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git/t/t6417-merge-ours-theirs.sh
Elijah Newren 919df31955 Collect merge-related tests to t64xx
The tests for the merge machinery are spread over several places.
Collect them into t64xx for simplicity.  Some notes:

t60[234]*.sh:
  Merge tests started in t602*, overgrew bisect and remote tracking
  tests in t6030, t6040, and t6041, and nearly overtook replace tests
  in t6050.  This made picking out relevant tests that I wanted to run
  in a tighter loop slightly more annoying for years.

t303*.sh:
  These started out as tests for the 'merge-recursive' toplevel command,
  but did not restrict to that and had lots of overlap with the
  underlying merge machinery.
t7405, t7613:
  submodule-specific merge logic started out in submodule.c but was
  moved to merge-recursive.c in commit 18cfc08866 ("submodule.c: move
  submodule merging to merge-recursive.c", 2018-05-15).  Since these
  tests are about the logic found in the merge machinery, moving these
  tests to be with the merge tests makes sense.

t7607, t7609:
  Having tests spread all over the place makes it more likely that
  additional tests related to a certain piece of logic grow in all those
  other places.  Much like t303*.sh, these two tests were about the
  underlying merge machinery rather than outer levels.

Tests that were NOT moved:

t76[01]*.sh:
  Other than the four tests mentioned above, the remaining tests in
  t76[01]*.sh are related to non-recursive merge strategies, parameter
  parsing, and other stuff associated with the highlevel builtin/merge.c
  rather than the recursive merge machinery.

t3[45]*.sh:
  The rebase testcases in t34*.sh also test the merge logic pretty
  heavily; sometimes changes I make only trigger failures in the rebase
  tests.  The rebase tests are already nicely coupled together, though,
  and I didn't want to mess that up.  Similar comments apply for the
  cherry-pick tests in t35*.sh.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-10 15:59:00 -07:00

109 lines
2.6 KiB
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Executable File

#!/bin/sh
test_description='Merge-recursive ours and theirs variants'
. ./test-lib.sh
test_expect_success setup '
for i in 1 2 3 4 5 6 7 8 9
do
echo "$i"
done >file &&
git add file &&
cp file elif &&
git commit -m initial &&
sed -e "s/1/one/" -e "s/9/nine/" >file <elif &&
git commit -a -m ours &&
git checkout -b side HEAD^ &&
sed -e "s/9/nueve/" >file <elif &&
git commit -a -m theirs &&
git checkout master^0
'
test_expect_success 'plain recursive - should conflict' '
git reset --hard master &&
test_must_fail git merge -s recursive side &&
grep nine file &&
grep nueve file &&
! grep 9 file &&
grep one file &&
! grep 1 file
'
test_expect_success 'recursive favouring theirs' '
git reset --hard master &&
git merge -s recursive -Xtheirs side &&
! grep nine file &&
grep nueve file &&
! grep 9 file &&
grep one file &&
! grep 1 file
'
test_expect_success 'recursive favouring ours' '
git reset --hard master &&
git merge -s recursive -X ours side &&
grep nine file &&
! grep nueve file &&
! grep 9 file &&
grep one file &&
! grep 1 file
'
test_expect_success 'binary file with -Xours/-Xtheirs' '
echo file binary >.gitattributes &&
git reset --hard master &&
git merge -s recursive -X theirs side &&
git diff --exit-code side HEAD -- file &&
git reset --hard master &&
git merge -s recursive -X ours side &&
git diff --exit-code master HEAD -- file
'
test_expect_success 'pull passes -X to underlying merge' '
git reset --hard master && git pull -s recursive -Xours . side &&
git reset --hard master && git pull -s recursive -X ours . side &&
git reset --hard master && git pull -s recursive -Xtheirs . side &&
git reset --hard master && git pull -s recursive -X theirs . side &&
git reset --hard master && test_must_fail git pull -s recursive -X bork . side
'
test_expect_success SYMLINKS 'symlink with -Xours/-Xtheirs' '
git reset --hard master &&
git checkout -b two master &&
ln -s target-zero link &&
git add link &&
git commit -m "add link pointing to zero" &&
ln -f -s target-two link &&
git commit -m "add link pointing to two" link &&
git checkout -b one HEAD^ &&
ln -f -s target-one link &&
git commit -m "add link pointing to one" link &&
# we expect symbolic links not to resolve automatically, of course
git checkout one^0 &&
test_must_fail git merge -s recursive two &&
# favor theirs to resolve to target-two?
git reset --hard &&
git checkout one^0 &&
git merge -s recursive -X theirs two &&
git diff --exit-code two HEAD link &&
# favor ours to resolve to target-one?
git reset --hard &&
git checkout one^0 &&
git merge -s recursive -X ours two &&
git diff --exit-code one HEAD link
'
test_done