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-rw-r--r--dir.h127
1 files changed, 106 insertions, 21 deletions
diff --git a/dir.h b/dir.h
index 55e53456af..7b5855dd80 100644
--- a/dir.h
+++ b/dir.h
@@ -15,6 +15,27 @@ struct dir_entry {
#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;
+ int flags;
+
+ /*
+ * 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
@@ -32,26 +53,7 @@ struct exclude_list {
/* origin of list, e.g. path to filename, or descriptive string */
const char *src;
- 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;
- int flags;
-
- /*
- * Counting starts from 1 for line numbers in ignore files,
- * and from -1 decrementing for patterns from CLI args.
- */
- int srcpos;
- } **excludes;
+ struct exclude **excludes;
};
/*
@@ -64,6 +66,7 @@ struct exclude_stack {
struct exclude_stack *prev; /* the struct exclude_stack for the parent directory */
int baselen;
int exclude_ix; /* index of exclude_list within EXC_DIRS exclude_list_group */
+ struct untracked_cache_dir *ucd;
};
struct exclude_list_group {
@@ -71,6 +74,73 @@ struct exclude_list_group {
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 {
int nr, alloc;
int ignored_nr, ignored_alloc;
@@ -117,7 +187,13 @@ struct dir_struct {
*/
struct exclude_stack *exclude_stack;
struct exclude *exclude;
- char basebuf[PATH_MAX];
+ 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;
};
/*
@@ -135,6 +211,7 @@ 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 struct pathspec *pathspec);
@@ -223,4 +300,12 @@ static inline int dir_path_match(const struct dir_entry *ent,
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_ident(struct untracked_cache *);
#endif