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[WIP PATCH 10/10] Add new testcase (temp14) showing how undetected renames can cause or spuriously avoid merge conflicts

From
Elijah Newren <newren@gmail.com>
Date
Mar 21, 2011, 18:31 UTC
Message-ID
<1300732264-9638-11-git-send-email-newren@gmail.com>
In-Reply-To
<1300732264-9638-1-git-send-email-newren@gmail.com>
---
 t/temp14.sh |   63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 63 insertions(+), 0 deletions(-)
 create mode 100755 t/temp14.sh
diff --git a/t/temp14.sh b/t/temp14.sh
new file mode 100755
index 0000000..f82d991
--- /dev/null
+++ b/t/temp14.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+test_description='undetected renames cause merge problems'
+
+. ./test-lib.sh
+
+test_expect_success 'setup undetected rename causing conflict in merge' '
+	printf "1\n2\n3\n4\n5\n" >a &&
+	echo foo >b &&
+	git add a b &&
+	git commit -m A &&
+	git tag A &&
+
+	git checkout -b B A &&
+	git mv a c &&
+	echo "Completely different content" >a &&
+	git add a &&
+	git commit -m B &&
+
+	git checkout -b C A &&
+	echo 6 >>a &&
+	git add a &&
+	git commit -m C
+'
+
+test_expect_success 'undetected rename causes conflict' '
+	git checkout -q C^0 &&
+	git merge -s recursive B^0 &&
+
+	test 3 -eq $(git ls-files -s | wc -l) &&
+	test 0 -eq $(git ls-files -u | wc -l) &&
+	test 0 -eq $(git ls-files -o | wc -l) &&
+
+	test 6 -eq $(wc -l < c) &&
+	test $(git rev-parse HEAD:a) = $(git rev-parse B:a) &&
+	test $(git rev-parse HEAD:b) = $(git rev-parse A:b)
+'
+
+test_expect_success 'setup undetected rename causing missed merge conflict' '
+	git reset --hard &&
+	git clean -f &&
+
+	git checkout -b D A &&
+	echo 7 >>a &&
+	git add a &&
+	git mv a c &&
+	echo "Completely different content" >a &&
+	git add a &&
+	git commit -m D &&
+
+	git checkout -b E A &&
+	git rm a &&
+	echo "Completely different content" >>a &&
+	git add a &&
+	git commit -m E
+'
+
+test_expect_success 'undetected rename causes missed conflict' '
+	git checkout -q E^0 &&
+	test_must_fail git merge -s recursive D^0
+'
+
+test_done
-- 
1.7.4
Previous: Elijah Newren
Message 11 of 11 in “Work-in-progress merge-recursive work”
  1. 00/10 Work-in-progress merge-recursive workElijah Newren, Mar 21, 2011
  2. 01/10 merge-recursive: Remove redundant check for removing rename sourceElijah Newren, Mar 21, 2011
  3. 02/10 Reminder to fix o->call_depth handling in conflict_rename_rename_1to2Elijah Newren, Mar 21, 2011
  4. 03/10 A bunch of fixes and FIXMEsElijah Newren, Mar 21, 2011
  5. 04/10 Correct a commentElijah Newren, Mar 21, 2011
  6. 05/10 merge-recursive: Fix sorting order and directory change assumptionsElijah Newren, Mar 21, 2011
  7. 06/10 Add a comment pointing out a bugElijah Newren, Mar 21, 2011
  8. 07/10 Good testcasesElijah Newren, Mar 21, 2011
  9. 08/10 More test scriptsElijah Newren, Mar 21, 2011
  10. 09/10 Tests and fixes associated with rename/rename conflictsElijah Newren, Mar 21, 2011
  11. 10/10 Add new testcase (temp14) showing how undetected renames can cause or spuriously avoid merge conflictsElijah Newren, Mar 21, 2011

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