8000 Add TreeDefinition.AddGitLink() · freevoid/libgit2sharp@0058041 · GitHub
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Add TreeDefinition.AddGitLink()
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‎LibGit2Sharp.Tests/ObjectDatabaseFixture.cs

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Original file line numberDiff line numberDiff line change
@@ -244,6 +244,48 @@ public void CanCreateATreeContainingABlobFromAFileInTheWorkingDirectory()
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}
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}
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[Fact]
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public void CanCreateATreeContainingAGitLinkFromAnUntrackedSubmoduleInTheWorkingDirectory()
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{
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string path = CloneSubmoduleTestRepo();
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using (var repo = new Repository(path))
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{
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const string submodulePath = "sm_added_and_uncommited";
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var submoduleBefore = repo.Submodules[submodulePath];
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Assert.NotNull(submoduleBefore);
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Assert.Null(submoduleBefore.HeadCommitId);
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var objectId = (ObjectId)"480095882d281ed676fe5b863569520e54a7d5c0";
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TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree)
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.AddGitLink(submodulePath, objectId);
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TreeEntryDefinition ted = td[submodulePath];
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Assert.NotNull(ted);
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Assert.Equal(Mode.GitLink, ted.Mode);
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Assert.Equal(objectId, ted.TargetId);
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Assert.Equal(GitObjectType.Commit, ted.Type);
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Tree tree = repo.ObjectDatabase.CreateTree(td);
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TreeEntry te = tree[submodulePath];
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Assert.NotNull(te.Target);
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Assert 10000 .IsType<GitLink>(te.Target);
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Assert.Equal(objectId, te.Target.Id);
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var commitWithSubmodule = repo.ObjectDatabase.CreateCommit("Submodule!", DummySignature, DummySignature, tree,
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new[] { repo.Head.Tip });
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repo.Reset(ResetOptions.Soft, commitWithSubmodule);
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var submodule = repo.Submodules[submodulePath];
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Assert.NotNull(submodule);
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Assert.Equal(submodulePath, submodule.Name);
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Assert.Equal(submodulePath, submodule.Path);
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Assert.Equal(objectId, submodule.HeadCommitId);
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}
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}
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[Fact]
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public void CannotCreateATreeContainingABlobFromARelativePathAgainstABareRepository()
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{

‎LibGit2Sharp.Tests/TreeDefinitionFixture.cs

Lines changed: 124 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -111,6 +111,27 @@ public void CanAddAnExistingTreeEntryDefinition(string sourcePath, string target
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}
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}
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[Fact]
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public void CanAddAnExistingGitLinkTreeEntryDefinition()
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{
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const string sourcePath = "sm_unchanged";
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const string targetPath = "sm_from_td";
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using (var repo = new Repository(SubmoduleTestRepoWorkingDirPath))
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{
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TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
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Assert.Null(td[targetPath]);
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TreeEntryDefinition ted = td[sourcePath];
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td.Add(targetPath, ted);
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TreeEntryDefinition fetched = td[targetPath];
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Assert.NotNull(fetched);
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Assert.Equal(ted, fetched);
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}
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}
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[Theory]
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[InlineData("a8233120f6ad708f843d861ce2b7228ec4e3dec6", "README_TOO")]
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[InlineData("a8233120f6ad708f843d861ce2b7228ec4e3dec6", "1/README")]
@@ -217,6 +238,109 @@ public void CanReplaceAnExistingBlobWithATree(string targetPath)
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}
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}
219240

