diff options
| -rw-r--r-- | refspec.c | 123 | ||||
| -rw-r--r-- | refspec.h | 16 | ||||
| -rw-r--r-- | remote.c | 122 |
3 files changed, 139 insertions, 122 deletions
@@ -5,6 +5,7 @@ #include "gettext.h" #include "hash.h" #include "hex.h" +#include "string-list.h" #include "strvec.h" #include "refs.h" #include "refspec.h" @@ -324,3 +325,125 @@ int refname_matches_negative_refspec_item(const char *refname, struct refspec *r } return 0; } + +static int refspec_find_negative_match(struct refspec *rs, struct refspec_item *query) +{ + int i, matched_negative = 0; + int find_src = !query->src; + struct string_list reversed = STRING_LIST_INIT_DUP; + const char *needle = find_src ? query->dst : query->src; + + /* + * Check whether the queried ref matches any negative refpsec. If so, + * then we should ultimately treat this as not matching the query at + * all. + * + * Note that negative refspecs always match the source, but the query + * item uses the destination. To handle this, we apply pattern + * refspecs in reverse to figure out if the query source matches any + * of the negative refspecs. + * + * The first loop finds and expands all positive refspecs + * matched by the queried ref. + * + * The second loop checks if any of the results of the first loop + * match any negative refspec. + */ + for (i = 0; i < rs->nr; i++) { + struct refspec_item *refspec = &rs->items[i]; + char *expn_name; + + if (refspec->negative) + continue; + + /* Note the reversal of src and dst */ + if (refspec->pattern) { + const char *key = refspec->dst ? refspec->dst : refspec->src; + const char *value = refspec->src; + + if (match_name_with_pattern(key, needle, value, &expn_name)) + string_list_append_nodup(&reversed, expn_name); + } else if (refspec->matching) { + /* For the special matching refspec, any query should match */ + string_list_append(&reversed, needle); + } else if (!refspec->src) { + BUG("refspec->src should not be null here"); + } else if (!strcmp(needle, refspec->src)) { + string_list_append(&reversed, refspec->src); + } + } + + for (i = 0; !matched_negative && i < reversed.nr; i++) { + if (refname_matches_negative_refspec_item(reversed.items[i].string, rs)) + matched_negative = 1; + } + + string_list_clear(&reversed, 0); + + return matched_negative; +} + +void refspec_find_all_matches(struct refspec *rs, + struct refspec_item *query, + struct string_list *results) +{ + int i; + int find_src = !query->src; + + if (find_src && !query->dst) + BUG("refspec_find_all_matches: need either src or dst"); + + if (refspec_find_negative_match(rs, query)) + return; + + for (i = 0; i < rs->nr; i++) { + struct refspec_item *refspec = &rs->items[i]; + const char *key = find_src ? refspec->dst : refspec->src; + const char *value = find_src ? refspec->src : refspec->dst; + const char *needle = find_src ? query->dst : query->src; + char **result = find_src ? &query->src : &query->dst; + + if (!refspec->dst || refspec->negative) + continue; + if (refspec->pattern) { + if (match_name_with_pattern(key, needle, value, result)) + string_list_append_nodup(results, *result); + } else if (!strcmp(needle, key)) { + string_list_append(results, value); + } + } +} + +int refspec_find_match(struct refspec *rs, struct refspec_item *query) +{ + int i; + int find_src = !query->src; + const char *needle = find_src ? query->dst : query->src; + char **result = find_src ? &query->src : &query->dst; + + if (find_src && !query->dst) + BUG("refspec_find_match: need either src or dst"); + + if (refspec_find_negative_match(rs, query)) + return -1; + + for (i = 0; i < rs->nr; i++) { + struct refspec_item *refspec = &rs->items[i]; + const char *key = find_src ? refspec->dst : refspec->src; + const char *value = find_src ? refspec->src : refspec->dst; + + if (!refspec->dst || refspec->negative) + continue; + if (refspec->pattern) { + if (match_name_with_pattern(key, needle, value, result)) { + query->force = refspec->force; + return 0; + } + } else if (!strcmp(needle, key)) { + *result = xstrdup(value); + query->force = refspec->force; + return 0; + } + } + return -1; +} @@ -30,6 +30,8 @@ struct refspec_item { char *raw; }; +struct string_list; + #define REFSPEC_FETCH 1 #define REFSPEC_PUSH 0 @@ -80,4 +82,18 @@ int refname_matches_negative_refspec_item(const char *refname, struct refspec *r int match_name_with_pattern(const char *key, const char *name, const char *value, char **result); +/* + * Queries a refspec for a match and updates the query item. + * Returns 0 on success, -1 if no match is found or negative refspec matches. + */ +int refspec_find_match(struct refspec *rs, struct refspec_item *query); + +/* + * Queries a refspec for all matches and appends results to the provided string + * list. + */ +void refspec_find_all_matches(struct refspec *rs, + struct refspec_item *query, + struct string_list *results); + #endif /* REFSPEC_H */ @@ -925,128 +925,6 @@ struct ref *apply_negative_refspecs(struct ref *ref_map, struct refspec *rs) return ref_map; } -static int refspec_find_negative_match(struct refspec *rs, struct refspec_item *query) -{ - int i, matched_negative = 0; - int find_src = !query->src; - struct string_list reversed = STRING_LIST_INIT_DUP; - const char *needle = find_src ? query->dst : query->src; - - /* - * Check whether the queried ref matches any negative refpsec. If so, - * then we should ultimately treat this as not matching the query at - * all. - * - * Note that negative refspecs always match the source, but the query - * item uses the destination. To handle this, we apply pattern - * refspecs in reverse to figure out if the query source matches any - * of the negative refspecs. - * - * The first loop finds and expands all positive refspecs - * matched by the queried ref. - * - * The second loop checks if any of the results of the first loop - * match any negative refspec. - */ - for (i = 0; i < rs->nr; i++) { - struct refspec_item *refspec = &rs->items[i]; - char *expn_name; - - if (refspec->negative) - continue; - - /* Note the reversal of src and dst */ - if (refspec->pattern) { - const char *key = refspec->dst ? refspec->dst : refspec->src; - const char *value = refspec->src; - - if (match_name_with_pattern(key, needle, value, &expn_name)) - string_list_append_nodup(&reversed, expn_name); - } else if (refspec->matching) { - /* For the special matching refspec, any query should match */ - string_list_append(&reversed, needle); - } else if (!refspec->src) { - BUG("refspec->src should not be null here"); - } else if (!strcmp(needle, refspec->src)) { - string_list_append(&reversed, refspec->src); - } - } - - for (i = 0; !matched_negative && i < reversed.nr; i++) { - if (refname_matches_negative_refspec_item(reversed.items[i].string, rs)) - matched_negative = 1; - } - - string_list_clear(&reversed, 0); - - return matched_negative; -} - -static void refspec_find_all_matches(struct refspec *rs, - struct refspec_item *query, - struct string_list *results) -{ - int i; - int find_src = !query->src; - - if (find_src && !query->dst) - BUG("refspec_find_all_matches: need either src or dst"); - - if (refspec_find_negative_match(rs, query)) - return; - - for (i = 0; i < rs->nr; i++) { - struct refspec_item *refspec = &rs->items[i]; - const char *key = find_src ? refspec->dst : refspec->src; - const char *value = find_src ? refspec->src : refspec->dst; - const char *needle = find_src ? query->dst : query->src; - char **result = find_src ? &query->src : &query->dst; - - if (!refspec->dst || refspec->negative) - continue; - if (refspec->pattern) { - if (match_name_with_pattern(key, needle, value, result)) - string_list_append_nodup(results, *result); - } else if (!strcmp(needle, key)) { - string_list_append(results, value); - } - } -} - -int refspec_find_match(struct refspec *rs, struct refspec_item *query) -{ - int i; - int find_src = !query->src; - const char *needle = find_src ? query->dst : query->src; - char **result = find_src ? &query->src : &query->dst; - - if (find_src && !query->dst) - BUG("refspec_find_match: need either src or dst"); - - if (refspec_find_negative_match(rs, query)) - return -1; - - for (i = 0; i < rs->nr; i++) { - struct refspec_item *refspec = &rs->items[i]; - const char *key = find_src ? refspec->dst : refspec->src; - const char *value = find_src ? refspec->src : refspec->dst; - - if (!refspec->dst || refspec->negative) - continue; - if (refspec->pattern) { - if (match_name_with_pattern(key, needle, value, result)) { - query->force = refspec->force; - return 0; - } - } else if (!strcmp(needle, key)) { - *result = xstrdup(value); - query->force = refspec->force; - return 0; - } - } - return -1; -} - char *apply_refspecs(struct refspec *rs, const char *name) { struct refspec_item query; |