36 lines
1.2 KiB
Ruby
36 lines
1.2 KiB
Ruby
module Gitlab
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module Diff
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class DiffRefs
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attr_reader :base_sha
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attr_reader :start_sha
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attr_reader :head_sha
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def initialize(base_sha:, start_sha: base_sha, head_sha:)
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@base_sha = base_sha
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@start_sha = start_sha
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@head_sha = head_sha
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end
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def ==(other)
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other.is_a?(self.class) &&
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base_sha == other.base_sha &&
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start_sha == other.start_sha &&
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head_sha == other.head_sha
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end
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# There is only one case in which we will have `start_sha` and `head_sha`,
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# but not `base_sha`, which is when a diff is generated between an
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# orphaned branch and another branch, which means there _is_ no base, but
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# we're still able to highlight it, and to create diff notes, which are
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# the primary things `DiffRefs` are used for.
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# `DiffRefs` are "complete" when they have `start_sha` and `head_sha`,
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# because `base_sha` can always be derived from this, to return an actual
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# sha, or `nil`.
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# We have `base_sha` directly available on `DiffRefs` because it's faster#
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# than having to look it up in the repo every time.
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def complete?
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start_sha && head_sha
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end
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end
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end
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end
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