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authorMichael Haggerty <mhagger@alum.mit.edu>2013-06-20 10:37:50 +0200
committerJunio C Hamano <gitster@pobox.com>2013-06-20 15:50:17 -0700
commitc21d39d7c7eb07eed0be301a72856bff65201256 (patch)
tree694012453e32b8ff4f241319e6fdc8836abb3fa6 /cache.h
parent4f6b83e3708943c3b3f4ac911da7d0c30019c20a (diff)
downloadgit-c21d39d7c7eb07eed0be301a72856bff65201256.tar.gz
Extract a struct stat_data from cache_entry
Add public functions fill_stat_data() and match_stat_data() to work with it. This infrastructure will later be used to check the validity of other types of file. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'cache.h')
-rw-r--r--cache.h33
1 files changed, 26 insertions, 7 deletions
diff --git a/cache.h b/cache.h
index 820aa05c7a..f158fed1d8 100644
--- 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];
@@ -511,6 +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 */