static int show_unreachable;
static int include_reflogs = 1;
static int check_full = 1;
+ static int connectivity_only;
static int check_strict;
static int keep_cache_objects;
+ static struct fsck_options fsck_walk_options = FSCK_OPTIONS_DEFAULT;
+ static struct fsck_options fsck_obj_options = FSCK_OPTIONS_DEFAULT;
static struct object_id head_oid;
static const char *head_points_at;
static int errors_found;
#define DIRENT_SORT_HINT(de) ((de)->d_ino)
#endif
- static void objreport(struct object *obj, const char *severity,
- const char *err, va_list params)
+ static int fsck_config(const char *var, const char *value, void *cb)
{
- fprintf(stderr, "%s in %s %s: ",
- severity, typename(obj->type), sha1_to_hex(obj->sha1));
- vfprintf(stderr, err, params);
- fputs("\n", stderr);
+ if (strcmp(var, "fsck.skiplist") == 0) {
+ const char *path;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (git_config_pathname(&path, var, value))
+ return 1;
+ strbuf_addf(&sb, "skiplist=%s", path);
+ free((char *)path);
+ fsck_set_msg_types(&fsck_obj_options, sb.buf);
+ strbuf_release(&sb);
+ return 0;
+ }
+
+ if (skip_prefix(var, "fsck.", &var)) {
+ fsck_set_msg_type(&fsck_obj_options, var, value);
+ return 0;
+ }
+
+ return git_default_config(var, value, cb);
+ }
+
+ static void objreport(struct object *obj, const char *msg_type,
+ const char *err)
+ {
+ fprintf(stderr, "%s in %s %s: %s\n",
+ msg_type, typename(obj->type), sha1_to_hex(obj->sha1), err);
}
- __attribute__((format (printf, 2, 3)))
- static int objerror(struct object *obj, const char *err, ...)
+ static int objerror(struct object *obj, const char *err)
{
- va_list params;
- va_start(params, err);
errors_found |= ERROR_OBJECT;
- objreport(obj, "error", err, params);
- va_end(params);
+ objreport(obj, "error", err);
return -1;
}
- __attribute__((format (printf, 3, 4)))
- static int fsck_error_func(struct object *obj, int type, const char *err, ...)
+ static int fsck_error_func(struct object *obj, int type, const char *message)
{
- va_list params;
- va_start(params, err);
- objreport(obj, (type == FSCK_WARN) ? "warning" : "error", err, params);
- va_end(params);
+ objreport(obj, (type == FSCK_WARN) ? "warning" : "error", message);
return (type == FSCK_WARN) ? 0 : 1;
}
static struct object_array pending;
- static int mark_object(struct object *obj, int type, void *data)
+ static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options)
{
struct object *parent = data;
static void mark_object_reachable(struct object *obj)
{
- mark_object(obj, OBJ_ANY, NULL);
+ mark_object(obj, OBJ_ANY, NULL, NULL);
}
static int traverse_one_object(struct object *obj)
if (parse_tree(tree) < 0)
return 1; /* error already displayed */
}
- result = fsck_walk(obj, mark_object, obj);
+ result = fsck_walk(obj, obj, &fsck_walk_options);
if (tree)
free_tree_buffer(tree);
return result;
return !!result;
