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add conditional

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This commit is contained in:
jmac 2024-12-24 18:13:14 +00:00
parent 6411db58ef
commit 387d192327
1 changed files with 4 additions and 2 deletions
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6
IMG/cpio/ventoy/init_chain
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@ -73,8 +73,10 @@ ventoy_unpack_initramfs() {
for vtx in '1F8B zcat' '1F9E zcat' '425A bzcat' '5D00 lzcat' 'FD37 xzcat' '894C lzopcat' '0221 lz4cat' '28B5 zstdcat' '3037 cat' '4C5A lunzip -c'; do
if [ "${vtx:0:4}" = "${vtmagic:0:4}" ]; then
echo "vtx=$vtx" >> $VTLOG
dd if=$vtfile skip=$vtskip of=$vttmp iflag=skip_bytes status=none
mv $vttmp $vtfile
if [ $vtskip -ne 0 ]; then
dd if=$vtfile skip=$vtskip of=$vttmp iflag=skip_bytes status=none
mv $vttmp $vtfile
fi
if [ "${vtx:5}" = "xzcat" ]; then
rm -f $VTOY_PATH/xzlog
${vtx:5} $vtfile 2> $VTOY_PATH/xzlog | (cpio -idmu 2>>$VTLOG; cat > $vttmp)