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234 lines
7.2 KiB
C
234 lines
7.2 KiB
C
#ifndef GIT_FSCK_H
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#define GIT_FSCK_H
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#include "oidset.h"
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enum fsck_msg_type {
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/* for internal use only */
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FSCK_IGNORE,
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FSCK_INFO,
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FSCK_FATAL,
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/* "public", fed to e.g. error_func callbacks */
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FSCK_ERROR,
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FSCK_WARN,
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};
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/*
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* Documentation/fsck-msgids.txt documents these; when
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* modifying this list in any way, make sure to keep the
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* two in sync.
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*/
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#define FOREACH_FSCK_MSG_ID(FUNC) \
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/* fatal errors */ \
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FUNC(NUL_IN_HEADER, FATAL) \
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FUNC(UNTERMINATED_HEADER, FATAL) \
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/* errors */ \
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FUNC(BAD_DATE, ERROR) \
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FUNC(BAD_DATE_OVERFLOW, ERROR) \
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FUNC(BAD_EMAIL, ERROR) \
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FUNC(BAD_NAME, ERROR) \
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FUNC(BAD_OBJECT_SHA1, ERROR) \
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FUNC(BAD_PARENT_SHA1, ERROR) \
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FUNC(BAD_TIMEZONE, ERROR) \
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FUNC(BAD_TREE, ERROR) \
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FUNC(BAD_TREE_SHA1, ERROR) \
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FUNC(BAD_TYPE, ERROR) \
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FUNC(DUPLICATE_ENTRIES, ERROR) \
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FUNC(MISSING_AUTHOR, ERROR) \
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FUNC(MISSING_COMMITTER, ERROR) \
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FUNC(MISSING_EMAIL, ERROR) \
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FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \
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FUNC(MISSING_OBJECT, ERROR) \
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FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \
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FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \
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FUNC(MISSING_TAG, ERROR) \
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FUNC(MISSING_TAG_ENTRY, ERROR) \
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FUNC(MISSING_TREE, ERROR) \
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FUNC(MISSING_TYPE, ERROR) \
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FUNC(MISSING_TYPE_ENTRY, ERROR) \
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FUNC(MULTIPLE_AUTHORS, ERROR) \
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FUNC(TREE_NOT_SORTED, ERROR) \
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FUNC(UNKNOWN_TYPE, ERROR) \
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FUNC(ZERO_PADDED_DATE, ERROR) \
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FUNC(GITMODULES_MISSING, ERROR) \
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FUNC(GITMODULES_BLOB, ERROR) \
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FUNC(GITMODULES_LARGE, ERROR) \
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FUNC(GITMODULES_NAME, ERROR) \
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FUNC(GITMODULES_SYMLINK, ERROR) \
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FUNC(GITMODULES_URL, ERROR) \
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FUNC(GITMODULES_PATH, ERROR) \
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FUNC(GITMODULES_UPDATE, ERROR) \
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FUNC(GITATTRIBUTES_MISSING, ERROR) \
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FUNC(GITATTRIBUTES_LARGE, ERROR) \
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FUNC(GITATTRIBUTES_LINE_LENGTH, ERROR) \
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FUNC(GITATTRIBUTES_BLOB, ERROR) \
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/* warnings */ \
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FUNC(EMPTY_NAME, WARN) \
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FUNC(FULL_PATHNAME, WARN) \
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FUNC(HAS_DOT, WARN) \
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FUNC(HAS_DOTDOT, WARN) \
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FUNC(HAS_DOTGIT, WARN) \
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FUNC(NULL_SHA1, WARN) \
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FUNC(ZERO_PADDED_FILEMODE, WARN) \
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FUNC(NUL_IN_COMMIT, WARN) \
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/* infos (reported as warnings, but ignored by default) */ \
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FUNC(BAD_FILEMODE, INFO) \
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FUNC(GITMODULES_PARSE, INFO) \
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FUNC(GITIGNORE_SYMLINK, INFO) \
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FUNC(GITATTRIBUTES_SYMLINK, INFO) \
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FUNC(MAILMAP_SYMLINK, INFO) \
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FUNC(BAD_TAG_NAME, INFO) \
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FUNC(MISSING_TAGGER_ENTRY, INFO) \
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/* ignored (elevated when requested) */ \
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FUNC(EXTRA_HEADER_ENTRY, IGNORE)
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#define MSG_ID(id, msg_type) FSCK_MSG_##id,
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enum fsck_msg_id {
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FOREACH_FSCK_MSG_ID(MSG_ID)
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FSCK_MSG_MAX
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};
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#undef MSG_ID
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struct fsck_options;
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struct object;
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void fsck_set_msg_type_from_ids(struct fsck_options *options,
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enum fsck_msg_id msg_id,
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enum fsck_msg_type msg_type);
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void fsck_set_msg_type(struct fsck_options *options,
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const char *msg_id, const char *msg_type);
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void fsck_set_msg_types(struct fsck_options *options, const char *values);
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int is_valid_msg_type(const char *msg_id, const char *msg_type);
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/*
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* callback function for fsck_walk
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* type is the expected type of the object or OBJ_ANY
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* the return value is:
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* 0 everything OK
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* <0 error signaled and abort
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* >0 error signaled and do not abort
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*/
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typedef int (*fsck_walk_func)(struct object *obj, enum object_type object_type,
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void *data, struct fsck_options *options);
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/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
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typedef int (*fsck_error)(struct fsck_options *o,
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const struct object_id *oid, enum object_type object_type,
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enum fsck_msg_type msg_type, enum fsck_msg_id msg_id,
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const char *message);
