Method: Rugged::Commit#header_field

Defined in:
ext/rugged/rugged_commit.c

#header_field(field_name) ⇒ String

Returns commit‘s header field value.

Returns:

  • (String) 


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# File 'ext/rugged/rugged_commit.c', line 666

static VALUE rb_git_commit_header_field(VALUE self, VALUE rb_field)
{
  git_buf header_field = { 0 };
  git_commit *commit = NULL;

  const char *encoding_name;
  rb_encoding *encoding = rb_utf8_encoding();
  VALUE rb_result;

  int error;

  Check_Type(rb_field, T_STRING);
  TypedData_Get_Struct(self, git_commit, &rugged_object_type, commit);

  error = git_commit_header_field(&header_field, commit, StringValueCStr(rb_field));

  if (error < 0) {
    git_buf_dispose(&header_field);
    if (error == GIT_ENOTFOUND)
      return Qnil;
    rugged_exception_check(error);
  }

  encoding_name = git_commit_message_encoding(commit);
  if (encoding_name != NULL)
    encoding = rb_enc_find(encoding_name);

  rb_result = rb_enc_str_new(header_field.ptr, header_field.size, encoding);
  git_buf_dispose(&header_field);
  return rb_result;
}