init: pristine aerc 0.20.0 source

lib/hooks/exec.go

@@ -0,0 +1,31 @@
+package hooks
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+
+	"git.sr.ht/~rjarry/aerc/lib/log"
+)
+
+func RunHook(h HookType) error {
+	cmd := h.Cmd()
+	if cmd == "" {
+		return nil
+	}
+	env := h.Env()
+	log.Debugf("hooks: running command %q (env %v)", cmd, env)
+
+	proc := exec.Command("sh", "-c", cmd)
+	var outb, errb bytes.Buffer
+	proc.Stdout = &outb
+	proc.Stderr = &errb
+	proc.Env = os.Environ()
+	proc.Env = append(proc.Env, env...)
+	err := proc.Run()
+	log.Tracef("hooks: %q stdout: %s", cmd, outb.String())
+	if err != nil {
+		log.Errorf("hooks:%q stderr: %s", cmd, errb.String())
+	}
+	return err
+}