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![Alex Riesen](/assets/img/avatar_default.png)
Also leave a warning for future merge-recursive explorers. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
345 lines
7.9 KiB
Bash
Executable file
345 lines
7.9 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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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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git pull . white && {
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echo "BAD: should have conflicted"
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return 1
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}
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git ls-files -s
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test "$(git ls-files -u B | wc -l)" -eq 3 || {
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echo "BAD: should have left stages for B"
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return 1
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}
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test "$(git ls-files -s N | wc -l)" -eq 1 || {
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echo "BAD: should have merged N"
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return 1
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}
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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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echo "BAD: should have listed our change first"
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return 1
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}
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test "$(git diff white N | wc -l)" -eq 0 || {
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echo "BAD: should have taken colored branch"
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return 1
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}
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'
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test_expect_success 'pull renaming branch into another renaming one' \
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'
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rm -f B
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git reset --hard
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git checkout red
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git pull . white && {
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echo "BAD: should have conflicted"
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return 1
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}
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test "$(git ls-files -u B | wc -l)" -eq 3 || {
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echo "BAD: should have left stages"
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return 1
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}
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test "$(git ls-files -s N | wc -l)" -eq 1 || {
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echo "BAD: should have merged N"
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return 1
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}
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sed -ne "/^g/{
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p
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q
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}" B | grep red || {
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echo "BAD: should have listed our change first"
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return 1
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}
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test "$(git diff white N | wc -l)" -eq 0 || {
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echo "BAD: should have taken colored branch"
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return 1
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}
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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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git pull . master && {
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echo "BAD: should have conflicted"
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return 1
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}
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test "$(git ls-files -u B | wc -l)" -eq 3 || {
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echo "BAD: should have left stages"
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return 1
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}
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test "$(git ls-files -s N | wc -l)" -eq 1 || {
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echo "BAD: should have merged N"
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return 1
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}
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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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echo "BAD: should have listed our change first"
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return 1
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}
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test "$(git diff white N | wc -l)" -eq 0 || {
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echo "BAD: should have taken colored branch"
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return 1
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}
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'
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test_expect_success 'pull conflicting renames' \
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'
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git reset --hard
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git show-branch
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git pull . blue && {
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echo "BAD: should have conflicted"
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return 1
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}
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test "$(git ls-files -u A | wc -l)" -eq 1 || {
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echo "BAD: should have left a stage"
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return 1
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}
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test "$(git ls-files -u B | wc -l)" -eq 1 || {
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echo "BAD: should have left a stage"
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return 1
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}
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test "$(git ls-files -u C | wc -l)" -eq 1 || {
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echo "BAD: should have left a stage"
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return 1
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}
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test "$(git ls-files -s N | wc -l)" -eq 1 || {
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echo "BAD: should have merged N"
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return 1
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}
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sed -ne "/^g/{
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p
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q
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}" B | grep red || {
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echo "BAD: should have listed our change first"
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return 1
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}
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test "$(git diff white N | wc -l)" -eq 0 || {
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echo "BAD: should have taken colored branch"
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return 1
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}
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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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git pull . white && {
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echo "BAD: should have conflicted"
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return 1
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}
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test -f A || {
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echo "BAD: should have left A intact"
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return 1
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}
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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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git pull . red && {
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echo "BAD: should have conflicted"
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return 1
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}
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test -f A || {
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echo "BAD: should have left A intact"
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return 1
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}
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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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echo "BAD: should have cleanly merged"
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return 1
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}
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test -f M && {
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echo "BAD: should have removed M"
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return 1
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}
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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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git pull . yellow && {
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echo "BAD: should have complained"
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return 1
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}
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diff M M.saved || {
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echo "BAD: should have left M intact"
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return 1
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}
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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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git pull . yellow && {
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echo "BAD: should have complained"
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return 1
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}
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diff M M.saved || {
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echo "BAD: should have left M intact"
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return 1
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}
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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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echo "BAD: should have cleanly merged"
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return 1
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}
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test -f M || {
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echo "BAD: should have left M intact"
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return 1
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}
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git ls-files -s | grep M && {
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echo "BAD: M must be untracked in the result"
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return 1
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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_done
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