From 596f39f17c71a02b2363f2f94eeec35355573fdb Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 29 Jan 2019 20:26:40 +0100
Subject: Generalizing postinst script.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 debian/progress-linux.postinst | 119 ++++++++++++++++++++++-------------------
 1 file changed, 63 insertions(+), 56 deletions(-)

diff --git a/debian/progress-linux.postinst b/debian/progress-linux.postinst
index 59e68c9..b284aac 100755
--- a/debian/progress-linux.postinst
+++ b/debian/progress-linux.postinst
@@ -2,48 +2,51 @@
 
 set -e
 
-Install_apt ()
-{
-	# apt sources
-	echo "Installing /etc/apt/sources.list.d/progress-linux.list ..."
+PROJECT="progress-linux"
+DOMAIN="progress-linux.org"
+PACKAGES="https://deb.progress-linux.org/packages"
 
-cat > /etc/apt/sources.list.d/progress-linux.list << EOF
-# /etc/apt/sources.list.d/progress-linux.list
+Install_apt_sources ()
+{
+cat > "/etc/apt/sources.list.d/${PROJECT}.list" << EOF
+# /etc/apt/sources.list.d/${PROJECT}.list
 
 EOF
+}
 
-	# apt preferences
-	echo "Installing /etc/apt/preferences.d/progress-linux.pref ..."
+Remove_apt_sources ()
+{
+	rm -f "/etc/apt/sources.list.d/${PROJECT}.list"
+}
 
-cat > /etc/apt/preferences.d/progress-linux.pref << EOF
-# /etc/apt/preferences.d/progress-linux.pref
+Install_apt_preferences ()
+{
+cat > "/etc/apt/preferences.d/${PROJECT}.pref" << EOF
+# /etc/apt/preferences.d/${PROJECT}.pref
 EOF
+}
 
-	# apt key
-	echo "Installing /etc/apt/trusted.gpg.d/progress-linux.gpg ..."
-	rm -f /etc/apt/trusted.gpg.d/progress-linux.gpg
-	for KEY in /usr/share/progress-linux/pgp-keys/*archive-key.gpg
-	do
-		cat "${KEY}" >> /etc/apt/trusted.gpg.d/progress-linux.gpg
-	done
+Remove_apt_preferences ()
+{
+	rm -f "/etc/apt/preferences.d/${PROJECT}.pref"
 }
 
-Remove_apt ()
+Install_apt_keys ()
 {
-	# apt sources
-	echo "Removing /etc/apt/sources.list.d/progress-linux.list ..."
-	rm -f /etc/apt/sources.list.d/progress-linux.list
+	rm -f "/etc/apt/trusted.gpg.d/${PROJECT}.gpg"
 
-	# apt preferences
-	echo "Removing /etc/apt/sources.list.d/progress-linux.list ..."
-	rm -f /etc/apt/preferences.d/progress-linux.pref
+	for KEY in "/usr/share/${PROJECT}/pgp-keys"/*archive-key.gpg
+	do
+		cat "${KEY}" >> "/etc/apt/trusted.gpg.d/${PROJECT}.gpg"
+	done
+}
 
-	# apt key
-	echo "Removing /etc/apt/trusted.gpg.d/progress-linux.gpg ..."
-	rm -f /etc/apt/trusted.gpg.d/progress-linux.gpg
+Remove_apt_keys ()
+{
+	rm -f "/etc/apt/trusted.gpg.d/${PROJECT}.gpg"
 }
 
-Configure_apt ()
+Configure_apt_sources ()
 {
 	ARCHIVE="${1}"
 
@@ -57,13 +60,16 @@ Configure_apt ()
 			;;
 	esac
 
-	# apt sources
-	cat >> /etc/apt/sources.list.d/progress-linux.list << EOF
-deb https://deb.progress-linux.org/packages ${ARCHIVE} ${AREAS}
+cat >> "/etc/apt/sources.list.d/${PROJECT}.list" << EOF
+deb ${PACKAGES} ${ARCHIVE} ${AREAS}
 EOF
+}
+
+Configure_apt_preferences ()
+{
+	ARCHIVE="${1}"
 
