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6db41050a3
As the band-aid to merge-recursive seems to regress complex merges in an
unpleasant way. The merge-recursive implementation needs to be rewritten
in such a way that it resolves renames and D/F conflicts entirely in-core
and not to touch working tree at all while doing so. But in the meantime,
this reverts commit ac9666f84 that merged the topic in its entirety.
612 lines
16 KiB
Bash
Executable file
612 lines
16 KiB
Bash
Executable file
#!/bin/sh
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test_description='Merge-recursive merging renames'
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. ./test-lib.sh
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modify () {
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sed -e "$1" <"$2" >"$2.x" &&
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mv "$2.x" "$2"
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}
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test_expect_success setup \
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'
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cat >A <<\EOF &&
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a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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c cccccccccccccccccccccccccccccccccccccccccccccccc
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d dddddddddddddddddddddddddddddddddddddddddddddddd
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e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
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f ffffffffffffffffffffffffffffffffffffffffffffffff
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g gggggggggggggggggggggggggggggggggggggggggggggggg
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h hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
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i iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
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j jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
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k kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
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l llllllllllllllllllllllllllllllllllllllllllllllll
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m mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
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n nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
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o oooooooooooooooooooooooooooooooooooooooooooooooo
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EOF
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cat >M <<\EOF &&
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A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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B BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
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C CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
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D DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
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E EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
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F FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
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G GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
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H HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
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I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
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J JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ
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K KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
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L LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
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M MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
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N NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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O OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
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EOF
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git add A M &&
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git commit -m "initial has A and M" &&
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git branch white &&
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git branch red &&
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git branch blue &&
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git branch yellow &&
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git branch change &&
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git branch change+rename &&
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sed -e "/^g /s/.*/g : master changes a line/" <A >A+ &&
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mv A+ A &&
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git commit -a -m "master updates A" &&
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git checkout yellow &&
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rm -f M &&
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git commit -a -m "yellow removes M" &&
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git checkout white &&
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sed -e "/^g /s/.*/g : white changes a line/" <A >B &&
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sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
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rm -f A M &&
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git update-index --add --remove A B M N &&
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git commit -m "white renames A->B, M->N" &&
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git checkout red &&
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sed -e "/^g /s/.*/g : red changes a line/" <A >B &&
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sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
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rm -f A M &&
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git update-index --add --remove A B M N &&
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git commit -m "red renames A->B, M->N" &&
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git checkout blue &&
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sed -e "/^g /s/.*/g : blue changes a line/" <A >C &&
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sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
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rm -f A M &&
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git update-index --add --remove A C M N &&
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git commit -m "blue renames A->C, M->N" &&
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git checkout change &&
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sed -e "/^g /s/.*/g : changed line/" <A >A+ &&
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mv A+ A &&
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git commit -q -a -m "changed" &&
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git checkout change+rename &&
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sed -e "/^g /s/.*/g : changed line/" <A >B &&
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rm A &&
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git update-index --add B &&
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git commit -q -a -m "changed and renamed" &&
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git checkout master'
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test_expect_success 'pull renaming branch into unrenaming one' \
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'
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git show-branch &&
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test_expect_code 1 git pull . white &&
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git ls-files -s &&
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git ls-files -u B >b.stages &&
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test_line_count = 3 b.stages &&
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git ls-files -s N >n.stages &&
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test_line_count = 1 n.stages &&
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sed -ne "/^g/{
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p
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q
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}" B | grep master &&
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git diff --exit-code white N
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'
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test_expect_success 'pull renaming branch into another renaming one' \
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'
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rm -f B &&
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git reset --hard &&
