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1 | # archival.py - revision archival for mercurial |
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1 | # archival.py - revision archival for mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
|
3 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of |
|
5 | # This software may be used and distributed according to the terms of | |
6 | # the GNU General Public License, incorporated herein by reference. |
|
6 | # the GNU General Public License, incorporated herein by reference. | |
7 |
|
7 | |||
8 | from demandload import * |
|
8 | from demandload import * | |
9 | from i18n import gettext as _ |
|
9 | from i18n import gettext as _ | |
10 | from node import * |
|
10 | from node import * | |
11 | demandload(globals(), 'cStringIO os stat tarfile time util zipfile') |
|
11 | demandload(globals(), 'cStringIO os stat tarfile time util zipfile') | |
12 |
|
12 | |||
13 | def tidyprefix(dest, prefix, suffixes): |
|
13 | def tidyprefix(dest, prefix, suffixes): | |
14 | '''choose prefix to use for names in archive. make sure prefix is |
|
14 | '''choose prefix to use for names in archive. make sure prefix is | |
15 | safe for consumers.''' |
|
15 | safe for consumers.''' | |
16 |
|
16 | |||
17 | if prefix: |
|
17 | if prefix: | |
18 | prefix = prefix.replace('\\', '/') |
|
18 | prefix = prefix.replace('\\', '/') | |
19 | else: |
|
19 | else: | |
20 | if not isinstance(dest, str): |
|
20 | if not isinstance(dest, str): | |
21 | raise ValueError('dest must be string if no prefix') |
|
21 | raise ValueError('dest must be string if no prefix') | |
22 | prefix = os.path.basename(dest) |
|
22 | prefix = os.path.basename(dest) | |
23 | lower = prefix.lower() |
|
23 | lower = prefix.lower() | |
24 | for sfx in suffixes: |
|
24 | for sfx in suffixes: | |
25 | if lower.endswith(sfx): |
|
25 | if lower.endswith(sfx): | |
26 | prefix = prefix[:-len(sfx)] |
|
26 | prefix = prefix[:-len(sfx)] | |
27 | break |
|
27 | break | |
28 | lpfx = os.path.normpath(util.localpath(prefix)) |
|
28 | lpfx = os.path.normpath(util.localpath(prefix)) | |
29 | prefix = util.pconvert(lpfx) |
|
29 | prefix = util.pconvert(lpfx) | |
30 | if not prefix.endswith('/'): |
|
30 | if not prefix.endswith('/'): | |
31 | prefix += '/' |
|
31 | prefix += '/' | |
32 | if prefix.startswith('../') or os.path.isabs(lpfx) or '/../' in prefix: |
|
32 | if prefix.startswith('../') or os.path.isabs(lpfx) or '/../' in prefix: | |
33 | raise util.Abort(_('archive prefix contains illegal components')) |
|
33 | raise util.Abort(_('archive prefix contains illegal components')) | |
34 | return prefix |
|
34 | return prefix | |
35 |
|
35 | |||
36 | class tarit: |
|
36 | class tarit: | |
37 | '''write archive to tar file or stream. can write uncompressed, |
|
37 | '''write archive to tar file or stream. can write uncompressed, | |
38 | or compress with gzip or bzip2.''' |
|
38 | or compress with gzip or bzip2.''' | |
39 |
|
39 | |||
40 | def __init__(self, dest, prefix, kind=''): |
|
40 | def __init__(self, dest, prefix, mtime, kind=''): | |
41 | self.prefix = tidyprefix(dest, prefix, ['.tar', '.tar.bz2', '.tar.gz', |
