cli.go

package main

import (
	"cmp"
	"flag"
	"fmt"
	"os"
	"strings"
	"time"

	"github.com/sadfun/agentci/providers"
)

type options struct {
	yes                     bool
	dir, base, head         string
	full                    bool
	only                    string
	provider, model, effort string
	jobs                    int
	timeout                 time.Duration
	verbose, json, github   bool
}

func runCLI(args []string) error {
	if len(args) > 0 && args[0] == "init" {
		return runInit()
	}
	var o options
	fs := flag.NewFlagSet("agentci", flag.ExitOnError)
	fs.BoolVar(&o.yes, "y", false, "install the agent CLI without asking when it is missing")
	fs.StringVar(&o.dir, "C", ".", "repository directory")
	fs.StringVar(&o.base, "base", "", "git ref to diff against (default: $AGENTCI_BASE, origin/$GITHUB_BASE_REF, origin/main, ..., HEAD~1)")
	fs.StringVar(&o.head, "head", "HEAD", "git ref containing the changes under review")
	fs.BoolVar(&o.full, "full", false, "review the whole repository instead of a diff")
	fs.StringVar(&o.only, "only", "", "run just the rule with this name or file name")
	fs.StringVar(&o.provider, "provider", cmp.Or(os.Getenv("AGENTCI_PROVIDER"), "codex"),
		"agent CLI to run rules with: "+strings.Join(providers.Names(), "|")+" (default: $AGENTCI_PROVIDER or codex)")
	fs.StringVar(&o.model, "model", "", "default model for rules that set none (default: the provider's own config)")
	fs.StringVar(&o.effort, "effort", "", "default reasoning effort for rules that set none: low|medium|high|xhigh")
	fs.IntVar(&o.jobs, "j", 1, "number of rules to run in parallel")
	fs.DurationVar(&o.timeout, "timeout", 15*time.Minute, "default per-rule timeout")
	fs.BoolVar(&o.verbose, "v", false, "stream the agent transcript to stderr")
	fs.BoolVar(&o.json, "json", false, "print the report as one JSON object on stdout instead of text")
	fs.BoolVar(&o.github, "github", true, "in GitHub Actions: one check per rule with the findings as annotations, plus the job summary (uses GITHUB_TOKEN)")
	fs.Usage = func() {
		fmt.Fprintf(os.Stderr, "usage: agentci [flags]\n       agentci init\n\n"+
			"Runs each %s/*.md rule through an AI coding agent and exits 1 if any rule fails.\n"+
			"Results go to stdout, one finding per line as file:line: message (rule); progress goes to stderr.\n\n", rulesDir)
		fs.PrintDefaults()
	}
	fs.Parse(args)
	if fs.NArg() > 0 {
		return fmt.Errorf("unexpected arguments: %s", strings.Join(fs.Args(), " "))
	}

	return run(o)
}