format_config: simplify buffer handling

diff --git a/builtin/help.c b/builtin/help.c
index e78c135e010afa3f9447992ae85a7cc404d0192b..3422e7307998b9da91f85512084aeae515022a60 100644 (file)
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -49,7 +49,7 @@ static struct option builtin_help_options[] = {
 };
 
 static const char * const builtin_help_usage[] = {
-       N_("git help [--all] [--guides] [--man|--web|--info] [command]"),
+       N_("git help [--all] [--guides] [--man | --web | --info] [<command>]"),
        NULL
 };
 
@@ -171,7 +171,7 @@ static void exec_man_cmd(const char *cmd, const char *page)
 {
        struct strbuf shell_cmd = STRBUF_INIT;
        strbuf_addf(&shell_cmd, "%s %s", cmd, page);
-       execl("/bin/sh", "sh", "-c", shell_cmd.buf, (char *)NULL);
+       execl(SHELL_PATH, SHELL_PATH, "-c", shell_cmd.buf, (char *)NULL);
        warning(_("failed to exec '%s': %s"), cmd, strerror(errno));
 }
 
@@ -456,7 +456,7 @@ static void list_common_guides_help(void)
 int cmd_help(int argc, const char **argv, const char *prefix)
 {
        int nongit;
-       const char *alias;
+       char *alias;
        enum help_format parsed_help_format;
 
        argc = parse_options(argc, argv, prefix, builtin_help_options,
@@ -499,6 +499,7 @@ int cmd_help(int argc, const char **argv, const char *prefix)
        alias = alias_lookup(argv[0]);
        if (alias && !is_git_command(argv[0])) {
                printf_ln(_("`git %s' is aliased to `%s'"), argv[0], alias);
+               free(alias);
                return 0;
        }