aboutsummaryrefslogtreecommitdiff
path: root/paludis/syncer.cc
blob: 70f613aa0c9ed4877c94656aa22250231b14a11b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
 * Copyright (c) 2006 Stephen Klimaszewski <steev@gentoo.org>
 *
 * This file is part of the Paludis package manager. Paludis is free software;
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License version 2, as published by the Free Software Foundation.
 *
 * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "syncer.hh"
#include <paludis/util/fs_entry.hh>
#include <paludis/util/system.hh>

/** \file
 * Implementation for Syncer classes.
 *
 * \ingroup grpsyncer
 */

using namespace paludis;

#include <paludis/syncer-sr.cc>

NoSuchSyncerError::NoSuchSyncerError(const std::string & format) throw () :
    SyncFailedError("No such syncer for format '" + format + "'")
{
}

namespace
{
    /**
     * A Syncer for rsync:// syncing.
     *
     * \ingroup grpsyncer
     */
    class RsyncSyncer :
        public Syncer
    {
        private:
            std::string _local;
            std::string _remote;

        protected:
            RsyncSyncer(const std::string & local, const std::string & remote) :
                _local(local),
                _remote(remote)
            {
                if ((0 == _remote.compare(0, 4, "file", 0, 4)))
                    _remote.erase(0, 7);
            }

        public:
            virtual void sync(const SyncOptions &) const;

            static Syncer::Pointer make(const std::string & local, const std::string & remote)
            {
                return Syncer::Pointer(new RsyncSyncer(local, remote));
            }
    };

    /**
     * A Syncer for svn:// (subversion) syncing.
     *
     * \ingroup grpsyncer
     */
    class SvnSyncer :
        public Syncer
    {
        private:
            std::string _local;
            std::string _remote;

        protected:
            SvnSyncer(const std::string & local, const std::string & remote) :
                _local(local),
                _remote(remote)
            {
                if ((0 == _remote.compare(0, 8, "svn+http", 0, 8)) || (0 == _remote.compare(0, 9, "svn+https", 0, 9)))
                    _remote.erase(0, 4);
            }

        public:
            virtual void sync(const SyncOptions &) const;
            static Syncer::Pointer make(const std::string & local, const std::string & remote)
            {
                return Syncer::Pointer(new SvnSyncer(local, remote));
            }
    };

    /**
     * A Syncer for Git syncing.
     *
     * \ingroup grpsyncer
     */
    class GitSyncer :
        public Syncer
    {
        private:
            std::string _local;
            std::string _remote;

        protected:
            GitSyncer(const std::string & local, const std::string & remote) :
                _local(local),
                _remote(remote)
            {
                if (0 == _remote.compare(0, 8, "git+http", 0, 8))
                    _remote.erase(0, 4);
            }

        public:
            virtual void sync(const SyncOptions &) const;
            static Syncer::Pointer make(const std::string & local, const std::string & remote)
            {
                return Syncer::Pointer(new GitSyncer(local, remote));
            }
    };

    /**
     * A Syncer for cvs+ext://, cvs+pserver:// (CVS) syncing.
     *
     * \ingroup grpsyncer
     */
    class CvsSyncer :
        public Syncer
    {
        private:
            std::string _local;
            std::string _remote;
            std::string _module;

            bool _pserver;

        protected:
            CvsSyncer(const std::string & local, const std::string & remote) :
                _local(local),
                _remote(remote),
                _pserver(false)
            {
                if (0 == _remote.compare(0, 11, "cvs+pserver", 0, 11))
                {
                    _remote = ":pserver:" + _remote.erase(0, 14);
                    _pserver = true;
                }
                else if ((0 == _remote.compare(0, 7, "cvs+ssh", 0, 7)) || (0 == _remote.compare(0, 7, "cvs+ext", 0, 7)))
                {
                    _remote = ":ext:" + _remote.erase(0, 10);
                }

                std::string::size_type pos(_remote.find_last_of(":"));

                if (std::string::npos == pos)
                    throw SyncCvsUrlInvalid(_remote);

