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An undetected rename can cause a silent success where a conflict should have been detected, or can cause an erroneous conflict state where the merge should have been resolvable. Add testcases for both. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
136 lines
3 KiB
Bash
Executable file
136 lines
3 KiB
Bash
Executable file
#!/bin/sh
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test_description="recursive merge corner cases w/ renames but not criss-crosses"
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# t6036 has corner cases that involve both criss-cross merges and renames
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. ./test-lib.sh
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test_expect_success 'setup rename/delete + untracked file' '
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echo "A pretty inscription" >ring &&
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git add ring &&
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test_tick &&
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git commit -m beginning &&
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git branch people &&
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git checkout -b rename-the-ring &&
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git mv ring one-ring-to-rule-them-all &&
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test_tick &&
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git commit -m fullname &&
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git checkout people &&
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git rm ring &&
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echo gollum >owner &&
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git add owner &&
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test_tick &&
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git commit -m track-people-instead-of-objects &&
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echo "Myyy PRECIOUSSS" >ring
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'
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test_expect_failure "Does git preserve Gollum's precious artifact?" '
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test_must_fail git merge -s recursive rename-the-ring &&
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# Make sure git did not delete an untracked file
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test -f ring
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'
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# Testcase setup for rename/modify/add-source:
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# Commit A: new file: a
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# Commit B: modify a slightly
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# Commit C: rename a->b, add completely different a
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#
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# We should be able to merge B & C cleanly
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test_expect_success 'setup rename/modify/add-source conflict' '
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git rm -rf . &&
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git clean -fdqx &&
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rm -rf .git &&
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git init &&
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printf "1\n2\n3\n4\n5\n6\n7\n" >a &&
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git add a &&
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git commit -m A &&
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git tag A &&
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git checkout -b B A &&
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echo 8 >>a &&
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git add a &&
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git commit -m B &&
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git checkout -b C A &&
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git mv a b &&
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echo something completely different >a &&
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git add a &&
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git commit -m C
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'
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test_expect_failure 'rename/modify/add-source conflict resolvable' '
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git checkout B^0 &&
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git merge -s recursive C^0 &&
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test $(git rev-parse B:a) = $(git rev-parse b) &&
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test $(git rev-parse C:a) = $(git rev-parse a)
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'
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test_expect_success 'setup resolvable conflict missed if rename missed' '
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git rm -rf . &&
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git clean -fdqx &&
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rm -rf .git &&
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git init &&
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printf "1\n2\n3\n4\n5\n" >a &&
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echo foo >b &&
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git add a b &&
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git commit -m A &&
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git tag A &&
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git checkout -b B A &&
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git mv a c &&
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echo "Completely different content" >a &&
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git add a &&
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git commit -m B &&
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git checkout -b C A &&
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echo 6 >>a &&
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git add a &&
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git commit -m C
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'
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test_expect_failure 'conflict caused if rename not detected' '
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git checkout -q C^0 &&
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git merge -s recursive B^0 &&
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test 3 -eq $(git ls-files -s | wc -l) &&
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test 0 -eq $(git ls-files -u | wc -l) &&
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test 0 -eq $(git ls-files -o | wc -l) &&
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test 6 -eq $(wc -l < c) &&
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test $(git rev-parse HEAD:a) = $(git rev-parse B:a) &&
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test $(git rev-parse HEAD:b) = $(git rev-parse A:b)
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'
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test_expect_success 'setup conflict resolved wrong if rename missed' '
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git reset --hard &&
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git clean -f &&
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git checkout -b D A &&
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echo 7 >>a &&
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git add a &&
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git mv a c &&
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echo "Completely different content" >a &&
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git add a &&
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git commit -m D &&
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git checkout -b E A &&
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git rm a &&
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echo "Completely different content" >>a &&
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git add a &&
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git commit -m E
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'
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test_expect_failure 'missed conflict if rename not detected' '
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git checkout -q E^0 &&
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test_must_fail git merge -s recursive D^0
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'
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test_done
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