image creation cleanup (commaai#317)

* cleaning

* remove resize2fs shrinking

* [upload]

* updated ROOTFS_IMAGE_SIZE comment about resize2fs -M

Dockerfile.builder

@@ -19,7 +19,6 @@ RUN apt-get update && \
     ccache \
     libcap2-bin \
     android-sdk-libsparse-utils \
-    e2fsprogs \
     && rm -rf /var/lib/apt/lists/*
 
 RUN if [ ${UID:-0} -ne 0 ] && [ ${GID:-0} -ne 0 ]; then \

build_system.sh

@@ -15,11 +15,11 @@ OUTPUT_DIR="$DIR/output"
 
 ROOTFS_DIR="$BUILD_DIR/agnos-rootfs"
 ROOTFS_IMAGE="$BUILD_DIR/system.img"
-SKIP_CHUNKS_IMAGE="$OUTPUT_DIR/system-skip-chunks.img"
+OUT_IMAGE="$OUTPUT_DIR/system.img"
+OUT_SKIP_CHUNKS_IMAGE="$OUTPUT_DIR/system-skip-chunks.img"
 
 # the partition is 10G, but openpilot's updater didn't always handle the full size
-# - the size will also get shrunk with "resize2fs -M"
-# - openpilot fix, shipped in 0.9.8 (8/18/24): https://github.com/commaai/openpilot/pull/33320
+# openpilot fix, shipped in 0.9.8 (8/18/24): https://github.com/commaai/openpilot/pull/33320
 ROOTFS_IMAGE_SIZE=5G
 
 # Create temp dir if non-existent
@@ -132,20 +132,16 @@ exec_as_root bash -c "set -e; export ROOTFS_DIR=$ROOTFS_DIR GIT_HASH=$GIT_HASH;
 echo "Unmount filesystem"
 exec_as_root umount -l $ROOTFS_DIR
 
-# Make image with skipped chunks
-echo "Sparsify image $(basename $SKIP_CHUNKS_IMAGE)"
+# Make system image with skipped chunks
+echo "Sparsifying image $(basename $OUT_SKIP_CHUNKS_IMAGE)"
 exec_as_user bash -c "\
 TMP_SPARSE=\$(mktemp); \
 img2simg $ROOTFS_IMAGE \$TMP_SPARSE; \
 TMP_SKIP=\$(mktemp); \
-$DIR/tools/simg2dontcare.py $TMP_SPARSE \$TMP_SKIP; \
-mv \$TMP_SKIP $SKIP_CHUNKS_IMAGE"
-
-# Reduce system image to the minimum size
-exec_as_user e2fsck -fy $ROOTFS_IMAGE
-exec_as_user resize2fs -M $ROOTFS_IMAGE
+$DIR/tools/simg2dontcare.py \$TMP_SPARSE \$TMP_SKIP; \
+mv \$TMP_SKIP $OUT_SKIP_CHUNKS_IMAGE"
 
 # Copy system image to output
-cp $ROOTFS_IMAGE $OUTPUT_DIR
+cp $ROOTFS_IMAGE $OUT_IMAGE
 
 echo "Done!"