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main.go
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main.go
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package main
import (
"fmt"
"io"
"log"
"os"
docopt "github.com/docopt/docopt-go"
"github.com/mrtazz/checkmake/config"
"github.com/mrtazz/checkmake/formatters"
"github.com/mrtazz/checkmake/logger"
"github.com/mrtazz/checkmake/parser"
"github.com/mrtazz/checkmake/rules"
"github.com/mrtazz/checkmake/validator"
"github.com/olekukonko/tablewriter"
)
var (
usage = `checkmake.
Usage:
checkmake [options] <makefile>...
checkmake -h | --help
checkmake --version
checkmake --list-rules
Options:
-h --help Show this screen.
--version Show version.
--debug Enable debug mode
--config=<configPath> Configuration file to read
--format=<format> Output format as a Golang text/template template
--list-rules List registered rules
`
version = ""
buildTime = ""
builder = ""
goversion = ""
configPath = "checkmake.ini"
)
func main() {
args, err := docopt.Parse(usage, nil, true,
fmt.Sprintf("%s %s built at %s by %s with %s",
"checkmake", version, buildTime, builder, goversion), false)
if err != nil {
log.Fatal(err)
os.Exit(1)
}
formatter, violations := parseArgsAndGetFormatter(args)
if len(violations) > 0 {
formatter.Format(violations)
}
os.Exit(len(violations))
}
func parseArgsAndGetFormatter(args map[string]interface{}) (formatters.Formatter,
rules.RuleViolationList) {
if args["--debug"] == true {
logger.SetLogLevel(logger.DebugLevel)
}
if args["--list-rules"] == true {
listRules(os.Stdout)
os.Exit(0)
}
if args["--config"] != nil {
configPath = args["--config"].(string)
}
cfg, cfgError := config.NewConfigFromFile(configPath)
if cfgError != nil {
logger.Info(fmt.Sprintf("Unable to parse config file %q, running with defaults",
configPath))
}
var violations rules.RuleViolationList
makefileArray := args["<makefile>"].([]string)
logger.Debug(fmt.Sprintf("Makefiles passed: %q",
makefileArray))
for _, mkf := range makefileArray {
logger.Info(fmt.Sprintf("Parsing file %q",
mkf))
makefile, parseError := parser.Parse(mkf)
if parseError != nil {
log.Fatal(parseError)
os.Exit(1)
}
violations = append(violations, validator.Validate(makefile, cfg)...)
}
var formatter formatters.Formatter
if args["--format"] != nil {
format := args["--format"].(string)
var err error
formatter, err = formatters.NewCustomFormatter(format)
if err != nil {
logger.Error(fmt.Sprintf("Unable to create formatter: %q", err.Error()))
os.Exit(1)
}
} else if format, formatErr := cfg.GetConfigValue("format"); formatErr == nil {
var err error
formatter, err = formatters.NewCustomFormatter(format)
if err != nil {
logger.Error(fmt.Sprintf("Unable to create formatter: %q", err.Error()))
os.Exit(1)
}
} else {
formatter = formatters.NewDefaultFormatter()
}
return formatter, violations
}
func listRules(w io.Writer) {
data := [][]string{}
for _, rule := range rules.GetRegisteredRules() {
data = append(data, []string{rule.Name(), rule.Description()})
}
table := tablewriter.NewWriter(w)
table.SetHeader([]string{"Name", "Description"})
table.SetCenterSeparator(" ")
table.SetColumnSeparator(" ")
table.SetRowSeparator(" ")
table.SetAutoWrapText(true)
table.AppendBulk(data)
table.Render()
}