blame: show "previous" information in --porcelain/--incremental format

diff --git a/environment.c b/environment.c
index 4a88a17d54df19af51a4fe0596815badf32fce1f..0693cd9a42adf4914bb219ecf24fc6d5da7aafd3 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -13,6 +13,7 @@ char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
 int user_ident_explicitly_given;
 int trust_executable_bit = 1;
+int trust_ctime = 1;
 int has_symlinks = 1;
 int ignore_case;
 int assume_unchanged;
@@ -79,6 +80,11 @@ int is_bare_repository(void)
        return is_bare_repository_cfg && !get_git_work_tree();
 }
 
+int have_git_dir(void)
+{
+       return !!git_dir;
+}
+
 const char *get_git_dir(void)
 {
        if (!git_dir)