Browse Source
Read options that control squashing, whether or not to commit the merge and regarding fast forwarding from the configuration and use them if no explicit values for these options have been provided to MergeCommand. Change-Id: Ifdaed4b5e4adc142657c03c8e78b709a99eeddbd Signed-off-by: Konrad Kügler <swamblumat-eclipsebugs@yahoo.de> Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>stable-3.3
Konrad Kügler
11 years ago
committed by
Matthias Sohn
3 changed files with 259 additions and 6 deletions
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/******************************************************************************* |
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* Copyright (c) 2014 Konrad Kügler |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*******************************************************************************/ |
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package org.eclipse.jgit.merge; |
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import java.io.IOException; |
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import org.eclipse.jgit.api.MergeCommand.FastForwardMode; |
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import org.eclipse.jgit.lib.Config; |
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import org.eclipse.jgit.lib.ConfigConstants; |
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import org.eclipse.jgit.lib.Config.SectionParser; |
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import org.eclipse.jgit.lib.Repository; |
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/** |
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* Holds configuration for merging into a given branch |
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* |
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* @since 3.3 |
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*/ |
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public class MergeConfig { |
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/** |
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* @param repo |
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* @return merge configuration for the current branch of the repository |
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*/ |
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public static MergeConfig getConfigForCurrentBranch(Repository repo) { |
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try { |
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String branch = repo.getBranch(); |
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if (branch != null) |
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return repo.getConfig().get(getParser(branch)); |
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} catch (IOException e) { |
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// ignore
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} |
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// use defaults if branch can't be determined
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return new MergeConfig(); |
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} |
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/** |
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* @param branch |
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* short branch name to get the configuration for, as returned |
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* e.g. by {@link Repository#getBranch()} |
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* @return a parser for use with {@link Config#get(SectionParser)} |
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*/ |
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public static final SectionParser<MergeConfig> getParser( |
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final String branch) { |
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return new MergeConfigSectionParser(branch); |
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} |
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private final FastForwardMode fastForwardMode; |
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private final boolean squash; |
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private final boolean commit; |
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private MergeConfig(String branch, Config config) { |
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String[] mergeOptions = getMergeOptions(branch, config); |
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fastForwardMode = getFastForwardMode(config, mergeOptions); |
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squash = isMergeConfigOptionSet("--squash", mergeOptions); //$NON-NLS-1$
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commit = !isMergeConfigOptionSet("--no-commit", mergeOptions); //$NON-NLS-1$
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} |
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private MergeConfig() { |
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fastForwardMode = FastForwardMode.FF; |
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squash = false; |
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commit = true; |
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} |
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/** |
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* @return the fast forward mode configured for this branch |
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*/ |
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public FastForwardMode getFastForwardMode() { |
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return fastForwardMode; |
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} |
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/** |
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* @return true if merges into this branch are configured to be squash |
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* merges, false otherwise |
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*/ |
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public boolean isSquash() { |
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return squash; |
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} |
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/** |
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* @return false if --no-commit is configured for this branch, true |
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* otherwise (event if --squash is configured) |
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*/ |
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public boolean isCommit() { |
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return commit; |
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} |
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private static FastForwardMode getFastForwardMode(Config config, |
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String[] mergeOptions) { |
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for (String option : mergeOptions) { |
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for (FastForwardMode mode : FastForwardMode.values()) |
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if (mode.matchConfigValue(option)) |
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return mode; |
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} |
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FastForwardMode ffmode = FastForwardMode.valueOf(config.getEnum( |
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ConfigConstants.CONFIG_KEY_MERGE, null, |
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ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.TRUE)); |
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return ffmode; |
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} |
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private static boolean isMergeConfigOptionSet(String optionToLookFor, |
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String[] mergeOptions) { |
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for (String option : mergeOptions) { |
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if (optionToLookFor.equals(option)) |
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return true; |
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} |
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return false; |
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} |
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private static String[] getMergeOptions(String branch, Config config) { |
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String mergeOptions = config.getString( |
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ConfigConstants.CONFIG_BRANCH_SECTION, branch, |
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ConfigConstants.CONFIG_KEY_MERGEOPTIONS); |
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if (mergeOptions != null) |
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return mergeOptions.split("\\s"); //$NON-NLS-1$
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else |
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return new String[0]; |
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} |
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private static class MergeConfigSectionParser implements |
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SectionParser<MergeConfig> { |
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private final String branch; |
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public MergeConfigSectionParser(String branch) { |
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this.branch = branch; |
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} |
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public MergeConfig parse(Config cfg) { |
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return new MergeConfig(branch, cfg); |
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} |
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@Override |
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public boolean equals(Object obj) { |
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if (obj instanceof MergeConfigSectionParser) |
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return branch.equals(((MergeConfigSectionParser) obj).branch); |
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else |
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return false; |
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} |
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@Override |
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public int hashCode() { |
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return branch.hashCode(); |
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} |
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} |
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} |
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