git/t/t6411-merge-filemode.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

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#!/bin/sh
test_description='merge: handle file mode'
. ./test-lib.sh
test_expect_success 'set up mode change in one branch' '
: >file1 &&
git add file1 &&
git commit -m initial &&
git checkout -b a1 master &&
: >dummy &&
git add dummy &&
git commit -m a &&
git checkout -b b1 master &&
test_chmod +x file1 &&
git add file1 &&
git commit -m b1
'
do_one_mode () {
strategy=$1
us=$2
them=$3
test_expect_success "resolve single mode change ($strategy, $us)" '
git checkout -f $us &&
git merge -s $strategy $them &&
git ls-files -s file1 | grep ^100755
'
test_expect_success FILEMODE "verify executable bit on file ($strategy, $us)" '
test -x file1
'
}
do_one_mode recursive a1 b1
do_one_mode recursive b1 a1
do_one_mode resolve a1 b1
do_one_mode resolve b1 a1
test_expect_success 'set up mode change in both branches' '
git reset --hard HEAD &&
git checkout -b a2 master &&
: >file2 &&
H=$(git hash-object file2) &&
test_chmod +x file2 &&
git commit -m a2 &&
git checkout -b b2 master &&
: >file2 &&
git add file2 &&
git commit -m b2 &&
{
echo "100755 $H 2 file2"
echo "100644 $H 3 file2"
} >expect
'
do_both_modes () {
strategy=$1
test_expect_success "detect conflict on double mode change ($strategy)" '
git reset --hard &&
git checkout -f a2 &&
test_must_fail git merge -s $strategy b2 &&
git ls-files -u >actual &&
test_cmp expect actual &&
git ls-files -s file2 | grep ^100755
'
test_expect_success FILEMODE "verify executable bit on file ($strategy)" '
test -x file2
'
}
# both sides are equivalent, so no need to run both ways
do_both_modes recursive
do_both_modes resolve
test_expect_success 'set up delete/modechange scenario' '
git reset --hard &&
git checkout -b deletion master &&
git rm file1 &&
git commit -m deletion
'
do_delete_modechange () {
strategy=$1
us=$2
them=$3
test_expect_success "detect delete/modechange conflict ($strategy, $us)" '
git reset --hard &&
git checkout $us &&
test_must_fail git merge -s $strategy $them
'
}
do_delete_modechange recursive b1 deletion
do_delete_modechange recursive deletion b1
do_delete_modechange resolve b1 deletion
do_delete_modechange resolve deletion b1
test_done