filter-branch: skip index read/write when possible

diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index b2a4b92992748ab52fc6fd3f31041dd88dca54f8..a31024900b0a812c94dfa86024cdf45df36b96a1 100644 (file)
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -4,8 +4,8 @@
 #include "remote.h"
 
 static const char ls_remote_usage[] =
-"git ls-remote [--heads] [--tags]  [-u <exec> | --upload-pack <exec>]\n"
-"                     [-q|--quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]";
+"git ls-remote [--heads] [--tags]  [--upload-pack=<exec>]\n"
+"                     [-q | --quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]";
 
 /*
  * Is there one among the list of patterns that match the tail part
@@ -93,12 +93,8 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
        if (argv[i]) {
                int j;
                pattern = xcalloc(argc - i + 1, sizeof(const char *));
-               for (j = i; j < argc; j++) {
-                       int len = strlen(argv[j]);
-                       char *p = xmalloc(len + 3);
-                       sprintf(p, "*/%s", argv[j]);
-                       pattern[j - i] = p;
-               }
+               for (j = i; j < argc; j++)
+                       pattern[j - i] = xstrfmt("*/%s", argv[j]);
        }
        remote = remote_get(dest);
        if (!remote) {