worktree: add 'list' command

diff --git a/refs.h b/refs.h
index c9596ea69ab6b9bb813a564cf6d9dacb45d4b5a0..e9a5f3230ab09b667e7ae28b2b0bcd26bd2f067e 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -224,11 +224,12 @@ int pack_refs(unsigned int flags);
  * Other flags are reserved for internal use.
  */
 #define REF_NODEREF    0x01
+#define REF_FORCE_CREATE_REFLOG 0x40
 
 /*
- * Setup reflog before using. Set errno to something meaningful on failure.
+ * Setup reflog before using. Fill in err and return -1 on failure.
  */
-int log_ref_setup(const char *refname, struct strbuf *logfile);
+int safe_create_reflog(const char *refname, int force_create, struct strbuf *err);
 
 /** Reads log for the value of ref during at_time. **/
 extern int read_ref_at(const char *refname, unsigned int flags,
@@ -240,11 +241,11 @@ extern int read_ref_at(const char *refname, unsigned int flags,
 extern int reflog_exists(const char *refname);
 
 /*
- * Delete the specified reference. If old_sha1 is non-NULL and not
- * NULL_SHA1, then verify that the current value of the reference is
- * old_sha1 before deleting it. If old_sha1 is NULL or NULL_SHA1,
- * delete the reference if it exists, regardless of its old value.
- * flags is passed through to ref_transaction_delete().
+ * Delete the specified reference. If old_sha1 is non-NULL, then
+ * verify that the current value of the reference is old_sha1 before
+ * deleting it. If old_sha1 is NULL, delete the reference if it
+ * exists, regardless of its old value. It is an error for old_sha1 to
+ * be NULL_SHA1. flags is passed through to ref_transaction_delete().
  */
 extern int delete_ref(const char *refname, const unsigned char *old_sha1,
                      unsigned int flags);
@@ -278,8 +279,8 @@ extern int for_each_reflog(each_ref_fn, void *);
  * to the rules described in Documentation/git-check-ref-format.txt.
  * If REFNAME_ALLOW_ONELEVEL is set in flags, then accept one-level
  * reference names.  If REFNAME_REFSPEC_PATTERN is set in flags, then
- * allow a "*" wildcard character in place of one of the name
- * components.  No leading or repeated slashes are accepted.
+ * allow a single "*" wildcard character in the refspec. No leading or
+ * repeated slashes are accepted.
  */
 extern int check_refname_format(const char *refname, int flags);
 
@@ -444,6 +445,14 @@ extern int parse_hide_refs_config(const char *var, const char *value, const char
 
 extern int ref_is_hidden(const char *);
 
+enum ref_type {
+       REF_TYPE_PER_WORKTREE,
+       REF_TYPE_PSEUDOREF,
+       REF_TYPE_NORMAL,
+};
+
+enum ref_type ref_type(const char *refname);
+
 enum expire_reflog_flags {
        EXPIRE_REFLOGS_DRY_RUN = 1 << 0,
        EXPIRE_REFLOGS_UPDATE_REF = 1 << 1,