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Diffstat (limited to 'builtin/fast-export.c')
-rw-r--r--builtin/fast-export.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 77dffd1..725c0a7 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -43,7 +43,7 @@ static int parse_opt_signed_tag_mode(const struct option *opt,
else if (!strcmp(arg, "strip"))
signed_tag_mode = STRIP;
else
- return error("Unknown signed-tag mode: %s", arg);
+ return error("Unknown signed-tags mode: %s", arg);
return 0;
}
@@ -113,12 +113,13 @@ static void show_progress(void)
printf("progress %d objects\n", counter);
}
-static void handle_object(const unsigned char *sha1)
+static void export_blob(const unsigned char *sha1)
{
unsigned long size;
enum object_type type;
char *buf;
struct object *object;
+ int eaten;
if (no_data)
return;
@@ -126,16 +127,18 @@ static void handle_object(const unsigned char *sha1)
if (is_null_sha1(sha1))
return;
- object = parse_object(sha1);
- if (!object)
- die ("Could not read blob %s", sha1_to_hex(sha1));
-
- if (object->flags & SHOWN)
+ object = lookup_object(sha1);
+ if (object && object->flags & SHOWN)
return;
buf = read_sha1_file(sha1, &type, &size);
if (!buf)
die ("Could not read blob %s", sha1_to_hex(sha1));
+ if (check_sha1_signature(sha1, buf, size, typename(type)) < 0)
+ die("sha1 mismatch in blob %s", sha1_to_hex(sha1));
+ object = parse_object_buffer(sha1, type, size, buf, &eaten);
+ if (!object)
+ die("Could not read blob %s", sha1_to_hex(sha1));
mark_next_object(object);
@@ -147,7 +150,8 @@ static void handle_object(const unsigned char *sha1)
show_progress();
object->flags |= SHOWN;
- free(buf);
+ if (!eaten)
+ free(buf);
}
static int depth_first(const void *a_, const void *b_)
@@ -312,7 +316,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
/* Export the referenced blobs, and remember the marks. */
for (i = 0; i < diff_queued_diff.nr; i++)
if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode))
- handle_object(diff_queued_diff.queue[i]->two->sha1);
+ export_blob(diff_queued_diff.queue[i]->two->sha1);
mark_next_object(&commit->object);
if (!is_encoding_utf8(encoding))
@@ -416,7 +420,7 @@ static void handle_tag(const char *name, struct tag *tag)
switch(signed_tag_mode) {
case ABORT:
die ("Encountered signed tag %s; use "
- "--signed-tag=<mode> to handle it.",
+ "--signed-tags=<mode> to handle it.",
sha1_to_hex(tag->object.sha1));
case WARN:
warning ("Exporting signed tag %s",
@@ -512,7 +516,7 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info,
commit = (struct commit *)tag;
break;
case OBJ_BLOB:
- handle_object(tag->object.sha1);
+ export_blob(tag->object.sha1);
continue;
default: /* OBJ_TAG (nested tags) is already handled */
warning("Tag points to object of unexpected type %s, skipping.",
@@ -614,9 +618,12 @@ static void import_marks(char *input_file)
|| *mark_end != ' ' || get_sha1(mark_end + 1, sha1))
die("corrupt mark line: %s", line);
+ if (last_idnum < mark)
+ last_idnum = mark;
+
object = parse_object(sha1);
if (!object)
- die ("Could not read blob %s", sha1_to_hex(sha1));
+ continue;
if (object->flags & SHOWN)
error("Object %s already has a mark", sha1_to_hex(sha1));
@@ -626,8 +633,6 @@ static void import_marks(char *input_file)
continue;
mark_object(object, mark);
- if (last_idnum < mark)
- last_idnum = mark;
object->flags |= SHOWN;
}
@@ -641,6 +646,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
struct string_list extra_refs = STRING_LIST_INIT_NODUP;
struct commit *commit;
char *export_filename = NULL, *import_filename = NULL;
+ uint32_t lastimportid;
struct option options[] = {
OPT_INTEGER(0, "progress", &progress,
N_("show progress after <n> objects")),
@@ -684,6 +690,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (import_filename)
import_marks(import_filename);
+ lastimportid = last_idnum;
if (import_filename && revs.prune_data.nr)
full_tree = 1;
@@ -706,7 +713,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
handle_tags_and_duplicates(&extra_refs);
- if (export_filename)
+ if (export_filename && lastimportid != last_idnum)
export_marks(export_filename);
if (use_done_feature)