Add cherry support to Git::Log (#97)

Signed-off-by: Peter Kovacs <peter@sanebox.com>

lib/git/lib.rb

@@ -1100,6 +1100,7 @@ def log_common_options(opts)
 
       arr_opts << "-#{opts[:count]}" if opts[:count]
       arr_opts << "--no-color"
+      arr_opts << "--cherry" if opts[:cherry]
       arr_opts << "--since=#{opts[:since]}" if opts[:since].is_a? String
       arr_opts << "--until=#{opts[:until]}" if opts[:until].is_a? String
       arr_opts << "--grep=#{opts[:grep]}" if opts[:grep].is_a? String

lib/git/log.rb

@@ -18,6 +18,7 @@ def initialize(base, count = 30)
       @skip = nil
       @until = nil
       @between = nil
+      @cherry = nil
     end
 
     def object(objectish)
@@ -67,6 +68,12 @@ def between(sha1, sha2 = nil)
       @between = [sha1, sha2]
       return self
     end
+
+    def cherry
+      dirty_log
+      @cherry = true
+      return self
+    end
 
     def to_s
       self.map { |c| c.to_s }.join("\n")
@@ -119,7 +126,7 @@ def run_log
         log = @base.lib.full_log_commits(:count => @count, :object => @object, 
                                     :path_limiter => @path, :since => @since, 
                                     :author => @author, :grep => @grep, :skip => @skip,
-                                    :until => @until, :between => @between)
+                                    :until => @until, :between => @between, :cherry => @cherry)
         @commits = log.map { |c| Git::Object::Commit.new(@base, c['sha'], c) }
       end
 

tests/files/working/dot_git/logs/HEAD

@@ -73,3 +73,9 @@ b98f4909807c8c84a1dc1b62b4a339ae1777f369 87c56502c73149f006631129f85dff697e00035
 a3db7143944dcfa006fefe7fb49c48793cb29ade 34a566d193dc4702f03149969a2aad1443231560 scott Chacon <schacon@agadorsparticus.corp.reactrix.com> 1194632975 -0800	commit: modified to not show up
 34a566d193dc4702f03149969a2aad1443231560 935badc874edd62a8629aaf103418092c73f0a56 scott Chacon <schacon@agadorsparticus.corp.reactrix.com> 1194633382 -0800	commit: more search help
 935badc874edd62a8629aaf103418092c73f0a56 5e53019b3238362144c2766f02a2c00d91fcc023 scott Chacon <schacon@agadorsparticus.(none)> 1194720731 -0800	commit: diff test
+5e53019b3238362144c2766f02a2c00d91fcc023 5e392652a881999392c2757cf9b783c5d47b67f7 Scott Chacon <schacon@gmail.com> 1378909802 -0400	checkout: moving from git_grep to master
+5e392652a881999392c2757cf9b783c5d47b67f7 545c81a2e8d1112d5f7356f840a22e8f6abcef8f Scott Chacon <schacon@gmail.com> 1378910044 -0400	checkout: moving from master to cherry
+545c81a2e8d1112d5f7356f840a22e8f6abcef8f 6f09de178a27f7702c37907fd614c3c122d33c30 Scott Chacon <schacon@gmail.com> 1378910061 -0400	commit: in cherry
+6f09de178a27f7702c37907fd614c3c122d33c30 faf8d899a0f123c3c5def10857920be1c930e8ed Scott Chacon <schacon@gmail.com> 1378910110 -0400	commit (merge): Merge commit '4ce44a75510cbfe200b131fdbcc56a86f1b2dc08' into cherry
+faf8d899a0f123c3c5def10857920be1c930e8ed 5e392652a881999392c2757cf9b783c5d47b67f7 Scott Chacon <schacon@gmail.com> 1378910135 -0400	checkout: moving from cherry to master
+5e392652a881999392c2757cf9b783c5d47b67f7 5e53019b3238362144c2766f02a2c00d91fcc023 Scott Chacon <schacon@gmail.com> 1378910138 -0400	checkout: moving from master to git_grep

tests/files/working/dot_git/logs/refs/heads/cherry

@@ -0,0 +1,3 @@
+0000000000000000000000000000000000000000 545c81a2e8d1112d5f7356f840a22e8f6abcef8f Scott Chacon <schacon@gmail.com> 1378910044 -0400	branch: Created from 545c81a2e8d1112d5f7356f840a22e8f6abcef8f
+545c81a2e8d1112d5f7356f840a22e8f6abcef8f 6f09de178a27f7702c37907fd614c3c122d33c30 Scott Chacon <schacon@gmail.com> 1378910061 -0400	commit: in cherry
+6f09de178a27f7702c37907fd614c3c122d33c30 faf8d899a0f123c3c5def10857920be1c930e8ed Scott Chacon <schacon@gmail.com> 1378910110 -0400	commit (merge): Merge commit '4ce44a75510cbfe200b131fdbcc56a86f1b2dc08' into cherry

tests/files/working/dot_git/refs/heads/cherry

@@ -0,0 +1 @@
+faf8d899a0f123c3c5def10857920be1c930e8ed

tests/units/test_log.rb

@@ -91,4 +91,10 @@ def test_log_with_empty_commit_message
       assert_equal(expected_message, log[1].message)
     end
   end
+
+  def test_log_cherry
+    l = @git.log.between( 'master', 'cherry').cherry
+    assert_equal( 1, l.size )
+  end
+
 end

tests/units/test_logger.rb

@@ -20,7 +20,7 @@ def test_logger
 
     logc = File.read(log.path)
     assert(/INFO -- : git ['"]--git-dir=[^'"]+['"] ['"]--work-tree=[^'"]+['"] ['"]-c['"] ['"]color.ui=false['"] branch ['"]-a['"]/.match(logc))
-    assert(/DEBUG -- :   diff_over_patches/.match(logc))
+    assert(/DEBUG -- :   cherry\n  diff_over_patches\n\* git_grep/m.match(logc))
 
     log = Tempfile.new('logfile')
     log.close
@@ -32,7 +32,7 @@ def test_logger
 
     logc = File.read(log.path)
     assert(/INFO -- : git ['"]--git-dir=[^'"]+['"] ['"]--work-tree=[^'"]+['"] ['"]-c['"] ['"]color.ui=false['"] branch ['"]-a['"]/.match(logc))
-    assert(!/DEBUG -- :   diff_over_patches/.match(logc))
+    assert(!/DEBUG -- :   cherry\n  diff_over_patches\n\* git_grep/m.match(logc))
   end
 
 end