Class: SlackNotificationGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/slack_notification_generator/main.rb

Class Method Summary collapse

Class Method Details

.add_attachment(store, title, data) ⇒ Object



141
142
143
144
145
146
147
148
149
150
151
# File 'lib/slack_notification_generator/main.rb', line 141

def self.add_attachment(store, title, data)
  return if data.nil? || data.length == 0
  data.map! do |line|
    line.split("\n").map(&:strip).join("\n  ")
  end
  store <<
    {
      title: title,
      text: data.map { |l| "#{l}" }.join("\n")
    }
end

.extract_commits(blob) ⇒ Object



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
# File 'lib/slack_notification_generator/main.rb', line 115

def self.extract_commits(blob)
  commits = []
  commit = nil
  blob.split("\n").map(&:strip).each do |line|
    case line
    when /^commit ([0-9a-f]+)$/
      commits << commit unless commit.nil?
      commit = { hash: $1[0..6], skip: false }
    when /^Author: ([a-zA-Z]+)/
      commit[:author] = $1.downcase
    when /^Date: +(.*)$/
      commit[:date] = Date.parse($1)
    when /^([A-Z]+-[0-9]+)/
      commit[:issue] = $1
      if line =~ /#time +([0-9][^\s]*)/
        commit[:time] = $1
      end
    else
      commit[:message] ||= line unless line.empty?
      commit[:skip] = true if line =~ /\[skip ci\]/
    end
  end
  commits << commit unless commit.nil?
  commits
end

.format(commit) ⇒ Object



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
# File 'lib/slack_notification_generator/main.rb', line 153

def self.format(commit)
  commit[:authors] ||= [commit[:author]].compact
  commit[:issues] ||= [commit[:issue]].compact
  commit[:times] ||= [commit[:time]].compact
  link =
    if commit[:pull]
      if ENV['SLACK_REPO']
        "<#{ENV['SLACK_REPO']}/pull/#{commit[:pull]}|##{commit[:pull]}>"
      else
        "##{commit[:pull]}"
      end
    else
      if ENV['SLACK_REPO']
        "<#{ENV['SLACK_REPO']}/commit/#{commit[:hash]}|##{commit[:hash]}>"
      else
        "##{commit[:hash]}"
      end
    end
  issues =
    if commit[:issues].empty?
      nil
    else
      commit[:issues].map do |issue|
        if ENV['SLACK_JIRA']
          "<#{ENV['SLACK_JIRA']}/browse/#{issue}|#{issue}>"
        else
          issue
        end
      end.join(', ')
    end
  time =
    if commit[:times].empty?
      nil
    else
      seconds =
        commit[:times].map do |data|
          ChronicDuration.parse(data)
        end.reduce(:+)
      ChronicDuration.output(seconds)
    end
  extras = [issues, commit[:authors].join(', '), time].compact.join(', ')
  commit[:message] = "(no message)" if commit[:message].nil?
  if commit[:message].length > 50
    commit[:message] = commit[:message][0, 50] + "..."
  end
  <<-eos
    #{link} #{commit[:message]} (#{extras})
  eos
end

.runObject



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
# File 'lib/slack_notification_generator/main.rb', line 8

def self.run
  unless ENV['SLACK_HOOK']
    puts 'you must define the "SLACK_HOOK" environment variable'
    exit 1
  end

  env =
    case ENV['CI_BRANCH']
    when 'master'
      'Production'
    when 'develop'
      'Staging'
    when /^release/
      'Release'
    else
      'Development'
    end

  changelog = []

  this_tag = 'HEAD'
  prev_tag = `git describe --abbrev=0 --tags`.strip

  if ARGV.select { |arg| arg == "HEAD" }.empty?
    this_tag = prev_tag
    prev_tag = `git describe --abbrev=0 --tags #{this_tag}^`.strip
  end

  server = ARGV.select { |arg| arg != "HEAD" }.first

  commits = []
  commit = nil
  blob = `git log --merges #{this_tag} ^#{prev_tag}`
  blob.split("\n").map(&:strip).each do |line|
    case line
    when /^commit ([0-9a-f]+)$/
      commits << commit unless commit.nil?
      commit = { hash: $1[0..6] }
    when /^Merge: ([a-f0-9]+) ([a-f0-9]+)/
      commit[:range] = ($1..$2)
    when /^Author: ([a-zA-Z]+)/
    when /^Date: +(.*)$/
      commit[:date] = Date.parse($1)
    when /^Merge pull request #([0-9]*) /
      commit[:pull] = $1
    else
      commit[:message] ||= line unless line.empty?
    end
  end
  commits << commit unless commit.nil?

  pull_requests = []
  commit_filter = {}
  commits.each do |commit|
    next unless commit[:pull]
    blob = `git log --no-merges #{commit[:range].last} ^#{commit[:range].first}`
    commit[:authors] = []
    commit[:issues] = []
    commit[:times] = []
    extract_commits(blob).each do |child|
      commit_filter[child[:hash]] = true
      commit[:authors] << child[:author]
      commit[:issues] << child[:issue] if child[:issue]
      commit[:times] << child[:time] if child[:time]
    end
    commit[:authors].sort!.uniq!
    commit[:issues].sort!.uniq!
    pull_requests << commit
  end
  pull_requests.map! { |commit| format(commit) }

  blob = `git log --no-merges #{this_tag} ^#{prev_tag}`
  other_commits = []
  extract_commits(blob).each do |commit|
    next if commit_filter[commit[:hash]] || commit[:skip]
    other_commits << commit
  end
  other_commits.map! { |commit| format(commit) }

  attachments = []
  add_attachment(attachments, "Pull Requests", pull_requests)
  add_attachment(attachments, "Other Commits", other_commits)
  return if attachments.length == 0

  version = ""
  if this_tag != 'HEAD'
    version = " v#{this_tag}"
  end

  message = "*#{[ENV['SLACK_NAME'], env].compact.join(' ')} Release#{version}*"
  if server
    name = server.gsub(/^http.*\/\//, "").gsub(/\/$/, '')
    message << " (<#{server}|#{name}>)"
  end

  payload =
    {
      username: ENV['SLACK_USER'] || 'Notification',
      icon_emoji: ENV['SLACK_ICON'] || ':bell:',
      channel: ENV['SLACK_CHAN'] || '#general',
      text: message,
      attachments: attachments
    }

  `curl -X POST --data-urlencode 'payload=#{payload.to_json.gsub("'", "'\"'\"'")}' #{ENV['SLACK_HOOK']}`
end