Add smart support for Local Manifests

Now you can prepare them before hand, and when the build will start will take them in consideration everytime.
Before you had to wait at least the first round of build to be able to add your local manifest.

Dockerfile

@@ -7,6 +7,7 @@ MAINTAINER Julian Xhokaxhiu <info at julianxhokaxhiu dot com>
 ENV SRC_DIR /srv/src
 ENV CCACHE_DIR /srv/ccache
 ENV OUT_DIR /srv/out
+ENV LMANIFEST_DIR /src/manifest
 
 # Configurable environment variables
 ####################################
@@ -59,6 +60,7 @@ ENV ANDROID_JACK_VM_ARGS "-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx4G"
 VOLUME $SRC_DIR
 VOLUME $CCACHE_DIR
 VOLUME $OUT_DIR
+VOLUME $LMANIFEST_DIR
 
 # Copy required files and fix permissions
 #####################
@@ -71,6 +73,7 @@ COPY src/* /root/
 RUN mkdir -p $SRC_DIR
 RUN mkdir -p $CCACHE_DIR
 RUN mkdir -p $OUT_DIR
+RUN mkdir -p $LMANIFEST_DIR
 
 # Set the work directory
 ########################

src/build.sh

@@ -21,6 +21,9 @@ if ! [ -z "$DEVICE_LIST" ]; then
     yes | repo init -u git://github.com/lineageos/android.git -b $BRANCH_NAME 2>&1 >&$OUTPUT
   fi
 
+  # Copy local manifests to the appropriate folder in order take them into consideration
+  cp * $LMANIFEST_DIR/* $SRC_DIR/.repo/local_manifests/
+
   # Go to "vendor/cm" and reset it's current git status ( remove previous changes ) only if the directory exists
   if [ -d "vendor/cm" ]; then
     cd vendor/cm