start on more verbosity levels

urchin

@@ -318,14 +318,18 @@ report_outcome() {
       fi
       echo "# Previous test took ${file_elapsed} seconds."
     else
+      header() {
         if test "${prevdir}" != "${currentdir}"; then
           echo
         fi
         if test "${prevpath}" != "${path}"; then
           printf "$(dirname -- "${path}")/\n> $(basename -- "${path}")\n"
         fi
+      }
       case "${result}" in
         ok)
+          if "${print_ok}"; then
+            header
             # On success, print a green '✓'
             if "${print_in_color}"; then
               printf '\033[32m✓ \033[0m'
@@ -333,8 +337,11 @@ report_outcome() {
               printf '✓ '
             fi
             echo "${the_shell} ("${file_elapsed}" $(plural second $file_elapsed))"
+          fi
         ;;
         not_ok)
+          if "${print_not_ok}"; then
+            header
             # On not_ok, print a red '✗'
             if "${print_in_color}"; then
               printf '\033[31m✗ \033[0m'
@@ -342,13 +349,17 @@ report_outcome() {
               printf '✗ '
             fi
             echo "${the_shell} ("${file_elapsed}" $(plural second $file_elapsed))"
+          fi
         ;;
         skip)
+          if "${print_ok}"; then
+            header
             if test -z "${the_shell}"; then
               echo '  (File is not executable.)'
             else
               echo "  ${the_shell} ("${file_elapsed}" $(plural second $file_elapsed))"
             fi
+          fi
         ;;
       esac
       if { test "${result}" = not_ok && "${print_not_ok_stdout}"; } ||
@@ -427,15 +438,21 @@ The following flags affect how Urchin processes tests.
 -f, --force              Force running even if the test directory's name
                          does not contain the word "test".
 
-These options affect how results are formatted.
+These options affect how results are formatted. Options -q, and -v
+have no effect when combined with --tap. -vv, -vvv, and -vvvv do have
+effect when combined with --tap.
 
 -c, --color              Print results in color.
 -t, --tap                Format output in Test Anything Protocol (TAP)
--v, --verbose            Print stdout from failing tests.
+
--vv                      Print stdout from all tests.
--vvv                     Print debugging messages (XXX not implemented)
 -q, --quiet              Print nothing to stdout; the only output is the
                          exit code (XXX not implemented).
+(default verbosity)      Print names of failed tests and counts of passed,
+                         failed, and skipped tests.
+-v                       Print names of passed tests.
+-vv, --verbose           Print stdout from failing tests.
+-vvv                     Print stdout from all tests.
+-vvvv, --debug           Print debugging messages (XXX not implemented)
 
 The remaining flags provide information about urchin.
 
@@ -475,6 +492,9 @@ main() {
   exit_on_not_ok=false
   tap_format=false
   print_in_color=false
+
+  print_ok=false
+  print_not_ok=true
   print_ok_stdout=false
   print_not_ok_stdout=false
   while [ "${#}" -gt 0 ]