Better error message when psql is not there for database_exists

YunoHost · May 16, 2020 · bd9feb7 · bd9feb7
1 parent ba709be
commit bd9feb7
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/data/helpers.d/postgresql b/data/helpers.d/postgresql
@@ -187,7 +187,12 @@ ynh_psql_database_exists() {
     # Manage arguments with getopts
     ynh_handle_getopts_args "$@"
 
-    if ! sudo --login --user=postgres PGUSER="postgres" PGPASSWORD="$(cat $PSQL_ROOT_PWD_FILE)" psql -tAc "SELECT datname FROM pg_database WHERE datname='$database';" | grep --quiet "$database"
+    # if postgres user doesn't exist, we consider the db does not as well
+    # (though strictly speaking it could in an old cluster)
+    if ! command -v psql
+    then
+      ynh_die --message="PostgreSQL is not installed, impossible to check for db existence"
+    elif ! sudo --login --user=postgres PGUSER="postgres" PGPASSWORD="$(cat $PSQL_ROOT_PWD_FILE)" psql -tAc "SELECT datname FROM pg_database WHERE datname='$database';" | grep --quiet "$database"
     then
         return 1
     else