thodg/libgit2/tests/rebase/sign.c

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• Hash : ca14942e
  Author :
  Date : 2021-11-11T13:28:08
  

  tests: declare functions statically where appropriate

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• tests/rebase/sign.c

• #include "clar_libgit2.h"
  #include "git2/rebase.h"
  
  static git_repository *repo;
  static git_signature *signature;
  
  /* Fixture setup and teardown */
  void test_rebase_sign__initialize(void)
  {
  	repo = cl_git_sandbox_init("rebase");
  	cl_git_pass(git_signature_new(&signature, "Rebaser",
  		"rebaser@rebaser.rb", 1405694510, 0));
  }
  
  void test_rebase_sign__cleanup(void)
  {
  	git_signature_free(signature);
  	cl_git_sandbox_cleanup();
  }
  
  static int create_cb_passthrough(
  	git_oid *out,
  	const git_signature *author,
  	const git_signature *committer,
  	const char *message_encoding,
  	const char *message,
  	const git_tree *tree,
  	size_t parent_count,
  	const git_commit *parents[],
  	void *payload)
  {
  	GIT_UNUSED(out);
  	GIT_UNUSED(author);
  	GIT_UNUSED(committer);
  	GIT_UNUSED(message_encoding);
  	GIT_UNUSED(message);
  	GIT_UNUSED(tree);
  	GIT_UNUSED(parent_count);
  	GIT_UNUSED(parents);
  	GIT_UNUSED(payload);
  
  	return GIT_PASSTHROUGH;
  }
  
  /* git checkout gravy ; git rebase --merge veal */
  void test_rebase_sign__passthrough_create_cb(void)
  {
  	git_rebase *rebase;
  	git_reference *branch_ref, *upstream_ref;
  	git_annotated_commit *branch_head, *upstream_head;
  	git_rebase_operation *rebase_operation;
  	git_oid commit_id, expected_id;
  	git_rebase_options rebase_opts = GIT_REBASE_OPTIONS_INIT;
  	git_commit *commit;
  	const char *expected_commit_raw_header = "tree cd99b26250099fc38d30bfaed7797a7275ed3366\n\
  parent f87d14a4a236582a0278a916340a793714256864\n\
  author Edward Thomson <ethomson@edwardthomson.com> 1405625055 -0400\n\
  committer Rebaser <rebaser@rebaser.rb> 1405694510 +0000\n";
  
  	rebase_opts.commit_create_cb = create_cb_passthrough;
  
  	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
  	cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
  
  	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
  	cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
  
  	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &rebase_opts));
  
  	cl_git_pass(git_rebase_next(&rebase_operation, rebase));
  	cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
  
  	git_oid_fromstr(&expected_id, "129183968a65abd6c52da35bff43325001bfc630");
  	cl_assert_equal_oid(&expected_id, &commit_id);
  
  	cl_git_pass(git_commit_lookup(&commit, repo, &commit_id));
  	cl_assert_equal_s(expected_commit_raw_header, git_commit_raw_header(commit));
  
  	cl_git_fail_with(GIT_ITEROVER, git_rebase_next(&rebase_operation, rebase));
  
  	git_reference_free(branch_ref);
  	git_reference_free(upstream_ref);
  	git_annotated_commit_free(branch_head);
  	git_annotated_commit_free(upstream_head);
  	git_commit_free(commit);
  	git_rebase_free(rebase);
  }
  
