aboutsummaryrefslogtreecommitdiffstats
path: root/build/scripts/vcs_info.py
blob: a3ad16d65810253e6e870d3bc7732149b47808bb (plain) (blame)
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
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
import base64
import json
import os
import re
import sys
import shutil
import tempfile
import textwrap
import zipfile


class _Formatting(object):
    @staticmethod
    def is_str(strval):
        return isinstance(strval, (bytes, str))

    @staticmethod
    def encoding_needed(strval):
        return isinstance(strval, str)

    @staticmethod
    def escape_special_symbols(strval):
        encoding_needed = _Formatting.encoding_needed(strval)
        c_str = strval.encode('utf-8') if encoding_needed else strval
        retval = b""
        for c in c_str:
            c = bytes([c])
            if c in (b"\\", b"\""):
                retval += b"\\" + c
            elif ord(c) < ord(' '):
                retval += c.decode('latin-1').encode('unicode_escape')
            else:
                retval += c
        return retval.decode('utf-8') if encoding_needed else retval

    @staticmethod
    def escape_line_feed(strval, indent='    '):
        return strval.replace(r'\n', '\\n"\\\n' + indent + '"')

    @staticmethod
    def escape_trigraphs(strval):
        return strval.replace(r'?', '\\?')

    @staticmethod
    def escaped_define(strkey, val):
        name = "#define " + strkey + " "
        if _Formatting.is_str(val):
            define = "\"" + _Formatting.escape_line_feed(
                _Formatting.escape_trigraphs(_Formatting.escape_special_symbols(val))) + "\""
        else:
            define = str(val)
        return name + define

    @staticmethod
    def escaped_go_map_key(strkey, strval):
        if _Formatting.is_str(strval):
            return '    ' + '"' + strkey + '": "' + _Formatting.escape_special_symbols(strval) + '",'
        else:
            return '    ' + '"' + strkey + '": "' + str(strval) + '",'


def get_default_json():
    return json.loads('''{
    "ARCADIA_SOURCE_HG_HASH": "0000000000000000000000000000000000000000",
    "ARCADIA_SOURCE_LAST_AUTHOR": "<UNKNOWN>",
    "ARCADIA_SOURCE_LAST_CHANGE": -1,
    "ARCADIA_SOURCE_PATH": "/",
    "ARCADIA_SOURCE_REVISION": -1,
    "ARCADIA_SOURCE_URL": "",
    "BRANCH": "unknown-vcs-branch",
    "BUILD_DATE": "",
    "BUILD_TIMESTAMP": 0,
    "BUILD_HOST": "localhost",
    "BUILD_USER": "nobody",
    "CUSTOM_VERSION": "",
    "PROGRAM_VERSION": "Arc info:\\n    Branch: unknown-vcs-branch\\n    Commit: 0000000000000000000000000000000000000000\\n    Author: <UNKNOWN>\\n    Summary: No VCS\\n\\n",
    "SCM_DATA": "Arc info:\\n    Branch: unknown-vcs-branch\\n    Commit: 0000000000000000000000000000000000000000\\n    Author: <UNKNOWN>\\n    Summary: No VCS\\n",
    "VCS": "arc",
    "ARCADIA_PATCH_NUMBER": 0,
    "ARCADIA_TAG": ""
}''')


def get_json(file_name):
    try:
        with open(file_name, 'r') as f:
            out = json.load(f)

        # TODO: check 'tar+svn' parsing
        for num_var in ['ARCADIA_SOURCE_REVISION', 'ARCADIA_SOURCE_LAST_CHANGE', 'SVN_REVISION']:
            if num_var in out and _Formatting.is_str(out[num_var]):
                try:
                    out[num_var] = int(out[num_var])
                except:
                    out[num_var] = -1
        return out
    except:
        return get_default_json()


def print_c(json_file, output_file, argv):
    """ params:
            json file
            output file
            $(SOURCE_ROOT)/build/scripts/c_templates/svn_interface.c"""
    interface = argv[0]

    with open(interface) as c:
        c_file = c.read()
    with open(output_file, 'w') as f:
        header = '\n'.join(_Formatting.escaped_define(k, v) for k, v in json_file.items())
        f.write(header + '\n' + c_file)


def merge_java_content(old_content, json_file):
    new_content, names = print_java_mf(json_file)

