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19 package org.apache.maven.scm.provider.hg.command.diff;
20
21 import org.apache.commons.lang3.StringUtils;
22 import org.apache.maven.scm.ScmException;
23 import org.apache.maven.scm.ScmFileSet;
24 import org.apache.maven.scm.ScmResult;
25 import org.apache.maven.scm.ScmVersion;
26 import org.apache.maven.scm.command.Command;
27 import org.apache.maven.scm.command.diff.AbstractDiffCommand;
28 import org.apache.maven.scm.command.diff.DiffScmResult;
29 import org.apache.maven.scm.provider.ScmProviderRepository;
30 import org.apache.maven.scm.provider.hg.HgUtils;
31 import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
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37 public class HgDiffCommand extends AbstractDiffCommand implements Command {
38
39 protected DiffScmResult executeDiffCommand(
40 ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion startRevision, ScmVersion endRevision)
41 throws ScmException {
42 String[] diffCmd;
43 if (startRevision != null && !StringUtils.isEmpty(startRevision.getName())) {
44 String revArg = startRevision.getName();
45 if (endRevision != null && !StringUtils.isEmpty(endRevision.getName())) {
46 revArg += ".." + endRevision;
47 }
48 diffCmd = new String[] {HgCommandConstants.DIFF_CMD, HgCommandConstants.REVISION_OPTION, revArg};
49 } else {
50 diffCmd = new String[] {HgCommandConstants.DIFF_CMD};
51 }
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53 diffCmd = HgUtils.expandCommandLine(diffCmd, fileSet);
54 HgDiffConsumer consumer = new HgDiffConsumer(fileSet.getBasedir());
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56 ScmResult result = HgUtils.execute(consumer, fileSet.getBasedir(), diffCmd);
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58 return new DiffScmResult(consumer.getChangedFiles(), consumer.getDifferences(), consumer.getPatch(), result);
59 }
60 }