abialian: postgres-restore does not fallback to var/backup

but requires an explicit path.

software/abilian/extranet_spr/instance-postgres.cfg.in

@@ -151,8 +151,11 @@ template = inline:
     #!/bin/bash
     . {{environment}}
     # shut down postgres
-    backup_dir={{backup_dir}}
-    [ -n "$1" ] && backup_dir="$1"
+    if [ ! -d "$1" ]; then
+        echo "Usage: postgres-restore [directory]"
+        exit 10
+    fi
+    backup_dir="$1"
     $${directories:bin}/postgres-stop
     # check that postgres is down or refuse to run
     $${directories:bin}/postgres-status | grep STOPPED || exit 10

software/abilian/extranet_spr/software.cfg

@@ -266,7 +266,7 @@ mode = 0644
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance-postgres.cfg.in
 output = ${buildout:directory}/instance-postgres.cfg
-md5sum = e2bcc3dafdfc5bf331b743952ed98be2
+md5sum = a138dad1b1da2e3f1e6012f4baf69a9d
 mode = 0644
 
 [instance-redis]