Execute build function from craft.sh

craft.sh is the script which needs to be located inside the repository
root to define how the repository should be used.

The first defined function is `build()` which is used to build the
repository content.

1 files changed, 23 insertions, 2 deletions

diff --git a/main.go b/main.go
index 505daf1..383b398 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
 // see `man 5 githooks` for details
 
 import (
+	"bytes"
 	"errors"
 	"fmt"
 	"io"
@@ -32,7 +33,9 @@ func main() {
 		}
 		log.Printf("Git ref update: %s\n", update)
 		commit := update.updated
-		_ = prepareWorkbench(repo, commit)
+		workbench := prepareWorkbench(repo, commit)
+		defer os.RemoveAll(workbench)
+		craft(workbench)
 	}
 }
 
@@ -48,12 +51,30 @@ func runCommand(dir string, name string, args ...string) {
 	}
 }
 
+func craft(workbench string) {
+	script := `#!/bin/sh
+
+source craft.sh
+build
+`
+
+	cmd := exec.Command("busybox", "ash")
+	cmd.Dir = workbench
+	cmd.Stdin = bytes.NewBufferString(script)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	err := cmd.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
 func prepareWorkbench(repo string, commit string) string {
 	workbench, err := os.MkdirTemp("", "*-craft")
 	if err != nil {
 		log.Fatal(err)
 	}
-	defer os.RemoveAll(workbench)
 
 	runCommand(
 		workbench,