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|
#!/bin/sh
test_description='avoid rewriting packed-refs unnecessarily'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# Add an identifying mark to the packed-refs file header line. This
# shouldn't upset readers, and it should be omitted if the file is
# ever rewritten.
mark_packed_refs () {
if test "$GIT_TEST_PACKED_REFS_VERSION" = "2"
then
size=$(wc -c < .git/packed-refs) &&
pos=$(expr $size - 4) &&
printf "FAKE" | dd of=".git/packed-refs" bs=1 seek="$pos" conv=notrunc
else
sed -e "s/^\(#.*\)/\1 t1409 /" .git/packed-refs >.git/packed-refs.new &&
mv .git/packed-refs.new .git/packed-refs
fi
}
# Verify that the packed-refs file is still marked.
check_packed_refs_marked () {
if test "$GIT_TEST_PACKED_REFS_VERSION" = "2"
then
size=$(wc -c < .git/packed-refs) &&
pos=$(expr $size - 4) &&
tail -c 4 .git/packed-refs >actual &&
printf "FAKE" >expect &&
test_cmp expect actual
else
grep -q '^#.* t1409 ' .git/packed-refs
fi
}
test_expect_success 'setup' '
git commit --allow-empty -m "Commit A" &&
A=$(git rev-parse HEAD) &&
git commit --allow-empty -m "Commit B" &&
B=$(git rev-parse HEAD) &&
git commit --allow-empty -m "Commit C" &&
C=$(git rev-parse HEAD)
'
test_expect_success 'do not create packed-refs file gratuitously' '
test_path_is_missing .git/packed-refs &&
git update-ref refs/heads/foo $A &&
test_path_is_missing .git/packed-refs &&
git update-ref refs/heads/foo $B &&
test_path_is_missing .git/packed-refs &&
git update-ref refs/heads/foo $C $B &&
test_path_is_missing .git/packed-refs &&
git update-ref -d refs/heads/foo &&
test_path_is_missing .git/packed-refs
'
test_expect_success 'check that marking the packed-refs file works' '
git for-each-ref >expected &&
git pack-refs --all &&
mark_packed_refs &&
check_packed_refs_marked &&
git for-each-ref >actual &&
test_cmp expected actual &&
git pack-refs --all &&
! check_packed_refs_marked &&
git for-each-ref >actual2 &&
test_cmp expected actual2
'
test_expect_success 'leave packed-refs untouched on update of packed' '
git update-ref refs/heads/packed-update $A &&
git pack-refs --all &&
mark_packed_refs &&
git update-ref refs/heads/packed-update $B &&
check_packed_refs_marked
'
test_expect_success 'leave packed-refs untouched on checked update of packed' '
git update-ref refs/heads/packed-checked-update $A &&
git pack-refs --all &&
mark_packed_refs &&
git update-ref refs/heads/packed-checked-update $B $A &&
check_packed_refs_marked
'
test_expect_success 'leave packed-refs untouched on verify of packed' '
git update-ref refs/heads/packed-verify $A &&
git pack-refs --all &&
mark_packed_refs &&
echo "verify refs/heads/packed-verify $A" | git update-ref --stdin &&
check_packed_refs_marked
'
test_expect_success 'touch packed-refs on delete of packed' '
git update-ref refs/heads/packed-delete $A &&
git pack-refs --all &&
mark_packed_refs &&
git update-ref -d refs/heads/packed-delete &&
! check_packed_refs_marked
'
test_expect_success 'leave packed-refs untouched on update of loose' '
git pack-refs --all &&
git update-ref refs/heads/loose-update $A &&
mark_packed_refs &&
git update-ref refs/heads/loose-update $B &&
check_packed_refs_marked
'
test_expect_success 'leave packed-refs untouched on checked update of loose' '
git pack-refs --all &&
git update-ref refs/heads/loose-checked-update $A &&
mark_packed_refs &&
git update-ref refs/heads/loose-checked-update $B $A &&
check_packed_refs_marked
'
test_expect_success 'leave packed-refs untouched on verify of loose' '
git pack-refs --all &&
git update-ref refs/heads/loose-verify $A &&
mark_packed_refs &&
echo "verify refs/heads/loose-verify $A" | git update-ref --stdin &&
check_packed_refs_marked
'
test_expect_success 'leave packed-refs untouched on delete of loose' '
git pack-refs --all &&
git update-ref refs/heads/loose-delete $A &&
mark_packed_refs &&
git update-ref -d refs/heads/loose-delete &&
check_packed_refs_marked
'
test_done
|
