correct cache_entry allocation

diff --git a/help.c b/help.c
index 52d39b88a36e92b00828fdb8c8d056f9b79a37e0..dc0786d8002ef633cae4485eb5b25cdb6cf17df4 100644 (file)
--- a/help.c
+++ b/help.c
@@ -40,7 +40,7 @@ static struct option builtin_help_options[] = {
 };
 
 static const char * const builtin_help_usage[] = {
-       "git-help [--all] [--man|--web|--info] [command]",
+       "git help [--all] [--man|--web|--info] [command]",
        NULL
 };
 
@@ -425,17 +425,24 @@ static unsigned int list_commands_in_dir(struct cmdnames *cmds,
        int prefix_len = strlen(prefix);
        DIR *dir = opendir(path);
        struct dirent *de;
+       struct strbuf buf = STRBUF_INIT;
+       int len;
 
-       if (!dir || chdir(path))
+       if (!dir)
                return 0;
 
+       strbuf_addf(&buf, "%s/", path);
+       len = buf.len;
+
        while ((de = readdir(dir)) != NULL) {
                int entlen;
 
                if (prefixcmp(de->d_name, prefix))
                        continue;
 
-               if (!is_executable(de->d_name))
+               strbuf_setlen(&buf, len);
+               strbuf_addstr(&buf, de->d_name);
+               if (!is_executable(buf.buf))
                        continue;
 
                entlen = strlen(de->d_name) - prefix_len;
@@ -448,6 +455,7 @@ static unsigned int list_commands_in_dir(struct cmdnames *cmds,
                add_cmdname(cmds, de->d_name + prefix_len, entlen);
        }
        closedir(dir);
+       strbuf_release(&buf);
 
        return longest;
 }
@@ -547,7 +555,8 @@ static int is_git_command(const char *s)
 {
        load_command_list();
        return is_in_cmdlist(&main_cmds, s) ||
-               is_in_cmdlist(&other_cmds, s);
+               is_in_cmdlist(&other_cmds, s) ||
+               !strcmp(s, "help");
 }
 
 static const char *prepend(const char *prefix, const char *cmd)