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Diffstat (limited to 'builtin/fast-export.c')
-rw-r--r--builtin/fast-export.c67
1 files changed, 44 insertions, 23 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 77dffd1ce3..8e19058744 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -24,7 +24,7 @@ static const char *fast_export_usage[] = {
};
static int progress;
-static enum { ABORT, VERBATIM, WARN, STRIP } signed_tag_mode = ABORT;
+static enum { ABORT, VERBATIM, WARN, WARN_STRIP, STRIP } signed_tag_mode = ABORT;
static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ERROR;
static int fake_missing_tagger;
static int use_done_feature;
@@ -40,10 +40,12 @@ static int parse_opt_signed_tag_mode(const struct option *opt,
signed_tag_mode = VERBATIM;
else if (!strcmp(arg, "warn"))
signed_tag_mode = WARN;
+ else if (!strcmp(arg, "warn-strip"))
+ signed_tag_mode = WARN_STRIP;
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 +115,13 @@ 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 +129,18 @@ 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 +152,8 @@ 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 +318,7 @@ 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))
@@ -373,7 +379,7 @@ static void handle_tag(const char *name, struct tag *tag)
int tagged_mark;
struct commit *p;
- /* Trees have no identifer in fast-export output, thus we have no way
+ /* Trees have no identifier in fast-export output, thus we have no way
* to output tags of trees, tags of tags of trees, etc. Simply omit
* such tags.
*/
@@ -416,7 +422,7 @@ 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",
@@ -424,6 +430,10 @@ static void handle_tag(const char *name, struct tag *tag)
/* fallthru */
case VERBATIM:
break;
+ case WARN_STRIP:
+ warning ("Stripping signature from tag %s",
+ sha1_to_hex(tag->object.sha1));
+ /* fallthru */
case STRIP:
message_size = signature + 1 - message;
break;
@@ -512,7 +522,7 @@ 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.",
@@ -603,6 +613,8 @@ static void import_marks(char *input_file)
char *line_end, *mark_end;
unsigned char sha1[20];
struct object *object;
+ struct commit *commit;
+ enum object_type type;
line_end = strchr(line, '\n');
if (line[0] != ':' || !line_end)
@@ -611,23 +623,30 @@ static void import_marks(char *input_file)
mark = strtoumax(line + 1, &mark_end, 10);
if (!mark || mark_end == line + 1
- || *mark_end != ' ' || get_sha1(mark_end + 1, sha1))
+ || *mark_end != ' ' || get_sha1_hex(mark_end + 1, sha1))
die("corrupt mark line: %s", line);
- object = parse_object(sha1);
- if (!object)
- die ("Could not read blob %s", sha1_to_hex(sha1));
+ if (last_idnum < mark)
+ last_idnum = mark;
- if (object->flags & SHOWN)
- error("Object %s already has a mark", sha1_to_hex(sha1));
+ type = sha1_object_info(sha1, NULL);
+ if (type < 0)
+ die("object not found: %s", sha1_to_hex(sha1));
- if (object->type != OBJ_COMMIT)
+ if (type != OBJ_COMMIT)
/* only commits */
continue;
+ commit = lookup_commit(sha1);
+ if (!commit)
+ die("not a commit? can't happen: %s", sha1_to_hex(sha1));
+
+ object = &commit->object;
+
+ if (object->flags & SHOWN)
+ error("Object %s already has a mark", sha1_to_hex(sha1));
+
mark_object(object, mark);
- if (last_idnum < mark)
- last_idnum = mark;
object->flags |= SHOWN;
}
@@ -641,6 +660,7 @@ 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 +704,7 @@ 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 +727,7 @@ 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)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 10:01:02 +0000