Bootrstrapping androix repositoy in lite Dockerfile done right

ci/docker/compose-web/Dockerfile-Basic

@@ -47,3 +47,5 @@ WORKDIR  androidx-main
 
 COPY bootstrap.sh bootstrap.sh
 RUN chmod a+x bootstrap.sh
+
+ENTRYPOINT ./bootstrap.sh

ci/docker/compose-web/bootstrap.sh

@@ -1,9 +1,23 @@
-cd /androidx-main
-~/bin/repo init -u https://android.googlesource.com/platform/manifest \
-    -b androidx-main --depth=1 --partial-clone --clone-filter=blob:limit=10M
-~/bin/repo sync -c --no-tags --no-clone-bundle -j4
-
-mkdir -p /mnt/agent
-ln -sf /androidx-main/tools/ /mnt/agent/tools
-ln -sf /androidx-main/prebuilts/ /mnt/agent/prebuilts
-ln -sf /androidx-main/external /mnt/agent/external
+#!/bin/bash
+
+function bootstrap() {
+    cd /androidx-main
+    ~/bin/repo init -u https://android.googlesource.com/platform/manifest \
+        -b androidx-main --depth=1 --partial-clone --clone-filter=blob:limit=10M
+    ~/bin/repo sync -c --no-tags --no-clone-bundle -j4
+
+    mkdir -p /mnt/agent
+    ln -sf /androidx-main/tools/ /mnt/agent/tools
+    ln -sf /androidx-main/prebuilts/ /mnt/agent/prebuilts
+    ln -sf /androidx-main/external /mnt/agent/external
+}
+
+if [ ! -e /tmp/init ]; then
+    touch /tmp/init
+    echo "bootstrapping"
+    sleep 10
+else
+    echo "not bootstrapping, all done"
+fi
+
+/bin/bash

ci/docker/compose-web/init.gradle

@@ -76,9 +76,4 @@ allprojects {
             url("https://maven.pkg.jetbrains.space/public/p/compose/dev")
         }
     }
-
-    task bootstrap(type: Exec) {
-        workingDir "/androidx-main"
-        commandLine "/androidx-main/bootstrap.sh"
-    }
 }