gitweb: Protect escaping functions against calling on undef
[git] / advice.c
1 #include "cache.h"
2
3 int advice_push_nonfastforward = 1;
4 int advice_status_hints = 1;
5 int advice_commit_before_merge = 1;
6 int advice_resolve_conflict = 1;
7 int advice_implicit_identity = 1;
8
9 static struct {
10         const char *name;
11         int *preference;
12 } advice_config[] = {
13         { "pushnonfastforward", &advice_push_nonfastforward },
14         { "statushints", &advice_status_hints },
15         { "commitbeforemerge", &advice_commit_before_merge },
16         { "resolveconflict", &advice_resolve_conflict },
17         { "implicitidentity", &advice_implicit_identity },
18 };
19
20 int git_default_advice_config(const char *var, const char *value)
21 {
22         const char *k = skip_prefix(var, "advice.");
23         int i;
24
25         for (i = 0; i < ARRAY_SIZE(advice_config); i++) {
26                 if (strcmp(k, advice_config[i].name))
27                         continue;
28                 *advice_config[i].preference = git_config_bool(var, value);
29                 return 0;
30         }
31
32         return 0;
33 }
34
35 void NORETURN die_resolve_conflict(const char *me)
36 {
37         if (advice_resolve_conflict)
38                 /*
39                  * Message used both when 'git commit' fails and when
40                  * other commands doing a merge do.
41                  */
42                 die("'%s' is not possible because you have unmerged files.\n"
43                     "Please, fix them up in the work tree, and then use 'git add/rm <file>' as\n"
44                     "appropriate to mark resolution and make a commit, or use 'git commit -a'.", me);
45         else
46                 die("'%s' is not possible because you have unmerged files.", me);
47 }