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-rw-r--r--fsck.h175
1 files changed, 163 insertions, 12 deletions
diff --git a/fsck.h b/fsck.h
index b95595ae5f..d07f7a2459 100644
--- a/fsck.h
+++ b/fsck.h
@@ -3,15 +3,93 @@
#include "oidset.h"
-#define FSCK_ERROR 1
-#define FSCK_WARN 2
-#define FSCK_IGNORE 3
+enum fsck_msg_type {
+ /* for internal use only */
+ FSCK_IGNORE,
+ FSCK_INFO,
+ FSCK_FATAL,
+ /* "public", fed to e.g. error_func callbacks */
+ FSCK_ERROR,
+ FSCK_WARN,
+};
+
+#define FOREACH_FSCK_MSG_ID(FUNC) \
+ /* fatal errors */ \
+ FUNC(NUL_IN_HEADER, FATAL) \
+ FUNC(UNTERMINATED_HEADER, FATAL) \
+ /* errors */ \
+ FUNC(BAD_DATE, ERROR) \
+ FUNC(BAD_DATE_OVERFLOW, ERROR) \
+ FUNC(BAD_EMAIL, ERROR) \
+ FUNC(BAD_NAME, ERROR) \
+ FUNC(BAD_OBJECT_SHA1, ERROR) \
+ FUNC(BAD_PARENT_SHA1, ERROR) \
+ FUNC(BAD_TAG_OBJECT, ERROR) \
+ FUNC(BAD_TIMEZONE, ERROR) \
+ FUNC(BAD_TREE, ERROR) \
+ FUNC(BAD_TREE_SHA1, ERROR) \
+ FUNC(BAD_TYPE, ERROR) \
+ FUNC(DUPLICATE_ENTRIES, ERROR) \
+ FUNC(MISSING_AUTHOR, ERROR) \
+ FUNC(MISSING_COMMITTER, ERROR) \
+ FUNC(MISSING_EMAIL, ERROR) \
+ FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \
+ FUNC(MISSING_OBJECT, ERROR) \
+ FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \
+ FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \
+ FUNC(MISSING_TAG, ERROR) \
+ FUNC(MISSING_TAG_ENTRY, ERROR) \
+ FUNC(MISSING_TREE, ERROR) \
+ FUNC(MISSING_TREE_OBJECT, ERROR) \
+ FUNC(MISSING_TYPE, ERROR) \
+ FUNC(MISSING_TYPE_ENTRY, ERROR) \
+ FUNC(MULTIPLE_AUTHORS, ERROR) \
+ FUNC(TREE_NOT_SORTED, ERROR) \
+ FUNC(UNKNOWN_TYPE, ERROR) \
+ FUNC(ZERO_PADDED_DATE, ERROR) \
+ FUNC(GITMODULES_MISSING, ERROR) \
+ FUNC(GITMODULES_BLOB, ERROR) \
+ FUNC(GITMODULES_LARGE, ERROR) \
+ FUNC(GITMODULES_NAME, ERROR) \
+ FUNC(GITMODULES_SYMLINK, ERROR) \
+ FUNC(GITMODULES_URL, ERROR) \
+ FUNC(GITMODULES_PATH, ERROR) \
+ FUNC(GITMODULES_UPDATE, ERROR) \
+ /* warnings */ \
+ FUNC(BAD_FILEMODE, WARN) \
+ FUNC(EMPTY_NAME, WARN) \
+ FUNC(FULL_PATHNAME, WARN) \
+ FUNC(HAS_DOT, WARN) \
+ FUNC(HAS_DOTDOT, WARN) \
+ FUNC(HAS_DOTGIT, WARN) \
+ FUNC(NULL_SHA1, WARN) \
+ FUNC(ZERO_PADDED_FILEMODE, WARN) \
+ FUNC(NUL_IN_COMMIT, WARN) \
+ /* infos (reported as warnings, but ignored by default) */ \
+ FUNC(GITMODULES_PARSE, INFO) \
+ FUNC(GITIGNORE_SYMLINK, INFO) \
+ FUNC(GITATTRIBUTES_SYMLINK, INFO) \
+ FUNC(MAILMAP_SYMLINK, INFO) \
+ FUNC(BAD_TAG_NAME, INFO) \
+ FUNC(MISSING_TAGGER_ENTRY, INFO) \
+ /* ignored (elevated when requested) */ \
+ FUNC(EXTRA_HEADER_ENTRY, IGNORE)
+
+#define MSG_ID(id, msg_type) FSCK_MSG_##id,
+enum fsck_msg_id {
+ FOREACH_FSCK_MSG_ID(MSG_ID)
+ FSCK_MSG_MAX
+};
+#undef MSG_ID
struct fsck_options;
struct object;
+void fsck_set_msg_type_from_ids(struct fsck_options *options,
+ enum fsck_msg_id msg_id,
+ enum fsck_msg_type msg_type);
void fsck_set_msg_type(struct fsck_options *options,
- const char *msg_id, const char *msg_type);
+ const char *msg_id, const char *msg_type);
void fsck_set_msg_types(struct fsck_options *options, const char *values);
int is_valid_msg_type(const char *msg_id, const char *msg_type);
@@ -23,26 +101,55 @@ int is_valid_msg_type(const char *msg_id, const char *msg_type);
* <0 error signaled and abort
* >0 error signaled and do not abort
*/
-typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
+typedef int (*fsck_walk_func)(struct object *obj, enum object_type object_type,
+ void *data, struct fsck_options *options);
/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
typedef int (*fsck_error)(struct fsck_options *o,
- struct object *obj, int type, const char *message);
+ const struct object_id *oid, enum object_type object_type,
+ enum fsck_msg_type msg_type, enum fsck_msg_id msg_id,
