1 files changed, 9 insertions, 10 deletions

diff --git a/builtin/merge-index.c b/builtin/merge-index.c
index 2c4cf5e559..1c3427c36c 100644
--- a/builtin/merge-index.c
+++ b/builtin/merge-index.c
@@ -1,6 +1,5 @@
-#include "cache.h"
+#include "builtin.h"
 #include "run-command.h"
-#include "exec_cmd.h"
 
 static const char *pgm;
 static int one_shot, quiet;
@@ -10,21 +9,21 @@ static int merge_entry(int pos, const char *path)
 {
 	int found;
 	const char *arguments[] = { pgm, "", "", "", path, "", "", "", NULL };
-	char hexbuf[4][60];
+	char hexbuf[4][GIT_SHA1_HEXSZ + 1];
 	char ownbuf[4][60];
 
 	if (pos >= active_nr)
 		die("git merge-index: %s not in the cache", path);
 	found = 0;
 	do {
-		struct cache_entry *ce = active_cache[pos];
+		const struct cache_entry *ce = active_cache[pos];
 		int stage = ce_stage(ce);
 
 		if (strcmp(ce->name, path))
 			break;
 		found++;
-		strcpy(hexbuf[stage], sha1_to_hex(ce->sha1));
-		sprintf(ownbuf[stage], "%o", ce->ce_mode);
+		sha1_to_hex_r(hexbuf[stage], ce->sha1);
+		xsnprintf(ownbuf[stage], sizeof(ownbuf[stage]), "%o", ce->ce_mode);
 		arguments[stage] = hexbuf[stage];
 		arguments[stage + 4] = ownbuf[stage];
 	} while (++pos < active_nr);
@@ -43,7 +42,7 @@ static int merge_entry(int pos, const char *path)
 	return found;
 }
 
-static void merge_file(const char *path)
+static void merge_one_path(const char *path)
 {
 	int pos = cache_name_pos(path, strlen(path));
 
@@ -59,7 +58,7 @@ static void merge_all(void)
 {
 	int i;
 	for (i = 0; i < active_nr; i++) {
-		struct cache_entry *ce = active_cache[i];
+		const struct cache_entry *ce = active_cache[i];
 		if (!ce_stage(ce))
 			continue;
 		i += merge_entry(i, ce->name)-1;
@@ -76,7 +75,7 @@ int cmd_merge_index(int argc, const char **argv, const char *prefix)
 	signal(SIGCHLD, SIG_DFL);
 
 	if (argc < 3)
-		usage("git merge-index [-o] [-q] <merge-program> (-a | [--] <filename>*)");
+		usage("git merge-index [-o] [-q] <merge-program> (-a | [--] [<filename>...])");
 
 	read_cache();
 
@@ -103,7 +102,7 @@ int cmd_merge_index(int argc, const char **argv, const char *prefix)
 			}
 			die("git merge-index: unknown option %s", arg);
 		}
-		merge_file(arg);
+		merge_one_path(arg);
 	}
 	if (err && !quiet)
 		die("merge program failed");