Class: Redmine::Scm::Adapters::GitAdapter

Inherits:
AbstractAdapter show all
Defined in:
lib/redmine/scm/adapters/git_adapter.rb

Defined Under Namespace

Classes: GitBranch, Revision

Constant Summary collapse

GIT_BIN =

Git executable name

Redmine::Configuration['scm_git_command'] || "git"
GIT_DEFAULT_BRANCH_NAMES =

Repositories created after 2020 may have a default branch of “main” instead of “master”

%w[main master].freeze

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractAdapter

#adapter_name, client_version_above?, client_version_string, #initialize, logger, #properties, #root_url, shell_quote, shell_quote_command, shellout, #supports_annotate?, #supports_cat?, #url, #with_leading_slash, #with_trailing_slash, #without_leading_slash, #without_trailing_slash

Methods included from Utils::Shell

shell_quote, shell_quote_command

Constructor Details

This class inherits a constructor from Redmine::Scm::Adapters::AbstractAdapter

Class Method Details

.client_availableObject



49
50
51
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 49

def client_available
  !client_version.empty?
end

.client_commandObject



37
38
39
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 37

def client_command
  @@bin    ||= GIT_BIN
end

.client_versionObject



45
46
47
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 45

def client_version
  @@client_version ||= (scm_command_version || [])
end

.scm_command_versionObject



53
54
55
56
57
58
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 53

def scm_command_version
  scm_version = scm_version_from_command_line.b
  if m = scm_version.match(%r{\A(.*?)((\d+\.)+\d+)})
    m[2].scan(%r{\d+}).collect(&:to_i)
  end
end

.scm_version_from_command_lineObject



60
61
62
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 60

def scm_version_from_command_line
  shellout("#{sq_bin} --version") {|io| io.read}.to_s
end

.sq_binObject



41
42
43
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 41

def sq_bin
  @@sq_bin ||= shell_quote_command
end

Instance Method Details

#annotate(path, identifier = nil) ⇒ Object



365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 365

def annotate(path, identifier=nil)
  identifier = 'HEAD' if identifier.blank?
  git_identifier = scm_iconv(@path_encoding, 'UTF-8', identifier)
  cmd_args = %w|blame --encoding=UTF-8|
  cmd_args << "-p" << git_identifier << "--" <<  scm_iconv(@path_encoding, 'UTF-8', path)
  blame = Annotate.new
  content = nil
  git_cmd(cmd_args) {|io| io.binmode; content = io.read}
  # git annotates binary files
  return nil if ScmData.binary?(content)

  identifier = ''
  # git shows commit author on the first occurrence only
  authors_by_commit = {}
  prev_blames_by_commit = {}
  content.split("\n").each do |line|
    if line =~ /^([0-9a-f]{39,40})\s.*/
      identifier = $1
    elsif line =~ /^author (.+)/
      authors_by_commit[identifier] = $1.strip
    elsif line =~ /^previous (.+)/
      prev_blames_by_commit[identifier] = $1.strip
    elsif line =~ /^\t(.*)/
      blame.add_line(
        $1,
        Revision.new(
          :identifier => identifier,
          :revision   => identifier,
          :scmid      => identifier,
          :author     => authors_by_commit[identifier]
        ),
        prev_blames_by_commit[identifier]
      )
      identifier = ''
      author = ''
    end
  end
  blame
rescue ScmCommandAborted
  nil
end

#branchesObject



75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 75

def branches
  return @branches if @branches

  @branches = []
  cmd_args = %w|branch --no-color --verbose --no-abbrev|
  git_cmd(cmd_args) do |io|
    io.each_line do |line|
      branch_rev = line.match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')
      next unless branch_rev

      bran = GitBranch.new(scm_iconv('UTF-8', @path_encoding, branch_rev[2]))
      bran.revision =  branch_rev[3]
      bran.scmid    =  branch_rev[3]
      bran.is_default = (branch_rev[1] == '*')
      @branches << bran
    end
  end
  @branches.sort!
rescue ScmCommandAborted
  nil
end

#cat(path, identifier = nil) ⇒ Object



407
408
409
410
411
412
413
414
415
416
417
418
419
420
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 407

def cat(path, identifier=nil)
  identifier = 'HEAD' if identifier.nil?
  git_identifier = scm_iconv(@path_encoding, 'UTF-8', identifier)
  cmd_args = %w|show --no-color|
  cmd_args << "#{git_identifier}:#{scm_iconv(@path_encoding, 'UTF-8', path)}"
  cat = nil
  git_cmd(cmd_args) do |io|
    io.binmode
    cat = io.read
  end
  cat
rescue ScmCommandAborted
  nil
end

#default_branchObject



110
111
112
113
114
115
116
117
118
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 110

def default_branch
  return if branches.blank?

