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Add ability to automatically split install.wim if needed #265

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108a09c
Add ability to automatically split install.wim if needed
depau May 11, 2019
6755698
Only split the image if it's too large
depau May 11, 2019
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1 change: 1 addition & 0 deletions debian/control
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ Depends: bash (>=4.3),
policykit-1,
realpath | coreutils (>= 8.23),
wget,
wimtools,
${misc:Depends},
${shlibs:Depends}
Description: Bootable Windows installation/PE USB storage creator
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29 changes: 20 additions & 9 deletions src/woeusb
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Expand Up @@ -1205,6 +1205,12 @@ check_fat32_filesize_limitation(){

while IFS= read -r -d '' file; do
if (( "$(stat -c '%s' "${file}")" > 4294967295 )); then # Max fat32 file size is 2^32 - 1 bytes
if [[ "${file}" == */install.wim ]]; then
printf_with_color \
yellow \
'Detected large "install.wim", will try to split it in multiple chunks\n'
continue
fi
printf_with_color \
red \
'Error: File "%s" in source image has exceed the FAT32 Filesystem 4GiB Single File Size Limitation and cannot be installed. You must specify a different --target-filesystem.\n' \
Expand Down Expand Up @@ -1457,15 +1463,20 @@ copy_filesystem_files(){
if [ "${verbose}" = true ]; then
echo -e "\\nINFO: Copying \"${source_file}\"..."
fi
if [ "${source_file_size}" -lt "${DD_BLOCK_SIZE}" ]; then
cp "${source_file}" "${dest_file}"
else
copy_large_file \
"${source_file}" \
"${dest_file}" \
"${copied_size}" \
"${total_size}"
fi
if [ "$source_file_size" -gt 4294967295 ] && [[ "${source_file}" == */install.wim ]]; then
echo -e "\\nSplitting large install.wim image"
wimsplit "${source_file}" "$(echo "${dest_file}" | sed 's/install.wim$/install.swm/g')" 3800
else
if [ "${source_file_size}" -lt "${DD_BLOCK_SIZE}" ]; then
cp "${source_file}" "${dest_file}"
else
copy_large_file \
"${source_file}" \
"${dest_file}" \
"${copied_size}" \
"${total_size}"
fi
fi
else
echo_with_color red "${FUNCNAME[0]}: Error: Unknown type of '${source_file}'!" >&2
exit 1
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