  static int create_cb_signed_gpg(
  	git_oid *out,
  	const git_signature *author,
  	const git_signature *committer,
  	const char *message_encoding,
  	const char *message,
  	const git_tree *tree,
  	size_t parent_count,
  	const git_commit *parents[],
  	void *payload)
  {
  	git_buf commit_content = GIT_BUF_INIT;
  	const char *gpg_signature = "-----BEGIN PGP SIGNATURE-----\n\
  \n\
  iQIzBAEBCgAdFiEEgVlDEfSlmKn0fvGgK++h5T2/ctIFAlwZcrAACgkQK++h5T2/\n\
  ctIPVhAA42RyZhMdKl5Bm0KtQco2scsukIg2y7tjSwhti91zDu3HQgpusjjo0fQx\n\
  ZzB+OrmlvQ9CDcGpZ0THIzXD8GRJoDMPqdrvZVrBWkGcHvw7/YPA8skzsjkauJ8W\n\
  7lzF5LCuHSS6OUmPT/+5hEHPin5PB3zhfszyC+Q7aujnIuPJMrKiMnUa+w1HWifM\n\
  km49OOygQ9S6NQoVuEQede22+c76DlDL7yFghGoo1f0sKCE/9LW6SEnwI/bWv9eo\n\
  nom5vOPrvQeJiYCQk+2DyWo8RdSxINtY+G9bPE4RXm+6ZgcXECPm9TYDIWpL36fC\n\
  jvtGLs98woWFElOziBMp5Tb630GMcSI+q5ivHfJ3WS5NKLYLHBNK4iSFN0/dgAnB\n\
  dj6GcKXKWnIBWn6ZM4o40pcM5KSRUUCLtA0ZmjJH4c4zx3X5fUxd+enwkf3e9VZO\n\
  fNKC/+xfq6NfoPUPK9+UnchHpJaJw7RG5tZS+sWCz2xpQ1y3/o49xImNyM3wnpvB\n\
  cRAZabqIHpZa9/DIUkELOtCzln6niqkjRgg3M/YCCNznwV+0RNgz87VtyTPerdef\n\
  xrqn0+ROMF6ebVqIs6PPtuPkxnAJu7TMKXVB5rFnAewS24e6cIGFzeIA7810py3l\n\
  cttVRsdOoego+fiy08eFE+aJIeYiINRGhqOBTsuqG4jIdpdKxPE=\n\
  =KbsY\n\
  -----END PGP SIGNATURE-----";
  
  	git_repository *repo = (git_repository *)payload;
  	int error;
  
  	if ((error = git_commit_create_buffer(&commit_content,
  		repo, author, committer, message_encoding, message,
  		tree, parent_count, parents)) < 0)
  		goto done;
  
  	error = git_commit_create_with_signature(out, repo,
  		commit_content.ptr,
  		gpg_signature,
  		NULL);
  
  done:
  	git_buf_dispose(&commit_content);
  	return error;
  }
  
  /* git checkout gravy ; git rebase --merge veal */
  void test_rebase_sign__create_gpg_signed(void)
  {
  	git_rebase *rebase;
  	git_reference *branch_ref, *upstream_ref;
  	git_annotated_commit *branch_head, *upstream_head;
  	git_rebase_operation *rebase_operation;
  	git_oid commit_id, expected_id;
  	git_rebase_options rebase_opts = GIT_REBASE_OPTIONS_INIT;
  	git_commit *commit;
  	const char *expected_commit_raw_header = "tree cd99b26250099fc38d30bfaed7797a7275ed3366\n\
  parent f87d14a4a236582a0278a916340a793714256864\n\
  author Edward Thomson <ethomson@edwardthomson.com> 1405625055 -0400\n\
  committer Rebaser <rebaser@rebaser.rb> 1405694510 +0000\n\
  gpgsig -----BEGIN PGP SIGNATURE-----\n\
   \n\
   iQIzBAEBCgAdFiEEgVlDEfSlmKn0fvGgK++h5T2/ctIFAlwZcrAACgkQK++h5T2/\n\
   ctIPVhAA42RyZhMdKl5Bm0KtQco2scsukIg2y7tjSwhti91zDu3HQgpusjjo0fQx\n\
   ZzB+OrmlvQ9CDcGpZ0THIzXD8GRJoDMPqdrvZVrBWkGcHvw7/YPA8skzsjkauJ8W\n\
   7lzF5LCuHSS6OUmPT/+5hEHPin5PB3zhfszyC+Q7aujnIuPJMrKiMnUa+w1HWifM\n\
   km49OOygQ9S6NQoVuEQede22+c76DlDL7yFghGoo1f0sKCE/9LW6SEnwI/bWv9eo\n\
   nom5vOPrvQeJiYCQk+2DyWo8RdSxINtY+G9bPE4RXm+6ZgcXECPm9TYDIWpL36fC\n\
   jvtGLs98woWFElOziBMp5Tb630GMcSI+q5ivHfJ3WS5NKLYLHBNK4iSFN0/dgAnB\n\
   dj6GcKXKWnIBWn6ZM4o40pcM5KSRUUCLtA0ZmjJH4c4zx3X5fUxd+enwkf3e9VZO\n\
   fNKC/+xfq6NfoPUPK9+UnchHpJaJw7RG5tZS+sWCz2xpQ1y3/o49xImNyM3wnpvB\n\
   cRAZabqIHpZa9/DIUkELOtCzln6niqkjRgg3M/YCCNznwV+0RNgz87VtyTPerdef\n\
   xrqn0+ROMF6ebVqIs6PPtuPkxnAJu7TMKXVB5rFnAewS24e6cIGFzeIA7810py3l\n\
   cttVRsdOoego+fiy08eFE+aJIeYiINRGhqOBTsuqG4jIdpdKxPE=\n\
   =KbsY\n\
   -----END PGP SIGNATURE-----\n";
  
