void load_command_list(const char *prefix, struct cmdnames *main_cmds, struct cmdnames *other_cmds) { const char *env_path = getenv("PATH"); const char *exec_path = git_exec_path(); if (exec_path) { list_commands_in_dir(main_cmds, exec_path, prefix); qsort(main_cmds->names, main_cmds->cnt, sizeof(*main_cmds->names), cmdname_compare); uniq(main_cmds); } if (env_path) { char *paths, *path, *colon; path = paths = xstrdup(env_path); while (1) { if ((colon = strchr(path, PATH_SEP))) *colon = 0; if (!exec_path || strcmp(path, exec_path)) list_commands_in_dir(other_cmds, path, prefix); if (!colon) break; path = colon + 1; } free(paths); qsort(other_cmds->names, other_cmds->cnt, sizeof(*other_cmds->names), cmdname_compare); uniq(other_cmds); } exclude_cmds(other_cmds, main_cmds); }
static struct strategy *get_strategy(const char *name) { int i; struct strategy *ret; static struct cmdnames main_cmds, other_cmds; static int loaded; if (!name) return NULL; for (i = 0; i < ARRAY_SIZE(all_strategy); i++) if (!strcmp(name, all_strategy[i].name)) return &all_strategy[i]; if (!loaded) { struct cmdnames not_strategies; loaded = 1; memset(¬_strategies, 0, sizeof(struct cmdnames)); load_command_list("git-merge-", &main_cmds, &other_cmds); for (i = 0; i < main_cmds.cnt; i++) { int j, found = 0; struct cmdname *ent = main_cmds.names[i]; for (j = 0; j < ARRAY_SIZE(all_strategy); j++) if (!strncmp(ent->name, all_strategy[j].name, ent->len) && !all_strategy[j].name[ent->len]) found = 1; if (!found) add_cmdname(¬_strategies, ent->name, ent->len); } exclude_cmds(&main_cmds, ¬_strategies); } if (!is_in_cmdlist(&main_cmds, name) && !is_in_cmdlist(&other_cmds, name)) { fprintf(stderr, _("Could not find merge strategy '%s'.\n"), name); fprintf(stderr, _("Available strategies are:")); for (i = 0; i < main_cmds.cnt; i++) fprintf(stderr, " %s", main_cmds.names[i]->name); fprintf(stderr, ".\n"); if (other_cmds.cnt) { fprintf(stderr, _("Available custom strategies are:")); for (i = 0; i < other_cmds.cnt; i++) fprintf(stderr, " %s", other_cmds.names[i]->name); fprintf(stderr, ".\n"); } exit(1); } ret = xcalloc(1, sizeof(struct strategy)); ret->name = xstrdup(name); ret->attr = NO_TRIVIAL; return ret; }