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Add option to rel2fw.sh to allow post-processing #832

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merged 1 commit into from
Jan 9, 2025
Merged

Add option to rel2fw.sh to allow post-processing #832

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12 changes: 11 additions & 1 deletion scripts/rel2fw.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ usage() {
echo " -f <firmware output file> Default is $PROJECT_DIR.fw"
echo " -o <image output file> Default is $PROJECT_DIR.img"
echo " -p <file priorities> The ordering of files in the rootfs (may be specified more than once)"
echo " -s <script path> Post-processing script for rootfs (optional)"
echo
echo "Barring errors, the firmware file is always created. The raw image is only"
echo "created if specified."
Expand All @@ -48,7 +49,7 @@ sbin/init 32764
etc/erlinit.config 32763
END

while getopts "a:c:f:o:p:" opt; do
while getopts "a:c:f:o:p:s:" opt; do
case $opt in
a)
ROOTFS_OVERLAYS="$ROOTFS_OVERLAYS $OPTARG"
Expand All @@ -66,6 +67,9 @@ while getopts "a:c:f:o:p:" opt; do
# Append priorities to the master list
cat "$OPTARG" >> "$SQUASHFS_PRIORITIES"
;;
s)
POST_PROCESSING_SCRIPT="$OPTARG"
;;
\?)
echo "$SCRIPT_NAME: ERROR: Invalid option: -$OPTARG"
usage
Expand Down Expand Up @@ -157,6 +161,12 @@ fi
# Merge the Erlang/OTP release onto the base image
"$NERVES_SYSTEM/scripts/merge-squashfs" "$NERVES_SDK_IMAGES/rootfs.squashfs" "$TMP_DIR/combined.squashfs" "$TMP_DIR/rootfs_overlay" "$SQUASHFS_PRIORITIES"

# If a post processing script for the final rootfs was specified, run it
if [ ! -z "${POST_PROCESSING_SCRIPT}" ]; then
echo "Running post-processing script: ${POST_PROCESSING_SCRIPT}"
${POST_PROCESSING_SCRIPT} "$TMP_DIR/combined.squashfs";
fi

# Build the firmware image
echo "Building $FW_FILENAME..."
ROOTFS="$TMP_DIR/combined.squashfs" $FWUP -c -f "$FWUP_CONFIG" \
Expand Down