}
- static int mark_used(struct object *obj, int type, void *data)
+ static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options)
{
if (!obj)
return 1;
if (!(obj->flags & HAS_OBJ)) {
if (has_sha1_pack(obj->sha1))
return; /* it is in pack - forget about it */
+ if (connectivity_only && has_sha1_file(obj->sha1))
+ return;
printf("missing %s %s\n", typename(obj->type), sha1_to_hex(obj->sha1));
errors_found |= ERROR_REACHABLE;
return;
fprintf(stderr, "Checking %s %s\n",
typename(obj->type), sha1_to_hex(obj->sha1));
- if (fsck_walk(obj, mark_used, NULL))
+ if (fsck_walk(obj, NULL, &fsck_obj_options))
objerror(obj, "broken links");
- if (fsck_object(obj, NULL, 0, check_strict, fsck_error_func))
+ if (fsck_object(obj, NULL, 0, &fsck_obj_options))
return -1;
if (obj->type == OBJ_TREE) {
static int default_refs;
+static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1)
+{
+ struct object *obj;
+
+ if (!is_null_sha1(sha1)) {
+ obj = lookup_object(sha1);
+ if (obj) {
+ obj->used = 1;
+ mark_object_reachable(obj);
+ } else {
+ error("%s: invalid reflog entry %s", refname, sha1_to_hex(sha1));
+ errors_found |= ERROR_REACHABLE;
+ }
+ }
+}
+
static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
const char *email, unsigned long timestamp, int tz,
const char *message, void *cb_data)
{
- struct object *obj;
+ const char *refname = cb_data;
if (verbose)
fprintf(stderr, "Checking reflog %s->%s\n",
sha1_to_hex(osha1), sha1_to_hex(nsha1));
- if (!is_null_sha1(osha1)) {
- obj = lookup_object(osha1);
- if (obj) {
- obj->used = 1;
- mark_object_reachable(obj);
- }
- }
- obj = lookup_object(nsha1);
- if (obj) {
- obj->used = 1;
- mark_object_reachable(obj);
- }
+ fsck_handle_reflog_sha1(refname, osha1);
+ fsck_handle_reflog_sha1(refname, nsha1);
return 0;
}
static int fsck_handle_reflog(const char *logname, const struct object_id *oid,
int flag, void *cb_data)
{
- for_each_reflog_ent(logname, fsck_handle_reflog_ent, NULL);
+ for_each_reflog_ent(logname, fsck_handle_reflog_ent, (void *)logname);
return 0;
}
OPT_BOOL(0, "cache", &keep_cache_objects, N_("make index objects head nodes")),
OPT_BOOL(0, "reflogs", &include_reflogs, N_("make reflogs head nodes (default)")),
OPT_BOOL(0, "full", &check_full, N_("also consider packs and alternate objects")),
+ OPT_BOOL(0, "connectivity-only", &connectivity_only, N_("check only connectivity")),
OPT_BOOL(0, "strict", &check_strict, N_("enable more strict checking")),
OPT_BOOL(0, "lost-found", &write_lost_and_found,
N_("write dangling objects in .git/lost-found")),
argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0);
+ fsck_walk_options.walk = mark_object;
+ fsck_obj_options.walk = mark_used;
+ fsck_obj_options.error_func = fsck_error_func;
+ if (check_strict)
+ fsck_obj_options.strict = 1;
+
if (show_progress == -1)
show_progress = isatty(2);
if (verbose)
include_reflogs = 0;
