t5310: increase the number of bitmapped commits

diff --git a/t/t1700-split-index.sh b/t/t1700-split-index.sh
index f053bf83eb9f716c3dc99a3bdf1a8e3b49802163..4f2f84f309cfdfed82f1ec60ed036e22885a69aa 100755 (executable)
--- a/t/t1700-split-index.sh
+++ b/t/t1700-split-index.sh
@@ -6,10 +6,12 @@ test_description='split index mode tests'
 
 # We need total control of index splitting here
 sane_unset GIT_TEST_SPLIT_INDEX
-# A couple of tests expect the index to have a specific checksum,
-# but the presence of the optional FSMN extension would interfere
-# with those checks, so disable it in this test script.
-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 $1 with content read from stdin.
 # Set the file's mtime to a few seconds in the past to avoid racy situations.
@@ -23,6 +25,8 @@ test_expect_success 'enable split index' '
        git update-index --split-index &&
        test-tool dump-split-index .git/index >actual &&
        indexversion=$(test-tool index-version <.git/index) &&
+
+       # NEEDSWORK: Stop hard-coding checksums.
        if test "$indexversion" = "4"
        then
                own=432ef4b63f32193984f339431fd50ca796493569
@@ -31,6 +35,7 @@ test_expect_success 'enable split index' '
                own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
                base=39d890139ee5356c7ef572216cebcd27aa41f9df
        fi &&
+
        cat >expect <<-EOF &&
        own $own
        base $base
@@ -379,6 +384,26 @@ test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"
        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" '
@@ -447,4 +472,22 @@ test_expect_success 'writing split index with null sha1 does not write cache tre
        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