diff --git a/.gitignore b/.gitignore
index e69de29..34b8a7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/fixtures-1.0.0.tar.bz2
+/has-yarn-1.0.0.tgz
diff --git a/dl-tests.sh b/dl-tests.sh
new file mode 100644
index 0000000..0030a57
--- /dev/null
+++ b/dl-tests.sh
@@ -0,0 +1,119 @@
+#!/bin/bash
+
+tag=$(sed -n 's/^Version:\s\(.*\)$/\1/p' ./*.spec | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
+url=$(sed -n 's/^URL:\s\(.*\)$/\1/p' ./*.spec | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
+pkgdir=$(basename $url | sed -s 's/\.git$//')
+
+echo "tag: $tag"
+echo "URL: $url"
+echo "pkgdir: $pkgdir"
+
+set -e
+
+tmp=$(mktemp -d)
+
+trap cleanup EXIT
+cleanup() {
+    echo Cleaning up...
+    set +e
+    [ -z "$tmp" -o ! -d "$tmp" ] || rm -rf "$tmp"
+}
+
+unset CDPATH
+pwd=$(pwd)
+
+pushd "$tmp"
+git clone $url
+cd $pkgdir
+echo Finding git tag
+gittag=$(git show-ref --tags | cut -d' ' -f2 | grep "${tag}$" || git show-ref --tags | cut -d' ' -f2 | sort -Vr | head -n1)
+if [ -z $gittag ]; then
+	gittag=tags/$tag
+fi
+echo "Git Tag: $gittag"
+if [ -d "test" ]; then
+  git archive --prefix='test/' --format=tar ${gittag}:test/ \
+      | bzip2 > "$pwd"/tests-${tag}.tar.bz2
+elif [ -d "tests" ]; then
+  git archive --prefix='tests/' --format=tar ${gittag}:tests/ \
+      | bzip2 > "$pwd"/tests-${tag}.tar.bz2
+elif [ -d "spec" ]; then
+  git archive --prefix='spec/' --format=tar ${gittag}:spec/ \
+      | bzip2 > "$pwd"/tests-${tag}.tar.bz2
+else
+  echo "No test directory found for tag ${gittag}"
+fi
+if [ -d "support" ]; then
+  git archive --prefix='support/' --format=tar ${gittag}:support/ \
+      | bzip2 > "$pwd"/support-${tag}.tar.bz2
+fi
+if [ -d "fixture" ]; then
+  git archive --prefix='fixture/' --format=tar ${gittag}:fixture/ \
+      | bzip2 > "$pwd"/fixture-${tag}.tar.bz2
+fi
+if [ -d "examples" ]; then
+  git archive --prefix='examples/' --format=tar ${gittag}:examples/ \
+      | bzip2 > "$pwd"/examples-${tag}.tar.bz2
+elif [ -d "example" ]; then
+  git archive --prefix='example/' --format=tar ${gittag}:example/ \
+      | bzip2 > "$pwd"/examples-${tag}.tar.bz2
+fi
+if [ -d "tasks" ]; then
+  git archive --prefix='tasks/' --format=tar ${gittag}:tasks/ \
+      | bzip2 > "$pwd"/tasks-${tag}.tar.bz2
+fi
+if [ -d "docs" ]; then
+  git archive --prefix='docs/' --format=tar ${gittag}:docs/ \
+      | bzip2 > "$pwd"/docs-${tag}.tar.bz2
+elif [ -d "doc" ]; then
+  git archive --prefix='doc/' --format=tar ${gittag}:doc/ \
+      | bzip2 > "$pwd"/docs-${tag}.tar.bz2
+fi
+if [ -d "src" ]; then
+  git archive --prefix='src/' --format=tar ${gittag}:src/ \
+      | bzip2 > "$pwd"/src-${tag}.tar.bz2
+elif [ -d "source" ]; then
+  git archive --prefix='source/' --format=tar ${gittag}:source/ \
+      | bzip2 > "$pwd"/source-${tag}.tar.bz2
+fi
+if [ -d "tools" ]; then
+  git archive --prefix='tools/' --format=tar ${gittag}:tools/ \
+      | bzip2 > "$pwd"/tools-${tag}.tar.bz2
+fi
+if [ -d "scripts" ]; then
+  git archive --prefix='scripts/' --format=tar ${gittag}:scripts/ \
+      | bzip2 > "$pwd"/scripts-${tag}.tar.bz2
+fi
+if [ -d "modules" ]; then
+  git archive --prefix='modules/' --format=tar ${gittag}:modules/ \
+      | bzip2 > "$pwd"/modules-${tag}.tar.bz2
+fi
+if [ -d "ts" ]; then
+  git archive --prefix='ts/' --format=tar ${gittag}:ts/ \
+      | bzip2 > "$pwd"/ts-${tag}.tar.bz2
