t/t2030-unresolve-info.sh

   1 #!/bin/sh
   2
   3 test_description='undoing resolution'
   4
   5 . ./test-lib.sh
   6
   7 check_resolve_undo () {
   8         msg=$1
   9         shift
  10         while case $# in
  11         0)      break ;;
  12         1|2|3)  die "Bug in check-resolve-undo test" ;;
  13         esac
  14         do
  15                 path=$1
  16                 shift
  17                 for stage in 1 2 3
  18                 do
  19                         sha1=$1
  20                         shift
  21                         case "$sha1" in
  22                         '') continue ;;
  23                         esac
  24                         sha1=$(git rev-parse --verify "$sha1")
  25                         printf "100644 %s %s\t%s\n" $sha1 $stage $path
  26                 done
  27         done >"$msg.expect" &&
  28         git ls-files --resolve-undo >"$msg.actual" &&
  29         test_cmp "$msg.expect" "$msg.actual"
  30 }
  31
  32 prime_resolve_undo () {
  33         git reset --hard &&
  34         git checkout second^0 &&
  35         test_tick &&
  36         test_must_fail git merge third^0 &&
  37         echo merge does not leave anything &&
  38         check_resolve_undo empty &&
  39         echo different >fi/le &&
  40         git add fi/le &&
  41         echo resolving records &&
  42         check_resolve_undo recorded fi/le initial:fi/le second:fi/le third:fi/le
  43 }
  44
  45 test_expect_success setup '
  46         mkdir fi &&
  47         test_commit initial fi/le first &&
  48         git branch side &&
  49         git branch another &&
  50         test_commit second fi/le second &&
  51         git checkout side &&
  52         test_commit third fi/le third &&
  53         git checkout another &&
  54         test_commit fourth fi/le fourth &&
  55         git checkout master
  56 '
  57
  58 test_expect_success 'add records switch clears' '
  59         prime_resolve_undo &&
  60         test_tick &&
  61         git commit -m merged &&
  62         echo committing keeps &&
  63         check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
  64         git checkout second^0 &&
  65         echo switching clears &&
  66         check_resolve_undo cleared
  67 '
  68
  69 test_expect_success 'rm records reset clears' '
  70         prime_resolve_undo &&
  71         test_tick &&
  72         git commit -m merged &&
  73         echo committing keeps &&
  74         check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
  75
  76         echo merge clears upfront &&
  77         test_must_fail git merge fourth^0 &&
  78         check_resolve_undo nuked &&
  79
  80         git rm -f fi/le &&
  81         echo resolving records &&
  82         check_resolve_undo recorded fi/le initial:fi/le HEAD:fi/le fourth:fi/le &&
  83
  84         git reset --hard &&
  85         echo resetting discards &&
  86         check_resolve_undo discarded
  87 '
  88
  89 test_expect_success 'plumbing clears' '
  90         prime_resolve_undo &&
  91         test_tick &&
  92         git commit -m merged &&
  93         echo committing keeps &&
  94         check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
  95
  96         echo plumbing clear &&
  97         git update-index --clear-resolve-undo &&
  98         check_resolve_undo cleared
  99 '
 100
 101 test_expect_success 'add records checkout -m undoes' '
 102         prime_resolve_undo &&
 103         git diff HEAD &&
 104         git checkout --conflict=merge fi/le &&
 105         echo checkout used the record and removed it &&
 106         check_resolve_undo removed &&
 107         echo the index and the work tree is unmerged again &&
 108         git diff >actual &&
 109         grep "^++<<<<<<<" actual
 110 '
 111
 112 test_expect_success 'unmerge with plumbing' '
 113         prime_resolve_undo &&
 114         git update-index --unresolve fi/le &&
 115         git ls-files -u >actual &&
 116         test $(wc -l <actual) = 3
 117 '
 118
 119 test_expect_success 'rerere and rerere forget' '
 120         mkdir .git/rr-cache &&
 121         prime_resolve_undo &&
 122         echo record the resolution &&
 123         git rerere &&
 124         rerere_id=$(cd .git/rr-cache && echo */postimage) &&
 125         rerere_id=${rerere_id%/postimage} &&
 126         test -f .git/rr-cache/$rerere_id/postimage &&
 127         git checkout -m fi/le &&
 128         echo resurrect the conflict &&
 129         grep "^=======" fi/le &&
 130         echo reresolve the conflict &&
 131         git rerere &&
 132         test "z$(cat fi/le)" = zdifferent &&
 133         echo register the resolution again &&
 134         git add fi/le &&
 135         check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
 136         test -z "$(git ls-files -u)" &&
 137         git rerere forget fi/le &&
 138         ! test -f .git/rr-cache/$rerere_id/postimage &&
 139         tr "\0" "\n" <.git/MERGE_RR >actual &&
 140         echo "$rerere_id        fi/le" >expect &&
 141         test_cmp expect actual
 142 '
 143
 144 test_expect_success 'rerere and rerere forget (subdirectory)' '
 145         rm -fr .git/rr-cache &&
 146         mkdir .git/rr-cache &&
 147         prime_resolve_undo &&
 148         echo record the resolution &&
 149         (cd fi && git rerere) &&
 150         rerere_id=$(cd .git/rr-cache && echo */postimage) &&
 151         rerere_id=${rerere_id%/postimage} &&
 152         test -f .git/rr-cache/$rerere_id/postimage &&
 153         (cd fi && git checkout -m le) &&
 154         echo resurrect the conflict &&
 155         grep "^=======" fi/le &&
 156         echo reresolve the conflict &&
 157         (cd fi && git rerere) &&
 158         test "z$(cat fi/le)" = zdifferent &&
 159         echo register the resolution again &&
 160         (cd fi && git add le) &&
 161         check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
 162         test -z "$(git ls-files -u)" &&
 163         (cd fi && git rerere forget le) &&
 164         ! test -f .git/rr-cache/$rerere_id/postimage &&
 165         tr "\0" "\n" <.git/MERGE_RR >actual &&
 166         echo "$rerere_id        fi/le" >expect &&
 167         test_cmp expect actual
 168 '
 169
 170 test_done