Rename environment variables.

[git.git] / cache.h

diff --git a/cache.h b/cache.h
index 94f22c2..1c15b2b 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -31,6 +31,13 @@
 #endif
 
 /*
+ * Environment variables transition.
+ * We accept older names for now but warn.
+ */
+extern char *gitenv_bc(const char *);
+#define gitenv(e) (getenv(e) ? : gitenv_bc(e))
+
+/*
  * Basic data structures for the directory cache
  *
  * NOTE NOTE NOTE! This is all in the native CPU byte format. It's
@@ -87,23 +94,28 @@ struct cache_entry {
 #define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
 
 #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
-#define create_ce_mode(mode) htonl(S_IFREG | ce_permissions(mode))
+static inline unsigned int create_ce_mode(unsigned int mode)
+{
+       if (S_ISLNK(mode))
+               return htonl(S_IFLNK);
+       return htonl(S_IFREG | ce_permissions(mode));
+}
 
 #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
 
-const char *sha1_file_directory;
 struct cache_entry **active_cache;
-unsigned int active_nr, active_alloc;
+unsigned int active_nr, active_alloc, active_cache_changed;
 
-#define DB_ENVIRONMENT "SHA1_FILE_DIRECTORY"
+#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
 #define DEFAULT_DB_ENVIRONMENT ".git/objects"
+#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
 
-#define get_object_directory() (getenv(DB_ENVIRONMENT) ? : DEFAULT_DB_ENVIRONMENT)
+#define get_object_directory() (gitenv(DB_ENVIRONMENT) ? : DEFAULT_DB_ENVIRONMENT)
 
 #define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
 #define DEFAULT_INDEX_ENVIRONMENT ".git/index"
 
-#define get_index_file() (getenv(INDEX_ENVIRONMENT) ? : DEFAULT_INDEX_ENVIRONMENT)
+#define get_index_file() (gitenv(INDEX_ENVIRONMENT) ? : DEFAULT_INDEX_ENVIRONMENT)
 
 #define alloc_nr(x) (((x)+16)*3/2)
 
@@ -111,7 +123,9 @@ unsigned int active_nr, active_alloc;
 extern int read_cache(void);
 extern int write_cache(int newfd, struct cache_entry **cache, int entries);
 extern int cache_name_pos(const char *name, int namelen);
-extern int add_cache_entry(struct cache_entry *ce, int ok_to_add);
+#define ADD_CACHE_OK_TO_ADD 1          /* Ok to add */
+#define ADD_CACHE_OK_TO_REPLACE 2      /* Ok to replace file/directory */
+extern int add_cache_entry(struct cache_entry *ce, int option);
 extern int remove_entry_at(int pos);
 extern int remove_file_from_cache(char *path);
 extern int same_name(struct cache_entry *a, struct cache_entry *b);
@@ -124,13 +138,11 @@ extern int index_fd(unsigned char *sha1, int fd, struct stat *st);
 #define MODE_CHANGED    0x0008
 #define INODE_CHANGED   0x0010
 #define DATA_CHANGED    0x0020
+#define TYPE_CHANGED    0x0040
 
 /* Return a statically allocated filename matching the sha1 signature */
 extern char *sha1_file_name(const unsigned char *sha1);
 
-/* Write a memory buffer out to the sha file */
-extern int write_sha1_buffer(const unsigned char *sha1, void *buf, unsigned int size);
-
 /* Read and unpack a sha1 file into memory, write memory to a sha1 file */
 extern void * map_sha1_file(const unsigned char *sha1, unsigned long *size);
 extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size);
@@ -163,6 +175,7 @@ extern void *read_object_with_reference(const unsigned char *sha1,
                                        unsigned long *size,
                                        unsigned char *sha1_ret);
 
+const char *show_date(unsigned long time, int timezone);
 void parse_date(char *date, char *buf, int bufsize);
 void datestamp(char *buf, int bufsize);