Update TFKit to version v0.0.7

utils/tfkit/include/harness.sh

 #!/bin/bash
-# ffoo test harness
+# tfkit - Shellfu's movable test framework
 # See LICENSE file for copyright and license details.
 
 . "$TF_DIR/include/common.sh"

utils/tfkit/include/tools.sh

     # Run a simple test for a unix filter
     #
     #     tf_testflt -n foo [-i foo.stdin] \
-    #                [-O ffoo.stdout] [-E ffoo.stderr] [-S 3] \
+    #                [-O foo.stdout] [-E foo.stderr] [-S 3] \
     #                cmd arg...
     #
     # Will drop *result/NAME.stdout* and *result/NAME.stderr* (intentionally
     local o_es="0"              # oralce: exit status
     local r_out r_err r_es      # result: ^ ^ ^ those 3
 
+    local diff=diff
+    type colordiff >/dev/null 2>/dev/null && diff=colordiff
+
     # get args
     #
     local orig_args="$0 $*"
     # eval/report/exit
     #
     test $r_es = $o_es || { tf_warn "bad exit status: $r_es (need $o_es)" ; t_es=$TF_ES_FAIL; }
-    diff -u "$o_err" "$r_err" || t_es=$TF_ES_FAIL
-    diff -u "$o_out" "$r_out" || t_es=$TF_ES_FAIL
+    $diff -u "$o_err" "$r_err" || t_es=$TF_ES_FAIL
+    $diff -u "$o_out" "$r_out" || t_es=$TF_ES_FAIL
     return $t_es
 }

utils/tfkit/runtests

 #!/bin/bash
-# ffoo test framework
+# tfkit - Shellfu's movable test framework
 # See LICENSE file for copyright and license details.
 
-TF_VERSION="0.0.5"
+TF_VERSION="0.0.7"
 
 die() {
     echo "$@" && exit 9