-#include "fetch.h"
-
#include "cache.h"
+#include "fetch.h"
#include "commit.h"
#include "tree.h"
+#include "tree-walk.h"
#include "tag.h"
#include "blob.h"
#include "refs.h"
-
-const char *write_ref = NULL;
-
-const unsigned char *current_ref = NULL;
+#include "strbuf.h"
int get_tree = 0;
int get_history = 0;
int get_all = 0;
int get_verbosely = 0;
+int get_recover = 0;
static unsigned char current_commit_sha1[20];
void pull_say(const char *fmt, const char *hex)
fprintf(stderr, fmt, hex);
}
-static void report_missing(const char *what, const unsigned char *missing)
+static void report_missing(const struct object *obj)
{
char missing_hex[41];
-
- strcpy(missing_hex, sha1_to_hex(missing));;
- fprintf(stderr,
- "Cannot obtain needed %s %s\nwhile processing commit %s.\n",
- what, missing_hex, sha1_to_hex(current_commit_sha1));
+ strcpy(missing_hex, sha1_to_hex(obj->sha1));;
+ fprintf(stderr, "Cannot obtain needed %s %s\n",
+ obj->type ? typename(obj->type): "object", missing_hex);
+ if (!is_null_sha1(current_commit_sha1))
+ fprintf(stderr, "while processing commit %s.\n",
+ sha1_to_hex(current_commit_sha1));
}
static int process(struct object *obj);
static int process_tree(struct tree *tree)
{
- struct tree_entry_list *entry;
+ struct tree_desc desc;
+ struct name_entry entry;
if (parse_tree(tree))
return -1;
- entry = tree->entries;
- tree->entries = NULL;
- while (entry) {
- struct tree_entry_list *next = entry->next;
- if (process(entry->item.any))
+ desc.buf = tree->buffer;
+ desc.size = tree->size;
+ while (tree_entry(&desc, &entry)) {
+ struct object *obj = NULL;
+
+ if (S_ISDIR(entry.mode)) {
+ struct tree *tree = lookup_tree(entry.sha1);
+ if (tree)
+ obj = &tree->object;
+ }
+ else {
+ struct blob *blob = lookup_blob(entry.sha1);
+ if (blob)
+ obj = &blob->object;
+ }
+ if (!obj || process(obj))
return -1;
- free(entry);
- entry = next;
}
+ free(tree->buffer);
+ tree->buffer = NULL;
+ tree->size = 0;
return 0;
}
-#define COMPLETE 1U
-#define TO_SCAN 4U
-#define SEEN 16U
+#define COMPLETE (1U << 0)
+#define SEEN (1U << 1)
+#define TO_SCAN (1U << 2)
static struct commit_list *complete = NULL;
if (commit->object.flags & COMPLETE)
return 0;
- memcpy(current_commit_sha1, commit->object.sha1, 20);
+ hashcpy(current_commit_sha1, commit->object.sha1);
pull_say("walk %s\n", sha1_to_hex(commit->object.sha1));
static int process_object(struct object *obj)
{
- if (obj->type == commit_type) {
+ if (obj->type == OBJ_COMMIT) {
if (process_commit((struct commit *)obj))
return -1;
return 0;
}
- if (obj->type == tree_type) {
+ if (obj->type == OBJ_TREE) {
if (process_tree((struct tree *)obj))
return -1;
return 0;
}
- if (obj->type == blob_type) {
+ if (obj->type == OBJ_BLOB) {
return 0;
}
- if (obj->type == tag_type) {
+ if (obj->type == OBJ_TAG) {
if (process_tag((struct tag *)obj))
return -1;
return 0;
}
return error("Unable to determine requirements "
"of type %s for %s",
- obj->type, sha1_to_hex(obj->sha1));
+ typename(obj->type), sha1_to_hex(obj->sha1));
}
static int process(struct object *obj)
obj->flags |= SEEN;
if (has_sha1_file(obj->sha1)) {
- parse_object(obj->sha1);
/* We already have it, so we should scan it now. */
- if (obj->flags & TO_SCAN)
- return 0;
obj->flags |= TO_SCAN;
- } else {
+ }
+ else {
if (obj->flags & COMPLETE)
return 0;
prefetch(obj->sha1);
* the queue because we needed to fetch it first.
