commit-tree: update the command line parsing

diff --git a/builtin/config.c b/builtin/config.c
index 0b4ecac855dce9b70878de4d15f4d317254d9ef3..0315ad76f881aab9a64084f8d2fdd2019907e4cb 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -99,6 +99,7 @@ static int show_config(const char *key_, const char *value_, void *cb)
        const char *vptr = value;
        int must_free_vptr = 0;
        int dup_error = 0;
+       int must_print_delim = 0;
 
        if (!use_key_regexp && strcmp(key_, key))
                return 0;
@@ -109,10 +110,8 @@ static int show_config(const char *key_, const char *value_, void *cb)
                return 0;
 
        if (show_keys) {
-               if (value_)
-                       printf("%s%c", key_, key_delim);
-               else
-                       printf("%s", key_);
+               printf("%s", key_);
+               must_print_delim = 1;
        }
        if (seen && !do_all)
                dup_error = 1;
@@ -130,16 +129,23 @@ static int show_config(const char *key_, const char *value_, void *cb)
        } else if (types == TYPE_PATH) {
                git_config_pathname(&vptr, key_, value_);
                must_free_vptr = 1;
+       } else if (value_) {
+               vptr = value_;
+       } else {
+               /* Just show the key name */
+               vptr = "";
+               must_print_delim = 0;
        }
-       else
-               vptr = value_?value_:"";
        seen++;
        if (dup_error) {
                error("More than one value for the key %s: %s",
                                key_, vptr);
        }
-       else
+       else {
+               if (must_print_delim)
+                       printf("%c", key_delim);
                printf("%s%c", vptr, term);
+       }
        if (must_free_vptr)
                /* If vptr must be freed, it's a pointer to a
                 * dynamically allocated buffer, it's safe to cast to