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git-merge-one-file: fix longstanding stupid thinko 

When a merge result creates a new file, and when our side already has a
file in the path, taking the merge result may clobber the untracked file.
However, the logic to detect this situation was totally the wrong way.  We
should complain when the file exists, not when the file does not exist.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2008-03-17 16:47:18 -07:00
parent deda26b993
commit 29dc133198
2 changed files with 49 additions and 2 deletions
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5
git-merge-one-file.sh
View File

@ -48,10 +48,11 @@ case "${1:-.}${2:-.}${3:-.}" in
;;
"..$3")
echo "Adding $4"
test -f "$4" || {
if test -f "$4"
then
echo "ERROR: untracked $4 is overwritten by the merge."
exit 1
}
fi
git update-index --add --cacheinfo "$7" "$3" "$4" &&
exec git checkout-index -u -f -- "$4"
;;

46
t/t1004-read-tree-m-u-wf.sh
View File

@ -157,4 +157,50 @@ test_expect_success '3-way not overwriting local changes (their side)' '
'
test_expect_success 'D/F setup' '
git reset --hard &&
git checkout side-a &&
rm -f subdir/file2 &&
mkdir subdir/file2 &&
echo qfwfq >subdir/file2/another &&
git add subdir/file2/another &&
test_tick &&
git commit -m "side-a changes file2 to directory"
'
test_expect_success 'D/F' '
git checkout side-b &&
git read-tree -m -u branch-point side-b side-a &&
git ls-files -u >actual &&
(
a=$(git rev-parse branch-point:subdir/file2)
b=$(git rev-parse side-a:subdir/file2/another)
echo "100644 $a 1 subdir/file2"
echo "100644 $a 2 subdir/file2"
echo "100644 $b 3 subdir/file2/another"
) >expect &&
test_cmp actual expect
'
test_expect_success 'D/F resolve' '
git reset --hard &&
git checkout side-b &&
git merge-resolve branch-point -- side-b side-a
'
test_expect_success 'D/F recursive' '
git reset --hard &&
git checkout side-b &&
git merge-recursive branch-point -- side-b side-a
'
test_done