*/
if (! (obj->flags & TO_SCAN)) {
- if (!has_sha1_file(obj->sha1) && fetch(obj->sha1)) {
- report_missing(obj->type
- ? obj->type
- : "object", obj->sha1);
+ if (fetch(obj->sha1)) {
+ report_missing(obj);
return -1;
}
}
return -1;
}
-static int mark_complete(const char *path, const unsigned char *sha1)
+static int mark_complete(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
struct commit *commit = lookup_commit_reference_gently(sha1, 1);
if (commit) {
return 0;
}
-int pull(char *target)
+int pull_targets_stdin(char ***target, const char ***write_ref)
+{
+ int targets = 0, targets_alloc = 0;
+ struct strbuf buf;
+ *target = NULL; *write_ref = NULL;
+ strbuf_init(&buf);
+ while (1) {
+ char *rf_one = NULL;
+ char *tg_one;
+
+ read_line(&buf, stdin, '\n');
+ if (buf.eof)
+ break;
+ tg_one = buf.buf;
+ rf_one = strchr(tg_one, '\t');
+ if (rf_one)
+ *rf_one++ = 0;
+
+ if (targets >= targets_alloc) {
+ targets_alloc = targets_alloc ? targets_alloc * 2 : 64;
+ *target = xrealloc(*target, targets_alloc * sizeof(**target));
+ *write_ref = xrealloc(*write_ref, targets_alloc * sizeof(**write_ref));
+ }
+ (*target)[targets] = xstrdup(tg_one);
+ (*write_ref)[targets] = rf_one ? xstrdup(rf_one) : NULL;
+ targets++;
+ }
+ return targets;
+}
+
+void pull_targets_free(int targets, char **target, const char **write_ref)
+{
+ while (targets--) {
+ free(target[targets]);
+ if (write_ref && write_ref[targets])
+ free((char *) write_ref[targets]);
+ }
+}
+
+int pull(int targets, char **target, const char **write_ref,
+ const char *write_ref_log_details)
{
- unsigned char sha1[20];
- int fd = -1;
+ struct ref_lock **lock = xcalloc(targets, sizeof(struct ref_lock *));
+ unsigned char *sha1 = xmalloc(targets * 20);
+ char *msg;
+ int ret;
+ int i;
save_commit_buffer = 0;
- if (write_ref && current_ref) {
- fd = lock_ref_sha1(write_ref, current_ref);
- if (fd < 0)
- return -1;
+ track_object_refs = 0;
+
+ for (i = 0; i < targets; i++) {
+ if (!write_ref || !write_ref[i])
+ continue;
+
+ lock[i] = lock_ref_sha1(write_ref[i], NULL);
+ if (!lock[i]) {
+ error("Can't lock ref %s", write_ref[i]);
+ goto unlock_and_fail;
+ }
}
- for_each_ref(mark_complete);
+ if (!get_recover)
+ for_each_ref(mark_complete, NULL);
- if (interpret_target(target, sha1))
- return error("Could not interpret %s as something to pull",
- target);
- if (process(lookup_unknown_object(sha1)))
- return -1;
- if (loop())
- return -1;
-
- if (write_ref) {
- if (current_ref) {
- write_ref_sha1(write_ref, fd, sha1);
- } else {
- write_ref_sha1_unlocked(write_ref, sha1);
+ for (i = 0; i < targets; i++) {
+ if (interpret_target(target[i], &sha1[20 * i])) {
+ error("Could not interpret %s as something to pull", target[i]);
+ goto unlock_and_fail;
}
+ if (process(lookup_unknown_object(&sha1[20 * i])))
+ goto unlock_and_fail;
}
+
+ if (loop())
+ goto unlock_and_fail;
+
+ if (write_ref_log_details) {
+ msg = xmalloc(strlen(write_ref_log_details) + 12);
+ sprintf(msg, "fetch from %s", write_ref_log_details);
+ } else {
+ msg = NULL;
+ }
+ for (i = 0; i < targets; i++) {
+ if (!write_ref || !write_ref[i])
+ continue;
+ ret = write_ref_sha1(lock[i], &sha1[20 * i], msg ? msg : "fetch (unknown)");
+ lock[i] = NULL;
+ if (ret)
+ goto unlock_and_fail;
+ }
+ free(msg);
+
return 0;
+
+
+unlock_and_fail:
+ for (i = 0; i < targets; i++)
+ if (lock[i])
+ unlock_ref(lock[i]);
+ return -1;
}