modularity

bin/kiwi-cron

@@ -1,9 +1,5 @@
 #!/bin/sh
 
-# replace crontab
+exec /usr/local/libexec/kiwi-cron/run_cron \
-/usr/local/libexec/kiwi-cron/schedule_dirs \
+  "${@}" \
-  | /usr/local/libexec/kiwi-cron/print_crontab \
+  /usr/local/libexec/kiwi-cron/schedule_dirs
-  | crontab -
-
-# run crond
-exec crond -fd 8

libexec/kiwi-cron/create_schedule

@@ -32,22 +32,22 @@ cs_rand_weekday=$(( (6 + RANDOM % 2) % 7 ))
 cs_rand_month=$(( RANDOM % 2 + 1 ))
 
 case "${cs_units}" in
-minute)
+  minute)
     echo "*${cs_every}" "*" "*" "*" "*" "${cs_command}" 
     ;;
-hour)
+  hour)
     echo "${cs_rand_min}" "*${cs_every}" "*" "*" "*" "${cs_command}" 
     ;;
-day)
+  day)
     echo "${cs_rand_min}" "${cs_rand_hour}" "*${cs_every}" "*" "*" "${cs_command}" 
     ;;
-week)
+  week)
     echo "${cs_rand_min}" "${cs_rand_hour}" "*" "*" "${cs_rand_weekday}" "${cs_command}" 
     ;;
-month)
+  month)
     echo "${cs_rand_min}" "${cs_rand_hour}" "${cs_rand_day}" "*${cs_every}" "*" "${cs_command}" 
     ;;
-year)
+  year)
     echo "${cs_rand_min}" "${cs_rand_hour}" "${cs_rand_day}" "${cs_rand_month}" "*" "${cs_command}" 
     ;;
 esac

libexec/kiwi-cron/run_cron

@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# check for CLI options
+while getopts ':n' rc_optarg; do
+  case "${rc_optarg}" in
+    n)
+      rc_dry_run="yes"
+      ;;
+
+    *)
+      echo "Invalid option: -${OPTARG}."
+      exit 2
+  esac
+done
+
+shift "$(( OPTIND - 1 ))"
+
+# CLI arguments
+rc_executable="${1}"
+
+
+if [ -n "${rc_dry_run}" ]; then
+  # verbose, dry run
+  set -x
+
+  "${rc_executable}" \
+    | /usr/local/libexec/kiwi-cron/print_crontab
+
+  exit 0
+fi
+
+# replace crontab
+"${rc_executable}" \
+  | /usr/local/libexec/kiwi-cron/print_crontab \
+  | crontab -
+
+# hand over to crond
+exec crond -fd 8
+
+exit 0