}
+ git_config(fsck_config, NULL);
+
fsck_head_link();
- fsck_object_dir(get_object_directory());
+ if (!connectivity_only)
+ fsck_object_dir(get_object_directory());
prepare_alt_odb();
for (alt = alt_odb_list; alt; alt = alt->next) {
#include "fsck.h"
#include "refs.h"
#include "utf8.h"
+ #include "sha1-array.h"
+
+ #define FSCK_FATAL -1
+ #define FSCK_INFO -2
+
+ #define FOREACH_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_GRAFT, ERROR) \
+ FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \
+ FUNC(MISSING_OBJECT, ERROR) \
+ FUNC(MISSING_PARENT, ERROR) \
+ FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \
+ FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \
+ FUNC(MISSING_TAG, ERROR) \
+ FUNC(MISSING_TAG_ENTRY, ERROR) \
+ FUNC(MISSING_TAG_OBJECT, ERROR) \
+ FUNC(MISSING_TREE, ERROR) \
+ FUNC(MISSING_TYPE, ERROR) \
+ FUNC(MISSING_TYPE_ENTRY, ERROR) \
+ FUNC(MULTIPLE_AUTHORS, ERROR) \
+ FUNC(TAG_OBJECT_NOT_TAG, ERROR) \
+ FUNC(TREE_NOT_SORTED, ERROR) \
+ FUNC(UNKNOWN_TYPE, ERROR) \
+ FUNC(ZERO_PADDED_DATE, 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) \
+ /* infos (reported as warnings, but ignored by default) */ \
+ FUNC(BAD_TAG_NAME, INFO) \
+ FUNC(MISSING_TAGGER_ENTRY, INFO)
+
+ #define MSG_ID(id, msg_type) FSCK_MSG_##id,
+ enum fsck_msg_id {
+ FOREACH_MSG_ID(MSG_ID)
+ FSCK_MSG_MAX
+ };
+ #undef MSG_ID
+
+ #define STR(x) #x
+ #define MSG_ID(id, msg_type) { STR(id), NULL, FSCK_##msg_type },
+ static struct {
+ const char *id_string;
+ const char *downcased;
+ int msg_type;
+ } msg_id_info[FSCK_MSG_MAX + 1] = {
+ FOREACH_MSG_ID(MSG_ID)
+ { NULL, NULL, -1 }
+ };
+ #undef MSG_ID
+
+ static int parse_msg_id(const char *text)
+ {
+ int i;
+
+ if (!msg_id_info[0].downcased) {
+ /* convert id_string to lower case, without underscores. */
+ for (i = 0; i < FSCK_MSG_MAX; i++) {
+ const char *p = msg_id_info[i].id_string;
+ int len = strlen(p);
+ char *q = xmalloc(len);
+
+ msg_id_info[i].downcased = q;
+ while (*p)
+ if (*p == '_')
+ p++;
+ else
+ *(q)++ = tolower(*(p)++);
+ *q = '\0';
+ }
+ }
+
+ for (i = 0; i < FSCK_MSG_MAX; i++)
+ if (!strcmp(text, msg_id_info[i].downcased))
+ return i;
+
+ return -1;
+ }
+
+ static int fsck_msg_type(enum fsck_msg_id msg_id,
+ struct fsck_options *options)
+ {
+ int msg_type;
+
+ assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX);
+
+ if (options->msg_type)
+ msg_type = options->msg_type[msg_id];
+ else {
+ msg_type = msg_id_info[msg_id].msg_type;
+ if (options->strict && msg_type == FSCK_WARN)
+ msg_type = FSCK_ERROR;
+ }
+
+ return msg_type;
+ }
+
+ static void init_skiplist(struct fsck_options *options, const char *path)
+ {
+ static struct sha1_array skiplist = SHA1_ARRAY_INIT;
+ int sorted, fd;
+ char buffer[41];
+ unsigned char sha1[20];
+
+ if (options->skiplist)
+ sorted = options->skiplist->sorted;
+ else {
+ sorted = 1;
+ options->skiplist = &skiplist;