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git checkout red &&
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test_expect_code 1 git pull . white &&
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git ls-files -u B >b.stages &&
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test_line_count = 3 b.stages &&
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git ls-files -s N >n.stages &&
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test_line_count = 1 n.stages &&
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sed -ne "/^g/{
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p
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q
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}" B | grep red &&
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git diff --exit-code white N
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'
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test_expect_success 'pull unrenaming branch into renaming one' \
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'
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git reset --hard &&
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git show-branch &&
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test_expect_code 1 git pull . master &&
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git ls-files -u B >b.stages &&
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test_line_count = 3 b.stages &&
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git ls-files -s N >n.stages &&
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test_line_count = 1 n.stages &&
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sed -ne "/^g/{
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p
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q
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}" B | grep red &&
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git diff --exit-code white N
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'
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test_expect_success 'pull conflicting renames' \
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'
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git reset --hard &&
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git show-branch &&
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test_expect_code 1 git pull . blue &&
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git ls-files -u A >a.stages &&
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test_line_count = 1 a.stages &&
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git ls-files -u B >b.stages &&
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test_line_count = 1 b.stages &&
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git ls-files -u C >c.stages &&
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test_line_count = 1 c.stages &&
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git ls-files -s N >n.stages &&
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test_line_count = 1 n.stages &&
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sed -ne "/^g/{
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p
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q
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}" B | grep red &&
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git diff --exit-code white N
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'
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test_expect_success 'interference with untracked working tree file' '
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git reset --hard &&
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git show-branch &&
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echo >A this file should not matter &&
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test_expect_code 1 git pull . white &&
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test_path_is_file A
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'
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test_expect_success 'interference with untracked working tree file' '
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git reset --hard &&
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git checkout white &&
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git show-branch &&
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rm -f A &&
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echo >A this file should not matter &&
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test_expect_code 1 git pull . red &&
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test_path_is_file A
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'
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test_expect_success 'interference with untracked working tree file' '
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git reset --hard &&
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rm -f A M &&
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git checkout -f master &&
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git tag -f anchor &&
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git show-branch &&
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git pull . yellow &&
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test_path_is_missing M &&
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git reset --hard anchor
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'
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test_expect_success 'updated working tree file should prevent the merge' '
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git reset --hard &&
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rm -f A M &&
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git checkout -f master &&
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git tag -f anchor &&
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git show-branch &&
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echo >>M one line addition &&
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cat M >M.saved &&
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test_expect_code 128 git pull . yellow &&
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test_cmp M M.saved &&
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rm -f M.saved
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'
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test_expect_success 'updated working tree file should prevent the merge' '
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git reset --hard &&
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rm -f A M &&
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git checkout -f master &&
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git tag -f anchor &&
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git show-branch &&
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echo >>M one line addition &&
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cat M >M.saved &&
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git update-index M &&
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test_expect_code 128 git pull . yellow &&
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test_cmp M M.saved &&
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rm -f M.saved
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'
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test_expect_success 'interference with untracked working tree file' '
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git reset --hard &&
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rm -f A M &&
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git checkout -f yellow &&
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git tag -f anchor &&
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git show-branch &&
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echo >M this file should not matter &&
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git pull . master &&
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test_path_is_file M &&
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! {
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git ls-files -s |
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grep M
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} &&
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git reset --hard anchor
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'
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test_expect_success 'merge of identical changes in a renamed file' '
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rm -f A M N &&
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git reset --hard &&
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git checkout change+rename &&
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GIT_MERGE_VERBOSITY=3 git merge change | grep "^Skipped B" &&
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git reset --hard HEAD^ &&
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git checkout change &&
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GIT_MERGE_VERBOSITY=3 git merge change+rename | grep "^Skipped B"
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'
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test_expect_success 'setup for rename + d/f conflicts' '
