first commit

db-upgrade

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -e
+# source $(dirname $0)/../.include
+
+function add-version() {
+  psql $PSQL_OPTS -c "update database_versions set is_active = false where is_active = true" $DB_NAME
+  psql $PSQL_OPTS -c "insert into database_versions (version, is_active) values ('$1', TRUE)" $DB_NAME
+}
+
+current_version=$(psql $PSQL_OPTS -Atc "select version from database_versions where is_active = true" $DB_NAME)
+
+for f in $(ls -1 migrations/*.sql | sort); do
+  filev=$(basename $f .sql)
+  if [[ $filev > $current_version ]]; then
+    psql $PSQL_OPTS -vON_ERROR_STOP= -1f $f $DB_NAME
+    # No need to check return code because of the 'set -e'
+    add-version $filev
+  fi
+done