X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-for-each-ref.c;h=a5a83f14693b94adf3ae0dbc1b500b2e6b2be54d;hb=5f8a0de98b727b9bfaea0f3318066109fd6745b8;hp=e46b7adc9719e147536398e8e365d6d3e65a4ba7;hpb=96aa7adda3b0254e4b9904f53bb38cd76bfea7bb;p=git.git diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c index e46b7adc9..a5a83f146 100644 --- a/builtin-for-each-ref.c +++ b/builtin-for-each-ref.c @@ -8,6 +8,7 @@ #include "blob.h" #include "quote.h" #include "parse-options.h" +#include "remote.h" /* Quoting styles */ #define QUOTE_NONE 0 @@ -66,6 +67,7 @@ static struct { { "subject" }, { "body" }, { "contents" }, + { "upstream" }, }; /* @@ -337,8 +339,11 @@ static const char *copy_name(const char *buf) static const char *copy_email(const char *buf) { const char *email = strchr(buf, '<'); - const char *eoemail = strchr(email, '>'); - if (!email || !eoemail) + const char *eoemail; + if (!email) + return ""; + eoemail = strchr(email, '>'); + if (!eoemail) return ""; return xmemdupz(email, eoemail + 1 - email); } @@ -543,109 +548,6 @@ static void grab_values(struct atom_value *val, int deref, struct object *obj, v } } -/* - * generate a format suitable for scanf from a ref_rev_parse_rules - * rule, that is replace the "%.*s" spec with a "%s" spec - */ -static void gen_scanf_fmt(char *scanf_fmt, const char *rule) -{ - char *spec; - - spec = strstr(rule, "%.*s"); - if (!spec || strstr(spec + 4, "%.*s")) - die("invalid rule in ref_rev_parse_rules: %s", rule); - - /* copy all until spec */ - strncpy(scanf_fmt, rule, spec - rule); - scanf_fmt[spec - rule] = '\0'; - /* copy new spec */ - strcat(scanf_fmt, "%s"); - /* copy remaining rule */ - strcat(scanf_fmt, spec + 4); - - return; -} - -/* - * Shorten the refname to an non-ambiguous form - */ -static char *get_short_ref(struct refinfo *ref) -{ - int i; - static char **scanf_fmts; - static int nr_rules; - char *short_name; - - /* pre generate scanf formats from ref_rev_parse_rules[] */ - if (!nr_rules) { - size_t total_len = 0; - - /* the rule list is NULL terminated, count them first */ - for (; ref_rev_parse_rules[nr_rules]; nr_rules++) - /* no +1 because strlen("%s") < strlen("%.*s") */ - total_len += strlen(ref_rev_parse_rules[nr_rules]); - - scanf_fmts = xmalloc(nr_rules * sizeof(char *) + total_len); - - total_len = 0; - for (i = 0; i < nr_rules; i++) { - scanf_fmts[i] = (char *)&scanf_fmts[nr_rules] - + total_len; - gen_scanf_fmt(scanf_fmts[i], ref_rev_parse_rules[i]); - total_len += strlen(ref_rev_parse_rules[i]); - } - } - - /* bail out if there are no rules */ - if (!nr_rules) - return ref->refname; - - /* buffer for scanf result, at most ref->refname must fit */ - short_name = xstrdup(ref->refname); - - /* skip first rule, it will always match */ - for (i = nr_rules - 1; i > 0 ; --i) { - int j; - int short_name_len; - - if (1 != sscanf(ref->refname, scanf_fmts[i], short_name)) - continue; - - short_name_len = strlen(short_name); - - /* - * check if the short name resolves to a valid ref, - * but use only rules prior to the matched one - */ - for (j = 0; j < i; j++) { - const char *rule = ref_rev_parse_rules[j]; - unsigned char short_objectname[20]; - char refname[PATH_MAX]; - - /* - * the short name is ambiguous, if it resolves - * (with this previous rule) to a valid ref - * read_ref() returns 0 on success - */ - mksnpath(refname, sizeof(refname), - rule, short_name_len, short_name); - if (!read_ref(refname, short_objectname)) - break; - } - - /* - * short name is non-ambiguous if all previous rules - * haven't resolved