  	rebase_opts.commit_create_cb = create_cb_signed_gpg;
  	rebase_opts.payload = repo;
  
  	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
  	cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
  
  	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
  	cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
  
  	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &rebase_opts));
  
  	cl_git_pass(git_rebase_next(&rebase_operation, rebase));
  	cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
  
  	git_oid_fromstr(&expected_id, "bf78348e45c8286f52b760f1db15cb6da030f2ef");
  	cl_assert_equal_oid(&expected_id, &commit_id);
  
  	cl_git_pass(git_commit_lookup(&commit, repo, &commit_id));
  	cl_assert_equal_s(expected_commit_raw_header, git_commit_raw_header(commit));
  
  	cl_git_fail_with(GIT_ITEROVER, git_rebase_next(&rebase_operation, rebase));
  
  	git_reference_free(branch_ref);
  	git_reference_free(upstream_ref);
  	git_annotated_commit_free(branch_head);
  	git_annotated_commit_free(upstream_head);
  	git_commit_free(commit);
  	git_rebase_free(rebase);
  }
  
  static int create_cb_error(
  	git_oid *out,
  	const git_signature *author,
  	const git_signature *committer,
  	const char *message_encoding,
  	const char *message,
  	const git_tree *tree,
  	size_t parent_count,
  	const git_commit *parents[],
  	void *payload)
  {
  	GIT_UNUSED(out);
  	GIT_UNUSED(author);
  	GIT_UNUSED(committer);
  	GIT_UNUSED(message_encoding);
  	GIT_UNUSED(message);
  	GIT_UNUSED(tree);
  	GIT_UNUSED(parent_count);
  	GIT_UNUSED(parents);
  	GIT_UNUSED(payload);
  
  	return GIT_EUSER;
  }
  
  /* git checkout gravy ; git rebase --merge veal */
  void test_rebase_sign__create_propagates_error(void)
  {
  	git_rebase *rebase;
  	git_reference *branch_ref, *upstream_ref;
  	git_annotated_commit *branch_head, *upstream_head;
  	git_oid commit_id;
  	git_rebase_operation *rebase_operation;
  	git_rebase_options rebase_opts = GIT_REBASE_OPTIONS_INIT;
  
  	rebase_opts.commit_create_cb = create_cb_error;
  
  	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
  	cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
  
  	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
  	cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
  
  	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &rebase_opts));
  
  	cl_git_pass(git_rebase_next(&rebase_operation, rebase));
  	cl_git_fail_with(GIT_EUSER, git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
  
  	git_reference_free(branch_ref);
  	git_reference_free(upstream_ref);
  	git_annotated_commit_free(branch_head);
  	git_annotated_commit_free(upstream_head);
  	git_rebase_free(rebase);
  }
  