+ }
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ die("Could not open skip list: %s", path);
+ for (;;) {
+ int result = read_in_full(fd, buffer, sizeof(buffer));
+ if (result < 0)
+ die_errno("Could not read '%s'", path);
+ if (!result)
+ break;
+ if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n')
+ die("Invalid SHA-1: %s", buffer);
+ sha1_array_append(&skiplist, sha1);
+ if (sorted && skiplist.nr > 1 &&
+ hashcmp(skiplist.sha1[skiplist.nr - 2],
+ sha1) > 0)
+ sorted = 0;
+ }
+ close(fd);
+
+ if (sorted)
+ skiplist.sorted = 1;
+ }
+
+ static int parse_msg_type(const char *str)
+ {
+ if (!strcmp(str, "error"))
+ return FSCK_ERROR;
+ else if (!strcmp(str, "warn"))
+ return FSCK_WARN;
+ else if (!strcmp(str, "ignore"))
+ return FSCK_IGNORE;
+ else
+ die("Unknown fsck message type: '%s'", str);
+ }
+
+ int is_valid_msg_type(const char *msg_id, const char *msg_type)
+ {
+ if (parse_msg_id(msg_id) < 0)
+ return 0;
+ parse_msg_type(msg_type);
+ return 1;
+ }
+
+ void fsck_set_msg_type(struct fsck_options *options,
+ const char *msg_id, const char *msg_type)
+ {
+ int id = parse_msg_id(msg_id), type;
+
+ if (id < 0)
+ die("Unhandled message id: %s", msg_id);
+ type = parse_msg_type(msg_type);
+
+ if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL)
+ die("Cannot demote %s to %s", msg_id, msg_type);
+
+ if (!options->msg_type) {
+ int i;
+ int *msg_type = xmalloc(sizeof(int) * FSCK_MSG_MAX);
+ for (i = 0; i < FSCK_MSG_MAX; i++)
+ msg_type[i] = fsck_msg_type(i, options);
+ options->msg_type = msg_type;
+ }
+
+ options->msg_type[id] = type;
+ }
+
+ void fsck_set_msg_types(struct fsck_options *options, const char *values)
+ {
+ char *buf = xstrdup(values), *to_free = buf;
+ int done = 0;
+
+ while (!done) {
+ int len = strcspn(buf, " ,|"), equal;
+
+ done = !buf[len];
+ if (!len) {
+ buf++;
+ continue;
+ }
+ buf[len] = '\0';
+
+ for (equal = 0;
+ equal < len && buf[equal] != '=' && buf[equal] != ':';
+ equal++)
+ buf[equal] = tolower(buf[equal]);
+ buf[equal] = '\0';
+
+ if (!strcmp(buf, "skiplist")) {
+ if (equal == len)
+ die("skiplist requires a path");
+ init_skiplist(options, buf + equal + 1);
+ buf += len + 1;
+ continue;
+ }
+
+ if (equal == len)
+ die("Missing '=': '%s'", buf);
- static int fsck_walk_tree(struct tree *tree, fsck_walk_func walk, void *data)
+ fsck_set_msg_type(options, buf, buf + equal + 1);
+ buf += len + 1;
+ }
+ free(to_free);
+ }
+
+ static void append_msg_id(struct strbuf *sb, const char *msg_id)
+ {
+ for (;;) {
+ char c = *(msg_id)++;
+
+ if (!c)
+ break;
+ if (c != '_')
+ strbuf_addch(sb, tolower(c));
+ else {
+ assert(*msg_id);
+ strbuf_addch(sb, *(msg_id)++);
+ }
+ }
+
+ strbuf_addstr(sb, ": ");
+ }
+
+ __attribute__((format (printf, 4, 5)))
+ static int report(struct fsck_options *options, struct object *object,
+ enum fsck_msg_id id, const char *fmt, ...)
