#ifndef DIR_H
#define DIR_H
+/* See Documentation/technical/api-directory-listing.txt */
+
#include "strbuf.h"
struct dir_entry {
#define EXC_FLAG_NODIR 1
#define EXC_FLAG_ENDSWITH 4
#define EXC_FLAG_MUSTBEDIR 8
+#define EXC_FLAG_NEGATIVE 16
+
+struct exclude {
+ /*
+ * This allows callers of last_exclude_matching() etc.
+ * to determine the origin of the matching pattern.
+ */
+ struct exclude_list *el;
+
+ const char *pattern;
+ int patternlen;
+ int nowildcardlen;
+ const char *base;
+ int baselen;
+ unsigned flags; /* EXC_FLAG_* */
+
+ /*
+ * Counting starts from 1 for line numbers in ignore files,
+ * and from -1 decrementing for patterns from CLI args.
+ */
+ int srcpos;
+};
+/*
+ * Each excludes file will be parsed into a fresh exclude_list which
+ * is appended to the relevant exclude_list_group (either EXC_DIRS or
+ * EXC_FILE). An exclude_list within the EXC_CMDL exclude_list_group
+ * can also be used to represent the list of --exclude values passed
+ * via CLI args.
+ */
struct exclude_list {
int nr;
int alloc;
- struct exclude {
- const char *pattern;
- int patternlen;
- int nowildcardlen;
- const char *base;
- int baselen;
- int to_exclude;
- int flags;
- } **excludes;
+
+ /* remember pointer to exclude file contents so we can free() */
+ char *filebuf;
+
+ /* origin of list, e.g. path to filename, or descriptive string */
+ const char *src;
+
+ struct exclude **excludes;
};
+/*
+ * The contents of the per-directory exclude files are lazily read on
+ * demand and then cached in memory, one per exclude_stack struct, in
+ * order to avoid opening and parsing each one every time that
+ * directory is traversed.
+ */
struct exclude_stack {
- struct exclude_stack *prev;
- char *filebuf;
+ struct exclude_stack *prev; /* the struct exclude_stack for the parent directory */
int baselen;
- int exclude_ix;
+ int exclude_ix; /* index of exclude_list within EXC_DIRS exclude_list_group */
+ struct untracked_cache_dir *ucd;
+};
+
+struct exclude_list_group {
+ int nr, alloc;
+ struct exclude_list *el;
+};
+
+struct sha1_stat {
+ struct stat_data stat;
+ unsigned char sha1[20];
+ int valid;
+};
+
+/*
+ * Untracked cache
+ *
+ * The following inputs are sufficient to determine what files in a
+ * directory are excluded:
+ *
+ * - The list of files and directories of the directory in question
+ * - The $GIT_DIR/index
+ * - dir_struct flags
+ * - The content of $GIT_DIR/info/exclude
+ * - The content of core.excludesfile
+ * - The content (or the lack) of .gitignore of all parent directories
+ * from $GIT_WORK_TREE
+ * - The check_only flag in read_directory_recursive (for
+ * DIR_HIDE_EMPTY_DIRECTORIES)
+ *
+ * The first input can be checked using directory mtime. In many
+ * filesystems, directory mtime (stat_data field) is updated when its
+ * files or direct subdirs are added or removed.
+ *
+ * The second one can be hooked from cache_tree_invalidate_path().
+ * Whenever a file (or a submodule) is added or removed from a
+ * directory, we invalidate that directory.
+ *
+ * The remaining inputs are easy, their SHA-1 could be used to verify
+ * their contents (exclude_sha1[], info_exclude_sha1[] and
+ * excludes_file_sha1[])
+ */
+struct untracked_cache_dir {
+ struct untracked_cache_dir **dirs;
+ char **untracked;
+ struct stat_data stat_data;
+ unsigned int untracked_alloc, dirs_nr, dirs_alloc;
+ unsigned int untracked_nr;
+ unsigned int check_only : 1;
+ /* all data except 'dirs' in this struct are good */
+ unsigned int valid : 1;
+ unsigned int recurse : 1;
+ /* null SHA-1 means this directory does not have .gitignore */
+ unsigned char exclude_sha1[20];
+ char name[FLEX_ARRAY];
+};
+
+struct untracked_cache {
+ struct sha1_stat ss_info_exclude;
+ struct sha1_stat ss_excludes_file;
+ const char *exclude_per_dir;
+ struct strbuf ident;
+ /*
+ * dir_struct#flags must match dir_flags or the untracked
+ * cache is ignored.