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git reset --hard &&
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git checkout --orphan dir-in-way &&
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git rm -rf . &&
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mkdir sub &&
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mkdir dir &&
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printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >sub/file &&
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echo foo >dir/file-in-the-way &&
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git add -A &&
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git commit -m "Common commmit" &&
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echo 11 >>sub/file &&
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echo more >>dir/file-in-the-way &&
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git add -u &&
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git commit -m "Commit to merge, with dir in the way" &&
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git checkout -b dir-not-in-way &&
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git reset --soft HEAD^ &&
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git rm -rf dir &&
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git commit -m "Commit to merge, with dir removed" -- dir sub/file &&
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git checkout -b renamed-file-has-no-conflicts dir-in-way~1 &&
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git rm -rf dir &&
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git rm sub/file &&
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printf "1\n2\n3\n4\n5555\n6\n7\n8\n9\n10\n" >dir &&
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git add dir &&
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git commit -m "Independent change" &&
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git checkout -b renamed-file-has-conflicts dir-in-way~1 &&
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git rm -rf dir &&
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git mv sub/file dir &&
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echo 12 >>dir &&
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git add dir &&
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git commit -m "Conflicting change"
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'
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printf "1\n2\n3\n4\n5555\n6\n7\n8\n9\n10\n11\n" >expected
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test_expect_success 'Rename+D/F conflict; renamed file merges + dir not in way' '
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git reset --hard &&
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git checkout -q renamed-file-has-no-conflicts^0 &&
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git merge --strategy=recursive dir-not-in-way &&
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git diff --quiet &&
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test -f dir &&
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test_cmp expected dir
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'
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test_expect_success 'Rename+D/F conflict; renamed file merges but dir in way' '
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git reset --hard &&
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rm -rf dir~* &&
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git checkout -q renamed-file-has-no-conflicts^0 &&
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test_must_fail git merge --strategy=recursive dir-in-way >output &&
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grep "CONFLICT (delete/modify): dir/file-in-the-way" output &&
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grep "Auto-merging dir" output &&
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grep "Adding as dir~HEAD instead" output &&
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test 2 -eq "$(git ls-files -u | wc -l)" &&
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test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
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test_must_fail git diff --quiet &&
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test_must_fail git diff --cached --quiet &&
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test -f dir/file-in-the-way &&
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test -f dir~HEAD &&
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test_cmp expected dir~HEAD
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'
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test_expect_success 'Same as previous, but merged other way' '
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git reset --hard &&
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rm -rf dir~* &&
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git checkout -q dir-in-way^0 &&
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test_must_fail git merge --strategy=recursive renamed-file-has-no-conflicts >output 2>errors &&
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! grep "error: refusing to lose untracked file at" errors &&
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grep "CONFLICT (delete/modify): dir/file-in-the-way" output &&
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grep "Auto-merging dir" output &&
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grep "Adding as dir~renamed-file-has-no-conflicts instead" output &&
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test 2 -eq "$(git ls-files -u | wc -l)" &&
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test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
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test_must_fail git diff --quiet &&
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test_must_fail git diff --cached --quiet &&
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test -f dir/file-in-the-way &&
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test -f dir~renamed-file-has-no-conflicts &&
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test_cmp expected dir~renamed-file-has-no-conflicts
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'
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cat >expected <<\EOF &&
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<<<<<<< HEAD
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12
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=======
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11
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>>>>>>> dir-not-in-way
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EOF
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test_expect_success 'Rename+D/F conflict; renamed file cannot merge, dir not in way' '
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git reset --hard &&
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rm -rf dir~* &&
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git checkout -q renamed-file-has-conflicts^0 &&
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test_must_fail git merge --strategy=recursive dir-not-in-way &&
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test 3 -eq "$(git ls-files -u | wc -l)" &&
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test 3 -eq "$(git ls-files -u dir | wc -l)" &&
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test_must_fail git diff --quiet &&
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test_must_fail git diff --cached --quiet &&
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test -f dir &&
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test_cmp expected dir
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'
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test_expect_success 'Rename+D/F conflict; renamed file cannot merge and dir in the way' '
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modify s/dir-not-in-way/dir-in-way/ expected &&
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git reset --hard &&
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rm -rf dir~* &&
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git checkout -q renamed-file-has-conflicts^0 &&
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test_must_fail git merge --strategy=recursive dir-in-way &&
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test 5 -eq "$(git ls-files -u | wc -l)" &&
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test 3 -eq "$(git ls-files -u dir | grep -v file-in-the-way | wc -l)" &&
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test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
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test_must_fail git diff --quiet &&
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test_must_fail git diff --cached --quiet &&
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test -f dir/file-in-the-way &&
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test -f dir~HEAD &&
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test_cmp expected dir~HEAD
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'
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cat >expected <<\EOF &&
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9
