From: Derrick Stolee <redacted>
Before iterating over all cache entries, ensure that a sparse index has
been expanded to a full one to avoid unexpected behavior.
Signed-off-by: Derrick Stolee <redacted>
---
builtin/difftool.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/builtin/difftool.c b/builtin/difftool.c
index 6e18e623fddf..1d62f77efa61 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -584,6 +584,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1);
rc = run_command_v_opt(helper_argv, flags);
+ ensure_full_index(&wtindex);
+
/*
* If the diff includes working copy files and those
* files were modified during the diff, then the changes--
gitgitgadget