+ const char *message);
int fsck_error_function(struct fsck_options *o,
- struct object *obj, int type, const char *message);
+ const struct object_id *oid, enum object_type object_type,
+ enum fsck_msg_type msg_type, enum fsck_msg_id msg_id,
+ const char *message);
+int fsck_error_cb_print_missing_gitmodules(struct fsck_options *o,
+ const struct object_id *oid,
+ enum object_type object_type,
+ enum fsck_msg_type msg_type,
+ enum fsck_msg_id msg_id,
+ const char *message);
struct fsck_options {
fsck_walk_func walk;
fsck_error error_func;
unsigned strict:1;
- int *msg_type;
+ enum fsck_msg_type *msg_type;
struct oidset skiplist;
- struct decoration *object_names;
+ struct oidset gitmodules_found;
+ struct oidset gitmodules_done;
+ kh_oid_map_t *object_names;
};
-#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL, OIDSET_INIT }
-#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL, OIDSET_INIT }
+#define FSCK_OPTIONS_DEFAULT { \
+ .skiplist = OIDSET_INIT, \
+ .gitmodules_found = OIDSET_INIT, \
+ .gitmodules_done = OIDSET_INIT, \
+ .error_func = fsck_error_function \
+}
+#define FSCK_OPTIONS_STRICT { \
+ .strict = 1, \
+ .gitmodules_found = OIDSET_INIT, \
+ .gitmodules_done = OIDSET_INIT, \
+ .error_func = fsck_error_function, \
+}
+#define FSCK_OPTIONS_MISSING_GITMODULES { \
+ .strict = 1, \
+ .gitmodules_found = OIDSET_INIT, \
+ .gitmodules_done = OIDSET_INIT, \
+ .error_func = fsck_error_cb_print_missing_gitmodules, \
+}
/* descend in all linked child objects
* the return value is:
@@ -52,15 +159,59 @@ struct fsck_options {
* 0 everything OK
*/
int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
-/* If NULL is passed for data, we assume the object is local and read it. */
+
+/*
+ * Blob objects my pass a NULL data pointer, which indicates they are too large
+ * to fit in memory. All other types must pass a real buffer.
+ */
int fsck_object(struct object *obj, void *data, unsigned long size,
struct fsck_options *options);
/*
+ * fsck a tag, and pass info about it back to the caller. This is
+ * exposed fsck_object() internals for git-mktag(1).
+ */
+int fsck_tag_standalone(const struct object_id *oid, const char *buffer,
+ unsigned long size, struct fsck_options *options,
+ struct object_id *tagged_oid,
+ int *tag_type);
+
+/*
* Some fsck checks are context-dependent, and may end up queued; run this
* after completing all fsck_object() calls in order to resolve any remaining
* checks.
*/
int fsck_finish(struct fsck_options *options);
+/*
+ * Subsystem for storing human-readable names for each object.
+ *
+ * If fsck_enable_object_names() has not been called, all other functions are
+ * noops.
+ *
+ * Use fsck_put_object_name() to seed initial names (e.g. from refnames); the
+ * fsck code will extend that while walking trees, etc.
+ *
+ * Use fsck_get_object_name() to get a single name (or NULL if none). Or the
+ * more convenient describe_object(), which always produces an output string
+ * with the oid combined with the name (if any). Note that the return value
+ * points to a rotating array of static buffers, and may be invalidated by a
+ * subsequent call.
+ */
+void fsck_enable_object_names(struct fsck_options *options);
+const char *fsck_get_object_name(struct fsck_options *options,
+ const struct object_id *oid);
+__attribute__((format (printf,3,4)))
+void fsck_put_object_name(struct fsck_options *options,
+ const struct object_id *oid,
+ const char *fmt, ...);
+const char *fsck_describe_object(struct fsck_options *options,
+ const struct object_id *oid);
+
+/*
+ * git_config() callback for use by fsck-y tools that want to support
+ * fsck.<msg> fsck.skipList etc.
+ */
+int git_fsck_config(const char *var, const char *value, void *cb);
+
#endif