Noorul Islam K M <noo...@collab.net> writes:

> This patch is a followup of the following thread. All tests pass with
> this patch.
>
> http://svn.haxx.se/dev/archive-2011-01/0210.shtml
>
> Log
>
> [[[
>
> Make svn 'cat' command to return 1 when one or more targets fails. Also
> print error message at the end. This also fixes issue #3713.
>
> * subversion/svn/cat-cmd.c
>   (svn_cl__cat): Pass SVN_ERR_FS_NOT_FOUND to svn_cl__try in order to
>     catch this error when processing non existent URL targets, print
>     warning and proceed with other targets. Print error message at the
>     end if operation fails on any one of the targets and return 1.
>
> * subversion/tests/cmdline/cat_tests.py
>   (cat_local_directory, cat_nonexistent_file, cat_skip_uncattable,
>    cat_unversioned_file, cat_url_special_characters):
>      Update return code and use regular expressions to match output.
>   (cat_non_existing_remote_file): New test
>
> Patch by: Noorul Islam K M <noorul{_AT_}collab.net>
>
> ]]]
>
> Thanks and Regards
> Noorul
>
> Index: subversion/tests/cmdline/cat_tests.py
> ===================================================================
> --- subversion/tests/cmdline/cat_tests.py     (revision 1060693)
> +++ subversion/tests/cmdline/cat_tests.py     (working copy)
> @@ -25,7 +25,7 @@
>  ######################################################################
>  
>  # General modules
> -import os
> +import os, re
>  
>  # Our testing module
>  import svntest
> @@ -50,20 +50,23 @@
>    sbox.build(read_only = True)
>  
>    A_path = os.path.join(sbox.wc_dir, 'A')
> +  expected_err = "svn: warning: '" + os.path.abspath(A_path) + "'" + \
> +                 " refers to a directory\n.*"
>  
> -  svntest.actions.run_and_verify_svn2('No error where one is expected',
> -                                      None, svntest.verify.AnyOutput,
> -                                      0, 'cat', A_path)
> +  svntest.actions.run_and_verify_svn2(None, None, expected_err,
> +                                      1, 'cat', A_path)
>  
>  def cat_remote_directory(sbox):
>    "cat a remote directory"
>    sbox.build(create_wc = False, read_only = True)
>  
>    A_url = sbox.repo_url + '/A'
> -  svntest.actions.run_and_verify_svn2('No error where one is expected',
> -                                      None, svntest.verify.AnyOutput,
> -                                      0, 'cat', A_url)
> +  expected_err = "svn: warning: URL '" + A_url + "'" + \
> +                 " refers to a directory\n.*"
>  
> +  svntest.actions.run_and_verify_svn2(None, None, expected_err,
> +                                      1, 'cat', A_url)
> +
>  def cat_base(sbox):
>    "cat a file at revision BASE"
>    sbox.build(read_only = True)
> @@ -88,10 +91,13 @@
>    wc_dir = sbox.wc_dir
>  
>    bogus_path = os.path.join(wc_dir, 'A', 'bogus')
> -  svntest.actions.run_and_verify_svn2('No error where one is expected',
> -                                      None, svntest.verify.AnyOutput,
> -                                      0, 'cat', bogus_path)
>  
> +  expected_err = "svn: warning: '" + os.path.abspath(bogus_path) + "'" + \
> +                 " is not under version control\n.*"
> +
> +  svntest.actions.run_and_verify_svn2(None, None, expected_err, 1,
> +                                      'cat', bogus_path)
> +
>  def cat_skip_uncattable(sbox):
>    "cat should skip uncattable resources"
>    sbox.build(read_only = True)
> @@ -113,14 +119,14 @@
>        continue
>      item_to_cat = os.path.join(dir_path, file)
>      if item_to_cat == new_file_path:
> -      expected_err = ["svn: warning: '" + os.path.abspath(item_to_cat) + "'" 
> + \
> -                     " is not under version control\n"]
> -      svntest.actions.run_and_verify_svn2(None, None, expected_err, 0,
> +      expected_err = "svn: warning: '" + os.path.abspath(item_to_cat) + "'" 
