thodg/got/include/got_refs.h

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  Commit

• Author : Stefan Sperling
  Date : 2017-11-05 17:26:31
  Hash : 11995603
  Message : resolve symbolic refs

• include/got_refs.h

• /*
   * Copyright (c) 2017 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  /* A symbolic reference. */
  struct got_symref {
  	char *name;
  	char *ref;
  };
  
  /* A non-symbolic reference (there is no better designation). */
  struct got_ref {
  	char *name;
  	u_int8_t sha1[SHA1_DIGEST_LENGTH];
  };
  
  /* A reference which points to an arbitrary object. */
  struct got_reference {
  	unsigned int flags;
  #define GOT_REF_IS_SYMBOLIC	0x01
  
  	union {
  		struct got_ref ref;
  		struct got_symref symref;
  	} ref;
  };
  
  /* Well-known reference names. */
  #define GOT_REF_HEAD		"HEAD"
  #define GOT_REF_ORIG_HEAD	"ORIG_HEAD"
  #define GOT_REF_MERGE_HEAD	"MERGE_HEAD"
  #define GOT_REF_FETCH_HEAD	"FETCH_HEAD"
  
  struct got_repository;
  struct got_object_id;
  
  const struct got_error * got_ref_open(struct got_reference **,
      struct got_repository *, const char *);
  void got_ref_close(struct got_reference *);
  struct got_reference *got_ref_dup(struct got_reference *);
  const struct got_error *got_ref_resolve(struct got_object_id **,
      struct got_repository *, struct got_reference *);