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cmd/golsp: enable logging to a default location

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Add a default "auto" value to the "--logfile" flag that allows logs to be
written to a default location.

Change-Id: I1952ad2622b824795906c6b8183b58f88c35fb62
Reviewed-on: https://go-review.googlesource.com/c/153197
Reviewed-by: Ian Cottrell <iancottrell@google.com>
This commit is contained in:
Rebecca Stambler 2018-12-07 11:33:44 -05:00
parent e00c0697c2
commit 85346a3911
1 changed files with 8 additions and 3 deletions
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11
cmd/golsp/main.go
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@ -16,6 +16,7 @@ import (
"io" "io"
"log" "log"
"os" "os"
"path/filepath"
"runtime" "runtime"
"runtime/pprof" "runtime/pprof"
"runtime/trace" "runtime/trace"
@ -29,10 +30,10 @@ var (
cpuprofile = flag.String("cpuprofile", "", "write CPU profile to this file") cpuprofile = flag.String("cpuprofile", "", "write CPU profile to this file")
memprofile = flag.String("memprofile", "", "write memory profile to this file") memprofile = flag.String("memprofile", "", "write memory profile to this file")
traceFlag = flag.String("trace", "", "write trace log to this file") traceFlag = flag.String("trace", "", "write trace log to this file")
logfile = flag.String("logfile", "", "filename to log to. if value is \"auto\", then logging to a default output file is enabled")
// Flags for compatitibility with VSCode. // Flags for compatitibility with VSCode.
logfile = flag.String("logfile", "", "filename to log to") mode = flag.String("mode", "", "no effect")
mode = flag.String("mode", "", "no effect")
) )
func main() { func main() {
@ -90,7 +91,11 @@ func main() {
out := os.Stderr out := os.Stderr
if *logfile != "" { if *logfile != "" {
f, err := os.Create(*logfile) filename := *logfile
if filename == "auto" {
filename = filepath.Join(os.TempDir(), fmt.Sprintf("golsp-%d.log", os.Getpid()))
}
f, err := os.Create(filename)
if err != nil { if err != nil {
log.Fatalf("Unable to create log file: %v", err) log.Fatalf("Unable to create log file: %v", err)
} }