#include "blob.h"
#include "dir.h"
#include "streaming.h"
+#include "submodule.h"
static void create_directories(const char *path, int path_len,
const struct checkout *state)
static void *read_blob_entry(const struct cache_entry *ce, unsigned long *size)
{
enum object_type type;
- void *new = read_sha1_file(ce->sha1, &type, size);
+ void *new = read_sha1_file(ce->oid.hash, &type, size);
if (new) {
if (type == OBJ_BLOB)
if (fd < 0)
return -1;
- result |= stream_blob_to_fd(fd, ce->sha1, filter, 1);
+ result |= stream_blob_to_fd(fd, &ce->oid, filter, 1);
*fstat_done = fstat_output(fd, state, statbuf);
result |= close(fd);
return result;
}
+void enable_delayed_checkout(struct checkout *state)
+{
+ if (!state->delayed_checkout) {
+ state->delayed_checkout = xmalloc(sizeof(*state->delayed_checkout));
+ state->delayed_checkout->state = CE_CAN_DELAY;
+ string_list_init(&state->delayed_checkout->filters, 0);
+ string_list_init(&state->delayed_checkout->paths, 0);
+ }
+}
+
+static int remove_available_paths(struct string_list_item *item, void *cb_data)
+{
+ struct string_list *available_paths = cb_data;
+ struct string_list_item *available;
+
+ available = string_list_lookup(available_paths, item->string);
+ if (available)
+ available->util = (void *)item->string;
+ return !available;
+}
+
+int finish_delayed_checkout(struct checkout *state)
+{
+ int errs = 0;
+ struct string_list_item *filter, *path;
+ struct delayed_checkout *dco = state->delayed_checkout;
+
+ if (!state->delayed_checkout)
+ return errs;
+
+ dco->state = CE_RETRY;
+ while (dco->filters.nr > 0) {
+ for_each_string_list_item(filter, &dco->filters) {
+ struct string_list available_paths = STRING_LIST_INIT_NODUP;
+
+ if (!async_query_available_blobs(filter->string, &available_paths)) {
+ /* Filter reported an error */
+ errs = 1;
+ filter->string = "";
+ continue;
+ }
+ if (available_paths.nr <= 0) {
+ /*
+ * Filter responded with no entries. That means
+ * the filter is done and we can remove the
+ * filter from the list (see
+ * "string_list_remove_empty_items" call below).
+ */
+ filter->string = "";
+ continue;
+ }
+
+ /*
+ * In dco->paths we store a list of all delayed paths.
+ * The filter just send us a list of available paths.
+ * Remove them from the list.
+ */
+ filter_string_list(&dco->paths, 0,
+ &remove_available_paths, &available_paths);
+
+ for_each_string_list_item(path, &available_paths) {
+ struct cache_entry* ce;
+
+ if (!path->util) {
+ error("external filter '%s' signaled that '%s' "
+ "is now available although it has not been "
+ "delayed earlier",
+ filter->string, path->string);
+ errs |= 1;
+
+ /*
+ * Do not ask the filter for available blobs,
+ * again, as the filter is likely buggy.
+ */
+ filter->string = "";
+ continue;
+ }
+ ce = index_file_exists(state->istate, path->string,
+ strlen(path->string), 0);
+ errs |= (ce ? checkout_entry(ce, state, NULL) : 1);
+ }
+ }
+ string_list_remove_empty_items(&dco->filters, 0);
+ }
+ string_list_clear(&dco->filters, 0);
+
+ /* At this point we should not have any delayed paths anymore. */
+ errs |= dco->paths.nr;
+ for_each_string_list_item(path, &dco->paths) {
+ error("'%s' was not filtered properly", path->string);
+ }
+ string_list_clear(&dco->paths, 0);
+
+ free(dco);
+ state->delayed_checkout = NULL;
+
+ return errs;
+}
+
static int write_entry(struct cache_entry *ce,
char *path, const struct checkout *state, int to_tempfile)
{
unsigned long size;
size_t wrote, newsize = 0;
struct stat st;
+ const struct submodule *sub;
if (ce_mode_s_ifmt == S_IFREG) {
- struct stream_filter *filter = get_stream_filter(ce->name, ce->sha1);
+ struct stream_filter *filter = get_stream_filter(ce->name,
+ ce->oid.hash);
if (filter &&
!streaming_write_entry(ce, path, filter,
state, to_tempfile,
new = read_blob_entry(ce, &size);
if (!new)
return error("unable to read sha1 file of %s (%s)",
- path, sha1_to_hex(ce->sha1));
+ path, oid_to_hex(&ce->oid));
if (ce_mode_s_ifmt == S_IFLNK && has_symlinks && !to_tempfile) {
ret = symlink(new, path);
/*
* Convert from git internal format to working tree format
*/
- if (ce_mode_s_ifmt == S_IFREG &&
- convert_to_working_tree(ce->name, new, size, &buf)) {
- free(new);
- new = strbuf_detach(&buf, &newsize);
- size = newsize;
+ if (ce_mode_s_ifmt == S_IFREG) {
+ struct delayed_checkout *dco = state->delayed_checkout;
+ if (dco && dco->state != CE_NO_DELAY) {
+ /* Do not send the blob in case of a retry. */
+ if (dco->state == CE_RETRY) {
+ new = NULL;
+ size = 0;
+ }
+ ret = async_convert_to_working_tree(
+ ce->name, new, size, &buf, dco);
+ if (ret && string_list_has_string(&dco->paths, ce->name)) {
+ free(new);
+ goto finish;
+ }
+ } else
+ ret = convert_to_working_tree(
+ ce->name, new, size, &buf);
+
+ if (ret) {
+ free(new);
+ new = strbuf_detach(&buf, &newsize);
+ size = newsize;
+ }
+ /*
+ * No "else" here as errors from convert are OK at this
+ * point. If the error would have been fatal (e.g.
+ * filter is required), then we would have died already.
+ */
}
fd = open_output_fd(path, ce, to_tempfile);
return error("cannot create temporary submodule %s", path);
if (mkdir(path, 0777) < 0)
return error("cannot create submodule directory %s", path);
+ sub = submodule_from_ce(ce);
+ if (sub)
+ return submodule_move_head(ce->name,
+ NULL, oid_to_hex(&ce->oid),
+ state->force ? SUBMODULE_MOVE_HEAD_FORCE : 0);
break;
default:
return error("unknown file mode for %s in index", path);
strbuf_add(&path, ce->name, ce_namelen(ce));
if (!check_path(path.buf, path.len, &st, state->base_dir_len)) {
+ const struct submodule *sub;
unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
+ /*
+ * Needs to be checked before !changed returns early,
+ * as the possibly empty directory was not changed
+ */
+ sub = submodule_from_ce(ce);
+ if (sub) {
+ int err;
+ if (!is_submodule_populated_gently(ce->name, &err)) {
+ struct stat sb;
+ if (lstat(ce->name, &sb))
+ die(_("could not stat file '%s'"), ce->name);
+ if (!(st.st_mode & S_IFDIR))
+ unlink_or_warn(ce->name);
+
+ return submodule_move_head(ce->name,
+ NULL, oid_to_hex(&ce->oid), 0);
+ } else
+ return submodule_move_head(ce->name,
+ "HEAD", oid_to_hex(&ce->oid),
+ state->force ? SUBMODULE_MOVE_HEAD_FORCE : 0);
+ }
+
if (!changed)
return 0;
if (!state->force) {