  (
    branches.detect(&:is_default) ||
    branches.detect {|b| GIT_DEFAULT_BRANCH_NAMES.include?(b.to_s)} ||
    branches.first
  ).to_s
end

#diff(path, identifier_from, identifier_to = nil) ⇒ Object



344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 344

def diff(path, identifier_from, identifier_to=nil)
  path ||= ''
  cmd_args = []
  if identifier_to
    cmd_args << "diff" << "--no-color" <<  identifier_to << identifier_from
  else
    cmd_args << "show" << "--no-color" << identifier_from
  end
  cmd_args << '--no-renames' if self.class.client_version_above?([2, 9])
  cmd_args << "--" <<  scm_iconv(@path_encoding, 'UTF-8', path) unless path.empty?
  diff = []
  git_cmd(cmd_args) do |io|
    io.each_line do |line|
      diff << line
    end
  end
  diff
rescue ScmCommandAborted
  nil
end

#entries(path = nil, identifier = nil, options = {}) ⇒ Object



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
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 135

def entries(path=nil, identifier=nil, options={})
  path ||= ''
  p = scm_iconv(@path_encoding, 'UTF-8', path)
  entries = Entries.new
  cmd_args = %w|ls-tree -l|
  identifier = 'HEAD' if identifier.nil?
  git_identifier = scm_iconv(@path_encoding, 'UTF-8', identifier)
  cmd_args << "#{git_identifier}:#{p}"
  git_cmd(cmd_args) do |io|
    io.each_line do |line|
      e = line.chomp.to_s
      if e =~ /^\d+\s+(\w+)\s+([0-9a-f]{40})\s+([0-9-]+)\t(.+)$/
        type = $1
        sha  = $2
        size = $3
        name = $4.force_encoding(@path_encoding)
        full_path = p.empty? ? name : "#{p}/#{name}"
        n      = scm_iconv('UTF-8', @path_encoding, name)
        full_p = scm_iconv('UTF-8', @path_encoding, full_path)
        unless entries.detect{|entry| entry.name == name}
          entries <<
            Entry.
              new(
                {
                  :name => n,
                  :path => full_p,
                  :kind => (type == "tree") ? 'dir' : 'file',
                  :size => (type == "tree") ? nil : size,
                  :lastrev =>
                    if options[:report_last_commit]
                      lastrev(full_path, identifier)
                    else
                      Revision.new
                    end
                }
              )
        end
      end
    end
  end
  entries.sort_by_name
rescue ScmCommandAborted
  nil
end

#entry(path = nil, identifier = nil) ⇒ Object



120
121
122
123
124
125
126
127
128
129
130
131
132
133
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 120

def entry(path=nil, identifier=nil)
  parts = path.to_s.split(%r{[\/\\]}).select {|n| !n.blank?}
  search_path = parts[0..-2].join('/')
  search_name = parts[-1]
  if search_path.blank? && search_name.blank?
    # Root entry
    Entry.new(:path => '', :kind => 'dir')
  else
    # Search for the entry in the parent directory
    es = entries(search_path, identifier,
                 options = {:report_last_commit => false})
    es ? es.detect {|e| e.name == search_name} : nil
  end
end

#infoObject



69
70
71
72
73
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 69

def info
  Info.new(:root_url => url, :lastrev => lastrev('', nil))
rescue
  nil
end

#lastrev(path, rev) ⇒ Object



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
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 180

def lastrev(path, rev)
  return nil if path.nil?

  cmd_args = %w|log --no-color --encoding=UTF-8 --date=iso --pretty=fuller --no-merges -n 1|
  cmd_args << '--no-renames' if self.class.client_version_above?([2, 9])
  cmd_args << rev if rev
  cmd_args << "--" << path unless path.empty?
  lines = []
  git_cmd(cmd_args) {|io| lines = io.readlines}
  begin
    id = lines[0].split[1]
    author = lines[1].match('Author:\s+(.*)$')[1]
    time = Time.parse(lines[4].match('CommitDate:\s+(.*)$')[1])
    Revision.
      new(
        {
          :identifier => id,
          :scmid      => id,
          :author     => author,
          :time       => time,
          :message    => nil,
          :paths      => nil
        }
      )
  rescue NoMethodError => e
    logger.error("The revision '#{path}' has a wrong format")
    return nil
  end
rescue ScmCommandAborted
  nil
end

