diff options
Diffstat (limited to 'trailer.c')
-rw-r--r-- | trailer.c | 118 |
1 files changed, 72 insertions, 46 deletions
@@ -10,18 +10,13 @@ * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org> */ -enum action_where { WHERE_END, WHERE_AFTER, WHERE_BEFORE, WHERE_START }; -enum action_if_exists { EXISTS_ADD_IF_DIFFERENT_NEIGHBOR, EXISTS_ADD_IF_DIFFERENT, - EXISTS_ADD, EXISTS_REPLACE, EXISTS_DO_NOTHING }; -enum action_if_missing { MISSING_ADD, MISSING_DO_NOTHING }; - struct conf_info { char *name; char *key; char *command; - enum action_where where; - enum action_if_exists if_exists; - enum action_if_missing if_missing; + enum trailer_where where; + enum trailer_if_exists if_exists; + enum trailer_if_missing if_missing; }; static struct conf_info default_conf_info; @@ -63,7 +58,7 @@ static const char *git_generated_prefixes[] = { pos != (head); \ pos = is_reverse ? pos->prev : pos->next) -static int after_or_end(enum action_where where) +static int after_or_end(enum trailer_where where) { return (where == WHERE_AFTER) || (where == WHERE_END); } @@ -201,7 +196,7 @@ static int check_if_different(struct trailer_item *in_tok, int check_all, struct list_head *head) { - enum action_where where = arg_tok->conf.where; + enum trailer_where where = arg_tok->conf.where; struct list_head *next_head; do { if (same_trailer(in_tok, arg_tok)) @@ -300,13 +295,16 @@ static void apply_arg_if_exists(struct trailer_item *in_tok, else free_arg_item(arg_tok); break; + default: + die("BUG: trailer.c: unhandled value %d", + arg_tok->conf.if_exists); } } static void apply_arg_if_missing(struct list_head *head, struct arg_item *arg_tok) { - enum action_where where; + enum trailer_where where; struct trailer_item *to_add; switch (arg_tok->conf.if_missing) { @@ -321,6 +319,10 @@ static void apply_arg_if_missing(struct list_head *head, list_add_tail(&to_add->list, head); else list_add(&to_add->list, head); + break; + default: + die("BUG: trailer.c: unhandled value %d", + arg_tok->conf.if_missing); } } @@ -331,7 +333,7 @@ static int find_same_and_apply_arg(struct list_head *head, struct trailer_item *in_tok; struct trailer_item *on_tok; - enum action_where where = arg_tok->conf.where; + enum trailer_where where = arg_tok->conf.where; int middle = (where == WHERE_AFTER) || (where == WHERE_BEFORE); int backwards = after_or_end(where); struct trailer_item *start_tok; @@ -373,44 +375,50 @@ static void process_trailers_lists(struct list_head *head, } } -static int set_where(struct conf_info *item, const char *value) +int trailer_set_where(enum trailer_where *item, const char *value) { - if (!strcasecmp("after", value)) - item->where = WHERE_AFTER; + if (!value) + *item = WHERE_DEFAULT; + else if (!strcasecmp("after", value)) + *item = WHERE_AFTER; else if (!strcasecmp("before", value)) - item->where = WHERE_BEFORE; + *item = WHERE_BEFORE; else if (!strcasecmp("end", value)) - item->where = WHERE_END; + *item = WHERE_END; else if (!strcasecmp("start", value)) - item->where = WHERE_START; + *item = WHERE_START; else return -1; return 0; } -static int set_if_exists(struct conf_info *item, const char *value) +int trailer_set_if_exists(enum trailer_if_exists *item, const char *value) { - if (!strcasecmp("addIfDifferent", value)) - item->if_exists = EXISTS_ADD_IF_DIFFERENT; + if (!value) + *item = EXISTS_DEFAULT; + else if (!strcasecmp("addIfDifferent", value)) + *item = EXISTS_ADD_IF_DIFFERENT; else if (!strcasecmp("addIfDifferentNeighbor", value)) - item->if_exists = EXISTS_ADD_IF_DIFFERENT_NEIGHBOR; + *item = EXISTS_ADD_IF_DIFFERENT_NEIGHBOR; else if (!strcasecmp("add", value)) - item->if_exists = EXISTS_ADD; + *item = EXISTS_ADD; else if (!strcasecmp("replace", value)) - item->if_exists = EXISTS_REPLACE; + *item = EXISTS_REPLACE; else if (!strcasecmp("doNothing", value)) - item->if_exists = EXISTS_DO_NOTHING; + *item = EXISTS_DO_NOTHING; else return -1; return 0; } -static int set_if_missing(struct conf_info *item, const char *value) +int trailer_set_if_missing(enum trailer_if_missing *item, const char *value) { - if (!strcasecmp("doNothing", value)) - item->if_missing = MISSING_DO_NOTHING; + if (!value) + *item = MISSING_DEFAULT; + else if (!strcasecmp("doNothing", value)) + *item = MISSING_DO_NOTHING; else if (!strcasecmp("add", value)) - item->if_missing = MISSING_ADD; + *item = MISSING_ADD; else return -1; return 0; @@ -470,15 +478,18 @@ static int git_trailer_default_config(const char *conf_key, const char *value, v variable_name = strrchr(trailer_item, '.'); if (!variable_name) { if (!strcmp(trailer_item, "where")) { - if (set_where(&default_conf_info, value) < 0) + if (trailer_set_where(&default_conf_info.where, + value) < 0) warning(_("unknown value '%s' for key '%s'"), value, conf_key); } else if (!strcmp(trailer_item, "ifexists")) { - if (set_if_exists(&default_conf_info, value) < 0) + if (trailer_set_if_exists(&default_conf_info.if_exists, + value) < 0) warning(_("unknown value '%s' for key '%s'"), value, conf_key); } else if (!strcmp(trailer_item, "ifmissing")) { - if (set_if_missing(&default_conf_info, value) < 0) + if (trailer_set_if_missing(&default_conf_info.if_missing, + value) < 0) warning(_("unknown value '%s' for key '%s'"), value, conf_key); } else if (!strcmp(trailer_item, "separators")) { @@ -532,15 +543,15 @@ static int git_trailer_config(const char *conf_key, const char *value, void *cb) conf->command = xstrdup(value); break; case TRAILER_WHERE: - if (set_where(conf, value)) + if (trailer_set_where(&conf->where, value)) warning(_("unknown value '%s' for key '%s'"), value, conf_key); break; case TRAILER_IF_EXISTS: - if (set_if_exists(conf, value)) + if (trailer_set_if_exists(&conf->if_exists, value)) warning(_("unknown value '%s' for key '%s'"), value, conf_key); break; case TRAILER_IF_MISSING: - if (set_if_missing(conf, value)) + if (trailer_set_if_missing(&conf->if_missing, value)) warning(_("unknown value '%s' for key '%s'"), value, conf_key); break; default: @@ -555,6 +566,9 @@ static void ensure_configured(void) return; /* Default config must be setup first */ + default_conf_info.where = WHERE_END; + default_conf_info.if_exists = EXISTS_ADD_IF_DIFFERENT_NEIGHBOR; + default_conf_info.if_missing = MISSING_ADD; git_config(git_trailer_default_config, NULL); git_config(git_trailer_config, NULL); configured = 1; @@ -658,19 +672,27 @@ static struct trailer_item *add_trailer_item(struct list_head *head, char *tok, } static void add_arg_item(struct list_head *arg_head, char *tok, char *val, - const struct conf_info *conf) + const struct conf_info *conf, + const struct new_trailer_item *new_trailer_item) { struct arg_item *new = xcalloc(sizeof(*new), 1); new->token = tok; new->value = val; duplicate_conf(&new->conf, conf); + if (new_trailer_item) { + if (new_trailer_item->where != WHERE_DEFAULT) + new->conf.where = new_trailer_item->where; + if (new_trailer_item->if_exists != EXISTS_DEFAULT) + new->conf.if_exists = new_trailer_item->if_exists; + if (new_trailer_item->if_missing != MISSING_DEFAULT) + new->conf.if_missing = new_trailer_item->if_missing; + } list_add_tail(&new->list, arg_head); } static void process_command_line_args(struct list_head *arg_head, - struct string_list *trailers) + struct list_head *new_trailer_head) { - struct string_list_item *tr; struct arg_item *item; struct strbuf tok = STRBUF_INIT; struct strbuf val = STRBUF_INIT; @@ -690,26 +712,29 @@ static void process_command_line_args(struct list_head *arg_head, add_arg_item(arg_head, xstrdup(token_from_item(item, NULL)), xstrdup(""), - &item->conf); + &item->conf, NULL); } /* Add an arg item for each trailer on the command line */ - for_each_string_list_item(tr, trailers) { - int separator_pos = find_separator(tr->string, cl_separators); + list_for_each(pos, new_trailer_head) { + struct new_trailer_item *tr = + list_entry(pos, struct new_trailer_item, list); + int separator_pos = find_separator(tr->text, cl_separators); + if (separator_pos == 0) { struct strbuf sb = STRBUF_INIT; - strbuf_addstr(&sb, tr->string); + strbuf_addstr(&sb, tr->text); strbuf_trim(&sb); error(_("empty trailer token in trailer '%.*s'"), (int) sb.len, sb.buf); strbuf_release(&sb); } else { - parse_trailer(&tok, &val, &conf, tr->string, + parse_trailer(&tok, &val, &conf, tr->text, separator_pos); add_arg_item(arg_head, strbuf_detach(&tok, NULL), strbuf_detach(&val, NULL), - conf); + conf, tr); } } @@ -968,7 +993,8 @@ static FILE *create_in_place_tempfile(const char *file) return outfile; } -void process_trailers(const char *file, int in_place, int trim_empty, struct string_list *trailers) +void process_trailers(const char *file, int in_place, int trim_empty, + struct list_head *new_trailer_head) { LIST_HEAD(head); LIST_HEAD(arg_head); @@ -986,7 +1012,7 @@ void process_trailers(const char *file, int in_place, int trim_empty, struct str /* Print the lines before the trailers */ trailer_end = process_input_file(outfile, sb.buf, &head); - process_command_line_args(&arg_head, trailers); + process_command_line_args(&arg_head, new_trailer_head); process_trailers_lists(&head, &arg_head); |