                _module = std::string(_remote, pos + 1);
                _remote.erase(pos);
            }

        public:
            virtual void sync(const SyncOptions &) const;
            static Syncer::Pointer make(const std::string & local, const std::string & remote)
            {
                return Syncer::Pointer(new CvsSyncer(local, remote));
            }
    };
}

void
RsyncSyncer::sync(const SyncOptions & opts) const
{
    Context context("When performing sync via rsync from '" + _remote + "' to '"
            + _local + "':");

    FSEntry(_local).mkdir();

    std::string exclude;
    if (! opts.exclude_from.empty())
        exclude = "--exclude-from " + opts.exclude_from + " ";

    std::string cmd("rsync --recursive --links --safe-links --perms --times "
            "--compress --force --whole-file --delete --delete-after --stats "
            "--timeout=180 --exclude=/distfiles --exclude=/packages "
            "--exclude=/local --exclude=/.cache --progress " + exclude + "'" + _remote + 
            "' '" + _local + "/'");

    if (0 != run_command(cmd))
        throw SyncFailedError(_local, _remote);
}

void
SvnSyncer::sync(const SyncOptions &) const
{
    Context context("When performing sync via subversion from '" + _remote + "' to '"
            + _local + "':");

    std::string cmd("svn checkout '" + _remote + "' '" + _local + "/'");

    if (0 != run_command(cmd))
        throw SyncFailedError(_local, _remote);
}

void
GitSyncer::sync(const SyncOptions &) const
{
    Context context("When performing sync via git from '" + _remote + "' to '"
            + _local + "':");

    FSEntry git_dir(_local + "/.git");
    FSEntry repo_dir(_local);
    int status;

    if (repo_dir.is_directory() && ! git_dir.is_directory())
        throw SyncGitDirectoryExists(_local);

    if (git_dir.is_directory())
        status = run_command_in_directory("git pull", repo_dir);
    else
        status = run_command("git clone '"+ _remote + "' '" + _local + "'");

    if (0 != status)
        throw SyncFailedError(_local, _remote);
}

void
CvsSyncer::sync(const SyncOptions &) const
{
    Context context("When performing sync via CVS from '" + _remote + "' to '"
            + _local + "':");

    std::string cmd("cvs -d '" + _remote + "' login");
    FSEntry d(FSEntry(_local).dirname());

    if (_pserver)
    {
        if (0 != run_command_in_directory(cmd, d))
            throw SyncFailedError(_local, _remote + ":" + _module);
    }

    cmd = std::string("cvs -d '" + _remote + "' checkout '" + _module + "'");
    if (0 != run_command_in_directory(cmd, d))
        throw SyncFailedError(_local, _remote + ":" + _module);
}

SyncFailedError::SyncFailedError(const std::string & local, const std::string & remote) throw () :
    PackageActionError("sync of '" + local + "' from '" + remote + "' failed")
{
}

SyncFailedError::SyncFailedError(const std::string & msg) throw () :
    PackageActionError(msg)
{
}

SyncGitDirectoryExists::SyncGitDirectoryExists(const std::string & local) throw () :
    SyncFailedError("'" + local + "' exists but it is not a Git repository")
{
}

SyncCvsUrlInvalid::SyncCvsUrlInvalid(const std::string & url) throw () :
    SyncFailedError("'" + url + "' is not a valid URL for a CVS repository")
{
}

SyncerMaker::SyncerMaker()
{
    register_maker("rsync",  &RsyncSyncer::make);
    register_maker("file", &RsyncSyncer::make);
    register_maker("svn", &SvnSyncer::make);
    register_maker("svn+ssh", &SvnSyncer::make);
    register_maker("svn+http", &SvnSyncer::make);
    register_maker("svn+https", &SvnSyncer::make);
    register_maker("git", &GitSyncer::make);
    register_maker("git+ssh", &GitSyncer::make);
    register_maker("git+http", &GitSyncer::make);
    register_maker("cvs+ext", &CvsSyncer::make);
    register_maker("cvs+ssh", &CvsSyncer::make);
    register_maker("cvs+pserver", &CvsSyncer::make);
}