-	# apt preferences
-	cat >> /etc/apt/preferences.d/progress-linux.pref << EOF
+cat >> "/etc/apt/preferences.d/${PROJECT}.pref" << EOF
 
 Package: *
 Pin: release n=${ARCHIVE}
@@ -71,28 +77,25 @@ Pin-Priority: 999
 EOF
 }
 
-Configure_ssh ()
+Configure_ssh_known_hosts ()
 {
-	KEY="$(cat /usr/share/progress-linux/ssh-keys/ssh.progress-linux.org.pub)"
-
-	echo "Installing /etc/ssh/ssh_known_hosts ..."
+	KEY="$(cat /usr/share/${PROJECT}/ssh-keys/ssh.${DOMAIN}.pub)"
 
 	if [ ! -e "/etc/ssh/ssh_known_hosts" ]
 	then
-		# ssh cert-authority
 		mkdir -p /etc/ssh
 
 cat > "/etc/ssh/ssh_known_hosts" << EOF
 # /etc/ssh/ssh_known_hosts
 
-@cert-authority *.progress-linux.org ${KEY}
+@cert-authority *.${DOMAIN} ${KEY}
 EOF
 
 	else
-		grep -v '^@cert-authority \*.progress-linux.org' /etc/ssh/ssh_known_hosts > /etc/ssh/ssh_known_hosts.tmp
+		grep -v "^@cert-authority \*.${DOMAIN}" /etc/ssh/ssh_known_hosts > /etc/ssh/ssh_known_hosts.tmp
 
 cat >> "/etc/ssh/ssh_known_hosts.tmp" << EOF
-@cert-authority *.progress-linux.org ${KEY}
+@cert-authority *.${DOMAIN} ${KEY}
 EOF
 
 		mv -f /etc/ssh/ssh_known_hosts.tmp /etc/ssh/ssh_known_hosts
@@ -103,30 +106,34 @@ case "${1}" in
 	configure)
 		. /usr/share/debconf/confmodule
 
-		db_get progress-linux/archives
-		ARCHIVES="${RET}" # multiselect w/ empty
+		db_get ${PROJECT}/archives
+		ARCHIVES="$(echo ${RET} | sed -e 's|, | |g')" # multiselect w/ empty
 
-		db_get progress-linux/archive-areas
-		ARCHIVE_AREAS="${RET:-main}" # string w/o empty
+		db_get ${PROJECT}/archive-areas
+		ARCHIVE_AREAS="$(echo ${RET:-main} | sed -e 's|, | |g')" # string w/o empty
 
 		db_stop
 
+		# apt
 		if [ -n "${ARCHIVES}" ]
 		then
-			Install_apt
+			Install_apt_sources
+			Install_apt_preferences
+			Install_apt_keys
+
+			for ARCHIVE in ${ARCHIVES}
+			do
+				Configure_apt_sources ${ARCHIVE}
+				Configure_apt_preferences ${ARCHIVE}
+			done
 		else
-			Remove_apt
+			Remove_apt_sources
+			Remove_apt_preferences
+			Remove_apt_keys
 		fi
 
-		ARCHIVES="$(echo ${ARCHIVES} | sed -e 's|, | |g')"
-		ARCHIVE_AREAS="$(echo ${ARCHIVE_AREAS} | sed -e 's|, | |g')"
-
-		for ARCHIVE in ${ARCHIVES}
-		do
-			Configure_apt ${ARCHIVE}
-		done
-
-		Configure_ssh
+		# openssh-server
+		Configure_ssh_known_hosts
 		;;
 
 	abort-upgrade|abort-remove|abort-deconfigure)
-- 
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