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cmd/present: address minor comments not applied in a previous change

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These changes were suggested in golang.org/cl/140841 but were not
applied in that change. They are small documentation fixes and a
switch from using fmt.Fprintf/os.Exit to log.Fatalf.

Change-Id: I9393261f8f28b589678866dd7b8904d46629fb4b
Reviewed-on: https://go-review.googlesource.com/c/141685
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Andrew Bonventre 2018-10-12 16:38:04 -04:00
parent c0eb142035
commit 13216ffa54
1 changed files with 3 additions and 4 deletions
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7
cmd/present/main.go
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@ -25,7 +25,7 @@ var (
originHost = flag.String("orighost", "", "host component of web origin URL (e.g., 'localhost')") originHost = flag.String("orighost", "", "host component of web origin URL (e.g., 'localhost')")
basePath = flag.String("base", "", "base path for slide template and static resources") basePath = flag.String("base", "", "base path for slide template and static resources")
contentPath = flag.String("content", ".", "base path for presentation content") contentPath = flag.String("content", ".", "base path for presentation content")
usePlayground = flag.Bool("use_playground", false, "if false, arbitrary code (Go, shell scripts, etc.) is run locally via WebSocket transport; otherwise it uses play.golang.org") usePlayground = flag.Bool("use_playground", false, "run code snippets using play.golang.org; if false, run them locally and deliver results by WebSocket transport")
nativeClient = flag.Bool("nacl", false, "use Native Client environment playground (prevents non-Go code execution) when using local WebSocket transport") nativeClient = flag.Bool("nacl", false, "use Native Client environment playground (prevents non-Go code execution) when using local WebSocket transport")
) )
@ -43,8 +43,7 @@ func main() {
*httpAddr = fmt.Sprintf("0.0.0.0:%s", port) *httpAddr = fmt.Sprintf("0.0.0.0:%s", port)
pwd, err := os.Getwd() pwd, err := os.Getwd()
if err != nil { if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't get pwd: %v\n", err) log.Fatalf("Couldn't get pwd: %v\n", err)
os.Exit(1)
} }
*basePath = pwd *basePath = pwd
*usePlayground = true *usePlayground = true
@ -139,7 +138,7 @@ const localhostWarning = `
WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
The present server appears to be listening on an address that is not localhost The present server appears to be listening on an address that is not localhost
and using socket transport for running Go code. Anyone with access to this address and is configured to run code snippets locally. Anyone with access to this address
and port will have access to this machine as the user running present. and port will have access to this machine as the user running present.
To avoid this message, listen on localhost, run with -play=false, or run with To avoid this message, listen on localhost, run with -play=false, or run with