FetchCommand: Fix detection of submodule recursion mode
The submodule.name.fetchRecurseSubmodules value was being read from the configuration of the submodule, but it should be read from the config of the parent repository. Also, the fetch.recurseSubmodules value from the parent repository's configuration was not being considered at all. Fix both of these and add tests. Now the precedence of the recurse mode is determined as follows: 1. Value passed to the API 2. Value configured in submodule.name.fetchRecurseSubmodules 3. Value configured in fetch.recurseSubmodules 4. Default to "on demand" Change-Id: Ic23b7c40b5f39135fb3fd754c597dd4bcc94240c
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@ -51,9 +51,11 @@
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import org.eclipse.jgit.api.ResetCommand.ResetType;
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import org.eclipse.jgit.junit.JGitTestUtil;
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import org.eclipse.jgit.junit.RepositoryTestCase;
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import org.eclipse.jgit.lib.ConfigConstants;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.lib.StoredConfig;
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import org.eclipse.jgit.lib.SubmoduleConfig.FetchRecurseSubmodulesMode;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.submodule.SubmoduleStatus;
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@ -85,6 +87,8 @@ public class FetchCommandRecurseSubmodulesTest extends RepositoryTestCase {
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private final String REMOTE = "origin";
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private final String PATH = "sub";
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@Before
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public void setUpSubmodules()
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throws Exception {
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@ -100,7 +104,6 @@ public void setUpSubmodules()
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addRepoToClose(sub1);
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String file = "file.txt";
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String path = "sub";
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write(new File(sub1.getWorkTree(), file), "content");
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sub1Git.add().addFilepattern(file).call();
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@ -122,7 +125,7 @@ public void setUpSubmodules()
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assertNotNull(sub2Head);
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// Add submodule 2 to submodule 1
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Repository r2 = sub1Git.submoduleAdd().setPath(path)
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Repository r2 = sub1Git.submoduleAdd().setPath(PATH)
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.setURI(sub2.getDirectory().toURI().toString()).call();
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assertNotNull(r2);
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addRepoToClose(r2);
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@ -131,7 +134,7 @@ public void setUpSubmodules()
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assertNotNull(sub1Head);
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// Add submodule 1 to default repository
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Repository r1 = git.submoduleAdd().setPath(path)
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Repository r1 = git.submoduleAdd().setPath(PATH)
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.setURI(sub1.getDirectory().toURI().toString()).call();
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assertNotNull(r1);
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addRepoToClose(r1);
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@ -193,6 +196,90 @@ public void shouldFetchSubmodulesWhenYes() throws Exception {
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@Test
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public void shouldFetchSubmodulesWhenOnDemandAndRevisionChanged()
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throws Exception {
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RevCommit update = updateSubmoduleRevision();
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FetchResult result = fetch(FetchRecurseSubmodulesMode.ON_DEMAND);
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// The first submodule should have been updated
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assertTrue(result.submoduleResults().containsKey("sub"));
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FetchResult subResult = result.submoduleResults().get("sub");
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// The second submodule should not get updated
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assertTrue(subResult.submoduleResults().isEmpty());
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assertSubmoduleFetchHeads(commit1, submodule2Head);
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// After fetch the parent repo's fetch head should be the commit
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// that updated the submodule.
