main.go
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package main
import (
"fmt"
"os"
"runtime"
"strings"
"congo.gg/cmd/commands"
)
var version = "dev"
const usage = `Congo — Go framework CLI
Usage:
congo <command> [arguments]
Commands:
init <name> Create a new project
new <name> Add an app to existing project
dev Run development server
build Build for production
launch Deploy infrastructure from infra.json
status Show deployment status
logs Stream logs from deployed services
destroy Remove a deployed server
connect SSH into a deployed server
claude Launch Claude Code with framework context
source Extract Congo source code
version Print version
Run 'congo <command> --help' for command-specific usage.
`
func main() {
if len(os.Args) < 2 {
fmt.Print(usage)
os.Exit(1)
}
switch os.Args[1] {
case "init":
commands.Init()
case "new":
commands.New()
case "dev":
commands.Dev()
case "build":
commands.Build()
case "launch":
commands.Launch()
case "status":
commands.Status()
case "logs":
commands.Logs()
case "destroy":
commands.Destroy()
case "connect":
commands.Connect()
case "claude":
commands.Claude()
case "source":
commands.Source()
case "version", "--version", "-v":
fmt.Printf("congo %s (%s/%s, go%s)\n", version, runtime.GOOS, runtime.GOARCH, runtime.Version()[2:])
case "help", "--help", "-h":
if len(os.Args) > 2 && os.Args[2] != "help" && os.Args[2] != "--help" && os.Args[2] != "-h" {
// Forward "congo help <cmd>" → "congo <cmd> --help"
os.Args = []string{os.Args[0], os.Args[2], "--help"}
main()
return
}
fmt.Print(usage)
default:
fmt.Fprintf(os.Stderr, "unknown command %q", os.Args[1])
if suggestion := closestCommand(os.Args[1]); suggestion != "" {
fmt.Fprintf(os.Stderr, " — did you mean %q?", suggestion)
}
fmt.Fprintf(os.Stderr, "\n\nRun 'congo help' for usage.\n")
os.Exit(1)
}
}
var allCommands = []string{
"init", "new", "dev", "build", "launch", "status",
"logs", "destroy", "connect", "claude", "source", "version",
}
// closestCommand returns the command with the smallest edit distance
// to input, if it's close enough to be a likely typo.
func closestCommand(input string) string {
input = strings.ToLower(input)
best, bestDist := "", len(input)+1
for _, cmd := range allCommands {
// Check prefix match first (e.g., "la" → "launch").
if strings.HasPrefix(cmd, input) {
return cmd
}
d := editDistance(input, cmd)
if d < bestDist {
best, bestDist = cmd, d
}
}
// Only suggest if edit distance is at most 2.
if bestDist <= 2 {
return best
}
return ""
}
func editDistance(a, b string) int {
la, lb := len(a), len(b)
dp := make([]int, lb+1)
for j := range dp {
dp[j] = j
}
for i := 1; i <= la; i++ {
prev := dp[0]
dp[0] = i
for j := 1; j <= lb; j++ {
tmp := dp[j]
if a[i-1] == b[j-1] {
dp[j] = prev
} else {
dp[j] = 1 + min(prev, dp[j-1], dp[j])
}
prev = tmp
}
}
return dp[lb]
}