56 lines
2.4 KiB
Ruby
56 lines
2.4 KiB
Ruby
module Gitlab
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module Satellite
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class BranchesWithoutParent < StandardError; end
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class CompareAction < Action
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def initialize(user, target_project, target_branch, source_project, source_branch)
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super user, target_project
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@target_project, @target_branch = target_project, target_branch
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@source_project, @source_branch = source_project, source_branch
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end
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# Only show what is new in the source branch compared to the target branch, not the other way around.
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# The line below with merge_base is equivalent to diff with three dots (git diff branch1...branch2)
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# From the git documentation: "git diff A...B" is equivalent to "git diff $(git-merge-base A B) B"
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def diffs
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in_locked_and_timed_satellite do |target_repo|
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prepare_satellite!(target_repo)
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update_satellite_source_and_target!(target_repo)
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common_commit = target_repo.git.native(:merge_base, default_options, ["origin/#{@target_branch}", "source/#{@source_branch}"]).strip
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#this method doesn't take default options
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diffs = target_repo.diff(common_commit, "source/#{@source_branch}")
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diffs = diffs.map { |diff| Gitlab::Git::Diff.new(diff) }
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diffs
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end
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rescue Grit::Git::CommandFailed => ex
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raise BranchesWithoutParent
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end
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# Retrieve an array of commits between the source and the target
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def commits
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in_locked_and_timed_satellite do |target_repo|
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prepare_satellite!(target_repo)
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update_satellite_source_and_target!(target_repo)
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commits = target_repo.commits_between("origin/#{@target_branch}", "source/#{@source_branch}")
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commits = commits.map { |commit| Gitlab::Git::Commit.new(commit, nil) }
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commits
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end
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rescue Grit::Git::CommandFailed => ex
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handle_exception(ex)
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end
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private
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# Assumes a satellite exists that is a fresh clone of the projects repo, prepares satellite for diffs
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def update_satellite_source_and_target!(target_repo)
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target_repo.remote_add('source', @source_project.repository.path_to_repo)
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target_repo.remote_fetch('source')
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target_repo.git.checkout(default_options({b: true}), @target_branch, "origin/#{@target_branch}")
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rescue Grit::Git::CommandFailed => ex
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handle_exception(ex)
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end
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end
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end
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end
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