Implement quick feature

.gitignore

@@ -1,5 +1,6 @@
 .env
 .shellspec-local
+.shellspec-quick.log
 /*.tar.gz
 report
 coverage*

libexec/shellspec-reporter.sh

@@ -23,7 +23,7 @@ exit_status=0 found_focus='' no_examples='' aborted=1 coverage_failed=''
 fail_fast='' fail_fast_count=${SHELLSPEC_FAIL_FAST_COUNT:-} reason=''
 current_example_index=0 example_index=''
 last_example_no='' last_skip_id='' not_enough_examples=''
-field_type='' field_tag='' field_example_no='' field_focused=''
+field_id='' field_type='' field_tag='' field_example_no='' field_focused=''
 field_conditional='' field_skipid='' field_pending='' field_message=''
 
 # shellcheck disable=SC2034
@@ -32,6 +32,8 @@ succeeded_count='' failed_count='' warned_count='' \
 todo_count='' fixed_count='' skipped_count='' suppressed_skipped_count='' \
 profiler_count=0 profiler_line=''
 
+[ -e "$SHELLSPEC_QUICK_FILE" ] && init_quick_data
+
 [ "$SHELLSPEC_GENERATORS" ] && mkdir -p "$SHELLSPEC_REPORTDIR"
 
 load_formatter "$SHELLSPEC_FORMATTER" $SHELLSPEC_GENERATORS
@@ -124,6 +126,13 @@ each_line() {
       if [ "$field_tag" = "skipped" ] && [ -z "$example_index" ]; then
         inc suppressed_skipped_count
       fi
+      if [ -e "$SHELLSPEC_QUICK_FILE" ]; then
+        if [ "$field_fail" ] || [ "$field_tag" = "todo" ]; then
+          pass_quick_data "$field_specfile" "$field_id" no
+        else
+          pass_quick_data "$field_specfile" "$field_id" yes
+        fi
+      fi
       ;;
     end)
       # field_example_count not provided with range or filter
@@ -190,6 +199,21 @@ else
   fi
 fi
 
+if [ -e "$SHELLSPEC_QUICK_FILE" ]; then
+  quick_file="$SHELLSPEC_QUICK_FILE" done=1
+  [ "${aborted}${interrupt}${not_enough_examples}${fail_fast}" ] && done=''
+  [ -e "$quick_file" ] && in_quick_file=$quick_file || in_quick_file=/dev/null
+  quick_file_data=$(filter_quick_file "$done" "$@" < "$in_quick_file")
+  if [ -s "$quick_file" ] && [ ! "$quick_file_data" ]; then
+    info "All examples have been passed. Rerun to prevent regression.$LF"
+  fi
+  puts "$quick_file_data${quick_file_data:+"$LF"}" > "$quick_file"
+fi
+
+if [ ! "$SHELLSPEC_QUICK" ] && is_empty_file "$SHELLSPEC_QUICK_FILE"; then
+  rm "$SHELLSPEC_QUICK_FILE"
+fi
+
 if [ -e "$SHELLSPEC_TMPBASE/$SHELLSPEC_DEPRECATION_LOGFILE" ]; then
   deprecated_count=0
   while IFS= read -r deprecated; do

shellspec

@@ -75,6 +75,8 @@ export SHELLSPEC_DEFECT_REDEFINE=''
 export SHELLSPEC_DEFECT_SHELL_FLAG=''
 export SHELLSPEC_KILL='kill'
 export SHELLSPEC_SHEBANG_MULTIARG=''
+export SHELLSPEC_QUICK=''
+export SHELLSPEC_QUICK_FILE=".shellspec-quick.log"
 
 #shellcheck disable=SC2039
 export SHELLSPEC_HOSTNAME=${HOSTNAME:-localhost}
@@ -156,6 +158,7 @@ Usage: shellspec [options] [files or directories]
                                         [specfiles] randomize the order of specfiles
                                         [examples]  randomize the order of examples (slow)
   -j, --jobs JOBS                     Number of parallel jobs to run (0 jobs means disabled)
+      --[no-]quick                    Run only non-passed examples the last time they ran [default: disabled]
       --[no-]warning-as-failure       Treat warning as failure [default: enabled]
       --dry-run                       Print the formatter output without running any examples
       --keep-tempdir                  Do not cleanup temporary directory [default: disabled]
@@ -272,6 +275,8 @@ parse_options() {
       -j | --jobs) [ "${2:-}" ] || invalid 'Require JOBS.'
         SHELLSPEC_JOBS=$2
         shift ;;
+      --quick) SHELLSPEC_QUICK=1 ;;
+      --no-quick) SHELLSPEC_QUICK='' ;;
       --dry-run) SHELLSPEC_DRYRUN=1 ;;
       --keep-tempdir) SHELLSPEC_KEEP_TEMPDIR=1 ;;
       --focus) SHELLSPEC_FOCUS_FILTER=1 ;;
@@ -454,6 +459,23 @@ case $SHELLSPEC_MODE in (runner | list | translate | syntax-check)
   done
 esac
 
+if [ "$SHELLSPEC_MODE" = "runner" ] && [ "$SHELLSPEC_QUICK" ]; then
+  if [ -e "$SHELLSPEC_QUICK_FILE" ]; then
+    count=$# pattern='' line='' specfile=''
+    match_files_pattern pattern "$@"
+    while read_quickfile line specfile; do
+      ! match_pattern "$specfile" "$pattern" || set -- "$@" "$line"
+    done < "$SHELLSPEC_QUICK_FILE"
+    if [ "$#" -gt "$count" ] && shift "$count"; then
+      info "Run only non-passed examples the last time they ran." >&2
+    fi
+  else
+    if ! ( : > "$SHELLSPEC_QUICK_FILE" ) 2>/dev/null; then
+      warn "Failed to write the quick log for the --quick option."
+    fi
+  fi
+fi
+
 case $SHELLSPEC_MODE in (runner | list)
   if [ "$SHELLSPEC_RANDOM" ] && [ ! "$SHELLSPEC_SEED" ]; then
     random_seed SHELLSPEC_SEED "$SHELLSPEC_UNIXTIME" "$$"