2015-04-21 22:04:20 +00:00
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# CommitRange makes it easier to work with commit ranges
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#
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# Examples:
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#
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2015-11-30 20:10:52 +00:00
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# range = CommitRange.new('f3f85602...e86e1013', project)
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2015-04-25 18:58:49 +00:00
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# range.exclude_start? # => false
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2015-04-21 22:04:20 +00:00
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# range.reference_title # => "Commits f3f85602 through e86e1013"
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2015-04-25 18:58:49 +00:00
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# range.to_s # => "f3f85602...e86e1013"
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2015-04-21 22:04:20 +00:00
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#
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2015-11-30 20:10:52 +00:00
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# range = CommitRange.new('f3f856029bc5f966c5a7ee24cf7efefdd20e6019..e86e1013709735be5bb767e2b228930c543f25ae', project)
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2015-04-25 18:58:49 +00:00
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# range.exclude_start? # => true
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# range.reference_title # => "Commits f3f85602^ through e86e1013"
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# range.to_param # => {from: "f3f856029bc5f966c5a7ee24cf7efefdd20e6019^", to: "e86e1013709735be5bb767e2b228930c543f25ae"}
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# range.to_s # => "f3f85602..e86e1013"
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2015-04-21 22:04:20 +00:00
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#
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2015-12-01 11:49:22 +00:00
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# # Assuming the specified project has a repository containing both commits:
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2015-04-21 22:04:20 +00:00
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# range.valid_commits? # => true
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#
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class CommitRange
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include ActiveModel::Conversion
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2015-05-03 03:11:21 +00:00
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include Referable
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2015-04-21 22:04:20 +00:00
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2015-11-30 20:10:52 +00:00
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attr_reader :commit_from, :notation, :commit_to
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2015-11-30 20:36:13 +00:00
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attr_reader :ref_from, :ref_to
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2015-04-21 22:04:20 +00:00
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2016-06-04 15:15:08 +00:00
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# The Project model
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2015-04-21 22:04:20 +00:00
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attr_accessor :project
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2015-11-30 20:36:13 +00:00
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# The beginning and ending refs can be named or SHAs, and
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2015-05-14 20:59:39 +00:00
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# the range notation can be double- or triple-dot.
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2015-11-30 20:36:13 +00:00
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REF_PATTERN = /[0-9a-zA-Z][0-9a-zA-Z_.-]*[0-9a-zA-Z\^]/
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PATTERN = /#{REF_PATTERN}\.{2,3}#{REF_PATTERN}/
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# In text references, the beginning and ending refs can only be SHAs
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2016-01-30 00:49:07 +00:00
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# between 7 and 40 hex characters.
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STRICT_PATTERN = /\h{7,40}\.{2,3}\h{7,40}/
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2015-04-21 22:04:20 +00:00
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2015-05-14 20:59:39 +00:00
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def self.reference_prefix
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'@'
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end
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# Pattern used to extract commit range references from text
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#
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# This pattern supports cross-project references.
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def self.reference_pattern
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@reference_pattern ||= %r{
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2015-12-01 14:51:27 +00:00
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(?:#{Project.reference_pattern}#{reference_prefix})?
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(?<commit_range>#{STRICT_PATTERN})
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2015-05-14 20:59:39 +00:00
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}x
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end
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2015-11-30 20:14:46 +00:00
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def self.link_reference_pattern
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2016-03-24 15:41:48 +00:00
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@link_reference_pattern ||= super("compare", /(?<commit_range>#{PATTERN})/)
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2015-11-30 20:14:46 +00:00
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end
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2015-04-21 22:04:20 +00:00
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# Initialize a CommitRange
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#
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# range_string - The String commit range.
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2016-06-04 15:15:08 +00:00
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# project - The Project model.
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2015-04-21 22:04:20 +00:00
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#
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# Raises ArgumentError if `range_string` does not match `PATTERN`.