#path_encodingObject



65
66
67
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 65

def path_encoding
  @path_encoding
end

#revisions(path, identifier_from, identifier_to, options = {}) ⇒ Object



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
332
333
334
335
336
337
338
339
340
341
342
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 212

def revisions(path, identifier_from, identifier_to, options={})
  revs = Revisions.new
  cmd_args = %w|log --no-color --encoding=UTF-8 --raw --date=iso --pretty=fuller --parents --stdin|
  cmd_args << '--no-renames' if self.class.client_version_above?([2, 9])
  cmd_args << "--reverse" if options[:reverse]
  cmd_args << "-n" << options[:limit].to_i.to_s if options[:limit]
  cmd_args << "--" << scm_iconv(@path_encoding, 'UTF-8', path) if path && !path.empty?
  revisions = []
  if identifier_from || identifier_to
    revisions << +""
    if identifier_from
      git_identifier_from = scm_iconv(@path_encoding, 'UTF-8', identifier_from)
      revisions[0] << "#{git_identifier_from}.." if identifier_from
    end
    if identifier_to
      git_identifier_to = scm_iconv(@path_encoding, 'UTF-8', identifier_to)
      revisions[0] << git_identifier_to.to_s if identifier_to
    end
  else
    unless options[:includes].blank?
      revisions += options[:includes]
    end
    unless options[:excludes].blank?
      revisions += options[:excludes].map{|r| "^#{r}"}
    end
  end

  git_cmd(cmd_args, {:write_stdin => true}) do |io|
    io.binmode
    io.puts(revisions.join("\n"))
    io.close_write
    files=[]
    changeset = {}
    # 0: not parsing desc or files, 1: parsing desc, 2: parsing files
    parsing_descr = 0

    io.each_line do |line|
      if line =~ /^commit ([0-9a-f]{40})(( [0-9a-f]{40})*)$/
        key = "commit"
        value = $1
        parents_str = $2
        if [1, 2].include?(parsing_descr)
          parsing_descr = 0
          revision =
            Revision.
              new(
                {
                  :identifier => changeset[:commit],
                  :scmid      => changeset[:commit],
                  :author     => changeset[:author],
                  :time       => Time.parse(changeset[:date]),
                  :message    => changeset[:description],
                  :paths      => files,
                  :parents    => changeset[:parents]
                }
              )
          if block_given?
            yield revision
          else
            revs << revision
          end
          changeset = {}
          files = []
        end
        changeset[:commit] = $1
        unless parents_str.nil? or parents_str == ""
          changeset[:parents] = parents_str.strip.split(' ')
        end
      elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
        key = $1
        value = $2
        if key == "Author"
          changeset[:author] = value
        elsif key == "CommitDate"
          changeset[:date] = value
        end
      elsif (parsing_descr == 0) && line.chomp.to_s == ""
        parsing_descr = 1
        changeset[:description] = +""
      elsif [1, 2].include?(parsing_descr) &&
              line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\t(.+)$/
        parsing_descr = 2
        fileaction    = $1
        filepath      = $2
        p = scm_iconv('UTF-8', @path_encoding, filepath)
        files << {:action => fileaction, :path => p}
      elsif [1, 2].include?(parsing_descr) &&
              line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\d+\s+(\S+)\t(.+)$/
        parsing_descr = 2
        fileaction    = $1
        filepath      = $3
        p = scm_iconv('UTF-8', @path_encoding, filepath)
        files << {:action => fileaction, :path => p}
      elsif (parsing_descr == 1) && line.chomp.to_s == ""
        parsing_descr = 2
      elsif (parsing_descr == 1)
        changeset[:description] << line[4..-1]
      end
    end

    if changeset[:commit]
      revision =
        Revision.
          new(
            {
              :identifier => changeset[:commit],
              :scmid      => changeset[:commit],
              :author     => changeset[:author],
              :time       => Time.parse(changeset[:date]),
              :message    => changeset[:description],
              :paths      => files,
              :parents    => changeset[:parents]
            }
          )
      if block_given?
        yield revision
      else
        revs << revision
      end
    end
  end
  revs
rescue ScmCommandAborted => e
  err_msg = "git log error: #{e.message}"
  logger.error(err_msg)
  if block_given?
    raise CommandFailed, err_msg
  else
    revs
  end
end

#tagsObject



97
98
99
100
101
102
103
104
105
106
107
108
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 97

def tags
  return @tags if @tags

  @tags = []
  cmd_args = %w|tag|
  git_cmd(cmd_args) do |io|
    @tags = io.readlines.sort!.map{|t| scm_iconv('UTF-8', @path_encoding, t.strip)}
  end
  @tags
rescue ScmCommandAborted
  nil
end

#valid_name?(name) ⇒ Boolean

Returns:

  • (Boolean)


422
423
424
425
426
427
428
429
430
431
432
# File 'lib/redmine/scm/adapters/git_adapter.rb', line 422

def valid_name?(name)
  return false unless name.is_a?(String)

  return false if name.start_with?('-', '/', 'refs/heads/', 'refs/remotes/')
  return false if name == 'HEAD'

  git_cmd ['show-ref', '--heads', '--tags', '--quiet', '--', name]
  true
rescue ScmCommandAborted
  false
end