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migration.js
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migration.js
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var migration = require('./db/migration'),
config = require('./config'),
util = require('util'),
program = require('commander');
program.version('0.0.1')
.option('-r, --rollbackTo [number]', '[optional] Rollback scripts to [number], excluded, default to all', parseInt)
.option('-m, --migrateTo [number]', '[optional] Migrate scripts to [number], included, default to newest', parseInt)
.option('-e, --env [env]', '[optional] default env is development', 'development')
.option('-d, --directory <dir>', "If set to <dir>, then look up migration scripts in <dir>/migration, and lookup rollback scripts in <dir>/rollback, default to 'db'", 'db')
.parse(process.argv);
var env = program.env;
var dir = config[env].script;
if(!program.rollbackTo && !program.migrateTo){
console.log("Usage: node migration <-r [number] | -m [number]> [-e [env]] -h");
return;
}
console.log("nodbdeploy runs on env %s, will use %s as base directory. ",env, program.directory);
var db = migration.createdb(config[env].db);
if(program.rollbackTo){
var rollbackTo = parseInt(program.rollbackTo);
if(isNaN(rollbackTo)){
console.log("Will rollback all scripts.");
rollbackTo = 0;
}else{
console.log("Will rollback scripts to %d", rollbackTo);
}
migration.rollback(db, program.directory, rollbackTo);
}
if(program.migrateTo){
var migrateTo = parseInt(program.migrateTo);
if(isNaN(migrateTo)){
console.log("Will migrate scripts to newest.");
migrateTo = 999;
}else{
console.log("Will migrate scripts to " + migrateTo);
}
migration.migrate(db, program.directory, migrateTo);
}