Andrew's git / gitweb.git / t/t6022-merge-rename.sh
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t / t6022-merge-rename.shon commit t3404 (rebase -i): introduce helper to check position of HEAD (5c947e2)
   1#!/bin/sh
   2
   3test_description='Merge-recursive merging renames'
   4. ./test-lib.sh
   5
   6test_expect_success setup \
   7'
   8cat >A <<\EOF &&
   9a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  10b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
  11c cccccccccccccccccccccccccccccccccccccccccccccccc
  12d dddddddddddddddddddddddddddddddddddddddddddddddd
  13e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
  14f ffffffffffffffffffffffffffffffffffffffffffffffff
  15g gggggggggggggggggggggggggggggggggggggggggggggggg
  16h hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
  17i iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
  18j jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
  19k kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
  20l llllllllllllllllllllllllllllllllllllllllllllllll
  21m mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
  22n nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
  23o oooooooooooooooooooooooooooooooooooooooooooooooo
  24EOF
  25
  26cat >M <<\EOF &&
  27A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
  28B BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
  29C CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
  30D DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
  31E EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
  32F FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
  33G GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
  34H HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
  35I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
  36J JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ
  37K KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
  38L LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
  39M MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
  40N NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
  41O OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
  42EOF
  43
  44git add A M &&
  45git commit -m "initial has A and M" &&
  46git branch white &&
  47git branch red &&
  48git branch blue &&
  49git branch yellow &&
  50git branch change &&
  51git branch change+rename &&
  52
  53sed -e "/^g /s/.*/g : master changes a line/" <A >A+ &&
  54mv A+ A &&
  55git commit -a -m "master updates A" &&
  56
  57git checkout yellow &&
  58rm -f M &&
  59git commit -a -m "yellow removes M" &&
  60
  61git checkout white &&
  62sed -e "/^g /s/.*/g : white changes a line/" <A >B &&
  63sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
  64rm -f A M &&
  65git update-index --add --remove A B M N &&
  66git commit -m "white renames A->B, M->N" &&
  67
  68git checkout red &&
  69sed -e "/^g /s/.*/g : red changes a line/" <A >B &&
  70sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
  71rm -f A M &&
  72git update-index --add --remove A B M N &&
  73git commit -m "red renames A->B, M->N" &&
  74
  75git checkout blue &&
  76sed -e "/^g /s/.*/g : blue changes a line/" <A >C &&
  77sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
  78rm -f A M &&
  79git update-index --add --remove A C M N &&
  80git commit -m "blue renames A->C, M->N" &&
  81
  82git checkout change &&
  83sed -e "/^g /s/.*/g : changed line/" <A >A+ &&
  84mv A+ A &&
  85git commit -q -a -m "changed" &&
  86
  87git checkout change+rename &&
  88sed -e "/^g /s/.*/g : changed line/" <A >B &&
  89rm A &&
  90git update-index --add B &&
  91git commit -q -a -m "changed and renamed" &&
  92
  93git checkout master'
  94
  95test_expect_success 'pull renaming branch into unrenaming one' \
  96'
  97        git show-branch &&
  98        test_expect_code 1 git pull . white &&
  99        git ls-files -s &&
 100        git ls-files -u B >b.stages &&
 101        test_line_count = 3 b.stages &&
 102        git ls-files -s N >n.stages &&
 103        test_line_count = 1 n.stages &&
 104        sed -ne "/^g/{
 105        p
 106        q
 107        }" B | grep master &&
 108        git diff --exit-code white N
 109'
 110
 111test_expect_success 'pull renaming branch into another renaming one' \
 112'
 113        rm -f B &&