+ {
+ va_list ap;
+ struct strbuf sb = STRBUF_INIT;
+ int msg_type = fsck_msg_type(id, options), result;
+
+ if (msg_type == FSCK_IGNORE)
+ return 0;
+
+ if (options->skiplist && object &&
+ sha1_array_lookup(options->skiplist, object->sha1) >= 0)
+ return 0;
+
+ if (msg_type == FSCK_FATAL)
+ msg_type = FSCK_ERROR;
+ else if (msg_type == FSCK_INFO)
+ msg_type = FSCK_WARN;
+
+ append_msg_id(&sb, msg_id_info[id].id_string);
+
+ va_start(ap, fmt);
+ strbuf_vaddf(&sb, fmt, ap);
+ result = options->error_func(object, msg_type, sb.buf);
+ strbuf_release(&sb);
+ va_end(ap);
+
+ return result;
+ }
+
+ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options)
{
struct tree_desc desc;
struct name_entry entry;
if (S_ISGITLINK(entry.mode))
continue;
if (S_ISDIR(entry.mode))
- result = walk(&lookup_tree(entry.sha1)->object, OBJ_TREE, data);
+ result = options->walk(&lookup_tree(entry.sha1)->object, OBJ_TREE, data, options);
else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode))
- result = walk(&lookup_blob(entry.sha1)->object, OBJ_BLOB, data);
+ result = options->walk(&lookup_blob(entry.sha1)->object, OBJ_BLOB, data, options);
else {
result = error("in tree %s: entry %s has bad mode %.6o",
sha1_to_hex(tree->object.sha1), entry.path, entry.mode);
return res;
}
- static int fsck_walk_commit(struct commit *commit, fsck_walk_func walk, void *data)
+ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options)
{
struct commit_list *parents;
int res;
if (parse_commit(commit))
return -1;
- result = walk((struct object *)commit->tree, OBJ_TREE, data);
+ result = options->walk((struct object *)commit->tree, OBJ_TREE, data, options);
if (result < 0)
return result;
res = result;
parents = commit->parents;
while (parents) {
- result = walk((struct object *)parents->item, OBJ_COMMIT, data);
+ result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options);
if (result < 0)
return result;
if (!res)
return res;
}
- static int fsck_walk_tag(struct tag *tag, fsck_walk_func walk, void *data)
+ static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options)
{
if (parse_tag(tag))
return -1;
- return walk(tag->tagged, OBJ_ANY, data);
+ return options->walk(tag->tagged, OBJ_ANY, data, options);
}
- int fsck_walk(struct object *obj, fsck_walk_func walk, void *data)
+ int fsck_walk(struct object *obj, void *data, struct fsck_options *options)
{
if (!obj)
return -1;
case OBJ_BLOB:
return 0;
case OBJ_TREE:
- return fsck_walk_tree((struct tree *)obj, walk, data);
+ return fsck_walk_tree((struct tree *)obj, data, options);
case OBJ_COMMIT:
- return fsck_walk_commit((struct commit *)obj, walk, data);
+ return fsck_walk_commit((struct commit *)obj, data, options);
case OBJ_TAG:
- return fsck_walk_tag((struct tag *)obj, walk, data);
+ return fsck_walk_tag((struct tag *)obj, data, options);
default:
error("Unknown object type for %s", sha1_to_hex(obj->sha1));
return -1;
return c1 < c2 ? 0 : TREE_UNORDERED;
}
- static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
+ static int fsck_tree(struct tree *item, struct fsck_options *options)
{
int retval;
int has_null_sha1 = 0;
* bits..
*/
case S_IFREG | 0664:
- if (!strict)
+ if (!options->strict)
break;
default:
has_bad_modes = 1;
retval = 0;
if (has_null_sha1)
- retval += error_func(&item->object, FSCK_WARN, "contains entries pointing to null sha1");
+ retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1");
if (has_full_path)
- retval += error_func(&item->object, FSCK_WARN, "contains full pathnames");
+ retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames");
if (has_empty_name)
- retval += error_func(&item->object, FSCK_WARN, "contains empty pathname");
+ retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname");
if (has_dot)
- retval += error_func(&item->object, FSCK_WARN, "contains '.'");
+ retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'");
if (has_dotdot)
- retval += error_func(&item->object, FSCK_WARN, "contains '..'");
+ retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'");
if (has_dotgit)
- retval += error_func(&item->object, FSCK_WARN, "contains '.git'");
+ retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'");
if (has_zero_pad)
- retval += error_func(&item->object, FSCK_WARN, "contains zero-padded file modes");
+ retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes");
if (has_bad_modes)
- retval += error_func(&item->object, FSCK_WARN, "contains bad file modes");
+ retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes");
if (has_dup_entries)
- retval += error_func(&item->object, FSCK_ERROR, "contains duplicate file entries");
+ retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries");
if (not_properly_sorted)
- retval += error_func(&item->object, FSCK_ERROR, "not properly sorted");
+ retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted");
return retval;
}
-static int require_end_of_header(const void *data, unsigned long size,
- struct object *obj, struct fsck_options *options)
+static int verify_headers(const void *data, unsigned long size,
- struct object *obj, fsck_error error_func)
++ struct object *obj, struct fsck_options *options)
{
const char *buffer = (const char *)data;
unsigned long i;
for (i = 0; i < size; i++) {
switch (buffer[i]) {
case '\0':
- return error_func(obj, FSCK_ERROR,
- "unterminated header: NUL at offset %d", i);
+ return report(options, obj,
+ FSCK_MSG_NUL_IN_HEADER,
+ "unterminated header: NUL at offset %ld", i);
case '\n':
if (i + 1 < size && buffer[i + 1] == '\n')
return 0;
}
}
- return error_func(obj, FSCK_ERROR, "unterminated header");
+ /*
+ * We did not find double-LF that separates the header
+ * and the body. Not having a body is not a crime but
+ * we do want to see the terminating LF for the last header
+ * line.
