Fix: error msg with uppercase, usage missed pt-

src/go/pt-galera-log-explainer/ctx.go

@@ -19,7 +19,7 @@ func (c *ctx) Help() string {
 func (c *ctx) Run() error {
 
 	if len(c.Paths) != 1 {
-		return errors.New("Can only use 1 path at a time for ctx subcommand")
+		return errors.New("can only use 1 path at a time for ctx subcommand")
 	}
 
 	timeline, err := timelineFromPaths(c.Paths, regex.AllRegexes())

src/go/pt-galera-log-explainer/internal.go

@@ -49,7 +49,7 @@ func timelineFromPaths(paths []string, regexes types.RegexMap) (types.Timeline,
 			continue
 		}
 		found = true
-		logger.Debug().Str("path", path).Msg("Finished searching")
+		logger.Debug().Str("path", path).Msg("finished searching")
 
 		// Why it should not just identify using the file path:
 		// so that we are able to merge files that belong to the same nodes
@@ -63,7 +63,7 @@ func timelineFromPaths(paths []string, regexes types.RegexMap) (types.Timeline,
 		}
 	}
 	if !found {
-		return nil, errors.New("Could not find data")
+		return nil, errors.New("could not find data")
 	}
 	return timeline, nil
 }
@@ -89,7 +89,7 @@ func prepareGrepArgument(regexes types.RegexMap) string {
 	if CLI.PxcOperator {
 		grepRegex += ")"
 	}
-	logger.Debug().Str("grepArg", grepRegex).Msg("Compiled grep arguments")
+	logger.Debug().Str("grepArg", grepRegex).Msg("compiled grep arguments")
 	return grepRegex
 }
 
@@ -135,7 +135,7 @@ func execGrepAndIterate(path, compiledRegex string, stdout chan<- string) error
 	// double-check it stopped correctly
 	if err = cmd.Wait(); err != nil {
 		if exiterr, ok := err.(*exec.ExitError); ok && exiterr.ExitCode() == 1 {
-			return errors.New("Found nothing")
+			return errors.New("found nothing")
 		}
 		return errors.Wrap(err, "grep subprocess error")
 	}

src/go/pt-galera-log-explainer/list.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+
 	"github.com/percona/percona-toolkit/src/go/pt-galera-log-explainer/display"
 	"github.com/percona/percona-toolkit/src/go/pt-galera-log-explainer/regex"
 	"github.com/percona/percona-toolkit/src/go/pt-galera-log-explainer/types"
@@ -20,30 +22,30 @@ type list struct {
 }
 
 func (l *list) Help() string {
-	return `List events for each nodes in a columnar output
+	return fmt.Sprintf(`List events for each nodes in a columnar output
 	It will merge logs between themselves
 
 	"identifier" is an internal metadata, this is used to merge logs.
 
 Usage:
-	galera-log-explainer list --all <list of files>
-	galera-log-explainer list --all *.log
-	galera-log-explainer list --sst --views --states <list of files>
-	galera-log-explainer list --events --views *.log
-	`
+	%[1]s list --all <list of files>
+	%[1]s list --all *.log
+	%[1]s list --sst --views --states <list of files>
+	%[1]s list --events --views *.log
+	`, toolname)
 }
 
 func (l *list) Run() error {
 
 	if !(l.All || l.Events || l.States || l.SST || l.Views || l.Applicative) {
-		return errors.New("Please select a type of logs to search: --all, or any parameters from: --sst --views --events --states")
+		return errors.New("flag required: --all, or any parameters from: --sst --views --events --states --applicative")
 	}
 
 	toCheck := l.regexesToUse()
 
 	timeline, err := timelineFromPaths(CLI.List.Paths, toCheck)
 	if err != nil {
-		return errors.Wrap(err, "Could not list events")
+		return errors.Wrap(err, "could not list events")
 	}
 
 	display.TimelineCLI(timeline, CLI.Verbosity)

src/go/pt-galera-log-explainer/regex/regex.go

@@ -12,7 +12,7 @@ import (
 func internalRegexSubmatch(regex *regexp.Regexp, log string) ([]string, error) {
 	slice := regex.FindStringSubmatch(log)
 	if len(slice) == 0 {
-		return nil, errors.New(fmt.Sprintf("Could not find submatch from log \"%s\" using pattern \"%s\"", log, regex.String()))
+		return nil, errors.New(fmt.Sprintf("could not find submatch from log \"%s\" using pattern \"%s\"", log, regex.String()))
 	}
 	return slice, nil
 }

src/go/pt-galera-log-explainer/sed.go

@@ -17,21 +17,22 @@ type sed struct {
 }
 
 func (s *sed) Help() string {
-	return `sed translates a log, replacing node UUID, IPS, names with either name or IP everywhere. By default it replaces by name.
+
+	return fmt.Sprintf(`sed translates a log, replacing node UUID, IPS, names with either name or IP everywhere. By default it replaces by name.
 
 Use like so:
-	cat node1.log | galera-log-explainer sed *.log | less
-	galera-log-explainer sed *.log < node1.log | less
+	cat node1.log | %[1]s sed *.log | less
+	%[1]s sed *.log < node1.log | less
 
 You can also simply call the command to get a generated sed command to review and apply yourself
-	galera-log-explainer sed *.log`
+	%[1]s sed *.log`, toolname)
 }
 
 func (s *sed) Run() error {
 	toCheck := regex.AllRegexes()
 	timeline, err := timelineFromPaths(s.Paths, toCheck)
 	if err != nil {
-		return errors.Wrap(err, "Found nothing worth replacing")
+		return errors.Wrap(err, "found nothing worth replacing")
 	}
 	ctxs := timeline.GetLatestUpdatedContextsByNodes()
 
@@ -56,7 +57,7 @@ func (s *sed) Run() error {
 
 	}
 	if len(args) == 0 {
-		return errors.New("Could not find informations to replace")
+		return errors.New("could not find informations to replace")
 	}
 
 	fstat, err := os.Stdin.Stat()

src/go/pt-galera-log-explainer/whois.go

@@ -26,7 +26,7 @@ func (w *whois) Run() error {
 	toCheck := regex.AllRegexes()
 	timeline, err := timelineFromPaths(CLI.Whois.Paths, toCheck)
 	if err != nil {
-		return errors.Wrap(err, "Found nothing to translate")
+		return errors.Wrap(err, "found nothing to translate")
 	}
 	ctxs := timeline.GetLatestUpdatedContextsByNodes()