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require 'securerandom'
# Compare 2 branches for one repo or between repositories
# and return Gitlab::Git::Compare object that responds to commits and diffs
class CompareService
attr_reader :start_project, :start_branch_name
def initialize(new_start_project, new_start_branch_name)
@start_project = new_start_project
@start_branch_name = new_start_branch_name
end
def execute(target_project, target_branch, straight: false)
# If compare with other project we need to fetch ref first
target_project.repository.with_repo_branch_commit(
start_project.repository,
start_branch_name) do |commit|
break unless commit
compare(commit.sha, target_project, target_branch, straight)
end
end
private
def compare(source_sha, target_project, target_branch, straight)
raw_compare = Gitlab::Git::Compare.new(
target_project.repository.raw_repository,
target_branch,
source_sha,
straight
)
Compare.new(raw_compare, target_project, straight: straight)
end
end
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