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int fsck_error_function(struct fsck_options *o,
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const struct object_id *oid, enum object_type object_type,
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enum fsck_msg_type msg_type, enum fsck_msg_id msg_id,
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const char *message);
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int fsck_error_cb_print_missing_gitmodules(struct fsck_options *o,
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const struct object_id *oid,
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enum object_type object_type,
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enum fsck_msg_type msg_type,
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enum fsck_msg_id msg_id,
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const char *message);
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struct fsck_options {
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fsck_walk_func walk;
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fsck_error error_func;
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unsigned strict:1;
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enum fsck_msg_type *msg_type;
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struct oidset skiplist;
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struct oidset gitmodules_found;
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struct oidset gitmodules_done;
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struct oidset gitattributes_found;
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struct oidset gitattributes_done;
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kh_oid_map_t *object_names;
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};
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#define FSCK_OPTIONS_DEFAULT { \
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.skiplist = OIDSET_INIT, \
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.gitmodules_found = OIDSET_INIT, \
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.gitmodules_done = OIDSET_INIT, \
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.gitattributes_found = OIDSET_INIT, \
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.gitattributes_done = OIDSET_INIT, \
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.error_func = fsck_error_function \
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}
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#define FSCK_OPTIONS_STRICT { \
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.strict = 1, \
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.gitmodules_found = OIDSET_INIT, \
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.gitmodules_done = OIDSET_INIT, \
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.gitattributes_found = OIDSET_INIT, \
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.gitattributes_done = OIDSET_INIT, \
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.error_func = fsck_error_function, \
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}
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#define FSCK_OPTIONS_MISSING_GITMODULES { \
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.strict = 1, \
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.gitmodules_found = OIDSET_INIT, \
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.gitmodules_done = OIDSET_INIT, \
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.gitattributes_found = OIDSET_INIT, \
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.gitattributes_done = OIDSET_INIT, \
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.error_func = fsck_error_cb_print_missing_gitmodules, \
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}
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/* descend in all linked child objects
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* the return value is:
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* -1 error in processing the object
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* <0 return value of the callback, which lead to an abort
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* >0 return value of the first signaled error >0 (in the case of no other errors)
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* 0 everything OK
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*/
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int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
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/*
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* Blob objects my pass a NULL data pointer, which indicates they are too large
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* to fit in memory. All other types must pass a real buffer.
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*/
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int fsck_object(struct object *obj, void *data, unsigned long size,
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struct fsck_options *options);
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/*
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* fsck a tag, and pass info about it back to the caller. This is
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* exposed fsck_object() internals for git-mktag(1).
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*/
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int fsck_tag_standalone(const struct object_id *oid, const char *buffer,
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unsigned long size, struct fsck_options *options,
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struct object_id *tagged_oid,
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int *tag_type);
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/*
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* Some fsck checks are context-dependent, and may end up queued; run this
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* after completing all fsck_object() calls in order to resolve any remaining
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* checks.
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*/
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int fsck_finish(struct fsck_options *options);
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/*
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* Subsystem for storing human-readable names for each object.
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*
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* If fsck_enable_object_names() has not been called, all other functions are
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* noops.
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*
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* Use fsck_put_object_name() to seed initial names (e.g. from refnames); the
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* fsck code will extend that while walking trees, etc.
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*
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* Use fsck_get_object_name() to get a single name (or NULL if none). Or the
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* more convenient describe_object(), which always produces an output string
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* with the oid combined with the name (if any). Note that the return value
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* points to a rotating array of static buffers, and may be invalidated by a
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* subsequent call.
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*/
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void fsck_enable_object_names(struct fsck_options *options);
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const char *fsck_get_object_name(struct fsck_options *options,
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const struct object_id *oid);
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__attribute__((format (printf,3,4)))
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void fsck_put_object_name(struct fsck_options *options,
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const struct object_id *oid,
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const char *fmt, ...);
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const char *fsck_describe_object(struct fsck_options *options,
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const struct object_id *oid);
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/*
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* git_config() callback for use by fsck-y tools that want to support
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* fsck.<msg> fsck.skipList etc.
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*/
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int git_fsck_config(const char *var, const char *value, void *cb);
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#endif
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