|
41 | self.prefix = tidyprefix(dest, prefix, ['.tar', '.tar.bz2', '.tar.gz', | |
42 | '.tgz', 'tbz2']) |
|
42 | '.tgz', 'tbz2']) | |
43 |
self.mtime = |
|
43 | self.mtime = mtime | |
44 | if isinstance(dest, str): |
|
44 | if isinstance(dest, str): | |
45 | self.z = tarfile.open(dest, mode='w:'+kind) |
|
45 | self.z = tarfile.open(dest, mode='w:'+kind) | |
46 | else: |
|
46 | else: | |
47 | self.z = tarfile.open(mode='w|'+kind, fileobj=dest) |
|
47 | self.z = tarfile.open(mode='w|'+kind, fileobj=dest) | |
48 |
|
48 | |||
49 | def addfile(self, name, mode, data): |
|
49 | def addfile(self, name, mode, data): | |
50 | i = tarfile.TarInfo(self.prefix + name) |
|
50 | i = tarfile.TarInfo(self.prefix + name) | |
51 | i.mtime = self.mtime |
|
51 | i.mtime = self.mtime | |
52 | i.size = len(data) |
|
52 | i.size = len(data) | |
53 | i.mode = mode |
|
53 | i.mode = mode | |
54 | self.z.addfile(i, cStringIO.StringIO(data)) |
|
54 | self.z.addfile(i, cStringIO.StringIO(data)) | |
55 |
|
55 | |||
56 | def done(self): |
|
56 | def done(self): | |
57 | self.z.close() |
|
57 | self.z.close() | |
58 |
|
58 | |||
59 | class tellable: |
|
59 | class tellable: | |
60 | '''provide tell method for zipfile.ZipFile when writing to http |
|
60 | '''provide tell method for zipfile.ZipFile when writing to http | |
61 | response file object.''' |
|
61 | response file object.''' | |
62 |
|
62 | |||
63 | def __init__(self, fp): |
|
63 | def __init__(self, fp): | |
64 | self.fp = fp |
|
64 | self.fp = fp | |
65 | self.offset = 0 |
|
65 | self.offset = 0 | |
66 |
|
66 | |||
67 | def __getattr__(self, key): |
|
67 | def __getattr__(self, key): | |
68 | return getattr(self.fp, key) |
|
68 | return getattr(self.fp, key) | |
69 |
|
69 | |||
70 | def write(self, s): |
|
70 | def write(self, s): | |
71 | self.fp.write(s) |
|
71 | self.fp.write(s) | |
72 | self.offset += len(s) |
|
72 | self.offset += len(s) | |
73 |
|
73 | |||
74 | def tell(self): |
|
74 | def tell(self): | |
75 | return self.offset |
|
75 | return self.offset | |
76 |
|
76 | |||
77 | class zipit: |
|
77 | class zipit: | |
78 | '''write archive to zip file or stream. can write uncompressed, |
|
78 | '''write archive to zip file or stream. can write uncompressed, | |
79 | or compressed with deflate.''' |
|
79 | or compressed with deflate.''' | |
80 |
|
80 | |||
81 | def __init__(self, dest, prefix, compress=True): |
|
81 | def __init__(self, dest, prefix, mtime, compress=True): | |
82 | self.prefix = tidyprefix(dest, prefix, ('.zip',)) |
|
82 | self.prefix = tidyprefix(dest, prefix, ('.zip',)) | |
83 | if not isinstance(dest, str): |
|
83 | if not isinstance(dest, str): | |
84 | try: |
|
84 | try: | |
85 | dest.tell() |
|
85 | dest.tell() | |
86 | except (AttributeError, IOError): |
|
86 | except (AttributeError, IOError): | |
87 | dest = tellable(dest) |
|
87 | dest = tellable(dest) | |
88 | self.z = zipfile.ZipFile(dest, 'w', |
|
88 | self.z = zipfile.ZipFile(dest, 'w', | |
89 | compress and zipfile.ZIP_DEFLATED or |
|
89 | compress and zipfile.ZIP_DEFLATED or | |
90 | zipfile.ZIP_STORED) |
|
90 | zipfile.ZIP_STORED) | |
