b6c32f63f3
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
736 lines
17 KiB
Bash
Executable File
736 lines
17 KiB
Bash
Executable File
#!/bin/sh
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test_description='merge-recursive backend test'
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. ./test-lib.sh
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test_expect_success 'setup 1' '
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echo hello >a &&
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o0=$(git hash-object a) &&
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cp a b &&
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cp a c &&
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mkdir d &&
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cp a d/e &&
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test_tick &&
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git add a b c d/e &&
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git commit -m initial &&
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c0=$(git rev-parse --verify HEAD) &&
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git branch side &&
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git branch df-1 &&
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git branch df-2 &&
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git branch df-3 &&
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git branch remove &&
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git branch submod &&
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git branch copy &&
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git branch rename &&
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git branch rename-ln &&
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echo hello >>a &&
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cp a d/e &&
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o1=$(git hash-object a) &&
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git add a d/e &&
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test_tick &&
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git commit -m "master modifies a and d/e" &&
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c1=$(git rev-parse --verify HEAD) &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o1 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o1 d/e" &&
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echo "100644 $o1 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'setup 2' '
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rm -rf [abcd] &&
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git checkout side &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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echo goodbye >>a &&
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o2=$(git hash-object a) &&
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git add a &&
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test_tick &&
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git commit -m "side modifies a" &&
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c2=$(git rev-parse --verify HEAD) &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o2 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o2 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'setup 3' '
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rm -rf [abcd] &&
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git checkout df-1 &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
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o3=$(git hash-object b/c) &&
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test_tick &&
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git commit -m "df-1 makes b/c" &&
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c3=$(git rev-parse --verify HEAD) &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o3 b/c" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o3 0 b/c" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'setup 4' '
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rm -rf [abcd] &&
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git checkout df-2 &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
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o4=$(git hash-object a/c) &&
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test_tick &&
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git commit -m "df-2 makes a/c" &&
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c4=$(git rev-parse --verify HEAD) &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o4 a/c" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o4 0 a/c" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'setup 5' '
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rm -rf [abcd] &&
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git checkout remove &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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rm -f b &&
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echo remove-conflict >a &&
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git add a &&
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git rm b &&
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o5=$(git hash-object a) &&
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test_tick &&
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git commit -m "remove removes b and modifies a" &&
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c5=$(git rev-parse --verify HEAD) &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o5 a" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o5 0 a" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'setup 6' '
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rm -rf [abcd] &&
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git checkout df-3 &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o0 d/e" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o0 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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rm -fr d && echo df-3 >d && git add d &&
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o6=$(git hash-object d) &&
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test_tick &&
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git commit -m "df-3 makes d" &&
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c6=$(git rev-parse --verify HEAD) &&
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( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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(
