Add loxecute feature

bin/loxecute

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+catch() {
+  {
+    IFS=$'\n' read -r -d '' "${1}";
+    IFS=$'\n' read -r -d '' "${2}";
+    (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+  } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+# " This line fixes my syntax highlighting 
+
+# Only log rails generator commands (for now)
+should_log() {
+  cmd=$(basename ${1})
+  if [ "${cmd}" == "rails" ];then
+    case ${2} in
+      g | generate | d | delete)
+        echo 0
+      ;;
+      *)
+        echo 1
+      ;;
+    esac
+  else
+    echo 1
+  fi
+}
+
+# Execute catching output and error seperately
+catch output errors "$@"
+exit_code=$?
+
+# Show the command's output
+cat <<< ${output}
+
+if [ ${exit_code} -eq 0 ] && [ -z "${errors}" ];then
+  # Was the command interesting?
+  log_it=$(should_log $@)
+  if [ ${log_it} -eq 0 ]; then
+    # Log date, command and output
+    comment="# $(date)"
+    msg="$@"
+    printf "${comment}\n${msg}\n" >> /app/config/generation.sh
+    cat <<< "${output}" | sed -e 's/^#*/# /' >> /app/config/generation.sh
+  fi
+else
+  # Show the error.
+  # TODO: Ask user if the command should be stored anyways
+  echo "The command exited with \"${exit_code}\" wrote the following to STDERR:"
+  cat <<< "${errors}"
+fi
+

bin/railsn

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+exec loxecute rails "$@"