Isaev Denis c9a9255238
Speed up packages loading (#693)
Don't perform extra go env calls in go/packages.
Load only needed go env vars in golangci-lint.
Stay in sync by enabled analyzers in go vet: remove nilness and
atomicalign analyzers, add errorsas analyzer.
Don't build SSA for govet.

Standalone govet runs 25% faster than before. All runs can be 5-10% faster
than before.
Relates: #208
2019-09-14 18:48:18 +03:00

85 lines
2.1 KiB
Go

package commands
import (
"fmt"
"os"
"sort"
"strings"
"github.com/fatih/color"
"github.com/spf13/cobra"
"github.com/golangci/golangci-lint/pkg/lint/linter"
"github.com/golangci/golangci-lint/pkg/logutils"
)
func (e *Executor) initHelp() {
helpCmd := &cobra.Command{
Use: "help",
Short: "Help",
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 0 {
e.log.Fatalf("Usage: golangci-lint help")
}
if err := cmd.Help(); err != nil {
e.log.Fatalf("Can't run help: %s", err)
}
},
}
e.rootCmd.SetHelpCommand(helpCmd)
lintersHelpCmd := &cobra.Command{
Use: "linters",
Short: "Help about linters",
Run: e.executeLintersHelp,
}
helpCmd.AddCommand(lintersHelpCmd)
}
func printLinterConfigs(lcs []*linter.Config) {
sort.Slice(lcs, func(i, j int) bool {
return strings.Compare(lcs[i].Name(), lcs[j].Name()) < 0
})
for _, lc := range lcs {
altNamesStr := ""
if len(lc.AlternativeNames) != 0 {
altNamesStr = fmt.Sprintf(" (%s)", strings.Join(lc.AlternativeNames, ", "))
}
fmt.Fprintf(logutils.StdOut, "%s%s: %s [fast: %t, auto-fix: %t]\n", color.YellowString(lc.Name()),
altNamesStr, lc.Linter.Desc(), !lc.NeedsDepsTypeInfo, lc.CanAutoFix)
}
}
func (e *Executor) executeLintersHelp(_ *cobra.Command, args []string) {
if len(args) != 0 {
e.log.Fatalf("Usage: golangci-lint help linters")
}
var enabledLCs, disabledLCs []*linter.Config
for _, lc := range e.DBManager.GetAllSupportedLinterConfigs() {
if lc.EnabledByDefault {
enabledLCs = append(enabledLCs, lc)
} else {
disabledLCs = append(disabledLCs, lc)
}
}
color.Green("Enabled by default linters:\n")
printLinterConfigs(enabledLCs)
color.Red("\nDisabled by default linters:\n")
printLinterConfigs(disabledLCs)
color.Green("\nLinters presets:")
for _, p := range e.DBManager.AllPresets() {
linters := e.DBManager.GetAllLinterConfigsForPreset(p)
linterNames := []string{}
for _, lc := range linters {
linterNames = append(linterNames, lc.Name())
}
sort.Strings(linterNames)
fmt.Fprintf(logutils.StdOut, "%s: %s\n", color.YellowString(p), strings.Join(linterNames, ", "))
}
os.Exit(0)
}