  #ifndef GIT_DEPRECATE_HARD
  static const char *expected_commit_content = "\
  tree cd99b26250099fc38d30bfaed7797a7275ed3366\n\
  parent f87d14a4a236582a0278a916340a793714256864\n\
  author Edward Thomson <ethomson@edwardthomson.com> 1405625055 -0400\n\
  committer Rebaser <rebaser@rebaser.rb> 1405694510 +0000\n\
  \n\
  Modification 3 to gravy\n";
  
  int signing_cb_passthrough(
  	git_buf *signature,
  	git_buf *signature_field,
  	const char *commit_content,
  	void *payload)
  {
  	cl_assert_equal_i(0, signature->size);
  	cl_assert_equal_i(0, signature_field->size);
  	cl_assert_equal_s(expected_commit_content, commit_content);
  	cl_assert_equal_p(NULL, payload);
  	return GIT_PASSTHROUGH;
  }
  #endif /* !GIT_DEPRECATE_HARD */
  
  /* git checkout gravy ; git rebase --merge veal */
  void test_rebase_sign__passthrough_signing_cb(void)
  {
  #ifndef GIT_DEPRECATE_HARD
  	git_rebase *rebase;
  	git_reference *branch_ref, *upstream_ref;
  	git_annotated_commit *branch_head, *upstream_head;
  	git_rebase_operation *rebase_operation;
  	git_oid commit_id, expected_id;
  	git_rebase_options rebase_opts = GIT_REBASE_OPTIONS_INIT;
  	git_commit *commit;
  	const char *expected_commit_raw_header = "tree cd99b26250099fc38d30bfaed7797a7275ed3366\n\
  parent f87d14a4a236582a0278a916340a793714256864\n\
  author Edward Thomson <ethomson@edwardthomson.com> 1405625055 -0400\n\
  committer Rebaser <rebaser@rebaser.rb> 1405694510 +0000\n";
  
  	rebase_opts.signing_cb = signing_cb_passthrough;
  
  	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
  	cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
  
  	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
  	cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
  
  	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &rebase_opts));
  
  	cl_git_pass(git_rebase_next(&rebase_operation, rebase));
  	cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
  
  	git_oid_fromstr(&expected_id, "129183968a65abd6c52da35bff43325001bfc630");
  	cl_assert_equal_oid(&expected_id, &commit_id);
  
  	cl_git_pass(git_commit_lookup(&commit, repo, &commit_id));
  	cl_assert_equal_s(expected_commit_raw_header, git_commit_raw_header(commit));
  
  	cl_git_fail_with(GIT_ITEROVER, git_rebase_next(&rebase_operation, rebase));
  
  	git_reference_free(branch_ref);
  	git_reference_free(upstream_ref);
  	git_annotated_commit_free(branch_head);
  	git_annotated_commit_free(upstream_head);
  	git_commit_free(commit);
  	git_rebase_free(rebase);
  #endif /* !GIT_DEPRECATE_HARD */
  }
  
  #ifndef GIT_DEPRECATE_HARD
  int signing_cb_gpg(
  	git_buf *signature,
  	git_buf *signature_field,
  	const char *commit_content,
  	void *payload)
  {
  	const char *gpg_signature = "\
  -----BEGIN PGP SIGNATURE-----\n\
  \n\
  iQIzBAEBCgAdFiEEgVlDEfSlmKn0fvGgK++h5T2/ctIFAlwZcrAACgkQK++h5T2/\n\
  ctIPVhAA42RyZhMdKl5Bm0KtQco2scsukIg2y7tjSwhti91zDu3HQgpusjjo0fQx\n\
  ZzB+OrmlvQ9CDcGpZ0THIzXD8GRJoDMPqdrvZVrBWkGcHvw7/YPA8skzsjkauJ8W\n\
  7lzF5LCuHSS6OUmPT/+5hEHPin5PB3zhfszyC+Q7aujnIuPJMrKiMnUa+w1HWifM\n\
  km49OOygQ9S6NQoVuEQede22+c76DlDL7yFghGoo1f0sKCE/9LW6SEnwI/bWv9eo\n\
  nom5vOPrvQeJiYCQk+2DyWo8RdSxINtY+G9bPE4RXm+6ZgcXECPm9TYDIWpL36fC\n\
  jvtGLs98woWFElOziBMp5Tb630GMcSI+q5ivHfJ3WS5NKLYLHBNK4iSFN0/dgAnB\n\
  dj6GcKXKWnIBWn6ZM4o40pcM5KSRUUCLtA0ZmjJH4c4zx3X5fUxd+enwkf3e9VZO\n\
  fNKC/+xfq6NfoPUPK9+UnchHpJaJw7RG5tZS+sWCz2xpQ1y3/o49xImNyM3wnpvB\n\
  cRAZabqIHpZa9/DIUkELOtCzln6niqkjRgg3M/YCCNznwV+0RNgz87VtyTPerdef\n\
  xrqn0+ROMF6ebVqIs6PPtuPkxnAJu7TMKXVB5rFnAewS24e6cIGFzeIA7810py3l\n\
  cttVRsdOoego+fiy08eFE+aJIeYiINRGhqOBTsuqG4jIdpdKxPE=\n\
  =KbsY\n\
  -----END PGP SIGNATURE-----";
  