> + \
> +                     " is not under version control\n.*"
> +      svntest.actions.run_and_verify_svn2(None, None, expected_err, 1,
>                                            'cat', item_to_cat)
>      elif os.path.isdir(item_to_cat):
> -      expected_err = ["svn: warning: '" + os.path.abspath(item_to_cat) + "'" 
> + \
> -                     " refers to a directory\n"]
> -      svntest.actions.run_and_verify_svn2(None, None, expected_err, 0,
> +      expected_err = "svn: warning: '" + os.path.abspath(item_to_cat) + "'" 
> + \
> +                     " refers to a directory\n.*"
> +      svntest.actions.run_and_verify_svn2(None, None, expected_err, 1,
>                                            'cat', item_to_cat)
>      else:
>        svntest.actions.run_and_verify_svn(None,
> @@ -130,22 +136,33 @@
>    G_path = os.path.join(dir_path, 'G')
>    rho_path = os.path.join(G_path, 'rho')
>  
> -  expected_out = ["This is the file 'rho'.\n"]
> -  expected_err1 = ["svn: warning: '" + os.path.abspath(G_path) + "'"
> -                   + " refers to a directory\n"]
> -  svntest.actions.run_and_verify_svn2(None, expected_out, expected_err1, 0,
> +  expected_out = "This is the file 'rho'.\n"
> +  expected_err1 = "svn: warning: '" + os.path.abspath(G_path) + "'" + \
> +                  " refers to a directory\n"
> +  svntest.actions.run_and_verify_svn2(None, expected_out, expected_err1, 1,
>                                        'cat', rho_path, G_path)
>  
> -  expected_err2 = ["svn: warning: '" + os.path.abspath(new_file_path) + "'"
> -                   + " is not under version control\n"]
> -  svntest.actions.run_and_verify_svn2(None, expected_out, expected_err2, 0,
> +  expected_err2 = "svn: warning: '" + os.path.abspath(new_file_path) + "'" + 
> \
> +                  " is not under version control\n"
> +  svntest.actions.run_and_verify_svn2(None, expected_out, expected_err2, 1,
>                                        'cat', rho_path, new_file_path)
>  
> -  svntest.actions.run_and_verify_svn2(None, expected_out,
> -                                      expected_err1 + expected_err2, 0,
> -                                      'cat', rho_path, G_path, new_file_path)
> +  expected_err3 = expected_err1 + expected_err2 + ".*\n" + \
> +                  "svn: A problem occurred; see other errors for details\n"
> +  expected_err_re = re.compile(expected_err3)
>  
> +  exit_code, output, error = svntest.main.run_svn(1, 'cat', rho_path, 
> G_path, new_file_path)
>  
> +  # Verify output
> +  if output[0] != expected_out:
> +    raise svntest.Failure('Cat failed: expected "%s", but received "%s"' % \
> +                          (expected_out, "".join(output)))
> +
> +  # Verify error
> +  if not expected_err_re.match("".join(error)):
> +    raise svntest.Failure('Cat failed: expected error "%s", but received 
> "%s"' % \
> +                          (expected_err3, "".join(error)))
> +
>  # Test for issue #3560 'svn_wc_status3() returns incorrect status for
>  # unversioned files'.
>  def cat_unversioned_file(sbox):
> @@ -162,15 +179,15 @@
>                                        iota_path)
>  
>    # Now try to cat the deleted file, it should be reported as unversioned.
> -  expected_error = ["svn: warning: '" + os.path.abspath(iota_path) + "'"
> -                    + " is not under version control\n"]
> -  svntest.actions.run_and_verify_svn2(None, [], expected_error, 0,
> +  expected_error = "svn: warning: '" + os.path.abspath(iota_path) + "'" + \
> +                   " is not under version control\n.*"
> +  svntest.actions.run_and_verify_svn2(None, [], expected_error, 1,
>                                        'cat', iota_path)
>  
>    # Put an unversioned file at 'iota' and try to cat it again, the result
>    # should still be the same.
