added Gitlab::Git::Compare for git compare feature

Dmitriy Zaporozhets
1 parent 51c16755
Showing 1 changed file with 37 additions and 0 deletions Show diff stats
lib/gitlab/git/compare.rb
@@ -0,0 +1,37 @@
+module Gitlab
+  module Git
+    class Compare
+      attr_accessor :commits, :commit, :diffs, :same
+
+      def initialize(repository, from, to)
+        @commits, @diffs = [], []
+        @commit = nil
+        @same = false
+
+        return unless from && to
+
+        first = repository.commit(to.try(:strip))
+        last = repository.commit(from.try(:strip))
+
+        return unless first && last
+
+        if first.id == last.id
+          @same = true
+          return
+        end
+
+        @commit = Commit.new(first)
+
+        @commits = repository.commits_between(last.id, first.id)
+        @commits = @commits.map { |c| Commit.new(c) }
+
+        @diffs = if @commits.size > 100
+                   []
+                 else
+                   repository.repo.diff(last.id, first.id) rescue []
+                 end
+      end
+    end
+  end
+end
+
@@ -0,0 +1,37 @@		@@ -0,0 +1,37 @@
	1	+module Gitlab
	2	+ module Git
	3	+ class Compare
	4	+ attr_accessor :commits, :commit, :diffs, :same
	5	+
	6	+ def initialize(repository, from, to)
	7	+ @commits, @diffs = [], []
	8	+ @commit = nil
	9	+ @same = false
	10	+
	11	+ return unless from && to
	12	+
	13	+ first = repository.commit(to.try(:strip))
	14	+ last = repository.commit(from.try(:strip))
	15	+
	16	+ return unless first && last
	17	+
	18	+ if first.id == last.id
	19	+ @same = true
	20	+ return
	21	+ end
	22	+
	23	+ @commit = Commit.new(first)
	24	+
	25	+ @commits = repository.commits_between(last.id, first.id)
	26	+ @commits = @commits.map { \|c\| Commit.new(c) }
	27	+
	28	+ @diffs = if @commits.size > 100
	29	+ []
	30	+ else
	31	+ repository.repo.diff(last.id, first.id) rescue []
	32	+ end
	33	+ end
	34	+ end
	35	+ end
	36	+end
	37	+