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authorJunio C Hamano <gitster@pobox.com>2009-04-12 23:46:42 (GMT)
committerJunio C Hamano <gitster@pobox.com>2009-04-12 23:46:42 (GMT)
commit3e52effcf6efa9ef27b3d67d13f535a0381e3bf2 (patch)
tree5361ee873615264333932f876287ee66287970e6 /builtin-for-each-ref.c
parentc276857ee250ca1c3a36cba8358f50ba01e97917 (diff)
parent2d8a7f0b30b4f9ef750ab763aabec117ffe4e749 (diff)
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Merge branch 'jk/show-upstream'
* jk/show-upstream: branch: show upstream branch when double verbose make get_short_ref a public function for-each-ref: add "upstream" format field for-each-ref: refactor refname handling for-each-ref: refactor get_short_ref function
Diffstat (limited to 'builtin-for-each-ref.c')
-rw-r--r--builtin-for-each-ref.c164
1 files changed, 40 insertions, 124 deletions
diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 5cbb4b0..c8114c8 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" },
};
/*
@@ -544,109 +546,6 @@ 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.
*/
static void populate_value(struct refinfo *ref)
@@ -672,32 +571,49 @@ static void populate_value(struct refinfo *ref)
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);
+ 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;
}
}