mirror of
https://github.com/git/git.git
synced 2024-12-14 20:33:46 +08:00
5423d2e700
When a submodule is being merged or cherry-picked into a working
tree that already contains a corresponding empty directory, do not
record a conflict.
One situation where this bug appears is:
- Commit 1 adds a submodule
- Commit 2 removes that submodule and re-adds it into a subdirectory
(sub1 to sub1/sub1).
- Commit 3 adds an unrelated file.
Now the user checks out commit 1 (first deinitializing the submodule),
and attempts to cherry-pick commit 3. Previously, this would fail,
because the incoming submodule sub1/sub1 would falsely conflict with
the empty sub1 directory.
This patch ignores the empty sub1 directory, fixing the bug. We only
ignore the empty directory if the object being emplaced is a
submodule, which expects an empty directory.
Signed-off-by: David Turner <dturner@twosigma.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
682 lines
15 KiB
Bash
Executable File
682 lines
15 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 $o1 0 z/d/e"
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) >expected &&
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test_cmp expected actual
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|
|
'
|
|
|
|
test_expect_success 'merge-recursive w/ empty work tree - ours has rename' '
|
|
(
|
|
GIT_WORK_TREE="$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 &&
|
|
git update-index --ignore-missing --refresh &&
|
|
git merge-recursive $c0 -- $c7 $c3 &&
|
|
git ls-files -s >actual-files
|
|
) 2>actual-err &&
|
|
>expected-err &&
|
|
cat >expected-files <<-EOF &&
|
|
100644 $o3 0 b/c
|
|
100644 $o0 0 c
|
|
100644 $o0 0 d/e
|
|
100644 $o0 0 e
|
|
EOF
|
|
test_cmp expected-files actual-files &&
|
|
test_cmp expected-err actual-err
|
|
'
|
|
|
|
test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' '
|
|
(
|
|
GIT_WORK_TREE="$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 &&
|
|
git update-index --ignore-missing --refresh &&
|
|
git merge-recursive $c0 -- $c3 $c7 &&
|
|
git ls-files -s >actual-files
|
|
) 2>actual-err &&
|
|
>expected-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_cmp expected-err actual-err
|
|
'
|
|
|
|
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_done
|