91 |
self.date_time = time.gmtime( |
|
91 | self.date_time = time.gmtime(mtime)[:6] | |
92 |
|
92 | |||
93 | def addfile(self, name, mode, data): |
|
93 | def addfile(self, name, mode, data): | |
94 | i = zipfile.ZipInfo(self.prefix + name, self.date_time) |
|
94 | i = zipfile.ZipInfo(self.prefix + name, self.date_time) | |
95 | i.compress_type = self.z.compression |
|
95 | i.compress_type = self.z.compression | |
96 | i.flag_bits = 0x08 |
|
96 | i.flag_bits = 0x08 | |
97 | # unzip will not honor unix file modes unless file creator is |
|
97 | # unzip will not honor unix file modes unless file creator is | |
98 | # set to unix (id 3). |
|
98 | # set to unix (id 3). | |
99 | i.create_system = 3 |
|
99 | i.create_system = 3 | |
100 | i.external_attr = (mode | stat.S_IFREG) << 16L |
|
100 | i.external_attr = (mode | stat.S_IFREG) << 16L | |
101 | self.z.writestr(i, data) |
|
101 | self.z.writestr(i, data) | |
102 |
|
102 | |||
103 | def done(self): |
|
103 | def done(self): | |
104 | self.z.close() |
|
104 | self.z.close() | |
105 |
|
105 | |||
106 | class fileit: |
|
106 | class fileit: | |
107 | '''write archive as files in directory.''' |
|
107 | '''write archive as files in directory.''' | |
108 |
|
108 | |||
109 | def __init__(self, name, prefix): |
|
109 | def __init__(self, name, prefix, mtime): | |
110 | if prefix: |
|
110 | if prefix: | |
111 | raise util.Abort(_('cannot give prefix when archiving to files')) |
|
111 | raise util.Abort(_('cannot give prefix when archiving to files')) | |
112 | self.basedir = name |
|
112 | self.basedir = name | |
113 | self.dirs = {} |
|
113 | self.dirs = {} | |
114 | self.oflags = (os.O_CREAT | os.O_EXCL | os.O_WRONLY | |
|
114 | self.oflags = (os.O_CREAT | os.O_EXCL | os.O_WRONLY | | |
115 | getattr(os, 'O_BINARY', 0) | |
|
115 | getattr(os, 'O_BINARY', 0) | | |
116 | getattr(os, 'O_NOFOLLOW', 0)) |
|
116 | getattr(os, 'O_NOFOLLOW', 0)) | |
117 |
|
117 | |||
118 | def addfile(self, name, mode, data): |
|
118 | def addfile(self, name, mode, data): | |
119 | destfile = os.path.join(self.basedir, name) |
|
119 | destfile = os.path.join(self.basedir, name) | |
120 | destdir = os.path.dirname(destfile) |
|
120 | destdir = os.path.dirname(destfile) | |
121 | if destdir not in self.dirs: |
|
121 | if destdir not in self.dirs: | |
122 | if not os.path.isdir(destdir): |
|
122 | if not os.path.isdir(destdir): | |
123 | os.makedirs(destdir) |
|
123 | os.makedirs(destdir) | |
124 | self.dirs[destdir] = 1 |
|
124 | self.dirs[destdir] = 1 | |
125 | os.fdopen(os.open(destfile, self.oflags, mode), 'wb').write(data) |
|
125 | os.fdopen(os.open(destfile, self.oflags, mode), 'wb').write(data) | |
126 |
|
126 | |||
127 | def done(self): |
|
127 | def done(self): | |
128 | pass |
|
128 | pass | |
129 |
|
129 | |||
130 | archivers = { |
|
130 | archivers = { | |
131 | 'files': fileit, |
|
131 | 'files': fileit, | |
132 | 'tar': tarit, |
|
132 | 'tar': tarit, | |
133 | 'tbz2': lambda name, prefix: tarit(name, prefix, 'bz2'), |
|
133 | 'tbz2': lambda name, prefix, mtime: tarit(name, prefix, mtime, 'bz2'), | |
134 | 'tgz': lambda name, prefix: tarit(name, prefix, 'gz'), |
