src/annotated_commit.c

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7
   8 #include "common.h"
   9 #include "annotated_commit.h"
  10
  11 #include "git2/commit.h"
  12 #include "git2/refs.h"
  13 #include "git2/repository.h"
  14 #include "git2/annotated_commit.h"
  15 #include "git2/revparse.h"
  16
  17 static int annotated_commit_init(
  18         git_annotated_commit **out,
  19         git_repository *repo,
  20         const git_oid *id,
  21         const char *ref_name,
  22         const char *remote_url)
  23 {
  24         git_annotated_commit *annotated_commit;
  25         int error = 0;
  26
  27         assert(out && id);
  28
  29         *out = NULL;
  30
  31         annotated_commit = git__calloc(1, sizeof(git_annotated_commit));
  32         GITERR_CHECK_ALLOC(annotated_commit);
  33
  34         if (ref_name) {
  35                 annotated_commit->ref_name = git__strdup(ref_name);
  36                 GITERR_CHECK_ALLOC(annotated_commit->ref_name);
  37         }
  38
  39         if (remote_url) {
  40                 annotated_commit->remote_url = git__strdup(remote_url);
  41                 GITERR_CHECK_ALLOC(annotated_commit->remote_url);
  42         }
  43
  44         git_oid_fmt(annotated_commit->id_str, id);
  45         annotated_commit->id_str[GIT_OID_HEXSZ] = '\0';
  46
  47         if ((error = git_commit_lookup(&annotated_commit->commit, repo, id)) < 0) {
  48                 git_annotated_commit_free(annotated_commit);
  49                 return error;
  50         }
  51
  52         *out = annotated_commit;
  53         return error;
  54 }
  55
  56 int git_annotated_commit_from_ref(
  57         git_annotated_commit **out,
  58         git_repository *repo,
  59         const git_reference *ref)
  60 {
  61         git_reference *resolved;
  62         int error = 0;
  63
  64         assert(out && repo && ref);
  65
  66         *out = NULL;
  67
  68         if ((error = git_reference_resolve(&resolved, ref)) < 0)
  69                 return error;
  70
  71         error = annotated_commit_init(out, repo, git_reference_target(resolved),
  72                 git_reference_name(ref), NULL);
  73
  74         git_reference_free(resolved);
  75         return error;
  76 }
  77
  78 int git_annotated_commit_lookup(
  79         git_annotated_commit **out,
  80         git_repository *repo,
  81         const git_oid *id)
  82 {
  83         assert(out && repo && id);
  84
  85         return annotated_commit_init(out, repo, id, NULL, NULL);
  86 }
  87
  88 int git_annotated_commit_from_fetchhead(
  89         git_annotated_commit **out,
  90         git_repository *repo,
  91         const char *branch_name,
  92         const char *remote_url,
  93         const git_oid *id)
  94 {
  95         assert(repo && id && branch_name && remote_url);
  96
  97         return annotated_commit_init(out, repo, id, branch_name, remote_url);
  98 }
  99
 100 int git_annotated_commit_from_revspec(
 101         git_annotated_commit **out,
 102         git_repository *repo,
 103         const char *revspec)
 104 {
 105         git_object *obj, *commit;
 106         int error;
 107
 108         assert(out && repo && revspec);
 109
 110         if ((error = git_revparse_single(&obj, repo, revspec)) < 0)
 111                 return error;
 112
 113         if ((error = git_object_peel(&commit, obj, GIT_OBJ_COMMIT))) {
 114                 git_object_free(obj);
 115                 return error;
 116         }
 117
 118         error = annotated_commit_init(out, repo, git_object_id(commit), revspec, NULL);
 119
 120         git_object_free(obj);
 121         git_object_free(commit);
 122
 123         return error;
 124 }
 125
 126
 127 const git_oid *git_annotated_commit_id(
 128         const git_annotated_commit *annotated_commit)
 129 {
 130         assert(annotated_commit);
 131         return git_commit_id(annotated_commit->commit);
 132 }
 133
 134 void git_annotated_commit_free(git_annotated_commit *annotated_commit)
 135 {
 136         if (annotated_commit == NULL)
 137                 return;
 138
 139         if (annotated_commit->commit != NULL)
 140                 git_commit_free(annotated_commit->commit);
 141
 142         if (annotated_commit->ref_name != NULL)
 143                 git__free(annotated_commit->ref_name);
 144
 145         if (annotated_commit->remote_url != NULL)
 146                 git__free(annotated_commit->remote_url);
 147
 148         git__free(annotated_commit);
 149 }