Add script to validate schema changes.

Basic assertions about version updates

servatrice/check_schema_version.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set -e
+
+schema_ver="$(grep 'INSERT INTO cockatrice_schema_version' servatrice/servatrice.sql | sed 's/.*VALUES(//' | sed 's/).*//')"
+
+latest_migration="$(ls -1 servatrice/migrations/ | tail -n1)"
+xtoysql="${latest_migration#servatrice_}"
+xtoy="${xtoysql%.sql}"
+old_ver="$(echo ${xtoy%%_to_*} | bc)"
+new_ver="$(echo ${xtoy##*_to_} | bc)"
+
+if ((old_ver >= new_ver)); then
+    echo "New version $new_ver is not newer than $old_ver"
+    exit 1
+fi
+
+if ((schema_ver != new_ver)); then
+    echo "Schema version $schema_ver does not equal new version $new_ver"
+    exit 1
+fi
+
+expected_sql="^UPDATE cockatrice_schema_version SET version=${new_ver} WHERE version=${old_ver};$"
+if ! grep -q "$expected_sql" servatrice/migrations/$latest_migration; then
+    echo "$latest_migration does not contain expected sql: $expected_sql"
+    exit 1
+fi
+
+expected_define="^#define DATABASE_SCHEMA_VERSION $new_ver$"
+if ! grep -q "$expected_define" servatrice/src/servatrice_database_interface.h; then
+    echo "servatrice_database_interface.h does not contain expected #define: $expected_define"
+    exit 1
+fi

travis-compile.sh

@@ -2,6 +2,8 @@
 
 set -e
 
+./servatrice/check_schema_version.sh
+
 mkdir build
 cd build
 prefix=""