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echo "100644 blob $o0 a" &&
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echo "100644 blob $o0 b" &&
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echo "100644 blob $o0 c" &&
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echo "100644 blob $o6 d" &&
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echo "100644 $o0 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o6 0 d"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'setup 7' '
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git checkout submod &&
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git rm d/e &&
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test_tick &&
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git commit -m "remove d/e" &&
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git update-index --add --cacheinfo 160000 $c1 d &&
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test_tick &&
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git commit -m "make d/ a submodule"
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'
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test_expect_success 'setup 8' '
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git checkout rename &&
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git mv a e &&
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git add e &&
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test_tick &&
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git commit -m "rename a->e" &&
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c7=$(git rev-parse --verify HEAD) &&
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git checkout rename-ln &&
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git mv a e &&
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test_ln_s_add e a &&
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test_tick &&
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git commit -m "rename a->e, symlink a->e" &&
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oln=$(printf e | git hash-object --stdin)
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'
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test_expect_success 'setup 9' '
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git checkout copy &&
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cp a e &&
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git add e &&
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test_tick &&
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git commit -m "copy a->e"
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'
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test_expect_success 'merge-recursive simple' '
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rm -fr [abcd] &&
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git checkout -f "$c2" &&
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test_expect_code 1 git merge-recursive "$c0" -- "$c2" "$c1"
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'
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test_expect_success 'merge-recursive result' '
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git ls-files -s >actual &&
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(
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echo "100644 $o0 1 a" &&
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echo "100644 $o2 2 a" &&
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echo "100644 $o1 3 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'fail if the index has unresolved entries' '
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rm -fr [abcd] &&
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git checkout -f "$c1" &&
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test_must_fail git merge "$c5" &&
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test_must_fail git merge "$c5" 2> out &&
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test_i18ngrep "not possible because you have unmerged files" out &&
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git add -u &&
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test_must_fail git merge "$c5" 2> out &&
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test_i18ngrep "You have not concluded your merge" out &&
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rm -f .git/MERGE_HEAD &&
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test_must_fail git merge "$c5" 2> out &&
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test_i18ngrep "Your local changes to the following files would be overwritten by merge:" out
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'
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test_expect_success 'merge-recursive remove conflict' '
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rm -fr [abcd] &&
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git checkout -f "$c1" &&
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test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c5"
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'
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test_expect_success 'merge-recursive remove conflict' '
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git ls-files -s >actual &&
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(
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echo "100644 $o0 1 a" &&
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echo "100644 $o1 2 a" &&
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echo "100644 $o5 3 a" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge-recursive d/f simple' '
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rm -fr [abcd] &&
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git reset --hard &&
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git checkout -f "$c1" &&
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git merge-recursive "$c0" -- "$c1" "$c3"
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'
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test_expect_success 'merge-recursive result' '
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 a" &&
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echo "100644 $o3 0 b/c" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge-recursive d/f conflict' '
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rm -fr [abcd] &&
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git reset --hard &&