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<<<<<<< HEAD
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11
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=======
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12
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>>>>>>> renamed-file-has-conflicts
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EOF
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test_expect_success 'Same as previous, but merged other way' '
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git reset --hard &&
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rm -rf dir~* &&
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git checkout -q dir-in-way^0 &&
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test_must_fail git merge --strategy=recursive renamed-file-has-conflicts &&
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test 5 -eq "$(git ls-files -u | wc -l)" &&
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test 3 -eq "$(git ls-files -u dir | grep -v file-in-the-way | wc -l)" &&
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test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
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test_must_fail git diff --quiet &&
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test_must_fail git diff --cached --quiet &&
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test -f dir/file-in-the-way &&
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test -f dir~renamed-file-has-conflicts &&
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test_cmp expected dir~renamed-file-has-conflicts
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'
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test_expect_success 'setup both rename source and destination involved in D/F conflict' '
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git reset --hard &&
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git checkout --orphan rename-dest &&
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git rm -rf . &&
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git clean -fdqx &&
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mkdir one &&
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echo stuff >one/file &&
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git add -A &&
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git commit -m "Common commmit" &&
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git mv one/file destdir &&
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git commit -m "Renamed to destdir" &&
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git checkout -b source-conflict HEAD~1 &&
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git rm -rf one &&
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mkdir destdir &&
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touch one destdir/foo &&
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git add -A &&
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git commit -m "Conflicts in the way"
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'
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test_expect_success 'both rename source and destination involved in D/F conflict' '
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git reset --hard &&
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rm -rf dir~* &&
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git checkout -q rename-dest^0 &&
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test_must_fail git merge --strategy=recursive source-conflict &&
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test 1 -eq "$(git ls-files -u | wc -l)" &&
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test_must_fail git diff --quiet &&
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test -f destdir/foo &&
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test -f one &&
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test -f destdir~HEAD &&
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test "stuff" = "$(cat destdir~HEAD)"
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'
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test_expect_success 'setup pair rename to parent of other (D/F conflicts)' '
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git reset --hard &&
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git checkout --orphan rename-two &&
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git rm -rf . &&
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git clean -fdqx &&
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mkdir one &&
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mkdir two &&
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echo stuff >one/file &&
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echo other >two/file &&
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git add -A &&
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git commit -m "Common commmit" &&
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git rm -rf one &&
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git mv two/file one &&
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git commit -m "Rename two/file -> one" &&
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git checkout -b rename-one HEAD~1 &&
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git rm -rf two &&
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git mv one/file two &&
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rm -r one &&
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git commit -m "Rename one/file -> two"
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'
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test_expect_success 'pair rename to parent of other (D/F conflicts) w/ untracked dir' '
|
|
git checkout -q rename-one^0 &&
|
|
mkdir one &&
|
|
test_must_fail git merge --strategy=recursive rename-two &&
|
|
|
|
test 2 -eq "$(git ls-files -u | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u one | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u two | wc -l)" &&
|
|
|
|
test_must_fail git diff --quiet &&
|
|
|
|
test 4 -eq $(find . | grep -v .git | wc -l) &&
|
|
|
|
test -d one &&
|
|
test -f one~rename-two &&
|
|
test -f two &&
|
|
test "other" = $(cat one~rename-two) &&
|
|
test "stuff" = $(cat two)
|
|
'
|
|
|
|
test_expect_success 'pair rename to parent of other (D/F conflicts) w/ clean start' '
|
|
git reset --hard &&
|
|
git clean -fdqx &&
|
|
test_must_fail git merge --strategy=recursive rename-two &&
|
|
|
|
test 2 -eq "$(git ls-files -u | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u one | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u two | wc -l)" &&
|
|
|
|
test_must_fail git diff --quiet &&
|
|
|
|
test 3 -eq $(find . | grep -v .git | wc -l) &&
|
|
|
|
test -f one &&
|
|
test -f two &&
|
|
test "other" = $(cat one) &&
|
|
test "stuff" = $(cat two)
|
|
'
|
|
|
|
test_expect_success 'setup rename of one file to two, with directories in the way' '
|
|
git reset --hard &&
|
|
git checkout --orphan first-rename &&
|
|
git rm -rf . &&
|
|
git clean -fdqx &&
|
|
|
|
echo stuff >original &&
|
|
git add -A &&
|
|
git commit -m "Common commmit" &&
|
|
|
|
mkdir two &&
|
|
>two/file &&
|
|
git add two/file &&
|
|
git mv original one &&
|
|
git commit -m "Put two/file in the way, rename to one" &&
|
|
|
|
git checkout -b second-rename HEAD~1 &&
|
|
mkdir one &&
|
|
>one/file &&
|
|
git add one/file &&
|
|
git mv original two &&
|
|
git commit -m "Put one/file in the way, rename to two"
|
|
'
|
|
|
|
test_expect_success 'check handling of differently renamed file with D/F conflicts' '
|
|
git checkout -q first-rename^0 &&
|
|
test_must_fail git merge --strategy=recursive second-rename &&
|
|
|
|
test 5 -eq "$(git ls-files -s | wc -l)" &&
|
|
test 3 -eq "$(git ls-files -u | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u one | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u two | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u original | wc -l)" &&
|
|
test 2 -eq "$(git ls-files -o | wc -l)" &&
|
|
|
|
test -f one/file &&
|
|
test -f two/file &&
|
|
test -f one~HEAD &&
|
|
test -f two~second-rename &&
|
|
! test -f original
|
|
'
|
|
|
|
test_expect_success 'setup rename one file to two; directories moving out of the way' '
|
|
git reset --hard &&
|
|
git checkout --orphan first-rename-redo &&
|
|
git rm -rf . &&
|
|
git clean -fdqx &&
|
|
|
|
echo stuff >original &&
|
|
mkdir one two &&
|
|
touch one/file two/file &&
|
|
git add -A &&
|
|
git commit -m "Common commmit" &&
|
|
|
|
git rm -rf one &&
|
|
git mv original one &&
|
|
git commit -m "Rename to one" &&
|
|
|
|
git checkout -b second-rename-redo HEAD~1 &&
|
|
git rm -rf two &&
|
|
git mv original two &&
|
|
git commit -m "Rename to two"
|
|
'
|
|
|
|
test_expect_success 'check handling of differently renamed file with D/F conflicts' '
|
|
git checkout -q first-rename-redo^0 &&
|
|
test_must_fail git merge --strategy=recursive second-rename-redo &&
|
|
|
|
test 3 -eq "$(git ls-files -u | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u one | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u two | wc -l)" &&
|
|
test 1 -eq "$(git ls-files -u original | wc -l)" &&
|
|
test 0 -eq "$(git ls-files -o | wc -l)" &&
|
|
|
|
test -f one &&
|
|
test -f two &&
|
|
! test -f original
|
|
'
|
|
|
|
test_done
|