diff options
Diffstat (limited to 'odb')
| -rw-r--r-- | odb/source-files.c | 25 | ||||
| -rw-r--r-- | odb/source.h | 24 |
2 files changed, 49 insertions, 0 deletions
diff --git a/odb/source-files.c b/odb/source-files.c index e90bb689bb..76797569de 100644 --- a/odb/source-files.c +++ b/odb/source-files.c @@ -122,6 +122,30 @@ out: return ret; } +static int odb_source_files_find_abbrev_len(struct odb_source *source, + const struct object_id *oid, + unsigned min_len, + unsigned *out) +{ + struct odb_source_files *files = odb_source_files_downcast(source); + unsigned len = min_len; + int ret; + + ret = packfile_store_find_abbrev_len(files->packed, oid, len, &len); + if (ret < 0) + goto out; + + ret = odb_source_loose_find_abbrev_len(source, oid, len, &len); + if (ret < 0) + goto out; + + *out = len; + ret = 0; + +out: + return ret; +} + static int odb_source_files_freshen_object(struct odb_source *source, const struct object_id *oid) { @@ -250,6 +274,7 @@ struct odb_source_files *odb_source_files_new(struct object_database *odb, files->base.read_object_stream = odb_source_files_read_object_stream; files->base.for_each_object = odb_source_files_for_each_object; files->base.count_objects = odb_source_files_count_objects; + files->base.find_abbrev_len = odb_source_files_find_abbrev_len; files->base.freshen_object = odb_source_files_freshen_object; files->base.write_object = odb_source_files_write_object; files->base.write_object_stream = odb_source_files_write_object_stream; diff --git a/odb/source.h b/odb/source.h index ee5d6ed530..a9d7d0b96f 100644 --- a/odb/source.h +++ b/odb/source.h @@ -158,6 +158,18 @@ struct odb_source { unsigned long *out); /* + * This callback is expected to find the minimum required length to + * make the given object ID unique. + * + * The callback is expected to return a negative error code in case it + * failed, 0 otherwise. + */ + int (*find_abbrev_len)(struct odb_source *source, + const struct object_id *oid, + unsigned min_length, + unsigned *out); + + /* * This callback is expected to freshen the given object so that its * last access time is set to the current time. This is used to ensure * that objects that are recent will not get garbage collected even if @@ -361,6 +373,18 @@ static inline int odb_source_count_objects(struct odb_source *source, } /* + * Determine the minimum required length to make the given object ID unique in + * the given source. Returns 0 on success, a negative error code otherwise. + */ +static inline int odb_source_find_abbrev_len(struct odb_source *source, + const struct object_id *oid, + unsigned min_len, + unsigned *out) +{ + return source->find_abbrev_len(source, oid, min_len, out); +} + +/* * Freshen an object in the object database by updating its timestamp. * Returns 1 in case the object has been freshened, 0 in case the object does * not exist. |