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def initialize(range_string, project)
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@project = project
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2016-05-02 16:15:25 +00:00
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range_string = range_string.strip
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2015-04-21 22:04:20 +00:00
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2015-12-01 11:49:22 +00:00
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unless range_string =~ /\A#{PATTERN}\z/
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2015-04-21 22:04:20 +00:00
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raise ArgumentError, "invalid CommitRange string format: #{range_string}"
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end
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2015-11-30 20:36:13 +00:00
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@ref_from, @notation, @ref_to = range_string.split(/(\.{2,3})/, 2)
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2015-04-21 22:04:20 +00:00
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2015-11-30 20:10:52 +00:00
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if project.valid_repo?
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@commit_from = project.commit(@ref_from)
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@commit_to = project.commit(@ref_to)
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end
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if valid_commits?
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@ref_from = Commit.truncate_sha(sha_from) if sha_from.start_with?(@ref_from)
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@ref_to = Commit.truncate_sha(sha_to) if sha_to.start_with?(@ref_to)
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2015-11-30 20:10:52 +00:00
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end
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2015-04-21 22:04:20 +00:00
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end
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def inspect
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%(#<#{self.class}:#{object_id} #{to_s}>)
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end
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2015-04-23 17:52:35 +00:00
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def to_s
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2015-11-30 20:10:52 +00:00
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sha_from + notation + sha_to
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2015-04-21 22:04:20 +00:00
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end
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2015-11-30 20:10:52 +00:00
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alias_method :id, :to_s
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2015-05-03 03:11:21 +00:00
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def to_reference(from_project = nil)
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if cross_project_reference?(from_project)
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2015-12-02 09:54:24 +00:00
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project.to_reference + self.class.reference_prefix + self.id
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else
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self.id
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end
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end
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def reference_link_text(from_project = nil)
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2015-11-30 20:36:13 +00:00
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reference = ref_from + notation + ref_to
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2015-05-12 21:58:29 +00:00
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2015-05-03 03:11:21 +00:00
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if cross_project_reference?(from_project)
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reference = project.to_reference + self.class.reference_prefix + reference
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end
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2015-05-12 21:58:29 +00:00
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reference
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2015-05-03 03:11:21 +00:00
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end
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2015-04-21 22:04:20 +00:00
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# Returns a String for use in a link's title attribute
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def reference_title
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2015-11-30 20:10:52 +00:00
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"Commits #{sha_start} through #{sha_to}"
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2015-04-21 22:04:20 +00:00
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end
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# Return a Hash of parameters for passing to a URL helper
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#
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# See `namespace_project_compare_url`
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def to_param
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{ from: sha_start, to: sha_to }
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2015-04-21 22:04:20 +00:00
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end
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2015-04-25 18:58:49 +00:00
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def exclude_start?
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@notation == '..'
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end
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# Check if both the starting and ending commit IDs exist in a project's
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# repository
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2015-11-30 20:10:52 +00:00
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def valid_commits?
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commit_start.present? && commit_end.present?
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end
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def persisted?
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true
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end
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2015-11-30 20:10:52 +00:00
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def sha_from
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return nil unless @commit_from
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@commit_from.id
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2015-04-23 17:43:21 +00:00
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end
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2015-04-21 22:04:20 +00:00
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2015-11-30 20:10:52 +00:00
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def sha_to
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return nil unless @commit_to
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@commit_to.id
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end
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def sha_start
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return nil unless sha_from
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exclude_start? ? sha_from + '^' : sha_from
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2015-04-21 22:04:20 +00:00
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end
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2015-11-30 20:10:52 +00:00
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def commit_start
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return nil unless sha_start
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2015-11-30 20:10:52 +00:00
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if exclude_start?
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@commit_start ||= project.commit(sha_start)
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else
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commit_from
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end
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2015-04-21 22:04:20 +00:00
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end
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2015-11-30 20:10:52 +00:00
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alias_method :sha_end, :sha_to
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alias_method :commit_end, :commit_to
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2015-04-21 22:04:20 +00:00
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end
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