auto-detect changed prefix and/or changed build flags

diff --git a/builtin-log.c b/builtin-log.c
index 29a885121dd81f1e6288835d12374acc19a751f4..6afa66ce02bee9a0de4403e1bfb0eedb70c087df 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -40,6 +40,8 @@ static int cmd_log_wc(int argc, const char **argv, char **envp,
                log_tree_commit(rev, commit);
                free(commit->buffer);
                commit->buffer = NULL;
+               free_commit_list(commit->parents);
+               commit->parents = NULL;
        }
        return 0;
 }
@@ -51,6 +53,7 @@ int cmd_whatchanged(int argc, const char **argv, char **envp)
        init_revisions(&rev);
        rev.diff = 1;
        rev.diffopt.recursive = 1;
+       rev.simplify_history = 0;
        return cmd_log_wc(argc, argv, envp, &rev);
 }
 
@@ -112,7 +115,7 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
        int len = 0;
 
        if (output_directory) {
-               strncpy(filename, output_directory, 1010);
+               safe_strncpy(filename, output_directory, 1010);
                len = strlen(filename);
                if (filename[len - 1] != '/')
                        filename[len++] = '/';