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-rw-r--r--builtin/fast-export.c42
1 files changed, 32 insertions, 10 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index d71e0333d4..78fc67b03a 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -37,6 +37,7 @@ static int fake_missing_tagger;
static int use_done_feature;
static int no_data;
static int full_tree;
+static int reference_excluded_commits;
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;
@@ -597,7 +598,8 @@ static void handle_commit(struct commit *commit, struct rev_info *rev,
message += 2;
if (commit->parents &&
- get_object_mark(&commit->parents->item->object) != 0 &&
+ (get_object_mark(&commit->parents->item->object) != 0 ||
+ reference_excluded_commits) &&
!full_tree) {
parse_commit_or_die(commit->parents->item);
diff_tree_oid(get_commit_tree_oid(commit->parents->item),
@@ -645,13 +647,21 @@ static void handle_commit(struct commit *commit, struct rev_info *rev,
unuse_commit_buffer(commit, commit_buffer);
for (i = 0, p = commit->parents; p; p = p->next) {
- int mark = get_object_mark(&p->item->object);
- if (!mark)
+ struct object *obj = &p->item->object;
+ int mark = get_object_mark(obj);
+
+ if (!mark && !reference_excluded_commits)
continue;
if (i == 0)
- printf("from :%d\n", mark);
+ printf("from ");
+ else
+ printf("merge ");
+ if (mark)
+ printf(":%d\n", mark);
else
- printf("merge :%d\n", mark);
+ printf("%s\n", oid_to_hex(anonymize ?
+ anonymize_oid(&obj->oid) :
+ &obj->oid));
i++;
}
@@ -932,13 +942,22 @@ static void handle_tags_and_duplicates(struct string_list *extras)
/*
* Getting here means we have a commit which
* was excluded by a negative refspec (e.g.
- * fast-export ^master master). If the user
+ * fast-export ^master master). If we are
+ * referencing excluded commits, set the ref
+ * to the exact commit. Otherwise, the user
* wants the branch exported but every commit
- * in its history to be deleted, that sounds
- * like a ref deletion to me.
+ * in its history to be deleted, which basically
+ * just means deletion of the ref.
*/
- printf("reset %s\nfrom %s\n\n",
- name, oid_to_hex(&null_oid));
+ if (!reference_excluded_commits) {
+ /* delete the ref */
+ printf("reset %s\nfrom %s\n\n",
+ name, oid_to_hex(&null_oid));
+ continue;
+ }
+ /* set ref to commit using oid, not mark */
+ printf("reset %s\nfrom %s\n\n", name,
+ oid_to_hex(&commit->object.oid));
continue;
}
@@ -1075,6 +1094,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"),
N_("Apply refspec to exported refs")),
OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")),
+ OPT_BOOL(0, "reference-excluded-parents",
+ &reference_excluded_commits, N_("Reference parents which are not in fast-export stream by object id")),
+
OPT_END()
};