 114        git reset --hard &&
 115        git checkout red &&
 116        test_expect_code 1 git pull . white &&
 117        git ls-files -u B >b.stages &&
 118        test_line_count = 3 b.stages &&
 119        git ls-files -s N >n.stages &&
 120        test_line_count = 1 n.stages &&
 121        sed -ne "/^g/{
 122        p
 123        q
 124        }" B | grep red &&
 125        git diff --exit-code white N
 126'
 127
 128test_expect_success 'pull unrenaming branch into renaming one' \
 129'
 130        git reset --hard &&
 131        git show-branch &&
 132        test_expect_code 1 git pull . master &&
 133        git ls-files -u B >b.stages &&
 134        test_line_count = 3 b.stages &&
 135        git ls-files -s N >n.stages &&
 136        test_line_count = 1 n.stages &&
 137        sed -ne "/^g/{
 138        p
 139        q
 140        }" B | grep red &&
 141        git diff --exit-code white N
 142'
 143
 144test_expect_success 'pull conflicting renames' \
 145'
 146        git reset --hard &&
 147        git show-branch &&
 148        test_expect_code 1 git pull . blue &&
 149        git ls-files -u A >a.stages &&
 150        test_line_count = 1 a.stages &&
 151        git ls-files -u B >b.stages &&
 152        test_line_count = 1 b.stages &&
 153        git ls-files -u C >c.stages &&
 154        test_line_count = 1 c.stages &&
 155        git ls-files -s N >n.stages &&
 156        test_line_count = 1 n.stages &&
 157        sed -ne "/^g/{
 158        p
 159        q
 160        }" B | grep red &&
 161        git diff --exit-code white N
 162'
 163
 164test_expect_success 'interference with untracked working tree file' '
 165        git reset --hard &&
 166        git show-branch &&
 167        echo >A this file should not matter &&
 168        test_expect_code 1 git pull . white &&
 169        test_path_is_file A
 170'
 171
 172test_expect_success 'interference with untracked working tree file' '
 173        git reset --hard &&
 174        git checkout white &&
 175        git show-branch &&
 176        rm -f A &&
 177        echo >A this file should not matter &&
 178        test_expect_code 1 git pull . red &&
 179        test_path_is_file A
 180'
 181
 182test_expect_success 'interference with untracked working tree file' '
 183        git reset --hard &&
 184        rm -f A M &&
 185        git checkout -f master &&
 186        git tag -f anchor &&
 187        git show-branch &&
 188        git pull . yellow &&
 189        test_path_is_missing M &&
 190        git reset --hard anchor
 191'
 192
 193test_expect_success 'updated working tree file should prevent the merge' '
 194        git reset --hard &&
 195        rm -f A M &&
 196        git checkout -f master &&
 197        git tag -f anchor &&
 198        git show-branch &&
 199        echo >>M one line addition &&
 200        cat M >M.saved &&
 201        test_expect_code 128 git pull . yellow &&
 202        test_cmp M M.saved &&
 203        rm -f M.saved
 204'
 205
 206test_expect_success 'updated working tree file should prevent the merge' '
 207        git reset --hard &&
 208        rm -f A M &&
 209        git checkout -f master &&
 210        git tag -f anchor &&
 211        git show-branch &&
 212        echo >>M one line addition &&
 213        cat M >M.saved &&
 214        git update-index M &&
 215        test_expect_code 128 git pull . yellow &&
 216        test_cmp M M.saved &&
 217        rm -f M.saved
 218'
 219
 220test_expect_success 'interference with untracked working tree file' '
 221        git reset --hard &&
 222        rm -f A M &&
 223        git checkout -f yellow &&
 224        git tag -f anchor &&
 225        git show-branch &&
 226        echo >M this file should not matter &&
 227        git pull . master &&
 228        test_path_is_file M &&
 229        ! {
 230                git ls-files -s |
 231                grep M
 232        } &&
 233        git reset --hard anchor
 234'
 235
 236test_expect_success 'merge of identical changes in a renamed file' '
 237        rm -f A M N &&
 238        git reset --hard &&
 239        git checkout change+rename &&
 240        GIT_MERGE_VERBOSITY=3 git merge change | grep "^Skipped B" &&
 241        git reset --hard HEAD^ &&
 242        git checkout change &&
 243        GIT_MERGE_VERBOSITY=3 git merge change+rename | grep "^Skipped B"
 244'
 245
 246test_done