Move everything to core

core/shell.ts

@@ -0,0 +1,15 @@
+/**
+ * Run a shell command that can be aborted using an `AbortSignal`
+ * @since 2021-08-13
+ */
+export async function abortableExec(opts: { cmd: string[], signal?: AbortSignal }): Promise<void> {
+    const { cmd, signal } = opts
+    if (signal && signal.aborted) return
+    const p = Deno.run({
+        cmd,
+        stdout: "null"
+    })
+    signal && signal.addEventListener('abort', () => p.kill("SIGINT"))
+    await p.status()
+    return
+}