>    svntest.main.file_write(iota_path, "This the unversioned file 'iota'.\n")
> -  svntest.actions.run_and_verify_svn2(None, [], expected_error, 0,
> +  svntest.actions.run_and_verify_svn2(None, [], expected_error, 1,
>                                        'cat', iota_path)
>  
>  
> @@ -204,13 +221,25 @@
>    special_urls = [sbox.repo_url + '/A' + '/%2E',
>                    sbox.repo_url + '%2F' + 'A']
>  
> -  expected_err = ["svn: warning: URL '" + sbox.repo_url + '/A'  + "'"
> -                   + " refers to a directory\n"]
> +  expected_err = "svn: warning: URL '" + sbox.repo_url + '/A'  + "'" + \
> +                 " refers to a directory\n.*"
>  
>    for url in special_urls:
> -    svntest.actions.run_and_verify_svn2(None, None, expected_err, 0,
> +    svntest.actions.run_and_verify_svn2(None, None, expected_err, 1,
>                                          'cat', url)
>  
> +def cat_non_existing_remote_file(sbox):
> +  """cat non exising remote file"""
> +  sbox.build(create_wc = False)
> +  non_existing_path = sbox.repo_url + '/non-existing'
> +  
> +  expected_err = "svn: warning: File not found.*" + \
> +                 non_existing_path.split('/')[1]
> +
> +  # cat operation on non-existing remote path should return 1
> +  svntest.actions.run_and_verify_svn2(None, None, expected_err, 1,
> +                                      'cat', non_existing_path)
> +
>  ########################################################################
>  # Run the tests
>  
> @@ -225,6 +254,7 @@
>                cat_unversioned_file,
>                cat_keywords,
>                cat_url_special_characters,
> +              cat_non_existing_remote_file,
>               ]
>  
>  if __name__ == '__main__':
> Index: subversion/svn/cat-cmd.c
> ===================================================================
> --- subversion/svn/cat-cmd.c  (revision 1060693)
> +++ subversion/svn/cat-cmd.c  (working copy)
> @@ -47,6 +47,7 @@
>    int i;
>    svn_stream_t *out;
>    apr_pool_t *subpool = svn_pool_create(pool);
> +  svn_boolean_t saw_a_problem = FALSE;
>  
>    SVN_ERR(svn_cl__args_to_target_array_print_reserved(&targets, os,
>                                                        opt_state->targets,
> @@ -63,6 +64,7 @@
>        const char *target = APR_ARRAY_IDX(targets, i, const char *);
>        const char *truepath;
>        svn_opt_revision_t peg_revision;
> +      svn_boolean_t success;
>  
>        svn_pool_clear(subpool);
>        SVN_ERR(svn_cl__check_cancel(ctx->cancel_baton));
> @@ -74,13 +76,19 @@
>        SVN_ERR(svn_cl__try(svn_client_cat2(out, truepath, &peg_revision,
>                                            &(opt_state->start_revision),
>                                            ctx, subpool),
> -                           NULL, opt_state->quiet,
> +                           &success, opt_state->quiet,
>                             SVN_ERR_UNVERSIONED_RESOURCE,
>                             SVN_ERR_ENTRY_NOT_FOUND,
>                             SVN_ERR_CLIENT_IS_DIRECTORY,
> +                           SVN_ERR_FS_NOT_FOUND,
>                             SVN_NO_ERROR));
> +      if (! success)
> +        saw_a_problem = TRUE;
>      }
>    svn_pool_destroy(subpool);
>  
> -  return SVN_NO_ERROR;
> +  if (saw_a_problem)
> +    return svn_error_create(SVN_ERR_BASE, NULL, NULL);
> +  else
> +    return SVN_NO_ERROR;
>  }

It will be great if someone could review this so that I can proceed with
other commands. 

Thanks and Regards
Noorul

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