reset: support "--mixed --intent-to-add" mode

diff --git a/cache.h b/cache.h
index c9efe88e9ec40f94401d7a71498396edc523a7cf..8f35d12a7ef78f8651d2ec2701189113246caebb 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -489,6 +489,7 @@ 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(const struct cache_entry *a, const struct cache_entry *b);
+extern void set_object_name_for_intent_to_add_entry(struct cache_entry *ce);
 extern int index_name_is_other(const struct index_state *, const char *, int);
 extern void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *);
 
@@ -737,8 +738,29 @@ enum sharedrepo {
 };
 int git_config_perm(const char *var, const char *value);
 int adjust_shared_perm(const char *path);
-int safe_create_leading_directories(char *path);
-int safe_create_leading_directories_const(const char *path);
+
+/*
+ * Create the directory containing the named path, using care to be
+ * somewhat safe against races.  Return one of the scld_error values
+ * to indicate success/failure.
+ *
+ * SCLD_VANISHED indicates that one of the ancestor directories of the
+ * path existed at one point during the function call and then
+ * suddenly vanished, probably because another process pruned the
+ * directory while we were working.  To be robust against this kind of
+ * race, callers might want to try invoking the function again when it
+ * returns SCLD_VANISHED.
+ */
+enum scld_error {
+       SCLD_OK = 0,
+       SCLD_FAILED = -1,
+       SCLD_PERMS = -2,
+       SCLD_EXISTS = -3,
+       SCLD_VANISHED = -4
+};
+enum scld_error safe_create_leading_directories(char *path);
+enum scld_error safe_create_leading_directories_const(const char *path);
+
 int mkdir_in_gitdir(const char *path);
 extern void home_config_paths(char **global, char **xdg, char *file);
 extern char *expand_user_path(const char *path);
@@ -894,9 +916,12 @@ extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
 extern int interpret_branch_name(const char *str, int len, struct strbuf *);
 extern int get_sha1_mb(const char *str, unsigned char *sha1);
 
-extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules);
-extern const char *ref_rev_parse_rules[];
-#define ref_fetch_rules ref_rev_parse_rules
+/*
+ * Return true iff abbrev_name is a possible abbreviation for
+ * full_name according to the rules defined by ref_rev_parse_rules in
+ * refs.c.
+ */
+extern int refname_match(const char *abbrev_name, const char *full_name);
 
 extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);
 extern int validate_headref(const char *ref);