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Add support for custom persistence config files #3601

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10 changes: 8 additions & 2 deletions INSTALL/CreatePersistentImg.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,8 @@ print_usage() {
echo ' -s size in MB, default is 1024'
echo ' -t filesystem type, default is ext4 ext2/ext3/ext4/xfs are supported now'
echo ' -l label, default is casper-rw'
echo ' -c configfile name inside the persistence file. File content is "/ union"'
echo ' -c specify the path to the config file what to be put into the persistence file.'
echo ' If not exist, config file name is the path basename and file content is "/ union"'
echo ' -o outputfile name, default is persistence.dat'
echo ' -e enable encryption, disabled by default (only few distros support this)'
echo ''
Expand Down Expand Up @@ -125,7 +126,12 @@ if [ -n "$config" ]; then

mkdir ./persist_tmp_mnt
if mount $freeloop ./persist_tmp_mnt; then
echo '/ union' > ./persist_tmp_mnt/$config
config_name="${config##*/}"
if [ -f "$config" ]; then
cat "$config" > ./persist_tmp_mnt/$config_name
else
echo '/ union' > ./persist_tmp_mnt/$config_name
fi
sync
umount ./persist_tmp_mnt
fi
Expand Down