Accept tildes in --override_module

This is useful for adding this in your global ~/.bazelrc file for easy rules debugging.

See also bazelbuild#15417

Closes bazelbuild#17218.

PiperOrigin-RevId: 502854597
Change-Id: Ic26289c6497edd31187dde2c7cda78c2177a56c4

Author: keith

src/main/java/com/google/devtools/build/lib/bazel/repository/RepositoryOptions.java

@@ -350,12 +350,12 @@ public ModuleOverride convert(String input) throws OptionsParsingException {
       OptionsUtils.AbsolutePathFragmentConverter absolutePathFragmentConverter =
           new OptionsUtils.AbsolutePathFragmentConverter();
       try {
-        var unused = absolutePathFragmentConverter.convert(pieces[1]);
+        var path = absolutePathFragmentConverter.convert(pieces[1]);
+        return ModuleOverride.create(pieces[0], path.toString());
       } catch (OptionsParsingException e) {
         throw new OptionsParsingException(
             "Module override directory must be an absolute path", input, e);
       }
-      return ModuleOverride.create(pieces[0], pieces[1]);
     }
 
     @Override

src/test/java/com/google/devtools/build/lib/bazel/repository/RepositoryOptionsTest.java

@@ -17,6 +17,8 @@
 import static com.google.common.base.StandardSystemProperty.USER_HOME;
 import static com.google.common.truth.Truth.assertThat;
 
+import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.ModuleOverride;
+import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.ModuleOverrideConverter;
 import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.RepositoryOverride;
 import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.RepositoryOverrideConverter;
 import com.google.devtools.build.lib.cmdline.RepositoryName;
@@ -60,6 +62,14 @@ public void testOverridePathWithTilde() throws Exception {
     assertThat(actual.path()).isEqualTo(PathFragment.create(USER_HOME.value() + "/bar"));
   }
 
+  @Test
+  public void testModuleOverridePathWithTilde() throws Exception {
+    var converter = new ModuleOverrideConverter();
+    ModuleOverride actual = converter.convert("foo=~/bar");
+    assertThat(PathFragment.create(actual.path()))
+        .isEqualTo(PathFragment.create(USER_HOME.value() + "/bar"));
+  }
+
   @Test
   public void testInvalidOverride() throws Exception {
     expectedException.expect(OptionsParsingException.class);