Mercurial > hg4j

comparison src/org/tmatesoft/hg/repo/HgWorkingCopyStatusCollector.java @ 157:d5268ca7715b

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Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 09 Mar 2011 05:22:17 +0100
parents 1a7a9a20e1f9
children 42fe9a94b9d0
comparison
equal deleted inserted replaced
156:643ddec3be36 157:d5268ca7715b
28 import java.nio.channels.FileChannel; 28 import java.nio.channels.FileChannel;
29 import java.util.Collections; 29 import java.util.Collections;
30 import java.util.Set; 30 import java.util.Set;
31 import java.util.TreeSet; 31 import java.util.TreeSet;
32 32
33 import org.tmatesoft.hg.core.HgDataStreamException;
34 import org.tmatesoft.hg.core.HgException;
33 import org.tmatesoft.hg.core.Nodeid; 35 import org.tmatesoft.hg.core.Nodeid;
36 import org.tmatesoft.hg.internal.ByteArrayChannel;
34 import org.tmatesoft.hg.internal.FilterByteChannel; 37 import org.tmatesoft.hg.internal.FilterByteChannel;
35 import org.tmatesoft.hg.repo.HgStatusCollector.ManifestRevisionInspector; 38 import org.tmatesoft.hg.repo.HgStatusCollector.ManifestRevisionInspector;
36 import org.tmatesoft.hg.util.ByteChannel; 39 import org.tmatesoft.hg.util.ByteChannel;
40 import org.tmatesoft.hg.util.CancelledException;
37 import org.tmatesoft.hg.util.FileIterator; 41 import org.tmatesoft.hg.util.FileIterator;
38 import org.tmatesoft.hg.util.Path; 42 import org.tmatesoft.hg.util.Path;
39 import org.tmatesoft.hg.util.PathPool; 43 import org.tmatesoft.hg.util.PathPool;
40 import org.tmatesoft.hg.util.PathRewrite; 44 import org.tmatesoft.hg.util.PathRewrite;
41 45
174 if (f.lastModified() / 1000 == r.time && r.size == f.length()) { 178 if (f.lastModified() / 1000 == r.time && r.size == f.length()) {
175 inspector.clean(getPathPool().path(fname)); 179 inspector.clean(getPathPool().path(fname));
176 } else { 180 } else {
177 // check actual content to avoid false modified files 181 // check actual content to avoid false modified files
178 HgDataFile df = repo.getFileNode(fname); 182 HgDataFile df = repo.getFileNode(fname);
179 if (!areTheSame(f, df.content(), df.getPath())) { 183 if (!areTheSame(f, df, HgRepository.TIP)) {
180 inspector.modified(df.getPath()); 184 inspector.modified(df.getPath());
181 } 185 }
182 } 186 }
183 } else if ((r = getDirstate().checkAdded(fname)) != null) { 187 } else if ((r = getDirstate().checkAdded(fname)) != null) {
184 if (r.name2 == null) { 188 if (r.name2 == null) {
202 if (nid1 == null) { 206 if (nid1 == null) {
203 // normal: added? 207 // normal: added?
204 // added: not known at the time of baseRevision, shall report 208 // added: not known at the time of baseRevision, shall report
205 // merged: was not known, report as added? 209 // merged: was not known, report as added?
