84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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)
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var envtype int // set by user with cli flag
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const (
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ENVIRONMENT_DEV = iota
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ENVIRONMENT_STAGING = iota
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ENVIRONMENT_PRODUCTION = iota
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)
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const METAGEN_AUTO_COMMENT = "// @Metagen -- THIS FILE WAS AUTOGENERATED OR PREPROCESSED BY METAGEN - DO NOT EDIT BY HAND"
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// metagen - code generator application
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//
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// Generates code for other applications, such as the server application
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func main() {
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env := flag.String("env", "dev", "The environment to run in: dev, staging, or production")
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// Parse command-line flags
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flag.Parse()
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switch *env {
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case "dev":
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envtype = ENVIRONMENT_DEV
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case "staging":
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envtype = ENVIRONMENT_STAGING
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case "production":
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envtype = ENVIRONMENT_PRODUCTION
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default:
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fmt.Printf("Invalid environment specified: %s\n", *env)
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fmt.Println("Allowed values are: dev, staging, or production")
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os.Exit(1)
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}
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args := flag.Args()
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for _, arg := range args {
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switch arg {
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case "build":
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preBuild()
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goto End
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case "migrate":
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migrations(args)
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goto End
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default:
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helpmsg()
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goto End
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}
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}
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End:
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if len(args) == 0 {
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helpmsg()
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}
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}
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func helpmsg() {
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fmt.Println("Usage: metagen [options...]")
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fmt.Println("build :: Build dependencies, generate code, then build final executables.")
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fmt.Println("migrate [up, down, goto {V}, create {migration name}] :: Deploy and create SQL migrations.")
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os.Exit(1)
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}
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func preBuild() {
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if envtype == ENVIRONMENT_DEV {
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fmt.Println("[DEBUG ENVIRONMENT]")
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} else if envtype == ENVIRONMENT_STAGING || envtype == ENVIRONMENT_PRODUCTION {
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fmt.Println("[RELEASE ENVIRONMENT]")
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}
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// db creation
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maybeCreateSqliteDb()
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// code generation
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generateInlineStyles()
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generateDebugConfig()
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} |