commit 0e9751d

yuh

1@@ -3,3 +3,6 @@ dtr
2 dtr.sh
3 dtrgolang/
4 dtrgolang
5+dgr
6+dgr.sh
7+dgr/

 1@@ -15,13 +15,13 @@ func Info(a string) {
 2 	fmt.Printf("%s\n", a)
 3 }
 4 
 5-func Die(a string, exit int) {
 6+func Die(a string, b string, exit int) {
 7 	fmt.Printf("\033[m\033[31;1mERROR:\033[m ")
 8-	fmt.Printf("%s\n", a)
 9+	fmt.Printf("%s: %s\n", a, b)
10 	os.Exit(exit)
11 }
12 
13-func Warn(a string) {
14+func Warn(a string, b string) {
15 	fmt.Printf("\033[m\033[33;1mwarning:\033[m ")
16-	fmt.Printf("%s\n", a)
17+	fmt.Printf("%s: %s\n", a, b)
18 }

 1@@ -0,0 +1,12 @@
 2+package dgre
 3+
 4+import (
 5+	"git.sr.ht/~chld/dgr/cmd"
 6+	"os"
 7+)
 8+
 9+func VC(a string) {
10+	if os.Getenv(a) == "" {
11+		dgr.Die("variable not found", a, 1)
12+	}
13+}

 1@@ -3,6 +3,7 @@ package main
 2 import (
 3 	"fmt"
 4 	"git.sr.ht/~chld/dgr/cmd"
 5+	"git.sr.ht/~chld/dgr/extra"
 6 	"os"
 7 	"path/filepath"
 8 )
 9@@ -22,8 +23,9 @@ func main() {
10 
11 	switch os.Args[1] {
12 	case "sp":
13+		dgre.VC("DTR_DIR")
14 		fmt.Println(dgr.FindPkg(os.Args[2]))
15 	default:
16-		dgr.Die("sorry, not implemented yet", 1)
17+		dgr.Die("sorry, not implemented yet", os.Args[1], 1)
18 	}
19 }