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 ls' continue processing targets after printing warning if one
or more of the targets is a non-existent URL or wc-entry. Also return a
non-zero error code and print an error message at the end in those
situations.

* subversion/svn/list-cmd.c
  (svn_cl__list): If one of the targets is a non-existent URL or
    wc-entry, don't bail out.  Just warn and move on to the next
    target. Also return a non-zero error code and print an error message
    at the end in those situations.

* subversion/tests/cmdline/basic_tests.py
  (ls_non_existent_wc_target, ls_non_existent_url_target, 
   ls_multiple_wc_targets, ls_multiple_url_targets): New tests.
  (test_list): Add reference to new tests.

Patch by: Noorul Islam K M <noorul{_AT_}collab.net>
]]]

Index: subversion/tests/cmdline/basic_tests.py
===================================================================
--- subversion/tests/cmdline/basic_tests.py     (revision 1069209)
+++ subversion/tests/cmdline/basic_tests.py     (working copy)
@@ -2690,6 +2690,84 @@
                                        [], 'ls',
                                        url)
 
+def ls_non_existent_wc_target(sbox):
+  "ls a non-existent wc target"
+
+  sbox.build()
+  wc_dir = sbox.wc_dir
+
+  non_existent_path = os.path.join(wc_dir, 'non-existent')
+  expected_err = "svn: warning: W155010: The node '" + \
+      os.path.abspath(non_existent_path) + "' was not found"
+
+  svntest.actions.run_and_verify_svn2(None, None, expected_err,
+                                      1, 'ls', non_existent_path)
+
+def ls_non_existent_url_target(sbox):
+  "ls a non-existent url target"
+
+  sbox.build()
+
+  non_existent_url = sbox.repo_url + '/non-existent'
+  expected_err = "svn: warning: W160013: .*"
+
+  svntest.actions.run_and_verify_svn2(None, None, expected_err,
+                                      1, 'ls', non_existent_url)
+
+def ls_multiple_wc_targets(sbox):
+  "ls multiple wc targets"
+
+  sbox.build()
+  wc_dir = sbox.wc_dir
+
+  alpha = os.path.join(wc_dir, 'A/B/E/alpha')
+  beta = os.path.join(wc_dir, 'A/B/E/beta')
+  non_existent_path = os.path.join(wc_dir, 'non-existent')
+
+  # All targets are existing
+  svntest.actions.run_and_verify_svn2(None, None, [],
+                                      0, 'ls', alpha, beta)
+
+  # One non-existing target
+  expected_err = "svn: warning: W155010: The node '" + \
+      os.path.abspath(non_existent_path) + "' was not found.\n" + \
+      ".*\nsvn: E200000: A problem occurred; see other errors for details\n"
+  expected_err_re = re.compile(expected_err)
+
+  exit_code, output, error = svntest.main.run_svn(1, 'ls', alpha, 
+                                                  non_existent_path, beta)
+
+  # Verify error
+  if not expected_err_re.match("".join(error)):
+    raise svntest.Failure('Cat failed: expected error "%s", but received '
+                          '"%s"' % (expected_err, "".join(error)))
+
+def ls_multiple_url_targets(sbox):
+  "ls multiple url targets"
+
+  sbox.build()
+
+  alpha = sbox.repo_url +  '/A/B/E/alpha'
+  beta = sbox.repo_url +  '/A/B/E/beta'
+  non_existent_url = sbox.repo_url +  '/non-existent'
+
+  # All targets are existing
+  svntest.actions.run_and_verify_svn2(None, None, [],
+                                      0, 'ls', alpha, beta)
+
+  # One non-existing target
+  expected_err = "svn: warning: W160013: .*\n" + \
+      ".*\nsvn: E200000: A problem occurred; see other errors for details\n"
+  expected_err_re = re.compile(expected_err)
+
+  exit_code, output, error = svntest.main.run_svn(1, 'ls', alpha, 
+                                                  non_existent_url, beta)
+
+  # Verify error
+  if not expected_err_re.match("".join(error)):
+    raise svntest.Failure('Cat failed: expected error "%s", but received "%s"' 
% \
+                          (expected_err, "".join(error)))
+
 ########################################################################
 # Run the tests
 
@@ -2751,6 +2829,10 @@
               basic_relocate,
               delete_urls_with_spaces,
               ls_url_special_characters,
+              ls_non_existent_wc_target,
+              ls_non_existent_url_target,
+              ls_multiple_wc_targets,
+              ls_multiple_url_targets,
              ]
 
 if __name__ == '__main__':
Index: subversion/svn/list-cmd.c
===================================================================
--- subversion/svn/list-cmd.c   (revision 1069209)
+++ subversion/svn/list-cmd.c   (working copy)
@@ -215,6 +215,8 @@
   apr_pool_t *subpool = svn_pool_create(pool);
   apr_uint32_t dirent_fields;
   struct print_baton pb;
+  svn_boolean_t saw_a_problem = FALSE;
+  svn_error_t *err;
 
   SVN_ERR(svn_cl__args_to_target_array_print_reserved(&targets, os,
                                                       opt_state->targets,
@@ -280,14 +282,29 @@
           SVN_ERR(svn_cl__error_checked_fputs(sb->data, stdout));
         }
 
-      SVN_ERR(svn_client_list2(truepath, &peg_revision,
-                               &(opt_state->start_revision),
-                               opt_state->depth,
-                               dirent_fields,
-                               (opt_state->xml || opt_state->verbose),
-                               opt_state->xml ? print_dirent_xml : 
print_dirent,
-                               &pb, ctx, subpool));
+      err = svn_client_list2(truepath, &peg_revision,
+                             &(opt_state->start_revision),
+                             opt_state->depth,
+                             dirent_fields,
+                             (opt_state->xml || opt_state->verbose),
+                             opt_state->xml ? print_dirent_xml : print_dirent,
+                             &pb, ctx, subpool);
 
+      if (err)
+        {
+          /* If one of the targets is a non-existent URL or wc-entry,
+             don't bail out.  Just warn and move on to the next target. */
+          if (err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND ||
+              err->apr_err == SVN_ERR_FS_NOT_FOUND)
+              svn_handle_warning2(stderr, err, "svn: ");
+          else
+              return svn_error_return(err);
+
+          svn_error_clear(err);
+          err = NULL;
+          saw_a_problem = TRUE;
+        }
+
       if (opt_state->xml)
         {
           svn_stringbuf_t *sb = svn_stringbuf_create("", pool);
@@ -301,5 +318,8 @@
   if (opt_state->xml && ! opt_state->incremental)
     SVN_ERR(svn_cl__xml_print_footer("lists", pool));
 
-  return SVN_NO_ERROR;
+  if (saw_a_problem)
+    return svn_error_create(SVN_ERR_BASE, NULL, NULL);
+  else
+    return SVN_NO_ERROR;
 }

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