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Diffstat (limited to 'builtin/fast-export.c')
-rw-r--r--builtin/fast-export.c67
1 files changed, 50 insertions, 17 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index f541f55d33..58a74de42a 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -40,6 +40,7 @@ static int no_data;
static int full_tree;
static int reference_excluded_commits;
static int show_original_ids;
+static int mark_tags;
static struct string_list extra_refs = STRING_LIST_INIT_NODUP;
static struct string_list tag_refs = STRING_LIST_INIT_NODUP;
static struct refspec refspecs = REFSPEC_INIT_FETCH;
@@ -842,25 +843,40 @@ static void handle_tag(const char *name, struct tag *tag)
free(buf);
return;
case REWRITE:
- if (tagged->type != OBJ_COMMIT) {
- die("tag %s tags unexported %s!",
- oid_to_hex(&tag->object.oid),
- type_name(tagged->type));
- }
- p = rewrite_commit((struct commit *)tagged);
- if (!p) {
- printf("reset %s\nfrom %s\n\n",
- name, oid_to_hex(&null_oid));
- free(buf);
- return;
+ if (tagged->type == OBJ_TAG && !mark_tags) {
+ die(_("Error: Cannot export nested tags unless --mark-tags is specified."));
+ } else if (tagged->type == OBJ_COMMIT) {
+ p = rewrite_commit((struct commit *)tagged);
+ if (!p) {
+ printf("reset %s\nfrom %s\n\n",
+ name, oid_to_hex(&null_oid));
+ free(buf);
+ return;
+ }
+ tagged_mark = get_object_mark(&p->object);
+ } else {
+ /* tagged->type is either OBJ_BLOB or OBJ_TAG */
+ tagged_mark = get_object_mark(tagged);
}
- tagged_mark = get_object_mark(&p->object);
}
}
+ if (tagged->type == OBJ_TAG) {
+ printf("reset %s\nfrom %s\n\n",
+ name, oid_to_hex(&null_oid));
+ }
if (starts_with(name, "refs/tags/"))
name += 10;
- printf("tag %s\nfrom :%d\n", name, tagged_mark);
+ printf("tag %s\n", name);
+ if (mark_tags) {
+ mark_next_object(&tag->object);
+ printf("mark :%"PRIu32"\n", last_idnum);
+ }
+ if (tagged_mark)
+ printf("from :%d\n", tagged_mark);
+ else
+ printf("from %s\n", oid_to_hex(&tagged->oid));
+
if (show_original_ids)
printf("original-oid %s\n", oid_to_hex(&tag->object.oid));
printf("%.*s%sdata %d\n%.*s\n",
@@ -1047,11 +1063,16 @@ static void export_marks(char *file)
error("Unable to write marks file %s.", file);
}
-static void import_marks(char *input_file)
+static void import_marks(char *input_file, int check_exists)
{
char line[512];
- FILE *f = xfopen(input_file, "r");
+ FILE *f;
+ struct stat sb;
+
+ if (check_exists && stat(input_file, &sb))
+ return;
+ f = xfopen(input_file, "r");
while (fgets(line, sizeof(line), f)) {
uint32_t mark;
char *line_end, *mark_end;
@@ -1115,7 +1136,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
struct rev_info revs;
struct object_array commits = OBJECT_ARRAY_INIT;
struct commit *commit;
- char *export_filename = NULL, *import_filename = NULL;
+ char *export_filename = NULL,
+ *import_filename = NULL,
+ *import_filename_if_exists = NULL;
uint32_t lastimportid;
struct string_list refspecs_list = STRING_LIST_INIT_NODUP;
struct string_list paths_of_changed_objects = STRING_LIST_INIT_DUP;
@@ -1135,6 +1158,10 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
N_("Dump marks to this file")),
OPT_STRING(0, "import-marks", &import_filename, N_("file"),
N_("Import marks from this file")),
+ OPT_STRING(0, "import-marks-if-exists",
+ &import_filename_if_exists,
+ N_("file"),
+ N_("Import marks from this file if it exists")),
OPT_BOOL(0, "fake-missing-tagger", &fake_missing_tagger,
N_("Fake a tagger when tags lack one")),
OPT_BOOL(0, "full-tree", &full_tree,
@@ -1149,6 +1176,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
&reference_excluded_commits, N_("Reference parents which are not in fast-export stream by object id")),
OPT_BOOL(0, "show-original-ids", &show_original_ids,
N_("Show original object ids of blobs/commits")),
+ OPT_BOOL(0, "mark-tags", &mark_tags,
+ N_("Label tags with mark ids")),
OPT_END()
};
@@ -1182,8 +1211,12 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (use_done_feature)
printf("feature done\n");
+ if (import_filename && import_filename_if_exists)
+ die(_("Cannot pass both --import-marks and --import-marks-if-exists"));
if (import_filename)
- import_marks(import_filename);
+ import_marks(import_filename, 0);
+ else if (import_filename_if_exists)
+ import_marks(import_filename_if_exists, 1);
lastimportid = last_idnum;
if (import_filename && revs.prune_data.nr)