|
134 | 'tgz': lambda name, prefix, mtime: tarit(name, prefix, mtime, 'gz'), | |
135 | 'uzip': lambda name, prefix: zipit(name, prefix, False), |
|
135 | 'uzip': lambda name, prefix, mtime: zipit(name, prefix, mtime, False), | |
136 | 'zip': zipit, |
|
136 | 'zip': zipit, | |
137 | } |
|
137 | } | |
138 |
|
138 | |||
139 | def archive(repo, dest, node, kind, decode=True, matchfn=None, |
|
139 | def archive(repo, dest, node, kind, decode=True, matchfn=None, | |
140 | prefix=None): |
|
140 | prefix=None, mtime=None): | |
141 | '''create archive of repo as it was at node. |
|
141 | '''create archive of repo as it was at node. | |
142 |
|
142 | |||
143 | dest can be name of directory, name of archive file, or file |
|
143 | dest can be name of directory, name of archive file, or file | |
144 | object to write archive to. |
|
144 | object to write archive to. | |
145 |
|
145 | |||
146 | kind is type of archive to create. |
|
146 | kind is type of archive to create. | |
147 |
|
147 | |||
148 | decode tells whether to put files through decode filters from |
|
148 | decode tells whether to put files through decode filters from | |
149 | hgrc. |
|
149 | hgrc. | |
150 |
|
150 | |||
151 | matchfn is function to filter names of files to write to archive. |
|
151 | matchfn is function to filter names of files to write to archive. | |
152 |
|
152 | |||
153 | prefix is name of path to put before every archive member.''' |
|
153 | prefix is name of path to put before every archive member.''' | |
154 |
|
154 | |||
155 | def write(name, mode, data): |
|
155 | def write(name, mode, data): | |
156 | if matchfn and not matchfn(name): return |
|
156 | if matchfn and not matchfn(name): return | |
157 | if decode: |
|
157 | if decode: | |
158 | fp = cStringIO.StringIO() |
|
158 | fp = cStringIO.StringIO() | |
159 | repo.wwrite(name, data, fp) |
|
159 | repo.wwrite(name, data, fp) | |
160 | data = fp.getvalue() |
|
160 | data = fp.getvalue() | |
161 | archiver.addfile(name, mode, data) |
|
161 | archiver.addfile(name, mode, data) | |
162 |
|
162 | |||
163 | archiver = archivers[kind](dest, prefix) |
|
163 | change = repo.changelog.read(node) | |
164 |
mn = |
|
164 | mn = change[0] | |
|
165 | archiver = archivers[kind](dest, prefix, mtime or change[2][0]) | |||
165 | mf = repo.manifest.read(mn).items() |
|
166 | mf = repo.manifest.read(mn).items() | |
166 | mff = repo.manifest.readflags(mn) |
|
167 | mff = repo.manifest.readflags(mn) | |
167 | mf.sort() |
|
168 | mf.sort() | |
168 | write('.hg_archival.txt', 0644, |
|
169 | write('.hg_archival.txt', 0644, | |
169 | 'repo: %s\nnode: %s\n' % (hex(repo.changelog.node(0)), hex(node))) |
|
170 | 'repo: %s\nnode: %s\n' % (hex(repo.changelog.node(0)), hex(node))) | |
170 | for filename, filenode in mf: |
|
171 | for filename, filenode in mf: | |
171 | write(filename, mff[filename] and 0755 or 0644, |
|
172 | write(filename, mff[filename] and 0755 or 0644, | |
172 | repo.file(filename).read(filenode)) |
|
173 | repo.file(filename).read(filenode)) | |
173 | archiver.done() |
|
174 | archiver.done() |
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