static struct alternate_object_database *fakeent;
if (!fakeent) {
+ /*
+ * Create a "fake" alternate object database that
+ * points to our own object database, to make it
+ * easier to get a temporary working space in
+ * alt->name/alt->base while iterating over the
+ * object databases including our own.
+ */
const char *objdir = get_object_directory();
int objdir_len = strlen(objdir);
int entlen = objdir_len + 43;
last = num;
while (first < last) {
uint32_t mid = (first + last) / 2;
- const unsigned char *now;
+ const unsigned char *current;
int cmp;
- now = nth_packed_object_sha1(p, mid);
- cmp = hashcmp(match, now);
+ current = nth_packed_object_sha1(p, mid);
+ cmp = hashcmp(match, current);
if (!cmp) {
first = mid;
break;
last = mid;
}
if (first < num) {
- const unsigned char *now, *next;
- now = nth_packed_object_sha1(p, first);
- if (match_sha(len, match, now)) {
+ const unsigned char *current, *next;
+ current = nth_packed_object_sha1(p, first);
+ if (match_sha(len, match, current)) {
next = nth_packed_object_sha1(p, first+1);
- if (!next|| !match_sha(len, match, next)) {
+ if (!next|| !match_sha(len, match, next)) {
/* unique within this pack */
if (!found) {
- found_sha1 = now;
+ found_sha1 = current;
found++;
}
- else if (hashcmp(found_sha1, now)) {
+ else if (hashcmp(found_sha1, current)) {
found = 2;
break;
}
return slash;
}
-/*
- * *string and *len will only be substituted, and *string returned (for
- * later free()ing) if the string passed in is a magic short-hand form
- * to name a branch.
- */
-static char *substitute_branch_name(const char **string, int *len)
-{
- struct strbuf buf = STRBUF_INIT;
- int ret = interpret_branch_name(*string, &buf);
-
- if (ret == *len) {
- size_t size;
- *string = strbuf_detach(&buf, &size);
- *len = size;
- return (char *)*string;
- }
-
- return NULL;
-}
-
-int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
-{
- char *last_branch = substitute_branch_name(&str, &len);
- const char **p, *r;
- int refs_found = 0;
-
- *ref = NULL;
- for (p = ref_rev_parse_rules; *p; p++) {
- char fullref[PATH_MAX];
- unsigned char sha1_from_ref[20];
- unsigned char *this_result;
- int flag;
-
- this_result = refs_found ? sha1_from_ref : sha1;
- mksnpath(fullref, sizeof(fullref), *p, len, str);
- r = resolve_ref(fullref, this_result, 1, &flag);
- if (r) {
- if (!refs_found++)
- *ref = xstrdup(r);
- if (!warn_ambiguous_refs)
- break;
- } else if ((flag & REF_ISSYMREF) && strcmp(fullref, "HEAD"))
- warning("ignoring dangling symref %s.", fullref);
- }
- free(last_branch);
- return refs_found;
-}
-
-int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
-{
- char *last_branch = substitute_branch_name(&str, &len);
- const char **p;
- int logs_found = 0;
-
- *log = NULL;
- for (p = ref_rev_parse_rules; *p; p++) {
- struct stat st;
- unsigned char hash[20];
- char path[PATH_MAX];
- const char *ref, *it;
-
- mksnpath(path, sizeof(path), *p, len, str);
- ref = resolve_ref(path, hash, 1, NULL);
- if (!ref)
- continue;
- if (!stat(git_path("logs/%s", path), &st) &&
- S_ISREG(st.st_mode))
- it = path;
- else if (strcmp(ref, path) &&
- !stat(git_path("logs/%s", ref), &st) &&
- S_ISREG(st.st_mode))
- it = ref;
- else
- continue;
- if (!logs_found++) {
- *log = xstrdup(it);
- hashcpy(sha1, hash);
- }
- if (!warn_ambiguous_refs)
- break;
- }
- free(last_branch);
- return logs_found;
-}
-
static inline int upstream_mark(const char *string, int len)
{
const char *suffix[] = { "@{upstream}", "@{u}" };
{
if (name && !namelen)
namelen = strlen(name);
- if (!o) {
- unsigned char sha1[20];
- if (get_sha1_1(name, namelen, sha1))
- return NULL;
- o = parse_object(sha1);
- }
while (1) {
if (!o || (!o->parsed && !parse_object(o->sha1)))
return NULL;
{
strbuf_branchname(sb, name);
if (name[0] == '-')
- return CHECK_REF_FORMAT_ERROR;
+ return -1;
strbuf_splice(sb, 0, 0, "refs/heads/", 11);
- return check_ref_format(sb->buf);
+ return check_refname_format(sb->buf, 0);
}
/*
}
-int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode,
- int only_to_die, const char *prefix)
-{
- struct object_context oc;
- int ret;
- ret = get_sha1_with_context_1(name, sha1, &oc, only_to_die, prefix);
- *mode = oc.mode;
- return ret;
-}
-
static char *resolve_relative_path(const char *rel)
{
if (prefixcmp(rel, "./") && prefixcmp(rel, "../"))
rel);
}
-int get_sha1_with_context_1(const char *name, unsigned char *sha1,
- struct object_context *oc,
- int only_to_die, const char *prefix)
+static int get_sha1_with_context_1(const char *name, unsigned char *sha1,
+ struct object_context *oc,
+ int only_to_die, const char *prefix)
{
int ret, bracket_depth;
int namelen = strlen(name);
}
return ret;
}
+
+/*
+ * Call this function when you know "name" given by the end user must
+ * name an object but it doesn't; the function _may_ die with a better
+ * diagnostic message than "no such object 'name'", e.g. "Path 'doc' does not
+ * exist in 'HEAD'" when given "HEAD:doc", or it may return in which case
+ * you have a chance to diagnose the error further.
+ */
+void maybe_die_on_misspelt_object_name(const char *name, const char *prefix)
+{
+ struct object_context oc;
+ unsigned char sha1[20];
+ get_sha1_with_context_1(name, sha1, &oc, 1, prefix);
+}
+
+int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc)
+{
+ return get_sha1_with_context_1(str, sha1, orc, 0, NULL);
+}