static void copy_alternates(struct strbuf *src, struct strbuf *dst,
const char *src_repo)
{
/*
* Read from the source objects/info/alternates file
* and copy the entries to corresponding file in the
* destination repository with add_to_alternates_file().
* Both src and dst have "$path/objects/info/alternates".
*
* Instead of copying bit-for-bit from the original,
* we need to append to existing one so that the already
* created entry via "clone -s" is not lost, and also
* to turn entries with paths relative to the original
* absolute, so that they can be used in the new repository.
*/
FILE *in = fopen(src->buf, "r");
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, in, '\n') != EOF) {
char *abs_path, abs_buf[PATH_MAX];
if (!line.len || line.buf[0] == '#')
continue;
if (is_absolute_path(line.buf)) {
add_to_alternates_file(line.buf);
continue;
}
abs_path = mkpath("%s/objects/%s", src_repo, line.buf);
normalize_path_copy(abs_buf, abs_path);
add_to_alternates_file(abs_buf);
}
strbuf_release(&line);
fclose(in);
}
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
char *ref_git;
const char *repo;
struct strbuf alternate = STRBUF_INIT;
/* Beware: read_gitfile(), real_path() and mkpath() return static buffer */
ref_git = xstrdup(real_path(item->string));
repo = read_gitfile(ref_git);
if (!repo)
repo = read_gitfile(mkpath("%s/.git", ref_git));
if (repo) {
free(ref_git);
ref_git = xstrdup(repo);
}
if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) {
char *ref_git_git = mkpathdup("%s/.git", ref_git);
free(ref_git);
ref_git = ref_git_git;
} else if (!is_directory(mkpath("%s/objects", ref_git)))
die(_("reference repository '%s' is not a local repository."),
item->string);
strbuf_addf(&alternate, "%s/objects", ref_git);
add_to_alternates_file(alternate.buf);
strbuf_release(&alternate);
free(ref_git);
return 0;
}
static const struct ref *clone_local(const char *src_repo,
const char *dest_repo)
{
const struct ref *ret;
struct strbuf src = STRBUF_INIT;
struct strbuf dest = STRBUF_INIT;
struct remote *remote;
struct transport *transport;
if (option_shared)
add_to_alternates_file(src_repo);
else {
strbuf_addf(&src, "%s/objects", src_repo);
strbuf_addf(&dest, "%s/objects", dest_repo);
copy_or_link_directory(&src, &dest);
strbuf_release(&src);
strbuf_release(&dest);
}
remote = remote_get(src_repo);
transport = transport_get(remote, src_repo);
ret = transport_get_remote_refs(transport);
transport_disconnect(transport);
return ret;
}
static void setup_reference(const char *repo)
{
const char *ref_git;
char *ref_git_copy;
struct remote *remote;
struct transport *transport;
const struct ref *extra;
ref_git = make_absolute_path(option_reference);
if (is_directory(mkpath("%s/.git/objects", ref_git)))
ref_git = mkpath("%s/.git", ref_git);
else if (!is_directory(mkpath("%s/objects", ref_git)))
die("reference repository '%s' is not a local directory.",
option_reference);
ref_git_copy = xstrdup(ref_git);
add_to_alternates_file(ref_git_copy);
remote = remote_get(ref_git_copy);
transport = transport_get(remote, ref_git_copy);
for (extra = transport_get_remote_refs(transport); extra;
extra = extra->next)
add_extra_ref(extra->name, extra->old_sha1, 0);
transport_disconnect(transport);
free(ref_git_copy);
}
static const struct ref *clone_local(const char *src_repo,
const char *dest_repo)
{
const struct ref *ret;
struct remote *remote;
struct transport *transport;
if (option_shared) {
struct strbuf alt = STRBUF_INIT;
strbuf_addf(&alt, "%s/objects", src_repo);
add_to_alternates_file(alt.buf);
strbuf_release(&alt);
} else {
struct strbuf src = STRBUF_INIT;
struct strbuf dest = STRBUF_INIT;
strbuf_addf(&src, "%s/objects", src_repo);
strbuf_addf(&dest, "%s/objects", dest_repo);
copy_or_link_directory(&src, &dest, src_repo, src.len);
strbuf_release(&src);
strbuf_release(&dest);
}
remote = remote_get(src_repo);
transport = transport_get(remote, src_repo);
