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comparison src/org/tmatesoft/hg/repo/HgRemoteRepository.java @ 202:706bcc7cfee4

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Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 26 Apr 2011 02:50:06 +0200
parents 9b99d27aeddc
children 66fd2c73c56f
comparison
equal deleted inserted replaced
201:a736f42ed75b 202:706bcc7cfee4
301 throw new HgException(ex); 301 throw new HgException(ex);
302 } 302 }
303 } 303 }
304 304
305 /* 305 /*
306 * XXX need to describe behavior when roots arg is empty; our RepositoryComparator code currently returns empty lists when
307 * no common elements found, which in turn means we need to query changes starting with NULL nodeid.
308 *
306 * WireProtocol wiki: roots = a list of the latest nodes on every service side changeset branch that both the client and server know about. 309 * WireProtocol wiki: roots = a list of the latest nodes on every service side changeset branch that both the client and server know about.
307 * 310 *
308 * Perhaps, shall be named 'changegroup' 311 * Perhaps, shall be named 'changegroup'
309 312
310 * Changegroup: 313 * Changegroup:
314 * according to latter, bundleformat data is sent through zlib 317 * according to latter, bundleformat data is sent through zlib
315 * (there's no header like HG10?? with the server output, though, 318 * (there's no header like HG10?? with the server output, though,
316 * as one may expect according to http://mercurial.selenic.com/wiki/BundleFormat) 319 * as one may expect according to http://mercurial.selenic.com/wiki/BundleFormat)
317 */ 320 */
318 public HgBundle getChanges(List<Nodeid> roots) throws HgException { 321 public HgBundle getChanges(List<Nodeid> roots) throws HgException {
319 StringBuilder sb = new StringBuilder(20 + roots.size() * 41); 322 List<Nodeid> _roots = roots.isEmpty() ? Collections.singletonList(Nodeid.NULL) : roots;
323 StringBuilder sb = new StringBuilder(20 + _roots.size() * 41);
320 sb.append("roots="); 324 sb.append("roots=");
321 for (Nodeid n : roots) { 325 for (Nodeid n : _roots) {
322 sb.append(n.toString()); 326 sb.append(n.toString());
323 sb.append('+'); 327 sb.append('+');
324 } 328 }
325 if (sb.charAt(sb.length() - 1) == '+') { 329 if (sb.charAt(sb.length() - 1) == '+') {
326 // strip last space 330 // strip last space