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assertEquals(update,
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git2.getRepository().resolve(Constants.FETCH_HEAD));
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}
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@Test
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public void shouldNotFetchSubmodulesWhenOnDemandAndRevisionNotChanged()
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throws Exception {
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FetchResult result = fetch(FetchRecurseSubmodulesMode.ON_DEMAND);
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assertTrue(result.submoduleResults().isEmpty());
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assertSubmoduleFetchHeads(submodule1Head, submodule2Head);
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}
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@Test
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public void shouldNotFetchSubmodulesWhenSubmoduleConfigurationSetToNo()
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throws Exception {
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StoredConfig config = git2.getRepository().getConfig();
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config.setEnum(ConfigConstants.CONFIG_SUBMODULE_SECTION, PATH,
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ConfigConstants.CONFIG_KEY_FETCH_RECURSE_SUBMODULES,
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FetchRecurseSubmodulesMode.NO);
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config.save();
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updateSubmoduleRevision();
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FetchResult result = fetch(null);
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assertTrue(result.submoduleResults().isEmpty());
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assertSubmoduleFetchHeads(submodule1Head, submodule2Head);
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}
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@Test
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public void shouldFetchSubmodulesWhenSubmoduleConfigurationSetToYes()
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throws Exception {
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StoredConfig config = git2.getRepository().getConfig();
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config.setEnum(ConfigConstants.CONFIG_SUBMODULE_SECTION, PATH,
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ConfigConstants.CONFIG_KEY_FETCH_RECURSE_SUBMODULES,
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FetchRecurseSubmodulesMode.YES);
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config.save();
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FetchResult result = fetch(null);
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assertTrue(result.submoduleResults().containsKey("sub"));
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FetchResult subResult = result.submoduleResults().get("sub");
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assertTrue(subResult.submoduleResults().containsKey("sub"));
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assertSubmoduleFetchHeads(commit1, commit2);
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}
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@Test
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public void shouldNotFetchSubmodulesWhenFetchConfigurationSetToNo()
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throws Exception {
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StoredConfig config = git2.getRepository().getConfig();
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config.setEnum(ConfigConstants.CONFIG_FETCH_SECTION, null,
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ConfigConstants.CONFIG_KEY_RECURSE_SUBMODULES,
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FetchRecurseSubmodulesMode.NO);
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config.save();
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updateSubmoduleRevision();
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FetchResult result = fetch(null);
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assertTrue(result.submoduleResults().isEmpty());
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assertSubmoduleFetchHeads(submodule1Head, submodule2Head);
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}
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@Test
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public void shouldFetchSubmodulesWhenFetchConfigurationSetToYes()
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throws Exception {
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StoredConfig config = git2.getRepository().getConfig();
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config.setEnum(ConfigConstants.CONFIG_FETCH_SECTION, null,
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ConfigConstants.CONFIG_KEY_RECURSE_SUBMODULES,
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FetchRecurseSubmodulesMode.YES);
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config.save();
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FetchResult result = fetch(null);
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assertTrue(result.submoduleResults().containsKey("sub"));
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FetchResult subResult = result.submoduleResults().get("sub");
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assertTrue(subResult.submoduleResults().containsKey("sub"));
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assertSubmoduleFetchHeads(commit1, commit2);
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}
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private RevCommit updateSubmoduleRevision() throws Exception {
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// Fetch the submodule in the original git and reset it to
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// the commit that was created
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try (SubmoduleWalk w = SubmoduleWalk.forIndex(git.getRepository())) {
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@ -221,28 +308,7 @@ public void shouldFetchSubmodulesWhenOnDemandAndRevisionChanged()
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assertEquals(commit1, subStatus.getHeadId());
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assertEquals(SubmoduleStatusType.INITIALIZED, subStatus.getType());
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FetchResult result = fetch(FetchRecurseSubmodulesMode.ON_DEMAND);
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// The first submodule should have been updated
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assertTrue(result.submoduleResults().containsKey("sub"));
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FetchResult subResult = result.submoduleResults().get("sub");
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// The second submodule should not get updated
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assertTrue(subResult.submoduleResults().isEmpty());
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assertSubmoduleFetchHeads(commit1, submodule2Head);
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// After fetch the parent repo's fetch head should be the commit
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// that updated the submodule.
