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git-commit-vandalism/t/t1700-split-index.sh
Eric Sunshine 8327974859 t: use test_might_fail() instead of manipulating exit code manually 
These tests manually coerce the exit code of invoked commands to
"success" when they don't care if the command succeeds or fails since
failure of those commands should not cause the test to fail overall.
In doing so, they intentionally break the &&-chain. Modernize by
replacing manual exit code management with test_might_fail() and a
normal &&-chain.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-03 12:38:04 -07:00

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#!/bin/sh
test_description='split index mode tests'
. ./test-lib.sh
# We need total control of index splitting here
sane_unset GIT_TEST_SPLIT_INDEX
sane_unset GIT_FSMONITOR_TEST
test_expect_success 'enable split index' '
git config splitIndex.maxPercentChange 100 &&
git update-index --split-index &&
test-tool dump-split-index .git/index >actual &&
indexversion=$(test-tool index-version <.git/index) &&
if test "$indexversion" = "4"
then
own=432ef4b63f32193984f339431fd50ca796493569
base=508851a7f0dfa8691e9f69c7f055865389012491
else
own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
base=39d890139ee5356c7ef572216cebcd27aa41f9df
fi &&
cat >expect <<-EOF &&
own $own
base $base
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'add one file' '
: >one &&
git update-index --add one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 $EMPTY_BLOB 0 one
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
base $base
100644 $EMPTY_BLOB 0 one
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'disable split index' '
git update-index --no-split-index &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 $EMPTY_BLOB 0 one
EOF
test_cmp ls-files.expect ls-files.actual &&
BASE=$(test-tool dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
not a split index
EOF
test_cmp expect actual
'
test_expect_success 'enable split index again, "one" now belongs to base index"' '
git update-index --split-index &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 $EMPTY_BLOB 0 one
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'modify original file, base index untouched' '
echo modified >one &&
git update-index one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
q_to_tab >expect <<-EOF &&
$BASE
100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
replacements: 0
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'add another file, which stays index' '
: >two &&
git update-index --add two &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
100644 $EMPTY_BLOB 0 two
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
q_to_tab >expect <<-EOF &&
$BASE
100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
100644 $EMPTY_BLOB 0 two
replacements: 0
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'remove file not in base index' '
git update-index --force-remove two &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
q_to_tab >expect <<-EOF &&
$BASE
100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
replacements: 0
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'remove file in base index' '
git update-index --force-remove one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions: 0
EOF
test_cmp expect actual
'
test_expect_success 'add original file back' '
: >one &&
git update-index --add one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 $EMPTY_BLOB 0 one
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
100644 $EMPTY_BLOB 0 one
replacements:
deletions: 0
EOF
test_cmp expect actual
'
test_expect_success 'add new file' '
: >two &&
git update-index --add two &&
git ls-files --stage >actual &&
cat >expect <<-EOF &&
100644 $EMPTY_BLOB 0 one
100644 $EMPTY_BLOB 0 two
EOF
test_cmp expect actual
'
test_expect_success 'unify index, two files remain' '
git update-index --no-split-index &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 $EMPTY_BLOB 0 one
100644 $EMPTY_BLOB 0 two
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
not a split index
EOF
test_cmp expect actual
'
test_expect_success 'rev-parse --shared-index-path' '
test_create_repo split-index &&
(
cd split-index &&
git update-index --split-index &&
echo .git/sharedindex* >expect &&
git rev-parse --shared-index-path >actual &&
test_cmp expect actual &&
mkdir subdirectory &&
cd subdirectory &&
echo ../.git/sharedindex* >expect &&
git rev-parse --shared-index-path >actual &&
test_cmp expect actual
)
'
test_expect_success 'set core.splitIndex config variable to true' '
git config core.splitIndex true &&
: >three &&
git update-index --add three &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 three
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
EOF
