[JENKINS-35687] Add simple git lfs support

jenkinsci · Jan 4, 2017 · a809052 · a809052
1 parent 6e13431
commit a809052
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diff --git a/src/main/java/hudson/plugins/git/extensions/impl/GitLFSPull.java b/src/main/java/hudson/plugins/git/extensions/impl/GitLFSPull.java
@@ -0,0 +1,53 @@
+package hudson.plugins.git.extensions.impl;
+
+import hudson.Extension;
+import hudson.model.Run;
+import hudson.model.TaskListener;
+import hudson.plugins.git.GitException;
+import hudson.plugins.git.GitSCM;
+import hudson.plugins.git.extensions.GitSCMExtension;
+import hudson.plugins.git.extensions.GitSCMExtensionDescriptor;
+
+import org.eclipse.jgit.transport.RemoteConfig;
+import org.jenkinsci.plugins.gitclient.CheckoutCommand;
+import org.jenkinsci.plugins.gitclient.GitClient;
+import org.kohsuke.stapler.DataBoundConstructor;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * git-lfs-pull after the checkout.
+ *
+ * @author Matt Hauck
+ */
+public class GitLFSPull extends GitSCMExtension {
+    @DataBoundConstructor
+    public GitLFSPull() {
+    }
+
+    @Override
+    public void decorateCheckoutCommand(GitSCM scm, Run<?, ?> build, GitClient git, TaskListener listener, CheckoutCommand cmd) throws IOException, InterruptedException, GitException {
+        listener.getLogger().println("Enabling Git LFS pull");
+        List<RemoteConfig> repos = scm.getParamExpandedRepos(build, listener);
+        // repos should never be empty, but check anyway
+        if (!repos.isEmpty()) {
+            // Pull LFS files from the first configured repository.
+            // Same technique is used in GitSCM and CLoneOption.
+            // Assumes the passed in scm represents a single repository, or if
+            // multiple repositories are in use, the first repository in the
+            // configuration is treated as authoritative.
+            // Git plugin does not support multiple independent repositories
+            // in a single job definition.
+            cmd.lfsRemote(repos.get(0).getName());
+        }
+    }
+
+    @Extension
+    public static class DescriptorImpl extends GitSCMExtensionDescriptor {
+        @Override
+        public String getDisplayName() {
+            return "Git LFS pull after checkout";
+        }
+    }
+}
diff --git a/src/test/java/hudson/plugins/git/extensions/impl/CheckoutOptionTest.java b/src/test/java/hudson/plugins/git/extensions/impl/CheckoutOptionTest.java
@@ -95,6 +95,11 @@ public CheckoutCommand sparseCheckoutPaths(List<String> sparseCheckoutPaths) {
             throw new UnsupportedOperationException("Don't call me");
         }
 
+        @Override
+        public CheckoutCommand lfsRemote(String lfsRemote) {
+            throw new UnsupportedOperationException("Don't call me");
+        }
+
         @Override
         public void execute() throws GitException, InterruptedException {
             throw new UnsupportedOperationException("Don't call me");