ready to begin chapter 9

rex.project/x86_64/components/stage4/cleanup.bash

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+#!/bin/bash
+# desc:
+# stages, builds, installs
+
+# make variables persist in subprocesses for logging function
+set -a
+
+APPNAME="post-stage4-cleanup"
+
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+# the path where logs are written to
+# note: LOGS_ROOT is sourced from environment
+LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
+
+
+# print to stdout, print to log
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+# Tell the user we're alive...
+logprint "Initializing the ${APPNAME} utility..."
+
+logprint "Cleanup of /tmp"
+rm -rf /tmp/*
+assert_zero $?
+
+logprint "Erasing libtool archive files"
+find /usr/lib /usr/libexec -name \*.la -delete
+assert_zero $?
+
+logprint "Deleting temporary toolchain..."
+find /usr -depth -name ${T_TRIPLET}\* | xargs rm -vrf
+assert_zero $?
+
+# TODO better integrate test user lifecycle
+
+logprint "Execution of ${APPNAME} completed."