Make android file pulling script public

Summary: This could be useful for OSS users, e.g. https://github.com/facebook/flipper/issues/498

Reviewed By: passy

Differential Revision: D16457362

fbshipit-source-id: 73fad6a30383f622e49cecc3a20d7fbbec2b318b

scripts/debugging/android_sonar_dir.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the LICENSE file
+# in the root directory of this source tree.
+
+if [ "$#" -ne 4 ]; then
+    echo "Utility for manipulating the sonar directory where certificates and connection config are stored on Android devices."
+    echo "Usage: $0 pull APP_PACKAGE SOURCE DEST"
+    echo "E.g:   $0 pull com.facebook.flipper.sample device.crt /tmp/device.crt"
+    exit 1;
+fi
+PACKAGE=$2
+SOURCE=$3
+DEST=$4
+case "$1" in
+  "pull")
+    # run-as opens a subshell on the device, so we echo the command we want to
+    # execute into that subshell.
+    echo "cat files/sonar/$SOURCE" | adb shell run-as "$PACKAGE" > "$DEST"
+    ;;
+  *)
+    echo "Unrecognised command: $1"
+    exit 1
+    ;;
+esac