+ */
+ if (size && buffer[size - 1] == '\n')
+ return 0;
+
+ return report(options, obj,
+ FSCK_MSG_UNTERMINATED_HEADER, "unterminated header");
}
- static int fsck_ident(const char **ident, struct object *obj, fsck_error error_func)
+ static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options)
{
+ const char *p = *ident;
char *end;
- if (**ident == '<')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
- *ident += strcspn(*ident, "<>\n");
- if (**ident == '>')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad name");
- if (**ident != '<')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing email");
- if ((*ident)[-1] != ' ')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
- (*ident)++;
- *ident += strcspn(*ident, "<>\n");
- if (**ident != '>')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad email");
- (*ident)++;
- if (**ident != ' ')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before date");
- (*ident)++;
- if (**ident == '0' && (*ident)[1] != ' ')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - zero-padded date");
- if (date_overflows(strtoul(*ident, &end, 10)))
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - date causes integer overflow");
- if (end == *ident || *end != ' ')
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad date");
- *ident = end + 1;
- if ((**ident != '+' && **ident != '-') ||
- !isdigit((*ident)[1]) ||
- !isdigit((*ident)[2]) ||
- !isdigit((*ident)[3]) ||
- !isdigit((*ident)[4]) ||
- ((*ident)[5] != '\n'))
- return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad time zone");
- (*ident) += 6;
+ *ident = strchrnul(*ident, '\n');
+ if (**ident == '\n')
+ (*ident)++;
+
+ if (*p == '<')
+ return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
+ p += strcspn(p, "<>\n");
+ if (*p == '>')
+ return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name");
+ if (*p != '<')
+ return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email");
+ if (p[-1] != ' ')
+ return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
+ p++;
+ p += strcspn(p, "<>\n");
+ if (*p != '>')
+ return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email");
+ p++;
+ if (*p != ' ')
+ return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date");
+ p++;
+ if (*p == '0' && p[1] != ' ')
+ return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date");
+ if (date_overflows(strtoul(p, &end, 10)))
+ return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow");
+ if ((end == p || *end != ' '))
+ return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date");
+ p = end + 1;
+ if ((*p != '+' && *p != '-') ||
+ !isdigit(p[1]) ||
+ !isdigit(p[2]) ||
+ !isdigit(p[3]) ||
+ !isdigit(p[4]) ||
+ (p[5] != '\n'))
+ return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone");
+ p += 6;
return 0;
}
static int fsck_commit_buffer(struct commit *commit, const char *buffer,
- unsigned long size, fsck_error error_func)
+ unsigned long size, struct fsck_options *options)
{
unsigned char tree_sha1[20], sha1[20];
struct commit_graft *graft;
- unsigned parent_count, parent_line_count = 0;
+ unsigned parent_count, parent_line_count = 0, author_count;
int err;
- if (verify_headers(buffer, size, &commit->object, error_func))
- if (require_end_of_header(buffer, size, &commit->object, options))
++ if (verify_headers(buffer, size, &commit->object, options))
return -1;
if (!skip_prefix(buffer, "tree ", &buffer))
- return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'tree' line");
- if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n')
- return error_func(&commit->object, FSCK_ERROR, "invalid 'tree' line format - bad sha1");
+ return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line");
+ if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n') {
+ err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1");
