t / t3507-cherry-pick-conflict.shon commit t6032: Add a test checking for excessive output from merge (df0b99f)
   1#!/bin/sh
   2
   3test_description='test cherry-pick and revert with conflicts
   4
   5  -
   6  + picked: rewrites foo to c
   7  + base: rewrites foo to b
   8  + initial: writes foo as a, unrelated as unrelated
   9
  10'
  11
  12. ./test-lib.sh
  13
  14test_expect_success setup '
  15
  16        echo unrelated >unrelated &&
  17        git add unrelated &&
  18        test_commit initial foo a &&
  19        test_commit base foo b &&
  20        test_commit picked foo c &&
  21        git config advice.detachedhead false
  22
  23'
  24
  25test_expect_success 'failed cherry-pick does not advance HEAD' '
  26
  27        git checkout -f initial^0 &&
  28        git read-tree -u --reset HEAD &&
  29        git clean -d -f -f -q -x &&
  30
  31        git update-index --refresh &&
  32        git diff-index --exit-code HEAD &&
  33
  34        head=$(git rev-parse HEAD) &&
  35        test_must_fail git cherry-pick picked &&
  36        newhead=$(git rev-parse HEAD) &&
  37
  38        test "$head" = "$newhead"
  39'
  40
  41test_expect_success 'advice from failed cherry-pick' "
  42        git checkout -f initial^0 &&
  43        git read-tree -u --reset HEAD &&
  44        git clean -d -f -f -q -x &&
  45
  46        git update-index --refresh &&
  47        git diff-index --exit-code HEAD &&
  48
  49        picked=\$(git rev-parse --short picked) &&
  50        cat <<-EOF >expected &&
  51        error: could not apply \$picked... picked
  52        hint: after resolving the conflicts, mark the corrected paths
  53        hint: with 'git add <paths>' or 'git rm <paths>'
  54        hint: and commit the result with 'git commit -c \$picked'
  55        EOF
  56        test_must_fail git cherry-pick picked 2>actual &&
  57
  58        test_cmp expected actual
  59"
  60
  61test_expect_success 'failed cherry-pick produces dirty index' '
  62
  63        git checkout -f initial^0 &&
  64        git read-tree -u --reset HEAD &&
  65        git clean -d -f -f -q -x &&
  66
  67        git update-index --refresh &&
  68        git diff-index --exit-code HEAD &&
  69
  70        test_must_fail git cherry-pick picked &&
  71
  72        test_must_fail git update-index --refresh -q &&
  73        test_must_fail git diff-index --exit-code HEAD
  74'
  75
  76test_expect_success 'failed cherry-pick registers participants in index' '
  77
  78        git read-tree -u --reset HEAD &&
  79        git clean -d -f -f -q -x &&
  80        {
  81                git checkout base -- foo &&
  82                git ls-files --stage foo &&
  83                git checkout initial -- foo &&
  84                git ls-files --stage foo &&
  85                git checkout picked -- foo &&
  86                git ls-files --stage foo
  87        } > stages &&
  88        sed "
  89                1 s/ 0  / 1     /
  90                2 s/ 0  / 2     /
  91                3 s/ 0  / 3     /
  92        " < stages > expected &&
  93        git checkout -f initial^0 &&
  94
  95        git update-index --refresh &&
  96        git diff-index --exit-code HEAD &&
  97
  98        test_must_fail git cherry-pick picked &&
  99        git ls-files --stage --unmerged > actual &&
 100
 101        test_cmp expected actual
 102'
 103
 104test_expect_success 'failed cherry-pick describes conflict in work tree' '
 105
 106        git checkout -f initial^0 &&
 107        git read-tree -u --reset HEAD &&
 108        git clean -d -f -f -q -x &&
 109        cat <<-EOF > expected &&
 110        <<<<<<< HEAD
 111        a
 112        =======
 113        c
 114        >>>>>>> objid picked
 115        EOF
 116
 117        git update-index --refresh &&
 118        git diff-index --exit-code HEAD &&
 119
 120        test_must_fail git cherry-pick picked &&
 121
 122        sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
 123        test_cmp expected actual
 124'
 125
 126test_expect_success 'diff3 -m style' '
 127
 128        git config merge.conflictstyle diff3 &&
 129        git checkout -f initial^0 &&
 130        git read-tree -u --reset HEAD &&
 131        git clean -d -f -f -q -x &&
 132        cat <<-EOF > expected &&
 133        <<<<<<< HEAD
 134        a
 135        ||||||| parent of objid picked
 136        b
 137        =======
 138        c
 139        >>>>>>> objid picked
 140        EOF
 141
 142        git update-index --refresh &&
 143        git diff-index --exit-code HEAD &&
 144
 145        test_must_fail git cherry-pick picked &&
 146
 147        sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
 148        test_cmp expected actual
 149'
 150
 151test_expect_success 'revert also handles conflicts sanely' '
 152
 153        git config --unset merge.conflictstyle &&
 154        git read-tree -u --reset HEAD &&
 155        git clean -d -f -f -q -x &&
 156        cat <<-EOF > expected &&
 157        <<<<<<< HEAD
 158        a
 159        =======
 160        b
 161        >>>>>>> parent of objid picked
 162        EOF
 163        {
 164                git checkout picked -- foo &&
 165                git ls-files --stage foo &&
 166                git checkout initial -- foo &&
 167                git ls-files --stage foo &&
 168                git checkout base -- foo &&
 169                git ls-files --stage foo
 170        } > stages &&
 171        sed "
 172                1 s/ 0  / 1     /
 173                2 s/ 0  / 2     /
 174                3 s/ 0  / 3     /
 175        " < stages > expected-stages &&
 176        git checkout -f initial^0 &&
 177
 178        git update-index --refresh &&
 179        git diff-index --exit-code HEAD &&
 180
 181        head=$(git rev-parse HEAD) &&
 182        test_must_fail git revert picked &&
 183        newhead=$(git rev-parse HEAD) &&
 184        git ls-files --stage --unmerged > actual-stages &&
 185
 186        test "$head" = "$newhead" &&
 187        test_must_fail git update-index --refresh -q &&
 188        test_must_fail git diff-index --exit-code HEAD &&
 189        test_cmp expected-stages actual-stages &&
 190        sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
 191        test_cmp expected actual
 192'
 193
 194test_expect_success 'revert conflict, diff3 -m style' '
 195        git config merge.conflictstyle diff3 &&
 196        git checkout -f initial^0 &&
 197        git read-tree -u --reset HEAD &&
 198        git clean -d -f -f -q -x &&
 199        cat <<-EOF > expected &&
 200        <<<<<<< HEAD
 201        a
 202        ||||||| objid picked
 203        c
 204        =======
 205        b
 206        >>>>>>> parent of objid picked
 207        EOF
 208
 209        git update-index --refresh &&
 210        git diff-index --exit-code HEAD &&
 211
 212        test_must_fail git revert picked &&
 213
 214        sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
 215        test_cmp expected actual
 216'
 217
 218test_done