[PATCH 1/3] t4202-log: extend test coverage of graphing

[Allan Caffee <allan.caffee@gmail.com>]

Extend this test to cover the rendering of graphs with octopus merges
and pre_commit lines.

Signed-off-by: Allan Caffee <allan.caffee@gmail.com>
---
 t/t4202-log.sh |   28 +++++++++++++++++++++++++++-
 1 files changed, 27 insertions(+), 1 deletions(-)

This patch by itself should cause the test to fail.  Proving that the
following two patches are required too return us to sane behaviour.

diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index b986190..64502e2 100755
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -284,10 +284,36 @@ test_expect_success 'set up more tangled history' '
 	git merge master~3 &&
 	git merge side~1 &&
 	git checkout master &&
-	git merge tangle
+	git merge tangle &&
+	git checkout -b reach &&
+	test_commit reach &&
+	git checkout master &&
+	git checkout -b octopus-a &&
+	test_commit octopus-a &&
+	git checkout master &&
+	git checkout -b octopus-b &&
+	test_commit octopus-b &&
+	git checkout master &&
+	test_commit seventh &&
+	git merge octopus-a octopus-b
+	git merge reach
 '
 
 cat > expect <<\EOF
+*   Merge branch 'reach'
+|\
+| \
+|  \
+*-. \   Merge branches 'octopus-a' and 'octopus-b'
+|\ \ \
+* | | | seventh
+| | * | octopus-b
+| |/ /
+|/| |
+| * | octopus-a
+|/ /
+| * reach
+|/
 *   Merge branch 'tangle'
 |\
 | *   Merge branch 'side' (early part) into tangle
-- 
1.5.6.3