From: Jeff Hostetler <jeffhost@xxxxxxxxxxxxx> Create a simple filter for traverse_commit_list_worker() to omit all blobs from the result. This filter will be used in a future commit by rev-list and pack-objects to create a "commits and trees" result. This is intended for partial clone and fetch support. Signed-off-by: Jeff Hostetler <jeffhost@xxxxxxxxxxxxx> --- Makefile | 1 + list-objects-filter-blobs-none.c | 83 ++++++++++++++++++++++++++++++++++++++++ list-objects-filter-blobs-none.h | 18 +++++++++ 3 files changed, 102 insertions(+) create mode 100644 list-objects-filter-blobs-none.c create mode 100644 list-objects-filter-blobs-none.h diff --git a/Makefile b/Makefile index e59f12d..7e9d1f4 100644 --- a/Makefile +++ b/Makefile @@ -807,6 +807,7 @@ LIB_OBJS += levenshtein.o LIB_OBJS += line-log.o LIB_OBJS += line-range.o LIB_OBJS += list-objects.o +LIB_OBJS += list-objects-filter-blobs-none.o LIB_OBJS += list-objects-filter-map.o LIB_OBJS += ll-merge.o LIB_OBJS += lockfile.o diff --git a/list-objects-filter-blobs-none.c b/list-objects-filter-blobs-none.c new file mode 100644 index 0000000..1b548b9 --- /dev/null +++ b/list-objects-filter-blobs-none.c @@ -0,0 +1,83 @@ +#include "cache.h" +#include "dir.h" +#include "tag.h" +#include "commit.h" +#include "tree.h" +#include "blob.h" +#include "diff.h" +#include "tree-walk.h" +#include "revision.h" +#include "list-objects.h" +#include "list-objects-filter-blobs-none.h" + +#define DEFAULT_MAP_SIZE (16*1024) + +/* + * A filter for list-objects to omit ALL blobs from the traversal. + * And to OPTIONALLY collect a list of the omitted OIDs. + */ +struct filter_blobs_none_data { + struct oidmap *omits; +}; + +static list_objects_filter_result filter_blobs_none( + list_objects_filter_type filter_type, + struct object *obj, + const char *pathname, + const char *filename, + void *filter_data_) +{ + struct filter_blobs_none_data *filter_data = filter_data_; + + switch (filter_type) { + default: + die("unkown filter_type"); + return LOFR_ZERO; + + case LOFT_BEGIN_TREE: + assert(obj->type == OBJ_TREE); + /* always include all tree objects */ + return LOFR_MARK_SEEN | LOFR_SHOW; + + case LOFT_END_TREE: + assert(obj->type == OBJ_TREE); + return LOFR_ZERO; + + case LOFT_BLOB: + assert(obj->type == OBJ_BLOB); + assert((obj->flags & SEEN) == 0); + + if (filter_data->omits) + list_objects_filter_map_insert( + filter_data->omits, &obj->oid, pathname, + obj->type); + + return LOFR_MARK_SEEN; /* but not LOFR_SHOW (hard omit) */ + } +} + +void traverse_commit_list__blobs_none( + struct rev_info *revs, + show_commit_fn show_commit, + show_object_fn show_object, + list_objects_filter_map_foreach_cb print_omitted_object, + void *ctx_data) +{ + struct filter_blobs_none_data d; + + memset(&d, 0, sizeof(d)); + if (print_omitted_object) { + d.omits = xcalloc(1, sizeof(*d.omits)); + oidmap_init(d.omits, DEFAULT_MAP_SIZE); + } + + traverse_commit_list_worker(revs, show_commit, show_object, ctx_data, + filter_blobs_none, &d); + + if (print_omitted_object) { + list_objects_filter_map_foreach(d.omits, + print_omitted_object, + ctx_data); + oidmap_free(d.omits, 1); + } +} diff --git a/list-objects-filter-blobs-none.h b/list-objects-filter-blobs-none.h new file mode 100644 index 0000000..363c9de --- /dev/null +++ b/list-objects-filter-blobs-none.h @@ -0,0 +1,18 @@ +#ifndef LIST_OBJECTS_FILTER_BLOBS_NONE_H +#define LIST_OBJECTS_FILTER_BLOBS_NONE_H + +#include "list-objects-filter-map.h" + +/* + * A filter for list-objects to omit ALL blobs + * from the traversal. + */ +void traverse_commit_list__blobs_none( + struct rev_info *revs, + show_commit_fn show_commit, + show_object_fn show_object, + list_objects_filter_map_foreach_cb print_omitted_object, + void *ctx_data); + +#endif /* LIST_OBJECTS_FILTER_BLOBS_NONE_H */ + -- 2.9.3