      "--depth",
+      "1",
+      "--branch",
+      branch,
+      "--single-branch",
+      "https://github.com/asdf-vm/asdf.git",
+      asdfDir
+    ]);
+  }
 }
 
 // src/plugins-add/index.ts
@@ -3334,11 +3344,11 @@ async function pluginsAdd() {
   await setupAsdf();
   let toolVersions = core2.getInput("tool_versions", { required: false });
   if (toolVersions) {
-    await fs.promises.writeFile(".tool-versions", toolVersions, {
+    await fs2.promises.writeFile(".tool-versions", toolVersions, {
       encoding: "utf8"
     });
   } else {
-    toolVersions = await fs.promises.readFile(".tool-versions", {
+    toolVersions = await fs2.promises.readFile(".tool-versions", {
       encoding: "utf8"
     });
   }
diff --git a/setup/main.js b/setup/main.js
index c60d7d6..58ab65b 100644
--- a/setup/main.js
+++ b/setup/main.js
@@ -519,7 +519,7 @@ var require_file_command = __commonJS({
     };
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.prepareKeyValueMessage = exports.issueFileCommand = void 0;
-    var fs = __importStar(require("fs"));
+    var fs2 = __importStar(require("fs"));
     var os2 = __importStar(require("os"));
     var uuid_1 = (init_esm_node(), __toCommonJS(esm_node_exports));
     var utils_1 = require_utils();
@@ -528,10 +528,10 @@ var require_file_command = __commonJS({
       if (!filePath) {
         throw new Error(`Unable to find environment variable for file command ${command}`);
       }
-      if (!fs.existsSync(filePath)) {
+      if (!fs2.existsSync(filePath)) {
         throw new Error(`Missing file at path: ${filePath}`);
       }
-      fs.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
+      fs2.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os2.EOL}`, {
         encoding: "utf8"
       });
     }
@@ -2269,9 +2269,9 @@ var require_io_util = __commonJS({
     var _a;
     Object.defineProperty(exports, "__esModule", { value: true });
     exports.getCmdPath = exports.tryGetExecutablePath = exports.isRooted = exports.isDirectory = exports.exists = exports.IS_WINDOWS = exports.unlink = exports.symlink = exports.stat = exports.rmdir = exports.rename = exports.readlink = exports.readdir = exports.mkdir = exports.lstat = exports.copyFile = exports.chmod = void 0;
-    var fs = __importStar(require("fs"));
+    var fs2 = __importStar(require("fs"));
     var path2 = __importStar(require("path"));
-    _a = fs.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
+    _a = fs2.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
     exports.IS_WINDOWS = process.platform === "win32";
     function exists(fsPath) {
       return __awaiter(this, void 0, void 0, function* () {
@@ -3273,6 +3273,7 @@ var core2 = __toESM(require_core());
 var core = __toESM(require_core());
 var exec = __toESM(require_exec());
 var io = __toESM(require_io());
+var fs = __toESM(require("fs"));
 var os = __toESM(require("os"));
 var path = __toESM(require("path"));
 async function setupAsdf() {
@@ -3289,17 +3290,26 @@ async function setupAsdf() {
   if (skip) {
     return;
   }
-  core.info(`Cloning asdf into ASDF_DIR: ${asdfDir}`);
   const branch = core.getInput("asdf_branch", { required: true });
-  await exec.exec("git", [
-    "clone",
-    "--depth",
-    "1",
-    "--branch",
-    branch,
-    "https://github.com/asdf-vm/asdf.git",
-    asdfDir
-  ]);
+  if (fs.existsSync(asdfDir)) {
+    core.info(`Updating asdf in ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    const opts = { cwd: asdfDir };
+    await exec.exec("git", ["remote", "set-branches", "origin", branch], opts);
+    await exec.exec("git", ["fetch", "--depth", "1", "origin", branch], opts);
+    await exec.exec("git", ["checkout", "-B", branch, "origin"], opts);
+  } else {
+    core.info(`Cloning asdf into ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    await exec.exec("git", [
+      "clone",
+      "--depth",
+      "1",
+      "--branch",
+      branch,
+      "--single-branch",
+      "https://github.com/asdf-vm/asdf.git",
+      asdfDir
+    ]);
+  }
 }
 
 // src/setup/main.ts
diff --git a/src/setup/index.ts b/src/setup/index.ts
index 3f8bc22..f77d496 100644
--- a/src/setup/index.ts
+++ b/src/setup/index.ts
@@ -1,6 +1,7 @@
 import * as core from "@actions/core";
 import * as exec from "@actions/exec";
 import * as io from "@actions/io";
+import * as fs from "fs";
 import * as os from "os";
 import * as path from "path";
 
@@ -9,24 +10,36 @@ export async function setupAsdf(): Promise<void> {
   if (asdfPath) {
     return;
   }
+
   const asdfDir = path.join(os.homedir(), ".asdf");
   core.exportVariable("ASDF_DIR", asdfDir);
   core.exportVariable("ASDF_DATA_DIR", asdfDir);
   core.addPath(`${asdfDir}/bin`);
   core.addPath(`${asdfDir}/shims`);
+
   const skip = core.getBooleanInput("skip_install", { required: true });
   if (skip) {
     return;
   }
-  core.info(`Cloning asdf into ASDF_DIR: ${asdfDir}`);
+
   const branch = core.getInput("asdf_branch", { required: true });
-  await exec.exec("git", [
-    "clone",
-    "--depth",
-    "1",
-    "--branch",
-    branch,
-    "https://github.com/asdf-vm/asdf.git",
-    asdfDir,
-  ]);
+  if (fs.existsSync(asdfDir)) {
+    core.info(`Updating asdf in ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    const opts = { cwd: asdfDir };
+    await exec.exec("git", ["remote", "set-branches", "origin", branch], opts);
+    await exec.exec("git", ["fetch", "--depth", "1", "origin", branch], opts);
+    await exec.exec("git", ["checkout", "-B", branch, "origin"], opts);
+  } else {
+    core.info(`Cloning asdf into ASDF_DIR "${asdfDir}" on branch "${branch}"`);
+    await exec.exec("git", [
+      "clone",
+      "--depth",
+      "1",
+      "--branch",
+      branch,
+      "--single-branch",
+      "https://github.com/asdf-vm/asdf.git",
+      asdfDir,
+    ]);
+  }
 }