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git checkout -f "$c1" &&
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test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c4"
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'
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test_expect_success 'merge-recursive d/f conflict result' '
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git ls-files -s >actual &&
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(
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echo "100644 $o0 1 a" &&
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echo "100644 $o1 2 a" &&
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echo "100644 $o4 0 a/c" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge-recursive d/f conflict the other way' '
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rm -fr [abcd] &&
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git reset --hard &&
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git checkout -f "$c4" &&
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test_expect_code 1 git merge-recursive "$c0" -- "$c4" "$c1"
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'
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test_expect_success 'merge-recursive d/f conflict result the other way' '
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git ls-files -s >actual &&
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(
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echo "100644 $o0 1 a" &&
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echo "100644 $o1 3 a" &&
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echo "100644 $o4 0 a/c" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge-recursive d/f conflict' '
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rm -fr [abcd] &&
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git reset --hard &&
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git checkout -f "$c1" &&
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test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c6"
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'
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test_expect_success 'merge-recursive d/f conflict result' '
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o6 3 d" &&
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echo "100644 $o0 1 d/e" &&
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echo "100644 $o1 2 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge-recursive d/f conflict' '
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rm -fr [abcd] &&
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git reset --hard &&
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git checkout -f "$c6" &&
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test_expect_code 1 git merge-recursive "$c0" -- "$c6" "$c1"
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'
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test_expect_success 'merge-recursive d/f conflict result' '
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o6 2 d" &&
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echo "100644 $o0 1 d/e" &&
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echo "100644 $o1 3 d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'reset and 3-way merge' '
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git reset --hard "$c2" &&
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git read-tree -m "$c0" "$c2" "$c1"
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'
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test_expect_success 'reset and bind merge' '
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git reset --hard master &&
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git read-tree --prefix=M/ master &&
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 M/a" &&
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echo "100644 $o0 0 M/b" &&
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echo "100644 $o0 0 M/c" &&
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echo "100644 $o1 0 M/d/e" &&
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echo "100644 $o1 0 a" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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git read-tree --prefix=a1/ master &&
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 M/a" &&
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echo "100644 $o0 0 M/b" &&
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echo "100644 $o0 0 M/c" &&
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echo "100644 $o1 0 M/d/e" &&
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echo "100644 $o1 0 a" &&
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echo "100644 $o1 0 a1/a" &&
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echo "100644 $o0 0 a1/b" &&
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echo "100644 $o0 0 a1/c" &&
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echo "100644 $o1 0 a1/d/e" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e"
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) >expected &&
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test_cmp expected actual &&
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git read-tree --prefix=z/ master &&
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git ls-files -s >actual &&
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(
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echo "100644 $o1 0 M/a" &&
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echo "100644 $o0 0 M/b" &&
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echo "100644 $o0 0 M/c" &&
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echo "100644 $o1 0 M/d/e" &&
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echo "100644 $o1 0 a" &&
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echo "100644 $o1 0 a1/a" &&
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echo "100644 $o0 0 a1/b" &&
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echo "100644 $o0 0 a1/c" &&
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echo "100644 $o1 0 a1/d/e" &&
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echo "100644 $o0 0 b" &&
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echo "100644 $o0 0 c" &&
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echo "100644 $o1 0 d/e" &&
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echo "100644 $o1 0 z/a" &&
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echo "100644 $o0 0 z/b" &&
