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/*
* Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* A callback function which gets invoked with progress information to print. */
typedef const struct got_error *(*got_pack_progress_cb)(void *arg,
int ncolored, int nfound, int ntrees, off_t packfile_size, int ncommits,
int nobj_total, int obj_deltify, int nobj_written, int pack_done);
/*
* Attempt to pack objects reachable via 'include_refs' into a new packfile.
* If 'excluded_refs' is not an empty list, do not pack any objects
* reachable from the listed references.
* If loose_obj_only is zero, pack reachable objects even if they are
* already packed in another packfile. Otherwise, add only loose
* objects to the new pack file.
* Return an open file handle for the generated pack file.
* Return the hash digest of the resulting pack file in pack_hash which
* must freed by the caller when done.
*/
const struct got_error *
got_repo_pack_objects(FILE **packfile, struct got_object_id **pack_hash,
struct got_reflist_head *include_refs,
struct got_reflist_head *exclude_refs, struct got_repository *repo,
int loose_obj_only, int force_refdelta,
got_pack_progress_cb progress_cb, void *progress_arg,
got_cancel_cb cancel_cb, void *cancel_arg);
/*
* Attempt to open a pack file at the specified path. Return an open
* file handle and the expected hash of pack file contents.
*/
const struct got_error *
got_repo_find_pack(FILE **packfile, struct got_object_id **pack_hash,
struct got_repository *repo, const char *packfile_path);
/* A callback function which gets invoked with progress information to print. */
typedef const struct got_error *(*got_pack_index_progress_cb)(void *arg,
off_t packfile_size, int nobj_total, int nobj_indexed,
int nobj_loose, int nobj_resolved, int indexing_done);
/* (Re-)Index the pack file identified by the given hash. */
const struct got_error *
got_repo_index_pack(char **idxpath, FILE *packfile,
struct got_object_id *pack_hash, struct got_repository *repo,
got_pack_index_progress_cb progress_cb, void *progress_arg,
got_cancel_cb cancel_cb, void *cancel_arg);
typedef const struct got_error *(*got_pack_list_cb)(void *arg,
struct got_object_id *id, int type, off_t offset, off_t size,
off_t base_offset, struct got_object_id *base_id);
/* List the pack file identified by the given hash. */
const struct got_error *
got_repo_list_pack(FILE *packfile, struct got_object_id *pack_hash,
struct got_repository *repo, got_pack_list_cb list_cb, void *list_arg,
got_cancel_cb cancel_cb, void *cancel_arg);
/* A callback function which gets invoked with cleanup information to print. */
typedef const struct got_error *(*got_cleanup_progress_cb)(void *arg,
int ncommits, int nloose, int npurged, int nredundant);
/*
* Walk objects reachable via references and, unless the dry-run parameter
* is set, pack all referenced objects into a single pack.
* Then determine whether any loose objects can be removed from disk.
* Do remove such objects from disk unless the dry_run parameter is set.
* Do not remove objects with a modification timestamp above an
* implementation-defined timestamp threshold, unless ignore_mtime is set.
* Remove packfiles which objects are either unreachable or provided
* by biggest pack files.
* Return the disk space size occupied by loose objects and pack files
* before and after the operation.
* Return the number of loose objects which are also stored in a pack file.
*/
const struct got_error *
got_repo_cleanup(struct got_repository *repo,
off_t *loose_before, off_t *loose_after,
off_t *pack_before, off_t *pack_after,
int *ncommits, int *nloose,
int *npacked, int dry_run, int ignore_mtime,
got_cleanup_progress_cb progress_cb, void *progress_arg,
got_pack_progress_cb pack_progress_cb, void *pack_progress_arg,
got_pack_index_progress_cb index_progress_cb, void *index_progress_arg,
got_cancel_cb cancel_cb, void *cancel_arg);
/* A callback function which gets invoked with cleanup information to print. */
typedef const struct got_error *(*got_lonely_packidx_progress_cb)(void *arg,
const char *path);
/* Remove pack index files which do not have a corresponding pack file. */
const struct got_error *
got_repo_remove_lonely_packidx(struct got_repository *repo, int dry_run,
got_lonely_packidx_progress_cb progress_cb, void *progress_arg,
got_cancel_cb cancel_cb, void *cancel_arg);
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