# We need total control of index splitting here
sane_unset GIT_TEST_SPLIT_INDEX
-sane_unset GIT_FSMONITOR_TEST
+
+# Testing a hard coded SHA against an index with an extension
+# that can vary from run to run is problematic so we disable
+# those extensions.
+sane_unset GIT_TEST_FSMONITOR
+sane_unset GIT_TEST_INDEX_THREADS
+
+# Create a file named as $1 with content read from stdin.
+# Set the file's mtime to a few seconds in the past to avoid racy situations.
+create_non_racy_file () {
+ cat >"$1" &&
+ test-tool chmtime =-5 "$1"
+}
+
+test_expect_success 'setup' '
+ test_oid_cache <<-EOF
+ own_v3 sha1:8299b0bcd1ac364e5f1d7768efb62fa2da79a339
+ own_v3 sha256:38a6d2925e3eceec33ad7b34cbff4e0086caa0daf28f31e51f5bd94b4a7af86b
+
+ base_v3 sha1:39d890139ee5356c7ef572216cebcd27aa41f9df
+ base_v3 sha256:c9baeadf905112bf6c17aefbd7d02267afd70ded613c30cafed2d40cb506e1ed
+
+ own_v4 sha1:432ef4b63f32193984f339431fd50ca796493569
+ own_v4 sha256:6738ac6319c25b694afa7bcc313deb182d1a59b68bf7a47b4296de83478c0420
+
+ base_v4 sha1:508851a7f0dfa8691e9f69c7f055865389012491
+ base_v4 sha256:3177d4adfdd4b6904f7e921d91d715a471c0dde7cf6a4bba574927f02b699508
+ EOF
+'
test_expect_success 'enable split index' '
git config splitIndex.maxPercentChange 100 &&
git update-index --split-index &&
test-tool dump-split-index .git/index >actual &&
indexversion=$(test-tool index-version <.git/index) &&
+
+ # NEEDSWORK: Stop hard-coding checksums.
if test "$indexversion" = "4"
then
- own=432ef4b63f32193984f339431fd50ca796493569
- base=508851a7f0dfa8691e9f69c7f055865389012491
+ own=$(test_oid own_v4)
+ base=$(test_oid base_v4)
else
- own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
- base=39d890139ee5356c7ef572216cebcd27aa41f9df
+ own=$(test_oid own_v3)
+ base=$(test_oid base_v3)
fi &&
+
cat >expect <<-EOF &&
own $own
base $base
'
test_expect_success 'add one file' '
- : >one &&
+ create_non_racy_file one &&
git update-index --add one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
EOF
test_cmp ls-files.expect ls-files.actual &&
- BASE=$(test-tool dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
+ BASE=$(test-tool dump-split-index .git/index | sed -n "s/^own/base/p") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
cat >expect <<-EOF &&
not a split index
'
test_expect_success 'modify original file, base index untouched' '
- echo modified >one &&
+ echo modified | create_non_racy_file one &&
+ file1_blob=$(git hash-object one) &&
git update-index one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
- 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
+ 100644 $file1_blob 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
+ 100644 $file1_blob 0Q
replacements: 0
deletions:
EOF
'
test_expect_success 'add another file, which stays index' '
- : >two &&
+ create_non_racy_file two &&
git update-index --add two &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
- 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
+ 100644 $file1_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 &&
q_to_tab >expect <<-EOF &&
$BASE
- 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
+ 100644 $file1_blob 0Q
100644 $EMPTY_BLOB 0 two
replacements: 0
deletions:
git update-index --force-remove two &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
- 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
+ 100644 $file1_blob 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
+ 100644 $file1_blob 0Q
replacements: 0
deletions:
EOF
'
test_expect_success 'add original file back' '
- : >one &&
+ create_non_racy_file one &&
git update-index --add one &&
git ls-files --stage >ls-files.actual &&
cat >ls-files.expect <<-EOF &&
'
test_expect_success 'add new file' '
- : >two &&
+ create_non_racy_file two &&
git update-index --add two &&
git ls-files --stage >actual &&
cat >expect <<-EOF &&
test_expect_success 'set core.splitIndex config variable to true' '
git config core.splitIndex true &&
- : >three &&
+ create_non_racy_file 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
