mastodon/sona-pi-toki-pona: build and deploy in go, not shell

1 files changed, 40 insertions, 0 deletions

diff --git a/internal/internal.go b/internal/internal.go
index f21624e..9c36aa3 100644
--- a/internal/internal.go
+++ b/internal/internal.go
@@ -1,17 +1,36 @@
 package internal
 
 import (
+	"context"
 	"encoding/json"
 	"flag"
 	"fmt"
 	"log"
 	"net/http"
 	"os"
+	"os/exec"
+	"time"
 
 	"github.com/Xe/x/tools/license/licenses"
 	"go4.org/legal"
 )
 
+// current working directory and date:time tag of app boot (useful for tagging slugs)
+var (
+	WD      string
+	DateTag string
+)
+
+func init() {
+	lwd, err := os.Getwd()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	WD = lwd
+	DateTag = time.Now().Format("010220061504")
+}
+
 var (
 	licenseShow = flag.Bool("license", false, "show software license?")
 )
@@ -38,3 +57,24 @@ func HandleLicense() {
 		os.Exit(0)
 	}
 }
+
+// ShouldWork explodes if the given command with the given env, working dir and context fails.
+func ShouldWork(ctx context.Context, env []string, dir string, cmdName string, args ...string) {
+	loc, err := exec.LookPath(cmdName)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cmd := exec.CommandContext(ctx, loc, args...)
+	cmd.Dir = dir
+	cmd.Env = env
+
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	log.Printf("starting process, env: %v, pwd: %s, cmd: %s, args: %v", env, dir, loc, args)
+	err = cmd.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}