+ if (err)
+ return err;
+ }
buffer += 41;
while (skip_prefix(buffer, "parent ", &buffer)) {
- if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n')
- return error_func(&commit->object, FSCK_ERROR, "invalid 'parent' line format - bad sha1");
+ if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') {
+ err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1");
+ if (err)
+ return err;
+ }
buffer += 41;
parent_line_count++;
}
if (graft) {
if (graft->nr_parent == -1 && !parent_count)
; /* shallow commit */
- else if (graft->nr_parent != parent_count)
- return error_func(&commit->object, FSCK_ERROR, "graft objects missing");
+ else if (graft->nr_parent != parent_count) {
+ err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing");
+ if (err)
+ return err;
+ }
} else {
- if (parent_count != parent_line_count)
- return error_func(&commit->object, FSCK_ERROR, "parent objects missing");
+ if (parent_count != parent_line_count) {
+ err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing");
+ if (err)
+ return err;
+ }
+ }
+ author_count = 0;
+ while (skip_prefix(buffer, "author ", &buffer)) {
+ author_count++;
+ err = fsck_ident(&buffer, &commit->object, options);
+ if (err)
+ return err;
}
- if (!skip_prefix(buffer, "author ", &buffer))
- return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'author' line");
- err = fsck_ident(&buffer, &commit->object, error_func);
+ if (author_count < 1)
+ err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line");
+ else if (author_count > 1)
+ err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines");
if (err)
return err;
if (!skip_prefix(buffer, "committer ", &buffer))
- return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'committer' line");
- err = fsck_ident(&buffer, &commit->object, error_func);
+ return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line");
+ err = fsck_ident(&buffer, &commit->object, options);
if (err)
return err;
if (!commit->tree)
- return error_func(&commit->object, FSCK_ERROR, "could not load commit's tree %s", sha1_to_hex(tree_sha1));
+ return report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", sha1_to_hex(tree_sha1));
return 0;
}
static int fsck_commit(struct commit *commit, const char *data,
- unsigned long size, fsck_error error_func)
+ unsigned long size, struct fsck_options *options)
{
const char *buffer = data ? data : get_commit_buffer(commit, &size);
- int ret = fsck_commit_buffer(commit, buffer, size, error_func);
+ int ret = fsck_commit_buffer(commit, buffer, size, options);
if (!data)
unuse_commit_buffer(commit, buffer);
return ret;
}
static int fsck_tag_buffer(struct tag *tag, const char *data,
- unsigned long size, fsck_error error_func)
+ unsigned long size, struct fsck_options *options)
{
unsigned char sha1[20];
int ret = 0;
buffer = to_free =
read_sha1_file(tag->object.sha1, &type, &size);
if (!buffer)
- return error_func(&tag->object, FSCK_ERROR,
+ return report(options, &tag->object,
+ FSCK_MSG_MISSING_TAG_OBJECT,
"cannot read tag object");
if (type != OBJ_TAG) {
- ret = error_func(&tag->object, FSCK_ERROR,
+ ret = report(options, &tag->object,
+ FSCK_MSG_TAG_OBJECT_NOT_TAG,
"expected tag got %s",
typename(type));
goto done;
}
}
- if (verify_headers(buffer, size, &tag->object, error_func))
- if (require_end_of_header(buffer, size, &tag->object, options))
++ if (verify_headers(buffer, size, &tag->object, options))
goto done;
if (!skip_prefix(buffer, "object ", &buffer)) {
- ret = error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'object' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line");
goto done;
}
if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') {
- ret = error_func(&tag->object, FSCK_ERROR, "invalid 'object' line format - bad sha1");
- goto done;
+ ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1");
+ if (ret)
+ goto done;
}
buffer += 41;
if (!skip_prefix(buffer, "type ", &buffer)) {
- ret = error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'type' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line");
goto done;
}
eol = strchr(buffer, '\n');
if (!eol) {
- ret = error_func(&tag->object, FSCK_ERROR, "invalid format - unexpected end after 'type' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line");
goto done;
}
if (type_from_string_gently(buffer, eol - buffer, 1) < 0)
- ret = error_func(&tag->object, FSCK_ERROR, "invalid 'type' value");
+ ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value");
if (ret)
goto done;
buffer = eol + 1;
if (!skip_prefix(buffer, "tag ", &buffer)) {
- ret = error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'tag' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line");
goto done;
}
eol = strchr(buffer, '\n');
if (!eol) {
- ret = error_func(&tag->object, FSCK_ERROR, "invalid format - unexpected end after 'type' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line");
goto done;
}
strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer);
- if (check_refname_format(sb.buf, 0))
- error_func(&tag->object, FSCK_WARN, "invalid 'tag' name: %.*s",
+ if (check_refname_format(sb.buf, 0)) {
+ ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME,
+ "invalid 'tag' name: %.*s",
(int)(eol - buffer), buffer);
+ if (ret)
+ goto done;
+ }
buffer = eol + 1;
- if (!skip_prefix(buffer, "tagger ", &buffer))
+ if (!skip_prefix(buffer, "tagger ", &buffer)) {
/* early tags do not contain 'tagger' lines; warn only */
- error_func(&tag->object, FSCK_WARN, "invalid format - expected 'tagger' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line");
+ if (ret)
+ goto done;
+ }
else
- ret = fsck_ident(&buffer, &tag->object, error_func);
+ ret = fsck_ident(&buffer, &tag->object, options);
done:
strbuf_release(&sb);
}
static int fsck_tag(struct tag *tag, const char *data,
- unsigned long size, fsck_error error_func)
+ unsigned long size, struct fsck_options *options)
{
struct object *tagged = tag->tagged;
if (!tagged)
- return error_func(&tag->object, FSCK_ERROR, "could not load tagged object");
+ return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object");
- return fsck_tag_buffer(tag, data, size, error_func);
+ return fsck_tag_buffer(tag, data, size, options);
}
int fsck_object(struct object *obj, void *data, unsigned long size,
- int strict, fsck_error error_func)
+ struct fsck_options *options)
{
if (!obj)
- return error_func(obj, FSCK_ERROR, "no valid object to fsck");
+ return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck");
if (obj->type == OBJ_BLOB)
return 0;
if (obj->type == OBJ_TREE)
- return fsck_tree((struct tree *) obj, strict, error_func);
+ return fsck_tree((struct tree *) obj, options);
if (obj->type == OBJ_COMMIT)
return fsck_commit((struct commit *) obj, (const char *) data,
- size, error_func);
+ size, options);
if (obj->type == OBJ_TAG)
return fsck_tag((struct tag *) obj, (const char *) data,
- size, error_func);
+ size, options);
- return error_func(obj, FSCK_ERROR, "unknown type '%d' (internal fsck error)",
+ return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)",
obj->type);
}
- int fsck_error_function(struct object *obj, int type, const char *fmt, ...)
+ int fsck_error_function(struct object *obj, int msg_type, const char *message)
{
- va_list ap;
- struct strbuf sb = STRBUF_INIT;
-
- strbuf_addf(&sb, "object %s:", sha1_to_hex(obj->sha1));
-
- va_start(ap, fmt);
- strbuf_vaddf(&sb, fmt, ap);
- va_end(ap);
-
- error("%s", sb.buf);
- strbuf_release(&sb);
+ if (msg_type == FSCK_WARN) {
+ warning("object %s: %s", sha1_to_hex(obj->sha1), message);
+ return 0;
+ }
+ error("object %s: %s", sha1_to_hex(obj->sha1), message);
return 1;
}