    def split_to_sections(content):
        sections = []
        cur_section = []
        for l in content:
            if l.rstrip():
                cur_section.append(l)
            else:
                sections.append(cur_section)
                cur_section = []

        if cur_section:  # should not be needed according to format specification
            sections.append(cur_section)

        return sections

    def drop_duplicate_entries(main_section, names):
        header = re.compile('^([A-Za-z0-9][A-Za-z0-9_-]*): .*$')
        new_main_section = []
        for l in main_section:
            match = header.match(l)
            # duplicate entry
            if match:
                skip = match.group(1) in names

            if not skip:
                new_main_section.append(l)
        return new_main_section

    if old_content:
        sections = split_to_sections(old_content)
        sections[0] = drop_duplicate_entries(sections[0], names)
    else:
        sections = [['Manifest-Version: 1.0\n']]

    sections[0].extend(map(lambda x: x + '\n', new_content))

    return ''.join(map(lambda x: ''.join(x), sections)) + '\n'


def merge_java_mf_jar(json_file, out_manifest, jar_file):
    try:
        temp_dir = tempfile.mkdtemp()
        try:
            with zipfile.ZipFile(jar_file, 'r') as jar:
                jar.extract(os.path.join('META-INF', 'MANIFEST.MF'), path=temp_dir)
        except KeyError:
            pass

        merge_java_mf_dir(json_file, out_manifest, temp_dir)
    finally:
        shutil.rmtree(temp_dir)


def merge_java_mf_dir(json_file, out_manifest, input_dir):
    manifest = os.path.join(input_dir, 'META-INF', 'MANIFEST.MF')

    old_lines = []
    if os.path.isfile(manifest):
        with open(manifest, 'r') as f:
            old_lines = f.readlines()

    with open(out_manifest, 'w') as f:
        f.write(merge_java_content(old_lines, json_file))


def merge_java_mf(json_file, out_manifest, input):
    if zipfile.is_zipfile(input):
        merge_java_mf_jar(json_file, out_manifest, input)
    elif os.path.isdir(input):
        merge_java_mf_dir(json_file, out_manifest, input)


def print_java_mf(info):
    wrapper = textwrap.TextWrapper(subsequent_indent=' ',
                                   break_long_words=True,
                                   replace_whitespace=False,
                                   drop_whitespace=False)
    names = set()

    def wrap(key, val):
        names.add(key[:-2])
        if not val:
            return []
        return wrapper.wrap(key + val)

    lines = wrap('Program-Version-String: ', base64.b64encode(info['PROGRAM_VERSION'].encode('utf-8')).decode('utf-8'))
    lines += wrap('SCM-String: ', base64.b64encode(info['SCM_DATA'].encode('utf-8')).decode('utf-8'))
    lines += wrap('Arcadia-Source-Path: ', info['ARCADIA_SOURCE_PATH'])
    lines += wrap('Arcadia-Source-URL: ', info['ARCADIA_SOURCE_URL'])
    lines += wrap('Arcadia-Source-Revision: ', str(info['ARCADIA_SOURCE_REVISION']))
    lines += wrap('Arcadia-Source-Hash: ', info['ARCADIA_SOURCE_HG_HASH'].rstrip())
    lines += wrap('Arcadia-Source-Last-Change: ', str(info['ARCADIA_SOURCE_LAST_CHANGE']))
    lines += wrap('Arcadia-Source-Last-Author: ', info['ARCADIA_SOURCE_LAST_AUTHOR'])
    lines += wrap('Build-User: ', info['BUILD_USER'])
    lines += wrap('Build-Host: ', info['BUILD_HOST'])
    lines += wrap('Version-Control-System: ', info['VCS'])
    lines += wrap('Branch: ', info['BRANCH'])
    lines += wrap('Arcadia-Tag: ', info.get('ARCADIA_TAG', ''))
    lines += wrap('Arcadia-Patch-Number: ', str(info.get('ARCADIA_PATCH_NUMBER', 42)))
    if 'SVN_REVISION' in info:
        lines += wrap('SVN-Revision: ', str(info['SVN_REVISION']))
        lines += wrap('SVN-Arcroot: ', info['SVN_ARCROOT'])
        lines += wrap('SVN-Time: ', info['SVN_TIME'])
    lines += wrap('Build-Date: ', info['BUILD_DATE'])
    if 'BUILD_TIMESTAMP' in info:
        lines += wrap('Build-Timestamp: ', str(info['BUILD_TIMESTAMP']))
    if 'CUSTOM_VERSION' in info:
        lines += wrap('Custom-Version-String: ', base64.b64encode(info['CUSTOM_VERSION'].encode('utf-8')).decode('utf-8'))
    return lines, names