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assertEquals(update,
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git2.getRepository().resolve(Constants.FETCH_HEAD));
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}
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@Test
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public void shouldNotFetchSubmodulesWhenOnDemandAndRevisionNotChanged()
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throws Exception {
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FetchResult result = fetch(FetchRecurseSubmodulesMode.ON_DEMAND);
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assertTrue(result.submoduleResults().isEmpty());
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assertSubmoduleFetchHeads(submodule1Head, submodule2Head);
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return update;
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}
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private FetchResult fetch(FetchRecurseSubmodulesMode mode)
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@ -60,6 +60,7 @@
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import org.eclipse.jgit.lib.ConfigConstants;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.NullProgressMonitor;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.lib.ProgressMonitor;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.lib.StoredConfig;
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@ -106,15 +107,14 @@ protected FetchCommand(Repository repo) {
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refSpecs = new ArrayList<>(3);
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}
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private FetchRecurseSubmodulesMode getRecurseMode(Repository repository,
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String path) {
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private FetchRecurseSubmodulesMode getRecurseMode(String path) {
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// Use the caller-specified mode, if set
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if (submoduleRecurseMode != null) {
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return submoduleRecurseMode;
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}
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// Fall back to submodule config, if set
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FetchRecurseSubmodulesMode mode = repository.getConfig().getEnum(
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// Fall back to submodule.name.fetchRecurseSubmodules, if set
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FetchRecurseSubmodulesMode mode = repo.getConfig().getEnum(
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FetchRecurseSubmodulesMode.values(),
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ConfigConstants.CONFIG_SUBMODULE_SECTION, path,
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ConfigConstants.CONFIG_KEY_FETCH_RECURSE_SUBMODULES, null);
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@ -122,22 +122,29 @@ private FetchRecurseSubmodulesMode getRecurseMode(Repository repository,
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return mode;
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}
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// Fall back to fetch.recurseSubmodules, if set
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mode = repo.getConfig().getEnum(FetchRecurseSubmodulesMode.values(),
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ConfigConstants.CONFIG_FETCH_SECTION, null,
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ConfigConstants.CONFIG_KEY_RECURSE_SUBMODULES, null);
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if (mode != null) {
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return mode;
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}
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// Default to on-demand mode
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return FetchRecurseSubmodulesMode.ON_DEMAND;
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}
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private boolean isRecurseSubmodules() {
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return submoduleRecurseMode != null
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&& submoduleRecurseMode != FetchRecurseSubmodulesMode.NO;
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}
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private void fetchSubmodules(FetchResult results)
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throws org.eclipse.jgit.api.errors.TransportException,
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GitAPIException, InvalidConfigurationException {
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try (SubmoduleWalk walk = new SubmoduleWalk(repo);
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RevWalk revWalk = new RevWalk(repo)) {
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// Walk over submodules in the parent repository's FETCH_HEAD.
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walk.setTree(revWalk.parseTree(repo.resolve(Constants.FETCH_HEAD)));
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ObjectId fetchHead = repo.resolve(Constants.FETCH_HEAD);
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if (fetchHead == null) {
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return;
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}
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walk.setTree(revWalk.parseTree(fetchHead));
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while (walk.next()) {
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Repository submoduleRepo = walk.getRepository();
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@ -150,7 +157,7 @@ private void fetchSubmodules(FetchResult results)
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}
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FetchRecurseSubmodulesMode recurseMode = getRecurseMode(
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submoduleRepo, walk.getPath());
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walk.getPath());
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// When the fetch mode is "yes" we always fetch. When the mode
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// is "on demand", we only fetch if the submodule's revision was
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@ -204,8 +211,7 @@ public FetchResult call() throws GitAPIException, InvalidRemoteException,
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configure(transport);
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FetchResult result = transport.fetch(monitor, refSpecs);
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if (!repo.isBare() && (!result.getTrackingRefUpdates().isEmpty()
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|| isRecurseSubmodules())) {
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if (!repo.isBare()) {
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fetchSubmodules(result);
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}
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@ -380,4 +380,10 @@ public class ConfigConstants {
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* @since 4.7
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*/
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public static final String CONFIG_KEY_FETCH_RECURSE_SUBMODULES = "fetchRecurseSubmodules";
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/**
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* The "recurseSubmodules" key
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* @since 4.7
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*/
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public static final String CONFIG_KEY_RECURSE_SUBMODULES = "recurseSubmodules";
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}
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