completion: learn about --man-path

diff --git a/cache.h b/cache.h
index 9bfd76b740ac17800f9923d48035b639f05959b9..dd0fb33a1520edf2a243555474d1875818294598 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -119,15 +119,19 @@ struct cache_time {
        unsigned int nsec;
 };
 
+struct stat_data {
+       struct cache_time sd_ctime;
+       struct cache_time sd_mtime;
+       unsigned int sd_dev;
+       unsigned int sd_ino;
+       unsigned int sd_uid;
+       unsigned int sd_gid;
+       unsigned int sd_size;
+};
+
 struct cache_entry {
-       struct cache_time ce_ctime;
-       struct cache_time ce_mtime;
-       unsigned int ce_dev;
-       unsigned int ce_ino;
+       struct stat_data ce_stat_data;
        unsigned int ce_mode;
-       unsigned int ce_uid;
-       unsigned int ce_gid;
-       unsigned int ce_size;
        unsigned int ce_flags;
        unsigned int ce_namelen;
        unsigned char sha1[20];
@@ -190,7 +194,8 @@ struct cache_entry {
  * another. But we never change the name, or the hash state!
  */
 #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED)
-static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src)
+static inline void copy_cache_entry(struct cache_entry *dst,
+                                   const struct cache_entry *src)
 {
        unsigned int state = dst->ce_flags & CE_STATE_MASK;
 
@@ -222,7 +227,8 @@ static inline unsigned int create_ce_mode(unsigned int mode)
                return S_IFGITLINK;
        return S_IFREG | ce_permissions(mode);
 }
-static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode)
+static inline unsigned int ce_mode_from_stat(const struct cache_entry *ce,
+                                            unsigned int mode)
 {
        extern int trust_executable_bit, has_symlinks;
        if (!has_symlinks && S_ISREG(mode) &&
@@ -480,8 +486,8 @@ extern void *read_blob_data_from_index(struct index_state *, const char *, unsig
 #define CE_MATCH_RACY_IS_DIRTY         02
 /* do stat comparison even if CE_SKIP_WORKTREE is true */
 #define CE_MATCH_IGNORE_SKIP_WORKTREE  04
-extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int);
-extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int);
+extern int ie_match_stat(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
+extern int ie_modified(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
 
 #define PATHSPEC_ONESTAR 1     /* the pathspec pattern sastisfies GFNM_ONESTAR */
 
@@ -509,6 +515,21 @@ extern int limit_pathspec_to_literal(void);
 #define HASH_FORMAT_CHECK 2
 extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
 extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags);
+
+/*
+ * Record to sd the data from st that we use to check whether a file
+ * might have changed.
+ */
+extern void fill_stat_data(struct stat_data *sd, struct stat *st);
+
+/*
+ * Return 0 if st is consistent with a file not having been changed
+ * since sd was filled.  If there are differences, return a
+ * combination of MTIME_CHANGED, CTIME_CHANGED, OWNER_CHANGED,
+ * INODE_CHANGED, and DATA_CHANGED.
+ */
+extern int match_stat_data(const struct stat_data *sd, struct stat *st);
+
 extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
 
 #define REFRESH_REALLY         0x0001  /* ignore_valid */
@@ -907,6 +928,7 @@ void show_date_relative(unsigned long time, int tz, const struct timeval *now,
                        struct strbuf *timebuf);
 int parse_date(const char *date, char *buf, int bufsize);
 int parse_date_basic(const char *date, unsigned long *timestamp, int *offset);
+int parse_expiry_date(const char *date, unsigned long *timestamp);
 void datestamp(char *buf, int bufsize);
 #define approxidate(s) approxidate_careful((s), NULL)
 unsigned long approxidate_careful(const char *, int *);
@@ -1021,9 +1043,21 @@ struct ref {
        unsigned int
                force:1,
                forced_update:1,
-               merge:1,
                deletion:1,
                matched:1;
+
+       /*
+        * Order is important here, as we write to FETCH_HEAD
+        * in numeric order. And the default NOT_FOR_MERGE
+        * should be 0, so that xcalloc'd structures get it
+        * by default.
+        */
+       enum {
+               FETCH_HEAD_MERGE = -1,
+               FETCH_HEAD_NOT_FOR_MERGE = 0,
+               FETCH_HEAD_IGNORE = 1
+       } fetch_head_status;
+
        enum {
                REF_STATUS_NONE = 0,
                REF_STATUS_OK,
@@ -1323,4 +1357,31 @@ int checkout_fast_forward(const unsigned char *from,
 
 int sane_execvp(const char *file, char *const argv[]);
 
+/*
+ * A struct to encapsulate the concept of whether a file has changed
+ * since we last checked it. This uses criteria similar to those used
+ * for the index.
+ */
+struct stat_validity {
+       struct stat_data *sd;
+};
+
+void stat_validity_clear(struct stat_validity *sv);
+
+/*
+ * Returns 1 if the path is a regular file (or a symlink to a regular
+ * file) and matches the saved stat_validity, 0 otherwise.  A missing
+ * or inaccessible file is considered a match if the struct was just
+ * initialized, or if the previous update found an inaccessible file.
+ */
+int stat_validity_check(struct stat_validity *sv, const char *path);
+
+/*
+ * Update the stat_validity from a file opened at descriptor fd. If
+ * the file is missing, inaccessible, or not a regular file, then
+ * future calls to stat_validity_check will match iff one of those
+ * conditions continues to be true.
+ */
+void stat_validity_update(struct stat_validity *sv, int fd);
+
 #endif /* CACHE_H */