1 files changed, 189 insertions, 0 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/PrePushHook.java b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/PrePushHook.java
new file mode 100644
index 0000000000..e36312b3da
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+++ b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/PrePushHook.java
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2015, 2022 Obeo and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.hooks;
+
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.Collection;
+
+import org.eclipse.jgit.api.errors.AbortedByHookException;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.transport.RemoteRefUpdate;
+
+/**
+ * The <code>pre-push</code> hook implementation. The pre-push hook runs during
+ * git push, after the remote refs have been updated but before any objects have
+ * been transferred.
+ *
+ * @since 4.2
+ */
+public class PrePushHook extends GitHook<String> {
+
+	/**
+	 * Constant indicating the name of the pre-push hook.
+	 */
+	public static final String NAME = "pre-push"; //$NON-NLS-1$
+
+	private String remoteName;
+
+	private String remoteLocation;
+
+	private String refs;
+
+	private boolean dryRun;
+
+	/**
+	 * Constructor for PrePushHook
+	 * <p>
+	 * This constructor will use the default error stream.
+	 * </p>
+	 *
+	 * @param repo
+	 *            The repository
+	 * @param outputStream
+	 *            The output stream the hook must use. {@code null} is allowed,
+	 *            in which case the hook will use {@code System.out}.
+	 */
+	protected PrePushHook(Repository repo, PrintStream outputStream) {
+		super(repo, outputStream);
+	}
+
+	/**
+	 * Constructor for PrePushHook
+	 *
+	 * @param repo
+	 *            The repository
+	 * @param outputStream
+	 *            The output stream the hook must use. {@code null} is allowed,
+	 *            in which case the hook will use {@code System.out}.
+	 * @param errorStream
+	 *            The error stream the hook must use. {@code null} is allowed,
+	 *            in which case the hook will use {@code System.err}.
+	 * @since 5.6
+	 */
+	protected PrePushHook(Repository repo, PrintStream outputStream,
+			PrintStream errorStream) {
+		super(repo, outputStream, errorStream);
+	}
+
+	@Override
+	protected String getStdinArgs() {
+		return refs;
+	}
+
+	@Override
+	public String call() throws IOException, AbortedByHookException {
+		if (canRun()) {
+			doRun();
+		}
+		return ""; //$NON-NLS-1$
+	}
+
+	/**
+	 * @return {@code true}
+	 */
+	private boolean canRun() {
+		return true;
+	}
+
+	@Override
+	public String getHookName() {
+		return NAME;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * <p>
+	 * This hook receives two parameters, which is the name and the location of
+	 * the remote repository.
+	 */
+	@Override
+	protected String[] getParameters() {
+		if (remoteName == null) {
+			remoteName = remoteLocation;
+		}
+		return new String[] { remoteName, remoteLocation };
+	}
+
+	/**
+	 * Set remote name
+	 *
+	 * @param name
+	 *            remote name
+	 */
+	public void setRemoteName(String name) {
+		remoteName = name;
+	}
+
+	/**
+	 * Get remote name
+	 *
+	 * @return remote name or null
+	 * @since 4.11
+	 */
+	protected String getRemoteName() {
+		return remoteName;
+	}
+
+	/**
+	 * Set remote location
+	 *
+	 * @param location
+	 *            a remote location
+	 */
+	public void setRemoteLocation(String location) {
+		remoteLocation = location;
+	}
+
+	/**
+	 * Sets whether the push is a dry run.
+	 *
+	 * @param dryRun
+	 *            {@code true} if the push is a dry run, {@code false} otherwise
+	 * @since 6.2
+	 */
+	public void setDryRun(boolean dryRun) {
+		this.dryRun = dryRun;
+	}
+
+	/**
+	 * Tells whether the push is a dry run.
+	 *
+	 * @return {@code true} if the push is a dry run, {@code false} otherwise
+	 * @since 6.2
+	 */
+	protected boolean isDryRun() {
+		return dryRun;
+	}
+
+	/**
+	 * Set Refs
+	 *
+	 * @param toRefs
+	 *            a collection of {@code RemoteRefUpdate}s
+	 */
+	public void setRefs(Collection<RemoteRefUpdate> toRefs) {
+		StringBuilder b = new StringBuilder();
+		for (RemoteRefUpdate u : toRefs) {
+			b.append(u.getSrcRef());
+			b.append(" "); //$NON-NLS-1$
+			b.append(u.getNewObjectId().getName());
+			b.append(" "); //$NON-NLS-1$
+			b.append(u.getRemoteName());
+			b.append(" "); //$NON-NLS-1$
+			ObjectId ooid = u.getExpectedOldObjectId();
+			b.append((ooid == null) ? ObjectId.zeroId().getName() : ooid
+					.getName());
+			b.append("\n"); //$NON-NLS-1$
+		}
+		refs = b.toString();
+	}
+}