ret = transport_get_remote_refs(transport);
transport_disconnect(transport);
if (0 <= option_verbosity)
printf(_("done.\n"));
return ret;
}
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
char *ref_git;
struct strbuf alternate = STRBUF_INIT;
struct remote *remote;
struct transport *transport;
const struct ref *extra;
/* Beware: real_path() and mkpath() return static buffer */
ref_git = xstrdup(real_path(item->string));
if (is_directory(mkpath("%s/.git/objects", ref_git))) {
char *ref_git_git = xstrdup(mkpath("%s/.git", ref_git));
free(ref_git);
ref_git = ref_git_git;
} else if (!is_directory(mkpath("%s/objects", ref_git)))
die(_("reference repository '%s' is not a local directory."),
item->string);
strbuf_addf(&alternate, "%s/objects", ref_git);
add_to_alternates_file(alternate.buf);
strbuf_release(&alternate);
remote = remote_get(ref_git);
transport = transport_get(remote, ref_git);
for (extra = transport_get_remote_refs(transport); extra;
extra = extra->next)
add_extra_ref(extra->name, extra->old_sha1, 0);
transport_disconnect(transport);
free(ref_git);
return 0;
}
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
char *ref_git;
const char *repo;
struct strbuf alternate = STRBUF_INIT;
/* Beware: read_gitfile(), real_path() and mkpath() return static buffer */
ref_git = xstrdup(real_path(item->string));
repo = read_gitfile(ref_git);
if (!repo)
repo = read_gitfile(mkpath("%s/.git", ref_git));
if (repo) {
free(ref_git);
ref_git = xstrdup(repo);
}
if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) {
char *ref_git_git = mkpathdup("%s/.git", ref_git);
free(ref_git);
ref_git = ref_git_git;
} else if (!is_directory(mkpath("%s/objects", ref_git))) {
struct strbuf sb = STRBUF_INIT;
if (get_common_dir(&sb, ref_git))
die(_("reference repository '%s' as a linked checkout is not supported yet."),
item->string);
die(_("reference repository '%s' is not a local repository."),
item->string);
}
if (!access(mkpath("%s/shallow", ref_git), F_OK))
die(_("reference repository '%s' is shallow"), item->string);
if (!access(mkpath("%s/info/grafts", ref_git), F_OK))
die(_("reference repository '%s' is grafted"), item->string);
strbuf_addf(&alternate, "%s/objects", ref_git);
add_to_alternates_file(alternate.buf);
strbuf_release(&alternate);
free(ref_git);
return 0;
}
static void clone_local(const char *src_repo, const char *dest_repo)
{
if (option_shared) {
struct strbuf alt = STRBUF_INIT;
strbuf_addf(&alt, "%s/objects", src_repo);
add_to_alternates_file(alt.buf);
strbuf_release(&alt);
} else {
struct strbuf src = STRBUF_INIT;
struct strbuf dest = STRBUF_INIT;
strbuf_addf(&src, "%s/objects", src_repo);
strbuf_addf(&dest, "%s/objects", dest_repo);
copy_or_link_directory(&src, &dest, src_repo, src.len);
strbuf_release(&src);
strbuf_release(&dest);
}
if (0 <= option_verbosity)
fprintf(stderr, _("done.\n"));
}
static const struct ref *clone_local(const char *src_repo,
const char *dest_repo)
{
const struct ref *ret;
char src[PATH_MAX];
char dest[PATH_MAX];
struct remote *remote;
struct transport *transport;
if (option_shared)
add_to_alternates_file(src_repo);
else {
snprintf(src, PATH_MAX, "%s/objects", src_repo);
snprintf(dest, PATH_MAX, "%s/objects", dest_repo);
copy_or_link_directory(src, dest);
}
remote = remote_get(src_repo);
transport = transport_get(remote, src_repo);
ret = transport_get_remote_refs(transport);
transport_disconnect(transport);
return ret;
}
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
struct strbuf err = STRBUF_INIT;
int *required = cb_data;
char *ref_git = compute_alternate_path(item->string, &err);
if (!ref_git) {
if (*required)
die("%s", err.buf);
else
fprintf(stderr,
_("info: Could not add alternate for '%s': %s\n"),
item->string, err.buf);
} else {
struct strbuf sb = STRBUF_INIT;
strbuf_addf(&sb, "%s/objects", ref_git);
add_to_alternates_file(sb.buf);
strbuf_release(&sb);
}
strbuf_release(&err);
free(ref_git);
return 0;
}
