t7700: demonstrate mishandling of loose objects in an alternate ODB

[thirdparty/git.git] / cache.h

diff --git a/cache.h b/cache.h
index 0d8eddac778ace8e4b5f58459f508ac1192dbcff..1a5740f5899628b2d2b3ed063b81f89a21308d67 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -222,7 +222,8 @@ struct index_state {
        struct cache_tree *cache_tree;
        time_t timestamp;
        void *alloc;
-       unsigned name_hash_initialized : 1;
+       unsigned name_hash_initialized : 1,
+                initialized : 1;
        struct hash_table name_hash;
 };
 
@@ -254,11 +255,13 @@ static inline void remove_name_hash(struct cache_entry *ce)
 
 #define read_cache() read_index(&the_index)
 #define read_cache_from(path) read_index_from(&the_index, (path))
+#define read_cache_unmerged() read_index_unmerged(&the_index)
 #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd))
 #define discard_cache() discard_index(&the_index)
 #define unmerged_cache() unmerged_index(&the_index)
 #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen))
 #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option))
+#define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name))
 #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos))
 #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path))
 #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags))
@@ -267,6 +270,7 @@ static inline void remove_name_hash(struct cache_entry *ce)
 #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options))
 #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))
 #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase))
+#define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen))
 #endif
 
 enum object_type {
@@ -356,6 +360,7 @@ extern int init_db(const char *template_dir, unsigned int flags);
 /* Initialize and use the cache information */
 extern int read_index(struct index_state *);
 extern int read_index_from(struct index_state *, const char *path);
+extern int read_index_unmerged(struct index_state *);
 extern int write_index(const struct index_state *, int newfd);
 extern int discard_index(struct index_state *);
 extern int unmerged_index(const struct index_state *);
@@ -368,6 +373,7 @@ extern int index_name_pos(const struct index_state *, const char *name, int name
 #define ADD_CACHE_JUST_APPEND 8                /* Append only; tree.c::read_tree() */
 extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option);
 extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
+extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name);
 extern int remove_index_entry_at(struct index_state *, int pos);
 extern int remove_file_from_index(struct index_state *, const char *path);
 #define ADD_CACHE_VERBOSE 1
@@ -377,6 +383,7 @@ extern int add_to_index(struct index_state *, const char *path, struct stat *, i
 extern int add_file_to_index(struct index_state *, const char *path, int flags);
 extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh);
 extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
+extern int index_name_is_other(const struct index_state *, const char *, int);
 
 /* do stat comparison even if CE_VALID is true */
 #define CE_MATCH_IGNORE_VALID          01
@@ -395,7 +402,8 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
 #define REFRESH_UNMERGED       0x0002  /* allow unmerged */
 #define REFRESH_QUIET          0x0004  /* be quiet about it */
 #define REFRESH_IGNORE_MISSING 0x0008  /* ignore non-existent */
-#define REFRESH_IGNORE_SUBMODULES      0x0008  /* ignore submodules */
+#define REFRESH_IGNORE_SUBMODULES      0x0010  /* ignore submodules */
+#define REFRESH_SAY_CHANGED    0x0020  /* say "changed" not "needs update" */
 extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen);
 
 struct lock_file {
@@ -405,6 +413,8 @@ struct lock_file {
        char on_list;
        char filename[PATH_MAX];
 };
+#define LOCK_DIE_ON_ERROR 1
+#define LOCK_NODEREF 2
 extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
 extern int hold_lock_file_for_append(struct lock_file *, const char *path, int);
 extern int commit_lock_file(struct lock_file *);
@@ -414,10 +424,11 @@ extern int commit_locked_index(struct lock_file *);
 extern void set_alternate_index_output(const char *);
 extern int close_lock_file(struct lock_file *);
 extern void rollback_lock_file(struct lock_file *);
-extern int delete_ref(const char *, const unsigned char *sha1);
+extern int delete_ref(const char *, const unsigned char *sha1, int delopt);
 
 /* Environment bits from configuration mechanism */
 extern int trust_executable_bit;
+extern int trust_ctime;
 extern int quote_path_fully;
 extern int has_symlinks;
 extern int ignore_case;
@@ -473,6 +484,13 @@ extern int check_repository_format(void);
 #define DATA_CHANGED    0x0020
 #define TYPE_CHANGED    0x0040
 
+extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
+       __attribute__((format (printf, 3, 4)));
+extern char *git_snpath(char *buf, size_t n, const char *fmt, ...)
+       __attribute__((format (printf, 3, 4)));
+extern char *git_pathdup(const char *fmt, ...)
+       __attribute__((format (printf, 1, 2)));
+
 /* Return a statically allocated filename matching the sha1 signature */
 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
@@ -538,6 +556,9 @@ extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsig
 extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
 extern int force_object_loose(const unsigned char *sha1, time_t mtime);
 
+/* just like read_sha1_file(), but non fatal in presence of bad objects */
+extern void *read_object(const unsigned char *sha1, enum object_type *type, unsigned long *size);
+
 extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
 
 extern int move_temp_to_file(const char *tmpfile, const char *filename);
@@ -650,7 +671,8 @@ extern struct packed_git {
        int index_version;
        time_t mtime;
        int pack_fd;
-       int pack_local;
+       unsigned pack_local:1,
+                pack_keep:1;
        unsigned char sha1[20];
        /* something like ".git/objects/pack/xxxxx.pack" */
        char pack_name[FLEX_ARRAY]; /* more */
@@ -834,5 +856,6 @@ int report_path_error(const char *ps_matched, const char **pathspec, int prefix_
 void overlay_tree_on_cache(const char *tree_name, const char *prefix);
 
 char *alias_lookup(const char *alias);
+int split_cmdline(char *cmdline, const char ***argv);
 
 #endif /* CACHE_H */