test_cmp ls-files.expect ls-files.actual &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'set core.splitIndex config variable to false' '
git config core.splitIndex false &&
git update-index --force-remove three &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
not a split index
EOF
test_cmp expect actual
'
test_expect_success 'set core.splitIndex config variable to true' '
git config core.splitIndex true &&
: >three &&
git update-index --add three &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions:
EOF
test_cmp expect actual &&
: >four &&
git update-index --add four &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 four
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
git config --unset splitIndex.maxPercentChange &&
: >five &&
git update-index --add five &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions:
EOF
test_cmp expect actual &&
: >six &&
git update-index --add six &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 six
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'check splitIndex.maxPercentChange set to 0' '
git config splitIndex.maxPercentChange 0 &&
: >seven &&
git update-index --add seven &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions:
EOF
test_cmp expect actual &&
: >eight &&
git update-index --add eight &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
$BASE
replacements:
deletions:
EOF
test_cmp expect actual
'
test_expect_success 'shared index files expire after 2 weeks by default' '
: >ten &&
git update-index --add ten &&
test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
just_under_2_weeks_ago=$((5-14*86400)) &&
test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
: >eleven &&
git update-index --add eleven &&
test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
just_over_2_weeks_ago=$((-1-14*86400)) &&
test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
: >twelve &&
git update-index --add twelve &&
test $(ls .git/sharedindex.* | wc -l) -le 2
'
test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
git config splitIndex.sharedIndexExpire "16.days.ago" &&
test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
: >thirteen &&
git update-index --add thirteen &&
test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
just_over_16_days_ago=$((-1-16*86400)) &&
test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
: >fourteen &&
git update-index --add fourteen &&
test $(ls .git/sharedindex.* | wc -l) -le 2
'
test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
git config splitIndex.sharedIndexExpire never &&
just_10_years_ago=$((-365*10*86400)) &&
test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
: >fifteen &&
git update-index --add fifteen &&
test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
git config splitIndex.sharedIndexExpire now &&
just_1_second_ago=-1 &&
test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
: >sixteen &&
git update-index --add sixteen &&
test $(ls .git/sharedindex.* | wc -l) -le 2
'
while read -r mode modebits
do
test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
# Remove existing shared index files
git config core.splitIndex false &&
git update-index --force-remove one &&
rm -f .git/sharedindex.* &&
# Create one new shared index file
git config core.sharedrepository "$mode" &&
git config core.splitIndex true &&
: >one &&
git update-index --add one &&
echo "$modebits" >expect &&
test_modebits .git/index >actual &&
test_cmp expect actual &&
shared=$(ls .git/sharedindex.*) &&
case "$shared" in
*" "*)
# we have more than one???
false ;;
*)
test_modebits "$shared" >actual &&
test_cmp expect actual ;;
esac
'
done <<\EOF
0666 -rw-rw-rw-
0642 -rw-r---w-
EOF
test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
test_create_repo ro &&
(
cd ro &&
test_commit initial &&
git update-index --split-index &&
test -f .git/sharedindex.*
) &&
cp ro/.git/index new-index &&
test_when_finished "chmod u+w ro/.git" &&
chmod u-w ro/.git &&
GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
chmod u+w ro/.git &&
rm ro/.git/sharedindex.* &&
GIT_INDEX_FILE=new-index git ls-files >actual &&
echo initial.t >expected &&
test_cmp expected actual
'
test_expect_success 'writing split index with null sha1 does not write cache tree' '
git config core.splitIndex true &&
git config splitIndex.maxPercentChange 0 &&
git commit -m "commit" &&
{
git ls-tree HEAD &&
printf "160000 commit $ZERO_OID\\tbroken\\n"
} >broken-tree &&
echo "add broken entry" >msg &&
tree=$(git mktree <broken-tree) &&
test_tick &&
commit=$(git commit-tree $tree -p HEAD <msg) &&
git update-ref HEAD "$commit" &&
GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
test_might_fail test-tool dump-cache-tree >cache-tree.out &&
test_line_count = 0 cache-tree.out
'
test_done
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