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-rw-r--r--Makefile10
-rw-r--r--argv.go39
-rw-r--r--debugger.go6
-rw-r--r--main.go4
4 files changed, 51 insertions, 8 deletions
diff --git a/Makefile b/Makefile
index 85844a9..d94a15f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,13 @@
+VERSION = $(shell git describe --tags)
+
all:
- GO111MODULE=off go build -v -x
+ GO111MODULE=off go build -v -x \
+ -ldflags "-X main.VERSION=${VERSION}"
+ ./helloworld
+
+install:
+ GO111MODULE=off go install -v -x \
+ -ldflags "-X main.VERSION=${VERSION}"
./helloworld
gocui:
diff --git a/argv.go b/argv.go
new file mode 100644
index 0000000..4183d11
--- /dev/null
+++ b/argv.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+ "os"
+
+ "github.com/alexflint/go-arg"
+)
+
+/*
+ this parses the command line arguements
+
+ this enables command line options from other packages like 'gui' and 'log'
+*/
+
+var argv args
+
+type args struct {
+ Demo string `arg:"positional" help:"this is just a demo"`
+}
+
+func (a args) Description() string {
+ return `
+This helloworld example demonstrates the 'gui' plugin toolkits
+`
+}
+
+func init() {
+ pp := arg.MustParse(&argv)
+
+ // for very new users or users unfamilar with the command line, this may help them
+ if argv.Demo == "version" || argv.Demo == "help" || argv.Demo == "?" {
+ pp.WriteHelp(os.Stdout)
+ os.Exit(0)
+ }
+}
+
+func (args) Version() string {
+ return "helloworld " + VERSION
+}
diff --git a/debugger.go b/debugger.go
index 116d549..f7a6aca 100644
--- a/debugger.go
+++ b/debugger.go
@@ -5,17 +5,11 @@ package main
*/
import (
- "go.wit.com/dev/alexflint/arg"
"go.wit.com/lib/debugger"
"go.wit.com/log"
)
-var args struct {
-}
-
func init() {
- arg.MustParse(&args)
-
if debugger.ArgDebug() {
log.Info("cmd line --debugger == true")
go func() {
diff --git a/main.go b/main.go
index 4d63459..dd7bf36 100644
--- a/main.go
+++ b/main.go
@@ -1,4 +1,3 @@
-// This creates a simple helloworld window
package main
import (
@@ -6,6 +5,9 @@ import (
"go.wit.com/log"
)
+// sent from -ldflags
+var VERSION string
+
// This is the beginning of our binary tree of widgets
var myGui *gui.Node