  	cl_assert_equal_i(0, signature->size);
  	cl_assert_equal_i(0, signature_field->size);
  	cl_assert_equal_s(expected_commit_content, commit_content);
  	cl_assert_equal_p(NULL, payload);
  
  	cl_git_pass(git_buf_set(signature, gpg_signature, strlen(gpg_signature) + 1));
  	return GIT_OK;
  }
  #endif /* !GIT_DEPRECATE_HARD */
  
  /* git checkout gravy ; git rebase --merge veal */
  void test_rebase_sign__gpg_with_no_field(void)
  {
  #ifndef GIT_DEPRECATE_HARD
  	git_rebase *rebase;
  	git_reference *branch_ref, *upstream_ref;
  	git_annotated_commit *branch_head, *upstream_head;
  	git_rebase_operation *rebase_operation;
  	git_oid commit_id, expected_id;
  	git_rebase_options rebase_opts = GIT_REBASE_OPTIONS_INIT;
  	git_commit *commit;
  	const char *expected_commit_raw_header = "\
  tree cd99b26250099fc38d30bfaed7797a7275ed3366\n\
  parent f87d14a4a236582a0278a916340a793714256864\n\
  author Edward Thomson <ethomson@edwardthomson.com> 1405625055 -0400\n\
  committer Rebaser <rebaser@rebaser.rb> 1405694510 +0000\n\
  gpgsig -----BEGIN PGP SIGNATURE-----\n\
   \n\
   iQIzBAEBCgAdFiEEgVlDEfSlmKn0fvGgK++h5T2/ctIFAlwZcrAACgkQK++h5T2/\n\
   ctIPVhAA42RyZhMdKl5Bm0KtQco2scsukIg2y7tjSwhti91zDu3HQgpusjjo0fQx\n\
   ZzB+OrmlvQ9CDcGpZ0THIzXD8GRJoDMPqdrvZVrBWkGcHvw7/YPA8skzsjkauJ8W\n\
   7lzF5LCuHSS6OUmPT/+5hEHPin5PB3zhfszyC+Q7aujnIuPJMrKiMnUa+w1HWifM\n\
   km49OOygQ9S6NQoVuEQede22+c76DlDL7yFghGoo1f0sKCE/9LW6SEnwI/bWv9eo\n\
   nom5vOPrvQeJiYCQk+2DyWo8RdSxINtY+G9bPE4RXm+6ZgcXECPm9TYDIWpL36fC\n\
   jvtGLs98woWFElOziBMp5Tb630GMcSI+q5ivHfJ3WS5NKLYLHBNK4iSFN0/dgAnB\n\
   dj6GcKXKWnIBWn6ZM4o40pcM5KSRUUCLtA0ZmjJH4c4zx3X5fUxd+enwkf3e9VZO\n\
   fNKC/+xfq6NfoPUPK9+UnchHpJaJw7RG5tZS+sWCz2xpQ1y3/o49xImNyM3wnpvB\n\
   cRAZabqIHpZa9/DIUkELOtCzln6niqkjRgg3M/YCCNznwV+0RNgz87VtyTPerdef\n\
   xrqn0+ROMF6ebVqIs6PPtuPkxnAJu7TMKXVB5rFnAewS24e6cIGFzeIA7810py3l\n\
   cttVRsdOoego+fiy08eFE+aJIeYiINRGhqOBTsuqG4jIdpdKxPE=\n\
   =KbsY\n\
   -----END PGP SIGNATURE-----\n";
  
  	rebase_opts.signing_cb = signing_cb_gpg;
  
