merge: enable progress reporting for rename detection

diff --git a/builtin/merge.c b/builtin/merge.c
index 42fff387e69d9b5412e8e776aed3272b78ebe758..6ce82105017a656609735805586566a638f4785c 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -58,6 +58,7 @@ static int option_renormalize;
 static int verbosity;
 static int allow_rerere_auto;
 static int abort_current_merge;
+static int show_progress = -1;
 
 static struct strategy all_strategy[] = {
        { "recursive",  DEFAULT_TWOHEAD | NO_TRIVIAL },
@@ -200,6 +201,7 @@ static struct option builtin_merge_options[] = {
        OPT__VERBOSITY(&verbosity),
        OPT_BOOLEAN(0, "abort", &abort_current_merge,
                "abort the current in-progress merge"),
+       OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1),
        OPT_END()
 };
 
@@ -659,6 +661,8 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
                        o.subtree_shift = "";
 
                o.renormalize = option_renormalize;
+               o.show_rename_progress =
+                       show_progress == -1 ? isatty(2) : show_progress;
 
                for (x = 0; x < xopts_nr; x++)
                        if (parse_merge_opt(&o, xopts[x]))
@@ -944,6 +948,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
        argc = parse_options(argc, argv, prefix, builtin_merge_options,
                        builtin_merge_usage, 0);
 
+       if (verbosity < 0 && show_progress == -1)
+               show_progress = 0;
+
        if (abort_current_merge) {
                int nargc = 2;
                const char *nargv[] = {"reset", "--merge", NULL};