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-rwxr-xr-xt/t1700-split-index.sh442
1 files changed, 442 insertions, 0 deletions
diff --git a/t/t1700-split-index.sh b/t/t1700-split-index.sh
new file mode 100755
index 0000000000..a66936fe9b
--- /dev/null
+++ b/t/t1700-split-index.sh
@@ -0,0 +1,442 @@
+#!/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-dump-split-index .git/index >actual &&
+ indexversion=$(test-index-version <.git/index) &&
+ if test "$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-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-dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
+ test-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-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-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-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-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-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-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 $EMPTY_BLOB 0 two
+ EOF
+ test_cmp ls-files.expect ls-files.actual &&
+
+ test-dump-split-index .git/index | sed "/^own/d" >actual &&
+ cat >expect <<-EOF &&
+ not a split index
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'rev-parse --shared-index-path' '
+ test_create_repo split-index &&
+ (
+ cd split-index &&
+ git update-index --split-index &&
+ echo .git/sharedindex* >expect &&
+ git rev-parse --shared-index-path >actual &&
+ test_cmp expect actual &&
+ mkdir subdirectory &&
+ cd subdirectory &&
+ echo ../.git/sharedindex* >expect &&
+ git rev-parse --shared-index-path >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'set core.splitIndex config variable to true' '
+ git config core.splitIndex true &&
+ : >three &&
+ git update-index --add three &&
+ git ls-files --stage >ls-files.actual &&
+ cat >ls-files.expect <<-EOF &&
+ 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
+ 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 three
+ 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
+ EOF
+ test_cmp ls-files.expect ls-files.actual &&
+ BASE=$(test-dump-split-index .git/index | grep "^base") &&
+ test-dump-split-index .git/index | sed "/^own/d" >actual &&
+ cat >expect <<-EOF &&
+ $BASE
+ replacements:
+ deletions:
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'set core.splitIndex config variable to false' '
+ git config core.splitIndex false &&
+ git update-index --force-remove three &&
+ git ls-files --stage >ls-files.actual &&
+ cat >ls-files.expect <<-EOF &&
+ 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
+ 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
+ EOF
+ test_cmp ls-files.expect ls-files.actual &&
+ test-dump-split-index .git/index | sed "/^own/d" >actual &&
+ cat >expect <<-EOF &&
+ not a split index
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'set core.splitIndex config variable to true' '
+ git config core.splitIndex true &&
+ : >three &&
+ git update-index --add three &&
+ BASE=$(test-dump-split-index .git/index | grep "^base") &&
+ test-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-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-dump-split-index .git/index | grep "^base") &&
+ test-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-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-dump-split-index .git/index | grep "^base") &&
+ test-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-dump-split-index .git/index | grep "^base") &&
+ test-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-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-chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
+ : >twelve &&
+ git update-index --add twelve &&
+ test $(ls .git/sharedindex.* | wc -l) -le 2
+'
+
+test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
+ git config splitIndex.sharedIndexExpire "16.days.ago" &&
+ test-chmtime =$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-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-chmtime =$just_10_years_ago .git/sharedindex.* &&
+ : >fifteen &&
+ git update-index --add fifteen &&
+ test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
+ git config splitIndex.sharedIndexExpire now &&
+ just_1_second_ago=-1 &&
+ test-chmtime =$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 $_z40\\tbroken\\n"
+ } >broken-tree &&
+ echo "add broken entry" >msg &&
+
+ tree=$(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-dump-cache-tree >cache-tree.out || true) &&
+ test_line_count = 0 cache-tree.out
+'
+
+test_done
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 05:37:00 +0000