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#!/bin/sh
test_description='undoing resolution'
. ./test-lib.sh
check_resolve_undo () {
msg=$1
shift
while case $# in
0) break ;;
1|2|3) die "Bug in check-resolve-undo test" ;;
esac
do
path=$1
shift
for stage in 1 2 3
do
sha1=$1
shift
case "$sha1" in
'') continue ;;
esac
sha1=$(git rev-parse --verify "$sha1")
printf "100644 %s %s\t%s\n" $sha1 $stage $path
done
done >"$msg.expect" &&
git ls-files --resolve-undo >"$msg.actual" &&
test_cmp "$msg.expect" "$msg.actual"
}
prime_resolve_undo () {
git reset --hard &&
git checkout second^0 &&
test_tick &&
test_must_fail git merge third^0 &&
echo merge does not leave anything &&
check_resolve_undo empty &&
echo different >fi/le &&
git add fi/le &&
echo resolving records &&
check_resolve_undo recorded fi/le initial:fi/le second:fi/le third:fi/le
}
test_expect_success setup '
mkdir fi &&
printf "a\0a" >binary &&
git add binary &&
test_commit initial fi/le first &&
git branch side &&
git branch another &&
printf "a\0b" >binary &&
git add binary &&
test_commit second fi/le second &&
git checkout side &&
test_commit third fi/le third &&
git branch add-add &&
git checkout another &&
test_commit fourth fi/le fourth &&
git checkout add-add &&
test_commit fifth add-differently &&
git checkout master
'
test_expect_success 'add records switch clears' '
prime_resolve_undo &&
test_tick &&
git commit -m merged &&
echo committing keeps &&
check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
git checkout second^0 &&
echo switching clears &&
check_resolve_undo cleared
'
test_expect_success 'rm records reset clears' '
prime_resolve_undo &&
test_tick &&
git commit -m merged &&
echo committing keeps &&
check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
echo merge clears upfront &&
test_must_fail git merge fourth^0 &&
check_resolve_undo nuked &&
git rm -f fi/le &&
echo resolving records &&
check_resolve_undo recorded fi/le initial:fi/le HEAD:fi/le fourth:fi/le &&
git reset --hard &&
echo resetting discards &&
check_resolve_undo discarded
'
test_expect_success 'plumbing clears' '
prime_resolve_undo &&
test_tick &&
git commit -m merged &&
echo committing keeps &&
check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
echo plumbing clear &&
git update-index --clear-resolve-undo &&
check_resolve_undo cleared
'
test_expect_success 'add records checkout -m undoes' '
prime_resolve_undo &&
git diff HEAD &&
git checkout --conflict=merge fi/le &&
echo checkout used the record and removed it &&
check_resolve_undo removed &&
echo the index and the work tree is unmerged again &&
git diff >actual &&
grep "^++<<<<<<<" actual
'
test_expect_success 'unmerge with plumbing' '
prime_resolve_undo &&
git update-index --unresolve fi/le &&
git ls-files -u >actual &&
test_line_count = 3 actual
'
test_expect_success 'rerere and rerere forget' '
mkdir .git/rr-cache &&
prime_resolve_undo &&
echo record the resolution &&
git rerere &&
rerere_id=$(cd .git/rr-cache && echo */postimage) &&
rerere_id=${rerere_id%/postimage} &&
test -f .git/rr-cache/$rerere_id/postimage &&
git checkout -m fi/le &&
echo resurrect the conflict &&
grep "^=======" fi/le &&
echo reresolve the conflict &&
git rerere &&
test "z$(cat fi/le)" = zdifferent &&
echo register the resolution again &&
git add fi/le &&
check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
test -z "$(git ls-files -u)" &&
git rerere forget fi/le &&
! test -f .git/rr-cache/$rerere_id/postimage &&
tr "\0" "\n" <.git/MERGE_RR >actual &&
echo "$rerere_id fi/le" >expect &&
test_cmp expect actual
'
test_expect_success 'rerere and rerere forget (subdirectory)' '
rm -fr .git/rr-cache &&
mkdir .git/rr-cache &&
prime_resolve_undo &&
echo record the resolution &&
(cd fi && git rerere) &&
rerere_id=$(cd .git/rr-cache && echo */postimage) &&
rerere_id=${rerere_id%/postimage} &&
test -f .git/rr-cache/$rerere_id/postimage &&
(cd fi && git checkout -m le) &&
echo resurrect the conflict &&
grep "^=======" fi/le &&
echo reresolve the conflict &&
(cd fi && git rerere) &&
test "z$(cat fi/le)" = zdifferent &&
echo register the resolution again &&
(cd fi && git add le) &&
check_resolve_undo kept fi/le initial:fi/le second:fi/le third:fi/le &&
test -z "$(git ls-files -u)" &&
(cd fi && git rerere forget le) &&
! test -f .git/rr-cache/$rerere_id/postimage &&
tr "\0" "\n" <.git/MERGE_RR >actual &&
echo "$rerere_id fi/le" >expect &&
test_cmp expect actual
'
test_expect_success 'rerere forget (binary)' '
git checkout -f side &&
printf "a\0c" >binary &&
git commit -a -m binary &&
test_must_fail git merge second &&
git rerere forget binary
'
test_expect_success 'rerere forget (add-add conflict)' '
git checkout -f master &&
echo master >add-differently &&
git add add-differently &&
git commit -m "add differently" &&
test_must_fail git merge fifth &&
git rerere forget add-differently 2>actual &&
test_i18ngrep "no remembered" actual
'
test_done
|
