make progress "title" part of the common progress interface

If the progress bar ends up in a box, better provide a title for it too.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

builtin-pack-objects.c

@@ -580,10 +580,8 @@ static off_t write_pack_file(void)
 		f = sha1fd(fd, pack_tmp_name);
 	}
 
-	if (do_progress) {
-		fprintf(stderr, "Writing %u objects.\n", nr_result);
-		start_progress(&progress_state, "", nr_result);
-	}
+	if (do_progress)
+		start_progress(&progress_state, "Writing %u objects...", "", nr_result);
 
 	hdr.hdr_signature = htonl(PACK_SIGNATURE);
 	hdr.hdr_version = htonl(PACK_VERSION);
@@ -1389,10 +1387,8 @@ static void find_deltas(struct object_entry **list, int window, int depth)
 		return;
 	array = xmalloc(array_size);
 	memset(array, 0, array_size);
-	if (progress) {
-		fprintf(stderr, "Deltifying %u objects.\n", nr_result);
-		start_progress(&progress_state, "", nr_result);
-	}
+	if (progress)
+		start_progress(&progress_state, "Deltifying %u objects...", "", nr_result);
 
 	do {
 		struct object_entry *entry = list[--i];
@@ -1722,10 +1718,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
 
 	prepare_packed_git();
 
-	if (progress) {
-		fprintf(stderr, "Generating pack...\n");
-		start_progress(&progress_state, "Counting objects: ", 0);
-	}
+	if (progress)
+		start_progress(&progress_state, "Generating pack...",
+			       "Counting objects: ", 0);
 	if (!use_internal_rev_list)
 		read_object_list_from_stdin();
 	else {

builtin-unpack-objects.c

@@ -321,10 +321,8 @@ static void unpack_all(void)
 		die("unknown pack file version %d", ntohl(hdr->hdr_version));
 	use(sizeof(struct pack_header));
 
-	if (!quiet) {
-		fprintf(stderr, "Unpacking %d objects\n", nr_objects);
-		start_progress(&progress, "", nr_objects);
-	}
+	if (!quiet)
+		start_progress(&progress, "Unpacking %u objects...", "", nr_objects);
 	obj_list = xmalloc(nr_objects * sizeof(*obj_list));
 	for (i = 0; i < nr_objects; i++) {
 		unpack_one(i);

index-pack.c

@@ -407,10 +407,8 @@ static void parse_pack_objects(unsigned char *sha1)
 	 * - calculate SHA1 of all non-delta objects;
 	 * - remember base (SHA1 or offset) for all deltas.
 	 */
-	if (verbose) {
-		fprintf(stderr, "Indexing %d objects.\n", nr_objects);
-		start_progress(&progress, "", nr_objects);
-	}
+	if (verbose)
+		start_progress(&progress, "Indexing %u objects...", "", nr_objects);
 	for (i = 0; i < nr_objects; i++) {
 		struct object_entry *obj = &objects[i];
 		data = unpack_raw_entry(obj, &delta->base);
@@ -458,10 +456,8 @@ static void parse_pack_objects(unsigned char *sha1)
 	 *   recursively checking if the resulting object is used as a base
 	 *   for some more deltas.
 	 */
-	if (verbose) {
-		fprintf(stderr, "Resolving %d deltas.\n", nr_deltas);
-		start_progress(&progress, "", nr_deltas);
-	}
+	if (verbose)
+		start_progress(&progress, "Resolving %u deltas...", "", nr_deltas);
 	for (i = 0; i < nr_objects; i++) {
 		struct object_entry *obj = &objects[i];
 		union delta_base base;

progress.c

@@ -40,23 +40,27 @@ int display_progress(struct progress *progress, unsigned n)
 		if (percent != progress->last_percent || progress_update) {
 			progress->last_percent = percent;
 			fprintf(stderr, "%s%4u%% (%u/%u) done\r",
-				progress->msg, percent, n, progress->total);
+				progress->prefix, percent, n, progress->total);
 			progress_update = 0;
 			return 1;
 		}
 	} else if (progress_update) {
-		fprintf(stderr, "%s%u\r", progress->msg, n);
+		fprintf(stderr, "%s%u\r", progress->prefix, n);
 		progress_update = 0;
 		return 1;
 	}
 	return 0;
 }
 
-void start_progress(struct progress *progress, const char *msg, unsigned total)
+void start_progress(struct progress *progress, const char *title,
+		    const char *prefix, unsigned total)
 {
-	progress->msg = msg;
+	char buf[80];
+	progress->prefix = prefix;
 	progress->total = total;
 	progress->last_percent = -1;
+	if (snprintf(buf, sizeof(buf), title, total))
+		fprintf(stderr, "%s\n", buf);
 	set_progress_signal();
 }
 

progress.h

@@ -2,13 +2,14 @@
 #define __progress_h__
 
 struct progress {
-	const char *msg;
+	const char *prefix;
 	unsigned total;
 	unsigned last_percent;
 };
 
 int display_progress(struct progress *progress, unsigned n);
-void start_progress(struct progress *progress, const char *msg, unsigned total);
+void start_progress(struct progress *progress, const char *title,
+		    const char *prefix, unsigned total);
 void stop_progress(struct progress *progress);
 
 #endif

unpack-trees.c

@@ -308,10 +308,9 @@ static void check_updates(struct cache_entry **src, int nr,
 		if (total < 250)
 			total = 0;
 
-		if (total) {
-			fprintf(stderr, "Checking files out...\n");
-			start_progress(&progress, "", total);
-		}
+		if (total)
+			start_progress(&progress, "Checking %u files out...",
+				       "", total);
 		cnt = 0;
 	}