to a valid ref - */ - if (j == i) - return short_name; - } - - free(short_name); - return ref->refname; -} - - /* * Parse the object referred by ref, and grab needed value. */ @@ -659,48 +561,74 @@ static void populate_value(struct refinfo *ref) ref->value = xcalloc(sizeof(struct atom_value), used_atom_cnt); - buf = get_obj(ref->objectname, &obj, &size, &eaten); - if (!buf) - die("missing object %s for %s", - sha1_to_hex(ref->objectname), ref->refname); - if (!obj) - die("parse_object_buffer failed on %s for %s", - sha1_to_hex(ref->objectname), ref->refname); - /* Fill in specials first */ for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i]; struct atom_value *v = &ref->value[i]; int deref = 0; + const char *refname; + const char *formatp; + if (*name == '*') { deref = 1; name++; } - if (!prefixcmp(name, "refname")) { - const char *formatp = strchr(name, ':'); - const char *refname = ref->refname; - - /* look for "short" refname format */ - if (formatp) { - formatp++; - if (!strcmp(formatp, "short")) - refname = get_short_ref(ref); - else - die("unknown refname format %s", - formatp); - } - if (!deref) - v->s = refname; - else { - int len = strlen(refname); - char *s = xmalloc(len + 4); - sprintf(s, "%s^{}", refname); - v->s = s; - } + if (!prefixcmp(name, "refname")) + refname = ref->refname; + else if (!prefixcmp(name, "upstream")) { + struct branch *branch; + /* only local branches may have an upstream */ + if (prefixcmp(ref->refname, "refs/heads/")) + continue; + branch = branch_get(ref->refname + 11); + + if (!branch || !branch->merge || !branch->merge[0] || + !branch->merge[0]->dst) + continue; + refname = branch->merge[0]->dst; + } + else + continue; + + formatp = strchr(name, ':'); + /* look for "short" refname format */ + if (formatp) { + formatp++; + if (!strcmp(formatp, "short")) + refname = shorten_unambiguous_ref(refname, + warn_ambiguous_refs); + else + die("unknown %.*s format %s", + (int)(formatp - name), name, formatp); + } + + if (!deref) + v->s = refname; + else { + int len = strlen(refname); + char *s = xmalloc(len + 4); + sprintf(s, "%s^{}", refname); + v->s = s; } } + for (i = 0; i < used_atom_cnt; i++) { + struct atom_value *v = &ref->value[i]; + if (v->s == NULL) + goto need_obj; + } + return; + + need_obj: + buf = get_obj(ref->objectname, &obj, &size, &eaten); + if (!buf) + die("missing object %s for %s", + sha1_to_hex(ref->objectname), ref->refname); + if (!obj) + die("parse_object_buffer failed on %s for %s", + sha1_to_hex(ref->objectname), ref->refname); + grab_values(ref->value, 0, obj, buf, size); if (!eaten) free(buf); @@ -943,7 +871,6 @@ static int opt_parse_sort(const struct option *opt, const char *arg, int unset) return -1; *sort_tail = s = xcalloc(1, sizeof(*s)); - sort_tail = &s->next; if (*arg == '-') { s->reverse = 1; @@ -986,7 +913,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) OPT_END(), }; - parse_options(argc, argv, opts, for_each_ref_usage, 0); + parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0); if (maxcount < 0) { error("invalid --count argument: `%d'", maxcount); usage_with_options(for_each_ref_usage, opts); @@ -1002,9 +929,12 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) sort = default_sort(); sort_atom_limit = used_atom_cnt; + /* for warn_ambiguous_refs */ + git_config(git_default_config, NULL); + memset(&cbdata, 0, sizeof(cbdata)); cbdata.grab_pattern = argv; - for_each_ref(grab_single_ref, &cbdata); + for_each_rawref(grab_single_ref, &cbdata); refs = cbdata.grab_array; num_refs = cbdata.grab_cnt;