better error message

mattn · mattn · commit c9d5127ba24d · 2017-02-09T14:03:25.000+09:00
diff --git a/main.go b/main.go
@@ -371,7 +371,7 @@ func cmdEdit(c *cli.Context) error {
 		cmd.Stdin = strings.NewReader(strings.Join(files, "\n"))
 		b, err := cmd.CombinedOutput()
 		if err != nil {
-			return fmt.Errorf("cannot run %q: %v: you need to install peco first: https://github.com/peco/peco", cfg.SelectCmd, err)
+			return fmt.Errorf("%v: you need to install peco first: https://github.com/peco/peco", err)
 		}
 		files = strings.Split(strings.TrimSpace(string(b)), "\n")
 		for i, file := range files {

Original file line number	Diff line number	Diff line change
`@@ -371,7 +371,7 @@ func cmdEdit(c *cli.Context) error {`
`371`	`371`	`cmd.Stdin = strings.NewReader(strings.Join(files, "\n"))`
`372`	`372`	`b, err := cmd.CombinedOutput()`
`373`	`373`	`if err != nil {`
`374`		`- return fmt.Errorf("cannot run %q: %v: you need to install peco first: https://github.com/peco/peco", cfg.SelectCmd, err)`
	`374`	`+ return fmt.Errorf("%v: you need to install peco first: https://github.com/peco/peco", err)`
`375`	`375`	`}`
`376`	`376`	`files = strings.Split(strings.TrimSpace(string(b)), "\n")`
`377`	`377`	`for i, file := range files {`