def print_java(json_file, output_file, argv):
    """ params:
            json file
            output file
            file"""
    input = argv[0] if argv else os.curdir
    merge_java_mf(json_file, output_file, input)


def print_go(json_file, output_file):
    def gen_map(info):
        lines = []
        for k, v in info.items():
            lines.append(_Formatting.escaped_go_map_key(k, v))
        return lines

    with open(output_file, 'w') as f:
        f.write('\n'.join([
            'package main',
            'import ("a.yandex-team.ru/library/go/core/buildinfo")',
            'var buildinfomap = map[string]string {'] + gen_map(json_file) + ['}'] +
            ['func init() {',
             '   buildinfo.InitBuildInfo(buildinfomap)',
             '}']
        ) + '\n')


def print_json(json_file, output_file):
    MANDATOTRY_FIELDS_MAP = {
        'ARCADIA_TAG': 'Arcadia-Tag',
        'ARCADIA_PATCH_NUMBER': 'Arcadia-Patch-Number',
        'ARCADIA_SOURCE_URL': 'Arcadia-Source-URL',
        'ARCADIA_SOURCE_REVISION': 'Arcadia-Source-Revision',
        'ARCADIA_SOURCE_HG_HASH': 'Arcadia-Source-Hash',
        'ARCADIA_SOURCE_LAST_CHANGE': 'Arcadia-Source-Last-Change',
        'ARCADIA_SOURCE_LAST_AUTHOR': 'Arcadia-Source-Last-Author',
        'BRANCH': 'Branch',
        'BUILD_HOST': 'Build-Host',
        'BUILD_USER': 'Build-User',
        'PROGRAM_VERSION': 'Program-Version-String',
        'SCM_DATA': 'SCM-String',
        'VCS': 'Version-Control-System',
    }

    SVN_REVISION = 'SVN_REVISION'

    SVN_FIELDS_MAP = {
        SVN_REVISION: 'SVN-Revision',
        'SVN_ARCROOT': 'SVN-Arcroot',
        'SVN_TIME': 'SVN-Time',
    }

    OPTIONAL_FIELDS_MAP = {
        'BUILD_TIMESTAMP': 'Build-Timestamp',
        'CUSTOM_VERSION': 'Custom-Version-String',
        'DIRTY': 'Working-Copy-State',
    }

    ext_json = {}

    for k in MANDATOTRY_FIELDS_MAP:
        ext_json[MANDATOTRY_FIELDS_MAP[k]] = json_file[k]

    if SVN_REVISION in json_file:
       for k in SVN_FIELDS_MAP:
           ext_json[SVN_FIELDS_MAP[k]] = json_file[k]

    for k in OPTIONAL_FIELDS_MAP:
        if k in json_file and json_file[k]:
           ext_json[OPTIONAL_FIELDS_MAP[k]] = json_file[k]

    with open(output_file, 'w') as f:
        json.dump(ext_json, f, sort_keys=True, indent=4)


if __name__ == '__main__':
    if 'output-go' in sys.argv:
        lang = 'Go'
        sys.argv.remove('output-go')
    elif 'output-java' in sys.argv:
        lang = 'Java'
        sys.argv.remove('output-java')
    elif 'output-json' in sys.argv:
        lang = 'JSON'
        sys.argv.remove('output-json')
    else:
        lang = 'C'

    if 'no-vcs' in sys.argv:
        sys.argv.remove('no-vcs')
        json_file = get_default_json()
    else:
        json_name = sys.argv[1]
        json_file = get_json(json_name)

    if lang == 'Go':
        print_go(json_file, sys.argv[2])
    elif lang == 'Java':
        print_java(json_file, sys.argv[2], sys.argv[3:])
    elif lang == 'JSON':
        print_json(json_file, sys.argv[2])
    else:
        print_c(json_file, sys.argv[2], sys.argv[3:])