+ 100644 $EMPTY_BLOB 0 one
+ 100644 $EMPTY_BLOB 0 three
+ 100644 $EMPTY_BLOB 0 two
EOF
test_cmp ls-files.expect ls-files.actual &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
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
+ 100644 $EMPTY_BLOB 0 one
+ 100644 $EMPTY_BLOB 0 two
EOF
test_cmp ls-files.expect ls-files.actual &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
test_cmp expect actual
'
-test_expect_success 'set core.splitIndex config variable to true' '
+test_expect_success 'set core.splitIndex config variable back to true' '
git config core.splitIndex true &&
- : >three &&
+ create_non_racy_file three &&
git update-index --add three &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
deletions:
EOF
test_cmp expect actual &&
- : >four &&
+ create_non_racy_file 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
+ 100644 $EMPTY_BLOB 0 four
replacements:
deletions:
EOF
test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
git config --unset splitIndex.maxPercentChange &&
- : >five &&
+ create_non_racy_file five &&
git update-index --add five &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
deletions:
EOF
test_cmp expect actual &&
- : >six &&
+ create_non_racy_file 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
+ 100644 $EMPTY_BLOB 0 six
replacements:
deletions:
EOF
test_expect_success 'check splitIndex.maxPercentChange set to 0' '
git config splitIndex.maxPercentChange 0 &&
- : >seven &&
+ create_non_racy_file seven &&
git update-index --add seven &&
BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
deletions:
EOF
test_cmp expect actual &&
- : >eight &&
+ create_non_racy_file 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 &&
'
test_expect_success 'shared index files expire after 2 weeks by default' '
- : >ten &&
+ create_non_racy_file 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 &&
+ create_non_racy_file 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 &&
+ create_non_racy_file 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 &&
+ create_non_racy_file 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 &&
+ create_non_racy_file fourteen &&
git update-index --add fourteen &&
test $(ls .git/sharedindex.* | wc -l) -le 2
'
git config splitIndex.sharedIndexExpire never &&
just_10_years_ago=$((-365*10*86400)) &&
test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
- : >fifteen &&
+ create_non_racy_file 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 &&
+ create_non_racy_file sixteen &&
git update-index --add sixteen &&
test $(ls .git/sharedindex.* | wc -l) -le 2
'
+test_expect_success POSIXPERM 'same mode for index & split index' '
+ git init same-mode &&
+ (
+ cd same-mode &&
+ test_commit A &&
+ test_modebits .git/index >index_mode &&
+ test_must_fail git config core.sharedRepository &&
+ git -c core.splitIndex=true status &&
+ shared=$(ls .git/sharedindex.*) &&
+ case "$shared" in
+ *" "*)
+ # we have more than one???
+ false ;;
+ *)
+ test_modebits "$shared" >split_index_mode &&
+ test_cmp index_mode split_index_mode ;;
+ esac
+ )
+'
+
while read -r mode modebits
do
test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
# Create one new shared index file
git config core.sharedrepository "$mode" &&
git config core.splitIndex true &&
- : >one &&
+ create_non_racy_file one &&
git update-index --add one &&
echo "$modebits" >expect &&
test_modebits .git/index >actual &&
test_line_count = 0 cache-tree.out
'
+test_expect_success 'do not refresh null base index' '
+ test_create_repo merge &&
+ (
+ cd merge &&
+ test_commit initial &&
+ git checkout -b side-branch &&
+ test_commit extra &&
+ git checkout master &&
+ git update-index --split-index &&
+ test_commit more &&
+ # must not write a new shareindex, or we wont catch the problem
+ git -c splitIndex.maxPercentChange=100 merge --no-edit side-branch 2>err &&
+ # i.e. do not expect warnings like
+ # could not freshen shared index .../shareindex.00000...
+ test_must_be_empty err
+ )
+'
+
test_done