add better debian install notes

1 files changed, 14 insertions, 6 deletions

diff --git a/debian/postinst b/debian/postinst
index ff6d28f..0e4f748 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -19,15 +19,23 @@ case "$1" in
                 --gecos "0x0 system user" \
                 ${USERNAME} > ${OUT}
         fi
-        if ! test -r /var/www/hex-zero/db.sqlite || test $( stat -c "%s" /var/www/hex-zero/db.sqlite 2>/dev/null ) -lt 50 ;
-        then
-            echo "Initializing sqlite database for hex-zero"
-            su ${USER} -c 'cd /var/www/hex-zero ; /var/www/hex-zero/hex_zero.py db init' 2>/dev/null || :
-            su ${USER} -c 'cd /var/www/hex-zero ; /var/www/hex-zero/hex_zero.py db upgrade'
-        fi
         chown ${USERNAME}:${USERNAME} \
             ${HOME} ${HOME}/* \
             /var/log/hex-zero /var/log/hex-zero/*log 1>/${OUT} 2>&1 || :
+        if ! test -r /var/www/hex-zero/db.sqlite || test $( stat -c "%s" /var/www/hex-zero/db.sqlite 2>/dev/null ) -lt 50 ;
+        then
+            # detect if short_url exists for the user
+            result="$( su ${USERNAME} -c 'echo "import short_url" | python3 1>/dev/null 2>&1 && echo good || echo bad' )"
+            if test "${result}" = "bad" ;
+            then
+               echo "Please install python3 module short_url for user ${USERNAME}, and re-run \`sudo dpkg-reconfigure hex-zero\` Using the following command would work."
+               echo "   sudo su ${USERNAME} -c 'pip3 install --user short_url'"
+            else
+               echo "Initializing sqlite database for hex-zero"
+               su ${USERNAME} -c 'cd /var/www/hex-zero ; /var/www/hex-zero/hex_zero.py db init' 2>/dev/null || :
+               su ${USERNAME} -c 'cd /var/www/hex-zero ; /var/www/hex-zero/hex_zero.py db upgrade'
+            fi
+        fi
     ;;
 
     abort-upgrade|abort-remove|abort-deconfigure)