+ */
+ unsigned dir_flags;
+ struct untracked_cache_dir *root;
+ /* Statistics */
+ int dir_created;
+ int gitignore_invalidated;
+ int dir_invalidated;
+ int dir_opened;
};
struct dir_struct {
DIR_SHOW_OTHER_DIRECTORIES = 1<<1,
DIR_HIDE_EMPTY_DIRECTORIES = 1<<2,
DIR_NO_GITLINKS = 1<<3,
- DIR_COLLECT_IGNORED = 1<<4
+ DIR_COLLECT_IGNORED = 1<<4,
+ DIR_SHOW_IGNORED_TOO = 1<<5,
+ DIR_COLLECT_KILLED_ONLY = 1<<6
} flags;
struct dir_entry **entries;
struct dir_entry **ignored;
/* Exclude info */
const char *exclude_per_dir;
- struct exclude_list exclude_list[3];
+
/*
- * We maintain three exclude pattern lists:
+ * We maintain three groups of exclude pattern lists:
+ *
* EXC_CMDL lists patterns explicitly given on the command line.
* EXC_DIRS lists patterns obtained from per-directory ignore files.
- * EXC_FILE lists patterns from fallback ignore files.
+ * EXC_FILE lists patterns from fallback ignore files, e.g.
+ * - .git/info/exclude
+ * - core.excludesfile
+ *
+ * Each group contains multiple exclude lists, a single list
+ * per source.
*/
#define EXC_CMDL 0
#define EXC_DIRS 1
#define EXC_FILE 2
+ struct exclude_list_group exclude_list_group[3];
+ /*
+ * Temporary variables which are used during loading of the
+ * per-directory exclude lists.
+ *
+ * exclude_stack points to the top of the exclude_stack, and
+ * basebuf contains the full path to the current
+ * (sub)directory in the traversal. Exclude points to the
+ * matching exclude struct if the directory is excluded.
+ */
struct exclude_stack *exclude_stack;
- char basebuf[PATH_MAX];
+ struct exclude *exclude;
+ struct strbuf basebuf;
+
+ /* Enable untracked file cache if set */
+ struct untracked_cache *untracked;
+ struct sha1_stat ss_info_exclude;
+ struct sha1_stat ss_excludes_file;
+ unsigned unmanaged_exclude_files;
};
+/*
+ * The ordering of these constants is significant, with
+ * higher-numbered match types signifying "closer" (i.e. more
+ * specific) matches which will override lower-numbered match types
+ * when populating the seen[] array.
+ */
#define MATCHED_RECURSIVELY 1
#define MATCHED_FNMATCH 2
#define MATCHED_EXACTLY 3
-extern char *common_prefix(const char **pathspec);
-extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
-extern int match_pathspec_depth(const struct pathspec *pathspec,
- const char *name, int namelen,
- int prefix, char *seen);
+extern int simple_length(const char *match);
+extern int no_wildcard(const char *string);
+extern char *common_prefix(const struct pathspec *pathspec);
+extern int match_pathspec(const struct pathspec *pathspec,
+ const char *name, int namelen,
+ int prefix, char *seen, int is_dir);
+extern int report_path_error(const char *ps_matched, const struct pathspec *pathspec, const char *prefix);
extern int within_depth(const char *name, int namelen, int depth, int max_depth);
-extern int fill_directory(struct dir_struct *dir, const char **pathspec);
-extern int read_directory(struct dir_struct *, const char *path, int len, const char **pathspec);
+extern int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec);
+extern int read_directory(struct dir_struct *, const char *path, int len, const struct pathspec *pathspec);
-extern int excluded_from_list(const char *pathname, int pathlen, const char *basename,
- int *dtype, struct exclude_list *el);
+extern int is_excluded_from_list(const char *pathname, int pathlen, const char *basename,
+ int *dtype, struct exclude_list *el);
struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len);
/*
- * The excluded() API is meant for callers that check each level of leading
- * directory hierarchies with excluded() to avoid recursing into excluded
- * directories. Callers that do not do so should use this API instead.
