pack-protocol.txt: accept error packets in any context

diff --git a/apply.c b/apply.c
index 073d5f04512ac6febc2949040f53ef273433f3c0..01793d612620246b14fa57f6ce3ed6c33df65d0f 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -1748,7 +1748,7 @@ static int parse_fragment(struct apply_state *state,
        }
        if (oldlines || newlines)
                return -1;
-       if (!deleted && !added)
+       if (!patch->recount && !deleted && !added)
                return -1;
 
        fragment->leading = leading;
@@ -4772,6 +4772,9 @@ static int apply_option_parse_exclude(const struct option *opt,
                                      const char *arg, int unset)
 {
        struct apply_state *state = opt->value;
+
+       BUG_ON_OPT_NEG(unset);
+
        add_name_limit(state, arg, 1);
        return 0;
 }
@@ -4780,6 +4783,9 @@ static int apply_option_parse_include(const struct option *opt,
                                      const char *arg, int unset)
 {
        struct apply_state *state = opt->value;
+
+       BUG_ON_OPT_NEG(unset);
+
        add_name_limit(state, arg, 0);
        state->has_include = 1;
        return 0;
@@ -4790,6 +4796,9 @@ static int apply_option_parse_p(const struct option *opt,
                                int unset)
 {
        struct apply_state *state = opt->value;
+
+       BUG_ON_OPT_NEG(unset);
+
        state->p_value = atoi(arg);
        state->p_value_known = 1;
        return 0;
@@ -4799,6 +4808,9 @@ static int apply_option_parse_space_change(const struct option *opt,
                                           const char *arg, int unset)
 {
        struct apply_state *state = opt->value;
+
+       BUG_ON_OPT_ARG(arg);
+
        if (unset)
                state->ws_ignore_action = ignore_ws_none;
        else
@@ -4810,9 +4822,12 @@ static int apply_option_parse_whitespace(const struct option *opt,
                                         const char *arg, int unset)
 {
        struct apply_state *state = opt->value;
+
+       BUG_ON_OPT_NEG(unset);
+
        state->whitespace_option = arg;
        if (parse_whitespace_option(state, arg))
-               exit(1);
+               return -1;
        return 0;
 }
 
@@ -4820,6 +4835,9 @@ static int apply_option_parse_directory(const struct option *opt,
                                        const char *arg, int unset)
 {
        struct apply_state *state = opt->value;
+
+       BUG_ON_OPT_NEG(unset);
+
        strbuf_reset(&state->root);
        strbuf_addstr(&state->root, arg);
        strbuf_complete(&state->root, '/');
@@ -4939,10 +4957,10 @@ int apply_parse_options(int argc, const char **argv,
        struct option builtin_apply_options[] = {
                { OPTION_CALLBACK, 0, "exclude", state, N_("path"),
                        N_("don't apply changes matching the given path"),
-                       0, apply_option_parse_exclude },
+                       PARSE_OPT_NONEG, apply_option_parse_exclude },
                { OPTION_CALLBACK, 0, "include", state, N_("path"),
                        N_("apply changes matching the given path"),
-                       0, apply_option_parse_include },
+                       PARSE_OPT_NONEG, apply_option_parse_include },
                { OPTION_CALLBACK, 'p', NULL, state, N_("num"),
                        N_("remove <num> leading slashes from traditional diff paths"),
                        0, apply_option_parse_p },