206 if ((r = getDirstate().checkNormal(fname)) != null) { 210 if ((r = getDirstate().checkNormal(fname)) != null) {
207 Path origin = HgStatusCollector.getOriginIfCopy(repo, fname, baseRevNames, baseRevision); 211 try {
208 if (origin != null) { 212 Path origin = HgStatusCollector.getOriginIfCopy(repo, fname, baseRevNames, baseRevision);
209 inspector.copied(getPathPool().path(origin), getPathPool().path(fname)); 213 if (origin != null) {
210 return; 214 inspector.copied(getPathPool().path(origin), getPathPool().path(fname));
215 return;
216 }
217 } catch (HgDataStreamException ex) {
218 ex.printStackTrace();
219 // FIXME report to a mediator, continue status collection
211 } 220 }
212 } else if ((r = getDirstate().checkAdded(fname)) != null) { 221 } else if ((r = getDirstate().checkAdded(fname)) != null) {
213 if (r.name2 != null && baseRevNames.contains(r.name2)) { 222 if (r.name2 != null && baseRevNames.contains(r.name2)) {
214 baseRevNames.remove(r.name2); // XXX surely I shall not report rename source as Removed? 223 baseRevNames.remove(r.name2); // XXX surely I shall not report rename source as Removed?
215 inspector.copied(getPathPool().path(r.name2), getPathPool().path(fname)); 224 inspector.copied(getPathPool().path(r.name2), getPathPool().path(fname));
230 final int lengthAtRevision = fileNode.length(nid1); 239 final int lengthAtRevision = fileNode.length(nid1);
231 if (r.size /* XXX File.length() ?! */ != lengthAtRevision || flags != todoGenerateFlags(fname /*java.io.File*/)) { 240 if (r.size /* XXX File.length() ?! */ != lengthAtRevision || flags != todoGenerateFlags(fname /*java.io.File*/)) {
232 inspector.modified(getPathPool().path(fname)); 241 inspector.modified(getPathPool().path(fname));
233 } else { 242 } else {
234 // check actual content to see actual changes 243 // check actual content to see actual changes
235 // XXX consider adding HgDataDile.compare(File/byte[]/whatever) operation to optimize comparison 244 if (areTheSame(f, fileNode, fileNode.getLocalRevision(nid1))) {
236 if (areTheSame(f, fileNode.content(nid1), fileNode.getPath())) {
237 inspector.clean(getPathPool().path(fname)); 245 inspector.clean(getPathPool().path(fname));
238 } else { 246 } else {
239 inspector.modified(getPathPool().path(fname)); 247 inspector.modified(getPathPool().path(fname));
240 } 248 }
241 } 249 }
249 // changeset nodeid + hash(actual content) => entry (Nodeid) in the next Manifest 257 // changeset nodeid + hash(actual content) => entry (Nodeid) in the next Manifest
250 // then it's sufficient to check parents from dirstate, and if they do not match parents from file's baseRevision (non matching parents means different nodeids). 258 // then it's sufficient to check parents from dirstate, and if they do not match parents from file's baseRevision (non matching parents means different nodeids).
251 // The question is whether original Hg treats this case (same content, different parents and hence nodeids) as 'modified' or 'clean' 259 // The question is whether original Hg treats this case (same content, different parents and hence nodeids) as 'modified' or 'clean'
252 } 260 }
253 261
262 private boolean areTheSame(File f, HgDataFile dataFile, int localRevision) {
263 // XXX consider adding HgDataDile.compare(File/byte[]/whatever) operation to optimize comparison
264 ByteArrayChannel bac = new ByteArrayChannel();
265 boolean ioFailed = false;
266 try {
267 // need content with metadata striped off - although theoretically chances are metadata may be different,
268 // WC doesn't have it anyway
269 dataFile.content(localRevision, bac);
270 } catch (CancelledException ex) {
271 // silently ignore - can't happen, ByteArrayChannel is not cancellable
272 } catch (IOException ex) {
273 ioFailed = true;
274 } catch (HgException ex) {
275 ioFailed = true;
276 }
277 return !ioFailed && areTheSame(f, bac.toArray(), dataFile.getPath());
278 }
279
254 private boolean areTheSame(File f, final byte[] data, Path p) { 280 private boolean areTheSame(File f, final byte[] data, Path p) {
255 FileInputStream fis = null; 281 FileInputStream fis = null;
256 try { 282 try {
257 try { 283 try {
258 fis = new FileInputStream(f); 284 fis = new FileInputStream(f);