Start trimming dump1090-mutability down for use in piaware.

debian/dump1090-fa.postinst

@@ -0,0 +1,70 @@
+#!/bin/bash
+# postinst script for dump1090
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postinst> `configure' <most-recently-configured-version>
+#        * <old-postinst> `abort-upgrade' <new version>
+#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
+#          <new-version>
+#        * <postinst> `abort-remove'
+#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
+#          <failed-install-package> <version> `removing'
+#          <conflicting-package> <version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+NAME=dump1090-fa
+RUNAS=dump1090
+CRONFILE=/etc/cron.d/$NAME
+TEMPLATECRON=/usr/share/$NAME/cron-template
+
+case "$1" in
+    configure)
+        . /usr/share/debconf/confmodule
+
+        if ! getent passwd "$RUNAS" >/dev/null
+        then
+            adduser --system --home /usr/share/$NAME --no-create-home --quiet "$RUNAS"
+        fi
+
+        # create cronjob
+        if ! test -e $CRONFILE; then
+            echo "Creating cronjob in $CRONFILE to periodically update the aircraft database.." >&2
+            MIN=$(($RANDOM % 60))
+            DOM=$(( ($RANDOM % 28) + 1 ))
+            tail -n +4 $TEMPLATECRON | sed -e "s/@USER@/$RUNAS/g" -e "s/@MIN@/$MIN/g" -e "s/@DOM@/$DOM/g" >$CRONFILE
+        fi
+
+        # update the DB
+        echo "Updating aircraft database now.."
+        mkdir -m 0755 -p /var/cache/$NAME
+        chown $RUNAS /var/cache/$NAME
+        su $RUNAS -s /bin/bash -c /usr/share/$NAME/update-aircraft-database.sh || true
+
+        # set up lighttpd
+        echo "Enabling lighttpd integration.." >&2
+        lighty-enable-mod dump1090-fa || true
+        echo "Restarting lighttpd.." >&2
+        invoke-rc.d lighttpd force-reload || true
+    ;;
+
+    abort-upgrade|abort-remove|abort-deconfigure)
+    ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+if [ "$1" = "configure" ]; then db_stop; fi
+exit 0