#!/bin/bash

OVERLAYDIR="/usr/local/test_overlay"
PORTAGEDIR="$(portageq get_repo_path / gentoo)"

# prepare a test overlay
mkdir -p ${OVERLAYDIR}/net-libs/webkit-gtk/files
mkdir ${OVERLAYDIR}/{profiles,metadata}

echo "test" > ${OVERLAYDIR}/profiles/repo_name
echo "masters = gentoo" > ${OVERLAYDIR}/metadata/layout.conf

# Fill it with a valid package
cp ${PORTAGEDIR}/net-libs/webkit-gtk/webkit-gtk-2.10.4-r1.ebuild \
	${OVERLAYDIR}/net-libs/webkit-gtk/webkit-gtk-2.10.0.ebuild
cp ${PORTAGEDIR}/net-libs/webkit-gtk/files/webkit-gtk-2.8.5* \
	${OVERLAYDIR}/net-libs/webkit-gtk/files/

# create the Manifest file (send output to /dev/null)
ebuild ${OVERLAYDIR}/net-libs/webkit-gtk/webkit-gtk-2.10.0.ebuild manifest \
	>/dev/null

# Look at the timestamp of the Manifest file
ls -l ${OVERLAYDIR}/net-libs/webkit-gtk/Manifest
stat -c %y ${OVERLAYDIR}/net-libs/webkit-gtk/Manifest

# wait some minutes
sleep 2m

# Now rename the ebuild
mv -v ${OVERLAYDIR}/net-libs/webkit-gtk/webkit-gtk-2.10.{0,2}.ebuild

# Re-create the Manifest file (send output to /dev/null again)
ebuild ${OVERLAYDIR}/net-libs/webkit-gtk/webkit-gtk-2.10.2.ebuild manifest \
	>/dev/null

# Look at the timestamp of the updated Manifest file
ls -l ${OVERLAYDIR}/net-libs/webkit-gtk/Manifest
stat -c %y ${OVERLAYDIR}/net-libs/webkit-gtk/Manifest

# boom!