+ * these implement the matching logic for dir.c:excluded_from_list and
+ * attr.c:path_matches()
*/
-struct path_exclude_check {
- struct dir_struct *dir;
- struct strbuf path;
-};
-extern void path_exclude_check_init(struct path_exclude_check *, struct dir_struct *);
-extern void path_exclude_check_clear(struct path_exclude_check *);
-extern int path_excluded(struct path_exclude_check *, const char *, int namelen, int *dtype);
+extern int match_basename(const char *, int,
+ const char *, int, int, unsigned);
+extern int match_pathname(const char *, int,
+ const char *, int,
+ const char *, int, int, unsigned);
+extern struct exclude *last_exclude_matching(struct dir_struct *dir,
+ const char *name, int *dtype);
+extern int is_excluded(struct dir_struct *dir, const char *name, int *dtype);
+
+extern struct exclude_list *add_exclude_list(struct dir_struct *dir,
+ int group_type, const char *src);
extern int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen,
- char **buf_p, struct exclude_list *which, int check_index);
+ struct exclude_list *el, int check_index);
extern void add_excludes_from_file(struct dir_struct *, const char *fname);
+extern void parse_exclude_pattern(const char **string, int *patternlen, unsigned *flags, int *nowildcardlen);
extern void add_exclude(const char *string, const char *base,
- int baselen, struct exclude_list *which);
-extern void free_excludes(struct exclude_list *el);
+ int baselen, struct exclude_list *el, int srcpos);
+extern void clear_exclude_list(struct exclude_list *el);
+extern void clear_directory(struct dir_struct *dir);
extern int file_exists(const char *);
extern int is_inside_dir(const char *dir);
extern void setup_standard_excludes(struct dir_struct *dir);
+
+/* Constants for remove_dir_recursively: */
+
+/*
+ * If a non-directory is found within path, stop and return an error.
+ * (In this case some empty directories might already have been
+ * removed.)
+ */
#define REMOVE_DIR_EMPTY_ONLY 01
+
+/*
+ * If any Git work trees are found within path, skip them without
+ * considering it an error.
+ */
#define REMOVE_DIR_KEEP_NESTED_GIT 02
+
+/* Remove the contents of path, but leave path itself. */
#define REMOVE_DIR_KEEP_TOPLEVEL 04
+
+/*
+ * Remove path and its contents, recursively. flags is a combination
+ * of the above REMOVE_DIR_* constants. Return 0 on success.
+ *
+ * This function uses path as temporary scratch space, but restores it
+ * before returning.
+ */
extern int remove_dir_recursively(struct strbuf *path, int flag);
/* tries to remove the path with empty directories along it, ignores ENOENT */
extern int remove_path(const char *path);
-extern int strcmp_icase(const char *a, const char *b);
-extern int strncmp_icase(const char *a, const char *b, size_t count);
-extern int fnmatch_icase(const char *pattern, const char *string, int flags);
+extern int fspathcmp(const char *a, const char *b);
+extern int fspathncmp(const char *a, const char *b, size_t count);
+
+/*
+ * The prefix part of pattern must not contains wildcards.
+ */
+struct pathspec_item;
+extern int git_fnmatch(const struct pathspec_item *item,
+ const char *pattern, const char *string,
+ int prefix);
+
+extern int submodule_path_match(const struct pathspec *ps,
+ const char *submodule_name,
+ char *seen);
+
+static inline int ce_path_match(const struct cache_entry *ce,
+ const struct pathspec *pathspec,
+ char *seen)
+{
+ return match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen,
+ S_ISDIR(ce->ce_mode) || S_ISGITLINK(ce->ce_mode));
+}
+
+static inline int dir_path_match(const struct dir_entry *ent,
+ const struct pathspec *pathspec,
+ int prefix, char *seen)
+{
+ int has_trailing_dir = ent->len && ent->name[ent->len - 1] == '/';
+ int len = has_trailing_dir ? ent->len - 1 : ent->len;
+ return match_pathspec(pathspec, ent->name, len, prefix, seen,
+ has_trailing_dir);
+}
+
+void untracked_cache_invalidate_path(struct index_state *, const char *);
+void untracked_cache_remove_from_index(struct index_state *, const char *);
+void untracked_cache_add_to_index(struct index_state *, const char *);
+void free_untracked_cache(struct untracked_cache *);
+struct untracked_cache *read_untracked_extension(const void *data, unsigned long sz);
+void write_untracked_extension(struct strbuf *out, struct untracked_cache *untracked);
+void add_untracked_cache(struct index_state *istate);
+void remove_untracked_cache(struct index_state *istate);
#endif
projects / platform / upstream / git.git / blobdiff