Mercurial > hg4j

annotate cmdline/org/tmatesoft/hg/console/Remote.java @ 336:f74e36b7344b

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Do not fail with HgBadStateException when there are no merge state
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 11 Nov 2011 05:56:09 +0100
parents 981f9f50bb6c
children e31e85cf4d4c
rev   line source
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.console;
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19 import java.io.File;
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20 import java.io.FileOutputStream;
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21 import java.io.IOException;
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22 import java.io.InputStream;
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23 import java.io.OutputStream;
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24 import java.net.HttpURLConnection;
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25 import java.net.URL;
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26 import java.security.cert.CertificateException;
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27 import java.security.cert.X509Certificate;
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28 import java.util.List;
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29 import java.util.Map;
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30 import java.util.prefs.Preferences;
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31 import java.util.zip.InflaterInputStream;
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33 import javax.net.ssl.HttpsURLConnection;
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34 import javax.net.ssl.SSLContext;
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35 import javax.net.ssl.TrustManager;
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36 import javax.net.ssl.X509TrustManager;
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38 import org.tmatesoft.hg.internal.ConfigFile;
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40 /**
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41 * WORK IN PROGRESS, DO NOT USE
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42 *
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43 * @author Artem Tikhomirov
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44 * @author TMate Software Ltd.
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45 */
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46 public class Remote {
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48 /*
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49 * @see http://mercurial.selenic.com/wiki/WireProtocol
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50 cmd=branches gives 4 nodeids (head, root, first parent, second parent) per line (few lines possible, per branch, perhaps?)
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51 cmd=capabilities gives lookup ...subset and 3 compress methods
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52 // lookup changegroupsubset unbundle=HG10GZ,HG10BZ,HG10UN
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53 cmd=heads gives space-separated list of nodeids (or just one)
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54 nodeids are in hex (printable) format, need to convert fromAscii()
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55 cmd=branchmap
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56 cmd=between needs argument pairs, with first element in the pair to be head(!), second to be root of the branch (
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57 i.e. (newer-older), not (older-newer) as one might expect. Returned list of nodes comes in reversed order (from newer
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58 to older) as well
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59
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60 cmd=branches&nodes=d6d2a630f4a6d670c90a5ca909150f2b426ec88f+
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61 head, root, first parent, second parent
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62 received: d6d2a630f4a6d670c90a5ca909150f2b426ec88f dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
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63
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64 Sequence, for actual state with merged/closed branch, where 157:d5268ca7715b8d96204fc62abc632e8f55761547 is merge revision of 156 and 53
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65 >branches, 170:71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d
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66 71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d d5268ca7715b8d96204fc62abc632e8f55761547 643ddec3be36246fc052cf22ece503fa60cafe22 a6f39e595b2b54f56304470269a936ead77f5725
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67
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68 >branches, 156:643ddec3be36246fc052cf22ece503fa60cafe22
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69 643ddec3be36246fc052cf22ece503fa60cafe22 ade65afe0906febafbf8a2e41002052e0e446471 08754fce5778a3409476ecdb3cec6b5172c34367 40d04c4f771ebbd599eb229145252732a596740a
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70 >branches, 53:a6f39e595b2b54f56304470269a936ead77f5725
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71 a6f39e595b2b54f56304470269a936ead77f5725 a6f39e595b2b54f56304470269a936ead77f5725 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 30bd389788464287cee22ccff54c330a4b715de5
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72
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73 >branches, 84:08754fce5778a3409476ecdb3cec6b5172c34367 (p1:82)
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74 08754fce5778a3409476ecdb3cec6b5172c34367 dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
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75 >branches, 83:40d04c4f771ebbd599eb229145252732a596740a (p1:80)
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76 40d04c4f771ebbd599eb229145252732a596740a dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
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77
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78 >branches, 51:9429c7bd1920fab164a9d2b621d38d57bcb49ae0 (wrap-data-access branch)
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79 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
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80 >branches, 52:30bd389788464287cee22ccff54c330a4b715de5 (p1:50)
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81 30bd389788464287cee22ccff54c330a4b715de5 dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
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84 cmd=between&pairs=71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d-d5268ca7715b8d96204fc62abc632e8f55761547+40d04c4f771ebbd599eb229145252732a596740a-dbd663faec1f0175619cf7668bddc6350548b8d6
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85 8c8e3f372fa1fbfcf92b004b6f2ada2dbaf60028 dd525ca65de8e78cb133919de57ea0a6e6454664 1d0654be1466d522994f8bead510e360fbeb8d79 c17a08095e4420202ac1b2d939ef6d5f8bebb569
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86 4222b04f34ee885bc1ad547c7ef330e18a51afc1 5f9635c016819b322ae05a91b3378621b538c933 c677e159391925a50b9a23f557426b2246bc9c5d 0d279bcc44427cb5ae2f3407c02f21187ccc8aea e21df6259f8374ac136767321e837c0c6dd21907 b01500fe2604c2c7eadf44349cce9f438484474b 865bf07f381ff7d1b742453568def92576af80b6
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87
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88 Between two subsequent revisions (i.e. direct child in remote of a local root)
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89 cmd=between&pairs=71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d-8c8e3f372fa1fbfcf92b004b6f2ada2dbaf60028
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90 empty result
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91 */
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92 public static void main(String[] args) throws Exception {
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93 ConfigFile cfg = new ConfigFile();
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94 cfg.addLocation(new File(System.getProperty("user.home"), ".hgrc"));
