2018-05-29 11:18:47 +03:00

76 lines
2.2 KiB
Go

package commands
import (
"fmt"
"log"
"os"
"runtime"
"runtime/pprof"
"github.com/golangci/golangci-lint/pkg/printers"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
func (e *Executor) initRoot() {
rootCmd := &cobra.Command{
Use: "golangci-lint",
Short: "golangci-lint is a smart linters runner.",
Long: `Smart, fast linters runner. Run it in cloud for every GitHub pull request on https://golangci.com`,
Run: func(cmd *cobra.Command, args []string) {
if err := cmd.Help(); err != nil {
logrus.Fatal(err)
}
},
PersistentPreRun: func(cmd *cobra.Command, args []string) {
if e.cfg.Run.PrintVersion {
fmt.Fprintf(printers.StdOut, "golangci-lint has version %s built from %s on %s\n", e.version, e.commit, e.date)
os.Exit(0)
}
runtime.GOMAXPROCS(e.cfg.Run.Concurrency)
log.SetFlags(0) // don't print time
if e.cfg.Run.IsVerbose {
logrus.SetLevel(logrus.InfoLevel)
} else {
logrus.SetLevel(logrus.WarnLevel)
}
if e.cfg.Run.CPUProfilePath != "" {
f, err := os.Create(e.cfg.Run.CPUProfilePath)
if err != nil {
logrus.Fatal(err)
}
if err := pprof.StartCPUProfile(f); err != nil {
logrus.Fatal(err)
}
}
},
PersistentPostRun: func(cmd *cobra.Command, args []string) {
if e.cfg.Run.CPUProfilePath != "" {
pprof.StopCPUProfile()
}
if e.cfg.Run.MemProfilePath != "" {
f, err := os.Create(e.cfg.Run.MemProfilePath)
if err != nil {
logrus.Fatal(err)
}
runtime.GC() // get up-to-date statistics
if err := pprof.WriteHeapProfile(f); err != nil {
logrus.Fatal("could not write memory profile: ", err)
}
}
os.Exit(e.exitCode)
},
}
rootCmd.PersistentFlags().BoolVarP(&e.cfg.Run.IsVerbose, "verbose", "v", false, "verbose output")
rootCmd.PersistentFlags().StringVar(&e.cfg.Run.CPUProfilePath, "cpu-profile-path", "", "Path to CPU profile output file")
rootCmd.PersistentFlags().StringVar(&e.cfg.Run.MemProfilePath, "mem-profile-path", "", "Path to memory profile output file")
rootCmd.PersistentFlags().IntVarP(&e.cfg.Run.Concurrency, "concurrency", "j", runtime.NumCPU(), "Concurrency (default NumCPU)")
rootCmd.PersistentFlags().BoolVar(&e.cfg.Run.PrintVersion, "version", false, "Print version")
e.rootCmd = rootCmd
}