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-rw-r--r--builtin/commit.c4
-rwxr-xr-xt/t0090-cache-tree.sh10
-rw-r--r--test-dump-split-index.c6
3 files changed, 15 insertions, 5 deletions
diff --git a/builtin/commit.c b/builtin/commit.c
index b37cb6c..63772d0 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -405,10 +405,8 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
hold_locked_index(&index_lock, 1);
refresh_cache_or_die(refresh_flags);
if (active_cache_changed
- || !cache_tree_fully_valid(active_cache_tree)) {
+ || !cache_tree_fully_valid(active_cache_tree))
update_main_cache_tree(WRITE_TREE_SILENT);
- active_cache_changed = 1;
- }
if (active_cache_changed) {
if (write_locked_index(&the_index, &index_lock,
COMMIT_LOCK))
diff --git a/t/t0090-cache-tree.sh b/t/t0090-cache-tree.sh
index 055cc19..adfd4f0 100755
--- a/t/t0090-cache-tree.sh
+++ b/t/t0090-cache-tree.sh
@@ -242,4 +242,14 @@ test_expect_success 'no phantom error when switching trees' '
! test -s errors
'
+test_expect_success 'switching trees does not invalidate shared index' '
+ git update-index --split-index &&
+ >split &&
+ git add split &&
+ test-dump-split-index .git/index | grep -v ^own >before &&
+ git commit -m "as-is" &&
+ test-dump-split-index .git/index | grep -v ^own >after &&
+ test_cmp before after
+'
+
test_done
diff --git a/test-dump-split-index.c b/test-dump-split-index.c
index 9cf3112..861d28c 100644
--- a/test-dump-split-index.c
+++ b/test-dump-split-index.c
@@ -26,9 +26,11 @@ int main(int ac, char **av)
sha1_to_hex(ce->sha1), ce_stage(ce), ce->name);
}
printf("replacements:");
- ewah_each_bit(si->replace_bitmap, show_bit, NULL);
+ if (si->replace_bitmap)
+ ewah_each_bit(si->replace_bitmap, show_bit, NULL);
printf("\ndeletions:");
- ewah_each_bit(si->delete_bitmap, show_bit, NULL);
+ if (si->delete_bitmap)
+ ewah_each_bit(si->delete_bitmap, show_bit, NULL);
printf("\n");
return 0;
}