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95 String svnkitServer = cfg.getSection("paths").get("svnkit");
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96 // URL url = new URL(svnkitServer + "?cmd=branches&nodes=30bd389788464287cee22ccff54c330a4b715de5");
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97 // URL url = new URL(svnkitServer + "?cmd=between");
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98 URL url = new URL(svnkitServer + "?cmd=changegroup&roots=71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d");
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99 // URL url = new URL("http://localhost:8000/" + "?cmd=between");
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100 // URL url = new URL(svnkitServer + "?cmd=stream_out");
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101
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102 SSLContext sslContext = SSLContext.getInstance("SSL");
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103 class TrustEveryone implements X509TrustManager {
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104 public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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105 System.out.println("checkClientTrusted " + authType);
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106 }
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107 public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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108 System.out.println("checkServerTrusted" + authType);
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109 }
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110 public X509Certificate[] getAcceptedIssuers() {
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111 return new X509Certificate[0];
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112 }
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113 }
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114 // Hack to get Base64-encoded credentials
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115 Preferences tempNode = Preferences.userRoot().node("xxx");
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116 tempNode.putByteArray("xxx", url.getUserInfo().getBytes());
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117 String authInfo = tempNode.get("xxx", null);
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118 tempNode.removeNode();
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119 //
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120 sslContext.init(null, new TrustManager[] { new TrustEveryone() }, null);
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121 HttpsURLConnection urlConnection = (HttpsURLConnection) url.openConnection();
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122 // HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
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123 urlConnection.setRequestProperty("User-Agent", "jhg/0.1.0");
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124 urlConnection.setRequestProperty("Accept", "application/mercurial-0.1");
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125 urlConnection.setRequestProperty("Authorization", "Basic " + authInfo);
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126 urlConnection.setSSLSocketFactory(sslContext.getSocketFactory());
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127 // byte[] body = "pairs=f5aed108754e817d2ca374d1a4f6daf1218dcc91-9429c7bd1920fab164a9d2b621d38d57bcb49ae0".getBytes();
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128 // urlConnection.setRequestMethod("POST");
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129 // urlConnection.setRequestProperty("Content-Length", String.valueOf(body.length));
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130 // urlConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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131 // urlConnection.setDoOutput(true);
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132 // urlConnection.setDoInput(true);
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133 urlConnection.connect();
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134 // OutputStream os = urlConnection.getOutputStream();
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135 // os.write(body);
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136 // os.flush();
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137 // os.close();
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138 System.out.println("Query:" + url.getQuery());
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139 System.out.println("Response headers:");
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140 final Map<String, List<String>> headerFields = urlConnection.getHeaderFields();
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141 for (String s : headerFields.keySet()) {
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142 System.out.printf("%s: %s\n", s, urlConnection.getHeaderField(s));
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143 }
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144 System.out.printf("Content type is %s and its length is %d\n", urlConnection.getContentType(), urlConnection.getContentLength());
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145 InputStream is = urlConnection.getInputStream();
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146 //
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147 // dump(is, -1); // simple dump, any cmd
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148 writeBundle(is, false, "HG10GZ"); // cmd=changegroup
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149 //writeBundle(is, true, "" or "HG10UN");
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150 //
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151 urlConnection.disconnect();
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152 //
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153 }
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154
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155 private static void dump(InputStream is, int limit) throws IOException {
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156 int b;
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157 while ((b =is.read()) != -1) {
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158 System.out.print((char) b);
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159 if (limit != -1) {
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160 if (--limit < 0) {
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161 break;
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162 }
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163 }
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164 }
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165 System.out.println();
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166 }
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167
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168 private static void writeBundle(InputStream is, boolean decompress, String header) throws IOException {
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169 InputStream zipStream = decompress ? new InflaterInputStream(is) : is;
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170 File tf = File.createTempFile("hg-bundle-", null);
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171 FileOutputStream fos = new FileOutputStream(tf);
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172 fos.write(header.getBytes());
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173 int r;
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174 byte[] buf = new byte[8*1024];
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175 while ((r = zipStream.read(buf)) != -1) {
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176 fos.write(buf, 0, r);
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177 }
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178 fos.close();
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179 zipStream.close();
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180 System.out.println(tf);
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181 }
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182 }