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Add tinygo version subcommand #172

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Merged
merged 3 commits into from
Feb 8, 2019
Merged

Add tinygo version subcommand #172

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fc69e5c
cmd: add tinygo version subcommand to display current software versio…
deadprogram Feb 6, 2019
ba23d51
cmd: improvements and simplifications to version subcommand
deadprogram Feb 7, 2019
9edd561
cmd: make the output of usage all lowercase like the 'go version' com…
deadprogram Feb 8, 2019
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5 changes: 5 additions & 0 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import (
"os/exec"
"os/signal"
"path/filepath"
"runtime"
"strconv"
"strings"
"syscall"
Expand Down Expand Up @@ -455,6 +456,8 @@ func Run(pkgName, target string, config *BuildConfig) error {
}

func usage() {
fmt.Fprintln(os.Stderr, "TinyGo is a Go compiler for small places.")
fmt.Fprintln(os.Stderr, "version:", version)
fmt.Fprintf(os.Stderr, "usage: %s command [-printir] [-target=<target>] -o <output> <input>\n", os.Args[0])
fmt.Fprintln(os.Stderr, "\ncommands:")
fmt.Fprintln(os.Stderr, " build: compile packages and dependencies")
Expand Down Expand Up @@ -601,6 +604,8 @@ func main() {
}
case "help":
usage()
case "version":
fmt.Printf("tinygo version %s %s/%s\n", version, runtime.GOOS, runtime.GOARCH)
default:
fmt.Fprintln(os.Stderr, "Unknown command:", command)
usage()
Expand Down
5 changes: 5 additions & 0 deletions version.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
package main

// version of this package.
// Update this value before release of new version of software.
const version = "0.1.0"