builtin/remote.c:update(): use struct argv_array

Use struct argv_array for calling the "git fetch" subprocesses.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/remote.c b/builtin/remote.c
index ecedd968d3fba70758b1e437604745322e9c90d6..bffe2f9f718c799bcd50ff51d495458b8b77b73a 100644 (file)
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -6,6 +6,7 @@
 #include "strbuf.h"
 #include "run-command.h"
 #include "refs.h"
+#include "argv-array.h"
 
 static const char * const builtin_remote_usage[] = {
        N_("git remote [-v | --verbose]"),
@@ -1376,36 +1377,36 @@ static int update(int argc, const char **argv)
                         N_("prune remotes after fetching")),
                OPT_END()
        };
-       const char **fetch_argv;
-       int fetch_argc = 0;
+       struct argv_array fetch_argv = ARGV_ARRAY_INIT;
        int default_defined = 0;
-
-       fetch_argv = xmalloc(sizeof(char *) * (argc+5));
+       int retval;
 
        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
                             PARSE_OPT_KEEP_ARGV0);
 
-       fetch_argv[fetch_argc++] = "fetch";
+       argv_array_push(&fetch_argv, "fetch");
 
        if (prune)
-               fetch_argv[fetch_argc++] = "--prune";
+               argv_array_push(&fetch_argv, "--prune");
        if (verbose)
-               fetch_argv[fetch_argc++] = "-v";
-       fetch_argv[fetch_argc++] = "--multiple";
+               argv_array_push(&fetch_argv, "-v");
+       argv_array_push(&fetch_argv, "--multiple");
        if (argc < 2)
-               fetch_argv[fetch_argc++] = "default";
+               argv_array_push(&fetch_argv, "default");
        for (i = 1; i < argc; i++)
-               fetch_argv[fetch_argc++] = argv[i];
+               argv_array_push(&fetch_argv, argv[i]);
 
-       if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
+       if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
                git_config(get_remote_default, &default_defined);
-               if (!default_defined)
-                       fetch_argv[fetch_argc-1] = "--all";
+               if (!default_defined) {
+                       argv_array_pop(&fetch_argv);
+                       argv_array_push(&fetch_argv, "--all");
+               }
        }
 
-       fetch_argv[fetch_argc] = NULL;
-
-       return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
+       retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
+       argv_array_clear(&fetch_argv);
+       return retval;
 }
 
 static int remove_all_fetch_refspecs(const char *remote, const char *key)