fix: expand tilde file paths (#756)

Signed-off-by: Rui Chen <rui@chenrui.dev>

__tests__/util.test.ts

@@ -1,6 +1,8 @@
 import {
   alignAssetName,
+  expandHomePattern,
   isTag,
+  normalizeFilePattern,
   normalizeGlobPattern,
   normalizeTagName,
   parseConfig,
@@ -541,6 +543,36 @@ describe('util', () => {
     });
   });
 
+  describe('expandHomePattern', () => {
+    it('expands a bare tilde to the provided home directory', () => {
+      assert.equal(expandHomePattern('~', '/home/runner'), '/home/runner');
+    });
+
+    it('expands posix-style tilde paths', () => {
+      assert.equal(expandHomePattern('~/release.txt', '/home/runner'), '/home/runner/release.txt');
+    });
+
+    it('leaves non-tilde paths unchanged', () => {
+      assert.equal(expandHomePattern('./release.txt', '/home/runner'), './release.txt');
+    });
+  });
+
+  describe('normalizeFilePattern', () => {
+    it('expands tilde paths before globbing', () => {
+      assert.equal(
+        normalizeFilePattern('~/release-assets/*.tgz', 'linux', '/home/runner'),
+        '/home/runner/release-assets/*.tgz',
+      );
+    });
+
+    it('expands tilde paths and normalizes windows separators', () => {
+      assert.equal(
+        normalizeFilePattern('~\\release-assets\\*.zip', 'win32', 'C:\\Users\\runner'),
+        'C:/Users/runner/release-assets/*.zip',
+      );
+    });
+  });
+
   describe('replaceSpacesWithDots', () => {
     it('replaces all spaces with dots', () => {
       expect(alignAssetName('John Doe.bla')).toBe('John.Doe.bla');