+fi
+if [ -d "build" ]; then
+  git archive --prefix='build/' --format=tar ${gittag}:build/ \
+      | bzip2 > "$pwd"/build-${tag}.tar.bz2
+fi
+if [ -d "fixtures" ]; then
+  git archive --prefix='fixtures/' --format=tar ${gittag}:fixtures/ \
+      | bzip2 > "$pwd"/fixtures-${tag}.tar.bz2
+fi
+if [ -d "mocks" ]; then
+  git archive --prefix='mocks/' --format=tar ${gittag}:mocks/ \
+      | bzip2 > "$pwd"/mocks-${tag}.tar.bz2
+fi
+if [ -d "typings" ]; then
+  git archive --prefix='typings/' --format=tar ${gittag}:typings/ \
+      | bzip2 > "$pwd"/typings-${tag}.tar.bz2
+fi
+if [ -d "templates" ]; then
+  git archive --prefix='templates/' --format=tar ${gittag}:templates/ \
+      | bzip2 > "$pwd"/templates-${tag}.tar.bz2
+fi
+if [ -d "benchmark" ]; then
+  git archive --prefix='benchmark/' --format=tar ${gittag}:benchmark/ \
+      | bzip2 > "$pwd"/benchmark-${tag}.tar.bz2
+fi
+popd
diff --git a/nodejs-has-yarn.spec b/nodejs-has-yarn.spec
new file mode 100644
index 0000000..dec4038
--- /dev/null
+++ b/nodejs-has-yarn.spec
@@ -0,0 +1,68 @@
+%{?nodejs_find_provides_and_requires}
+
+%global packagename has-yarn
+
+# tests missing due to missing npm(ava)
+%global enable_tests 0
+
+Name:		nodejs-has-yarn
+Version:	1.0.0
+Release:	1%{?dist}
+Summary:	Check if a project is using Yarn
+
+License:	MIT
+URL:		https://github.com/sindresorhus/has-yarn
+Source0:	https://registry.npmjs.org/%{packagename}/-/%{packagename}-%{version}.tgz
+# The test files are not included in the npm tarball.
+# Source1 is generated by running Source10, which pulls from the upstream
+# version control repository.
+Source1:	fixtures-%{version}.tar.bz2
+Source10:	dl-tests.sh
+# The test.js file isn't in the tarball either
+Source11:	https://raw.githubusercontent.com/sindresorhus/has-yarn/v%{version}/test.js
+
+ExclusiveArch:	%{nodejs_arches} noarch
+BuildArch:	noarch
+
+BuildRequires:	nodejs-packaging
+%if 0%{?enable_tests}
+BuildRequires:	npm(ava)
+%endif
+
+%description
+Check if a project is using Yarn
+
+
+%prep
+%autosetup -n package
+# setup the tests
+%autosetup -T -D -a 1 -n package
+cp -p %{SOURCE11} .
+
+%build
+# nothing to do!
+
+%install
+mkdir -p %{buildroot}%{nodejs_sitelib}/%{packagename}
+cp -pr package.json index.js \
+	%{buildroot}%{nodejs_sitelib}/%{packagename}
+
+%nodejs_symlink_deps
+
+%check
+%nodejs_symlink_deps --check
+%{__nodejs} -e 'require("./")'
+%if 0%{?enable_tests}
+%{_bindir}/ava
+%else
+%{_bindir}/echo -e "\e[101m -=#=- Tests disabled -=#=- \e[0m"
+%endif
+
+%files
+%doc readme.md
+%license license
+%{nodejs_sitelib}/%{packagename}
+
+%changelog
+* Thu Apr 20 2017 Jared Smith <jsmith@fedoraproject.org> - 1.0.0-1
+- Initial packaging
diff --git a/sources b/sources
index e69de29..e91b710 100644
--- a/sources
+++ b/sources
@@ -0,0 +1,2 @@
+SHA512 (fixtures-1.0.0.tar.bz2) = cca0371992a9168cff275e4f0a46fd7763c800caf69baf7e2050ff1fa40a652f445c2b4ddfabd4cd9a7bd0c289f0ed2d8484973a4dee21d186fff5c2df401de4
+SHA512 (has-yarn-1.0.0.tgz) = 5002386f8f1aaab75ecfcf02c0c7c2f6cfa0709db93b5aa0d3f852e5e28eb08179b4ec361187201acaf2605e93108e46f12782633141b79674e03fc10c005849
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..1455b41
--- /dev/null
+++ b/test.js
@@ -0,0 +1,8 @@
+import test from 'ava';
+import m from './';
+
+test(t => {
+	t.true(m('fixtures/bar'));
+	t.false(m('fixtures/foo'));
+	t.false(m());
+});