--- a/dev-vcs/kallithea/kallithea-9999.ebuild	Sat Jul 12 23:37:46 2014 +0200
+++ b/dev-vcs/kallithea/kallithea-9999.ebuild	Sun Aug 03 19:24:42 2014 +0200
@@ -24,24 +24,42 @@
 
 RESTRICT_PYTHON_ABIS="3.*"
 
+installBasePath="/opt/kallithea"
+virtualenvActivationPath="bin/activate"
+
 src_compile() {
 	# not really compiling anything
 	
+	realWorkDir=$(pwd)
+	
 	# create new virtual environment
 	virtualenv --no-site-packages dist/v
 	
 	# activate environment
-	source dist/v/bin/activate
+	source "dist/v/${virtualenvActivationPath}"
 	
 	# WORKAROUND:
 	# pylonshq.com is dead, remove from config
 	sed -e 's/\(find_links\s*=\s*http:\/\/www.pylonshq.com\/\)/;\1/' -i setup.cfg
 	
 	# perform automatic installation, includes dependencies
+	echo
+	echo "===> output by Kallithea's setup.py"
 	python setup.py install || die "Automatic installation failed, please check above output."
+	echo "<=== Kallithea's setup.py is done, resuming ebuild code"
+	echo
 	
 	# rewrite virtualenv directory to later installation directory
-	sed -e 's/^\(VIRTUAL_ENV\s*=\s*\).*/\1"\/opt\/kallithea\/"/' -i dist/v/bin/activate
+	oldIFS="${IFS}"
+	IFS="
+	"
+	echo "Searching files that need to have paths replaced when leaving portage sandbox..."
+	dirtyFiles=$(grep -Ri "${realWorkDir}/dist/v" ${realWorkDir}/dist/v | grep -vE '^Binary' | cut -d':' -f1 | sort | uniq)
+	for dirtyFile in ${dirtyFiles}; do
+		echo "    patching ${dirtyFile}"
+		sed -e "s#${realWorkDir}/dist/v#${installBasePath}#" -i "${dirtyFile}"
+	done
+	IFS="${oldIFS}"
 }
 
 src_install() {
@@ -50,14 +68,123 @@
 	
 	# just copy the virtualenv directory to /opt/kallithea
 	dodir /opt
-	cp -aR "${S}/dist/v" "${D}/opt/kallithea"
+	cp -aR "${S}/dist/v" "${D}${installBasePath}"
 }
 
 pkg_postinst() {
+	#               1         2         3         4         5         6         7         8
+	#      12345678901234567890123456789012345678901234567890123456789012345678901234567890
 	einfo "You need to setup Kallithea according to the instructions at:"
 	einfo "    https://pythonhosted.org/Kallithea/setup.html"
 	einfo ""
+	einfo "When doing so, please mind that Kallithea was installed into a Python virtual"
+	einfo "environment that has to be \"activated\" before it can be used. To do so,"
+	einfo "you will have to run a dedicated shell and initialize the environment by running"
+	einfo ""
+	einfo "    source ${D}/dist/v/bin/activate"
+	einfo ""
+	einfo "We can wrap those commands for you if you run:"
+	einfo "    emerge --config =${CATEGORY}/${PF}"
+	einfo ""
 	einfo "Kallithea also provides a way to migrate your database if you"
 	einfo "are coming from RhodeCode. Instructions can be found at:"
 	einfo "https://pythonhosted.org/Kallithea/index.html#converting-from-rhodecode"
 }
+
+my_read_line() {
+	# BASH function 'read' cannot write input back to variable in correct environment
+	# when run by emerge so we have to do *this* instead... great... :/
+	# (at least this works...)
+
+	python -c 'import sys; print(sys.stdin.readline().strip())'
+}
+
+config_menu() {
+	choice=""
+	
+	oldIFS="${IFS}"
+	IFS="
+	"
+	
+	#              1         2         3         4         5         6         7         8
+	#     12345678901234567890123456789012345678901234567890123456789012345678901234567890
+	echo "==============================================================================="
+	echo
+	echo "Your options:"
+	echo
+	echo "  1) create production config from template (paster make-config ...)"
+	echo "  2) edit production config"
+	echo "  3) initialize Kallithea (paster setup-db)"
+	echo "     This will also ask for repository location and create an admin account."
+	echo "  0) quit"
+	echo "     Kallithea should be able to run now, check documentation for more options"
+	echo "     such as setting up a task queue or full text search if you need it."
+	echo
+	
+	while [[ ! "${choice}" =~ ^[0-3]$ ]]; do
+		echo -n "Your choice? "
+		choice=$(my_read_line)
+	done
+	
+	IFS="${oldIFS}"
+	
+	return ${choice}
+}
+
+pkg_config() {
+	#              1         2         3         4         5         6         7         8
+	#     12345678901234567890123456789012345678901234567890123456789012345678901234567890
+	
+	echo "Kallithea setup requires following multiple steps, some of which need to be run"
+	echo "in the correct virtual Python environment. This script helps you running those"
+	echo "commands by wrapping the commands to be run inside the correct virtualenv."
+	echo "You may still want to read the setup instructions while running this script:"
+	echo
+	echo "  https://pythonhosted.org/Kallithea/setup.html"
+	
+	# activate virtualenv
+	cd ${installBasePath} || die "installation is gone? (${installBasePath})"
+	source "${virtualenvActivationPath}" || die "failed to activate virtualenv (${installBasePath}/${virtualenvActivationPath})"
+	
+	while true; do
+		config_menu
+		choice=$?
+		echo
+		
+		case "${choice}" in
+			0) 	break
+				;;
+			
+			1)	mkdir -p "${installBasePath}/etc"
+				cd "${installBasePath}/etc"
+				paster make-config Kallithea production.ini
+				;;
+			
+			2)	iniPath="${installBasePath}/etc/production.ini"
+				
+				if [ ! -e "${iniPath}" ]; then
+					echo "config not found at ${iniPath}; did you follow step 1?"
+					continue
+				fi
+				
+				# terminal and shell need a reset or editor will be screwed up
+				source /etc/profile
+				reset
+				
+				# open editor
+				if [[ "${EDITOR}" != "" ]] && [ -e "${EDITOR}" ]; then
+					${EDITOR} "${iniPath}"
+				else
+					nano -w "${iniPath}"
+				fi
+
+				# we better reset again...
+				source /etc/profile
+				reset
+				;;
+			
+			*)	echo "invalid choice ${choice}"
+				;;
+		esac
+	done
+}