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[Fact]
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public void CanReplaceAnExistingTreeWithAGitLink()
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{
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var commitId = (ObjectId)"480095882d281ed676fe5b863569520e54a7d5c0";
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const string targetPath = "just_a_dir";
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using (var repo = new Repository(SubmoduleTestRepoWorkingDirPath))
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{
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TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
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Assert.Equal(GitObjectType.Tree, td[targetPath].Type);
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Assert.NotNull(td["just_a_dir/contents"]);
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td.AddGitLink(targetPath, commitId);
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TreeEntryDefinition fetched = td[targetPath];
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Assert.NotNull(fetched);
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Assert.Equal(commitId, fetched.TargetId);
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Assert.Equal(GitObjectType.Commit, fetched.Type);
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Assert.Equal(Mode.GitLink, fetched.Mode);
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Assert.Null(td["just_a_dir/contents"]);
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}
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}
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[Fact]
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public void CanReplaceAnExistingGitLinkWithATree()
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{
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const string treeSha = "607d96653d4d0a4f733107f7890c2e67b55b620d";
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const string targetPath = "sm_unchanged";
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using (var repo = new Repository(SubmoduleTestRepoWorkingDirPath))
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{
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TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
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Assert.NotNull(td[targetPath]);
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Assert.Equal(GitObjectType.Commit, td[targetPath].Type);
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Assert.Equal(Mode.GitLink, td[targetPath].Mode);
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280+
var objectId = new ObjectId(treeSha);
281+
var tree = repo.Lookup<Tree>(objectId);
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td.Add(targetPath, tree);
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TreeEntryDefinition fetched = td[targetPath];
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Assert.NotNull(fetched);
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Assert.Equal(objectId, fetched.TargetId);
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Assert.Equal(GitObjectType.Tree, fetched.Type);
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Assert.Equal(Mode.Directory, fetched.Mode);
291+
}
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}
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[Fact]
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public void CanReplaceAnExistingBlobWithAGitLink()
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{
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var commitId = (ObjectId)"480095882d281ed676fe5b863569520e54a7d5c0";
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const string targetPath = "just_a_file";
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using (var repo = new Repository(SubmoduleTestRepoWorkingDirPath))
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{
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TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
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Assert.NotNull(td[targetPath]);
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Assert.Equal(GitObjectType.Blob, td[targetPath].Type);
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td.AddGitLink(targetPath, commitId);
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TreeEntryDefinition fetched = td[targetPath];
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Assert.NotNull(fetched);
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Assert.Equal(GitObjectType.Commit, td[targetPath].Type);
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Assert.Equal(commitId, fetched.TargetId);
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Assert.Equal(Mode.GitLink, fetched.Mode);
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}
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}
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[Fact]
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public void CanReplaceAnExistingGitLinkWithABlob()
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{
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const string blobSha = "42cfb95cd01bf9225b659b5ee3edcc78e8eeb478";
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const string targetPath = "sm_unchanged";
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using (var repo = new Repository(SubmoduleTestRepoWorkingDirPath))
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{
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TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
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Assert.NotNull(td[targetPath]);
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Assert.Equal(GitObjectType.Commit, td[targetPath].Type);
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Assert.Equal(Mode.GitLink, td[targetPath].Mode);
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var objectId = new ObjectId(blobSha);
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var blob = repo.Lookup<Blob>(objectId);
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td.Add(targetPath, blob, Mode.NonExecutableFile);
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TreeEntryDefinition fetched = td[targetPath];
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Assert.NotNull(fetched);
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Assert.Equal(objectId, fetched.TargetId);
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Assert.Equal(GitObjectType.Blob, fetched.Type);
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Assert.Equal(Mode.NonExecutableFile, fetched.Mode);
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}
342+
}
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220344
[Fact]
221345
public void CanNotReplaceAnExistingTreeWithATreeBeingAssembled()
222346
{

‎LibGit2Sharp/TreeDefinition.cs

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -174,6 +174,23 @@ public virtual TreeDefinition Add(string targetTreeEntryPath, Tree tree)
174174
return Add(targetTreeEntryPath, ted);
175175
}
176176

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/// <summary>
178+
/// Adds or replaces a gitlink <see cref="TreeEntryDefinition"/>,
179+
/// referencing the commit identified by <paramref name="objectId"/>,
180+
/// at the specified <paramref name="targetTreeEntryPath"/> location.
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/// </summary>
182+
/// <param name="targetTreeEntryPath">The path within this <see cref="TreeDefinition"/>.</param>
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/// <param name="objectId">The <see cref="ObjectId"/> of the commit to be linked at the described location.</param>
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/// <returns>The current <see cref="TreeDefinition"/>.</returns>
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public virtual TreeDefinition AddGitLink(string targetTreeEntryPath, ObjectId objectId)
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{
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Ensure.ArgumentNotNull(objectId, "objectId");
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var ted = TreeEntryDefinition.From(objectId);
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return Add(targetTreeEntryPath, ted);
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}
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private TreeDefinition RetrieveOrBuildTreeDefinition(string treeName, bool shouldOverWrite)
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{
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TreeDefinition td;
@@ -195,6 +212,7 @@ private TreeDefinition RetrieveOrBuildTreeDefinition(string treeName, bool shoul
195212
break;
196213

197214
case GitObjectType.Blob:
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case GitObjectType.Commit:
198216
if (shouldOverWrite)
199217
{
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td = new TreeDefinition();

‎LibGit2Sharp/TreeEntryDefinition.cs

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -76,6 +76,17 @@ internal static TreeEntryDefinition TransientBlobFrom(string filePath, Mode mode
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};
7777
}
7878

79+
internal static TreeEntryDefinition From(ObjectId objectId)
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{
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return new TreeEntryDefinition
82+
{
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Mode = Mode.GitLink,
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Type = GitObjectType.Commit,
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TargetId = objectId,
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target = new Lazy<GitObject>(() => { throw new InvalidOperationException("Shouldn't be necessary."); }),
87+
};
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}
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internal static TreeEntryDefinition From(Tree tree)
8091
{
8192
return new TreeEntryDefinition

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