  	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
  	cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
  
  	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
  	cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
  
  	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &rebase_opts));
  
  	cl_git_pass(git_rebase_next(&rebase_operation, rebase));
  	cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
  
  	git_oid_fromstr(&expected_id, "bf78348e45c8286f52b760f1db15cb6da030f2ef");
  	cl_assert_equal_oid(&expected_id, &commit_id);
  
  	cl_git_pass(git_commit_lookup(&commit, repo, &commit_id));
  	cl_assert_equal_s(expected_commit_raw_header, git_commit_raw_header(commit));
  
  	cl_git_fail_with(GIT_ITEROVER, git_rebase_next(&rebase_operation, rebase));
  
  	git_reference_free(branch_ref);
  	git_reference_free(upstream_ref);
  	git_annotated_commit_free(branch_head);
  	git_annotated_commit_free(upstream_head);
  	git_commit_free(commit);
  	git_rebase_free(rebase);
  #endif /* !GIT_DEPRECATE_HARD */
  }
  
  
  #ifndef GIT_DEPRECATE_HARD
  int signing_cb_magic_field(
  	git_buf *signature,
  	git_buf *signature_field,
  	const char *commit_content,
  	void *payload)
  {
  	const char *signature_content = "magic word: pretty please";
  	const char *signature_field_content = "magicsig";
  
  	cl_assert_equal_p(NULL, signature->ptr);
  	cl_assert_equal_i(0, signature->size);
  	cl_assert_equal_p(NULL, signature_field->ptr);
  	cl_assert_equal_i(0, signature_field->size);
  	cl_assert_equal_s(expected_commit_content, commit_content);
  	cl_assert_equal_p(NULL, payload);
  
  	cl_git_pass(git_buf_set(signature, signature_content,
  		strlen(signature_content) + 1));
  	cl_git_pass(git_buf_set(signature_field, signature_field_content,
  		strlen(signature_field_content) + 1));
  
  	return GIT_OK;
  }
  #endif /* !GIT_DEPRECATE_HARD */
  
  /* git checkout gravy ; git rebase --merge veal */
  void test_rebase_sign__custom_signature_field(void)
  {
  #ifndef GIT_DEPRECATE_HARD
  	git_rebase *rebase;
  	git_reference *branch_ref, *upstream_ref;
  	git_annotated_commit *branch_head, *upstream_head;
  	git_rebase_operation *rebase_operation;
  	git_oid commit_id, expected_id;
  	git_rebase_options rebase_opts = GIT_REBASE_OPTIONS_INIT;
  	git_commit *commit;
  	const char *expected_commit_raw_header = "\
  tree cd99b26250099fc38d30bfaed7797a7275ed3366\n\
  parent f87d14a4a236582a0278a916340a793714256864\n\
  author Edward Thomson <ethomson@edwardthomson.com> 1405625055 -0400\n\
  committer Rebaser <rebaser@rebaser.rb> 1405694510 +0000\n\
  magicsig magic word: pretty please\n";
  
  	rebase_opts.signing_cb = signing_cb_magic_field;
  
  	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
  	cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
  
  	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
  	cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
  
  	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &rebase_opts));
  
  	cl_git_pass(git_rebase_next(&rebase_operation, rebase));
  	cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
  
  	git_oid_fromstr(&expected_id, "f46a4a8d26ae411b02aa61b7d69576627f4a1e1c");
  	cl_assert_equal_oid(&expected_id, &commit_id);
  
  	cl_git_pass(git_commit_lookup(&commit, repo, &commit_id));
  	cl_assert_equal_s(expected_commit_raw_header, git_commit_raw_header(commit));
  
  	cl_git_fail_with(GIT_ITEROVER, git_rebase_next(&rebase_operation, rebase));
  
  	git_reference_free(branch_ref);
  	git_reference_free(upstream_ref);
  	git_annotated_commit_free(branch_head);
  	git_annotated_commit_free(upstream_head);
  	git_commit_free(commit);
  	git_rebase_free(rebase);
  #endif /* !GIT_DEPRECATE_HARD */
  }
  

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