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echo "100644 $o0 0 z/c" &&
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echo "100644 $o1 0 z/d/e"
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) >expected &&
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test_cmp expected actual
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'
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test_expect_success 'merge-recursive w/ empty work tree - ours has rename' '
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(
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GIT_WORK_TREE="$PWD/ours-has-rename-work" &&
|
|
export GIT_WORK_TREE &&
|
|
GIT_INDEX_FILE="$PWD/ours-has-rename-index" &&
|
|
export GIT_INDEX_FILE &&
|
|
mkdir "$GIT_WORK_TREE" &&
|
|
git read-tree -i -m $c7 2>actual-err &&
|
|
test_must_be_empty actual-err &&
|
|
git update-index --ignore-missing --refresh 2>actual-err &&
|
|
test_must_be_empty actual-err &&
|
|
git merge-recursive $c0 -- $c7 $c3 2>actual-err &&
|
|
test_must_be_empty actual-err &&
|
|
git ls-files -s >actual-files 2>actual-err &&
|
|
test_must_be_empty actual-err
|
|
) &&
|
|
cat >expected-files <<-EOF &&
|
|
100644 $o3 0 b/c
|
|
100644 $o0 0 c
|
|
100644 $o0 0 d/e
|
|
100644 $o0 0 e
|
|
EOF
|
|
test_cmp expected-files actual-files
|
|
'
|
|
|
|
test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' '
|
|
(
|
|
GIT_WORK_TREE="$PWD/theirs-has-rename-work" &&
|
|
export GIT_WORK_TREE &&
|
|
GIT_INDEX_FILE="$PWD/theirs-has-rename-index" &&
|
|
export GIT_INDEX_FILE &&
|
|
mkdir "$GIT_WORK_TREE" &&
|
|
git read-tree -i -m $c3 2>actual-err &&
|
|
test_must_be_empty actual-err &&
|
|
git update-index --ignore-missing --refresh 2>actual-err &&
|
|
test_must_be_empty actual-err &&
|
|
git merge-recursive $c0 -- $c3 $c7 2>actual-err &&
|
|
test_must_be_empty actual-err &&
|
|
git ls-files -s >actual-files 2>actual-err &&
|
|
test_must_be_empty actual-err
|
|
) &&
|
|
cat >expected-files <<-EOF &&
|
|
100644 $o3 0 b/c
|
|
100644 $o0 0 c
|
|
100644 $o0 0 d/e
|
|
100644 $o0 0 e
|
|
EOF
|
|
test_cmp expected-files actual-files
|
|
'
|
|
|
|
test_expect_success 'merge removes empty directories' '
|
|
|
|
git reset --hard master &&
|
|
git checkout -b rm &&
|
|
git rm d/e &&
|
|
git commit -mremoved-d/e &&
|
|
git checkout master &&
|
|
git merge -s recursive rm &&
|
|
test_must_fail test -d d
|
|
'
|
|
|
|
test_expect_success 'merge-recursive simple w/submodule' '
|
|
|
|
git checkout submod &&
|
|
git merge remove
|
|
'
|
|
|
|
test_expect_success 'merge-recursive simple w/submodule result' '
|
|
|
|
git ls-files -s >actual &&
|
|
(
|
|
echo "100644 $o5 0 a" &&
|
|
echo "100644 $o0 0 c" &&
|
|
echo "160000 $c1 0 d"
|
|
) >expected &&
|
|
test_cmp expected actual
|
|
'
|
|
|
|
test_expect_success 'merge-recursive copy vs. rename' '
|
|
git checkout -f copy &&
|
|
git merge rename &&
|
|
( git ls-tree -r HEAD && git ls-files -s ) >actual &&
|
|
(
|
|
echo "100644 blob $o0 b" &&
|
|
echo "100644 blob $o0 c" &&
|
|
echo "100644 blob $o0 d/e" &&
|
|
echo "100644 blob $o0 e" &&
|
|
echo "100644 $o0 0 b" &&
|
|
echo "100644 $o0 0 c" &&
|
|
echo "100644 $o0 0 d/e" &&
|
|
echo "100644 $o0 0 e"
|
|
) >expected &&
|
|
test_cmp expected actual
|
|
'
|
|
|
|
test_expect_failure 'merge-recursive rename vs. rename/symlink' '
|
|
|
|
git checkout -f rename &&
|
|
git merge rename-ln &&
|
|
( git ls-tree -r HEAD && git ls-files -s ) >actual &&
|
|
(
|
|
echo "120000 blob $oln a" &&
|
|
echo "100644 blob $o0 b" &&
|
|
echo "100644 blob $o0 c" &&
|
|
echo "100644 blob $o0 d/e" &&
|
|
echo "100644 blob $o0 e" &&
|
|
echo "120000 $oln 0 a" &&
|
|
echo "100644 $o0 0 b" &&
|
|
echo "100644 $o0 0 c" &&
|
|
echo "100644 $o0 0 d/e" &&
|
|
echo "100644 $o0 0 e"
|
|
) >expected &&
|
|
test_cmp expected actual
|
|
'
|
|
|
|
test_expect_success 'merging with triple rename across D/F conflict' '
|
|
git reset --hard HEAD &&
|
|
git checkout -b main &&
|
|
git rm -rf . &&
|
|
|
|
echo "just a file" >sub1 &&
|
|
mkdir -p sub2 &&
|
|
echo content1 >sub2/file1 &&
|
|
echo content2 >sub2/file2 &&
|
|
echo content3 >sub2/file3 &&
|
|
mkdir simple &&
|
|
echo base >simple/bar &&
|
|
git add -A &&
|
|
test_tick &&
|
|
git commit -m base &&
|
|
|
|
git checkout -b other &&
|
|
echo more >>simple/bar &&
|
|
test_tick &&
|
|
git commit -a -m changesimplefile &&
|
|
|
|
git checkout main &&
|
|
git rm sub1 &&
|
|
git mv sub2 sub1 &&
|
|
test_tick &&
|
|
git commit -m changefiletodir &&
|
|
|
|
test_tick &&
|
|
git merge other
|
|
'
|
|
|
|
test_expect_success 'merge-recursive remembers the names of all base trees' '
|
|
git reset --hard HEAD &&
|
|
|
|
# more trees than static slots used by oid_to_hex()
|
|
for commit in $c0 $c2 $c4 $c5 $c6 $c7
|
|
do
|
|
git rev-parse "$commit^{tree}"
|
|
done >trees &&
|
|
|
|
# ignore the return code -- it only fails because the input is weird
|
|
test_must_fail git -c merge.verbosity=5 merge-recursive $(cat trees) -- $c1 $c3 >out &&
|
|
|
|
# merge-recursive prints in reverse order, but we do not care
|
|
sort <trees >expect &&
|
|
sed -n "s/^virtual //p" out | sort >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'merge-recursive internal merge resolves to the sameness' '
|
|
git reset --hard HEAD &&
|
|
|
|
# We are going to create a history leading to two criss-cross
|
|
# branches A and B. The common ancestor at the bottom, O0,
|
|
# has two child commits O1 and O2, both of which will be merge
|
|
# base between A and B, like so:
|
|
#
|
|
# O1---A
|
|
# / \ /
|
|
# O0 .
|
|
# \ / \
|
|
# O2---B
|
|
#
|
|
# The recently added "check to see if the index is different from
|
|
# the tree into which something else is getting merged" check must
|
|
# NOT kick in when an inner merge between O1 and O2 is made. Both
|
|
# O1 and O2 happen to have the same tree as O0 in this test to
|
|
# trigger the bug---whether the inner merge is made by merging O2
|
|
# into O1 or O1 into O2, their common ancestor O0 and the branch
|
|
# being merged have the same tree. We should not trigger the "is
|
|
# the index dirty?" check in this case.
|
|
|
|
echo "zero" >file &&
|
|
git add file &&
|
|
test_tick &&
|
|
git commit -m "O0" &&
|
|
O0=$(git rev-parse HEAD) &&
|
|
|
|
test_tick &&
|
|
git commit --allow-empty -m "O1" &&
|
|
O1=$(git rev-parse HEAD) &&
|
|
|
|
git reset --hard $O0 &&
|
|
test_tick &&
|
|
git commit --allow-empty -m "O2" &&
|
|
O2=$(git rev-parse HEAD) &&
|
|
|
|
test_tick &&
|
|
git merge -s ours $O1 &&
|
|
B=$(git rev-parse HEAD) &&
|
|
|
|
git reset --hard $O1 &&
|
|
test_tick &&
|
|
git merge -s ours $O2 &&
|
|
A=$(git rev-parse HEAD) &&
|
|
|
|
git merge $B
|
|
'
|
|
|
|
test_done
|