clone,fetch: catch non positive --depth option value

Instead of simply ignoring the value passed to --depth option when
it is zero or negative, catch and report it as an error to let
people know that they were using the option incorrectly.

Original-patch-by: Andrés G. Aragoneses <knocte@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/clone.c b/builtin/clone.c
index 552f3409e3056846b45c6f300661dc5c14302b0b..535b52f315ff4e2f0106974538b03c0739137c03 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -797,6 +797,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (option_local > 0 && !is_local)
                warning(_("--local is ignored"));
 
+       /* no need to be strict, transport_set_option() will validate it again */
+       if (option_depth && atoi(option_depth) < 1)
+               die(_("depth %s is not a positive number"), option_depth);
+
        if (argc == 2)
                dir = xstrdup(argv[1]);
        else

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 564705555b897bde0a1a2c3fad3c1f1b39903b53..72930fcfdf65e4f2257ad77fdfb28c4b1741b428 100644 (file)
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -1045,6 +1045,10 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
                }
        }
 
+       /* no need to be strict, transport_set_option() will validate it again */
+       if (depth && atoi(depth) < 1)
+               die(_("depth %s is not a positive number"), depth);
+
        if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
                if (recurse_submodules_default) {
                        int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);