35 lines
621 B
Bash
Executable File
35 lines
621 B
Bash
Executable File
#!/bin/bash -eu
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#
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# Compress firmware blobs
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#
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if [ $# -ne 1 ] ; then
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echo "Usage: compress-firmware <dirname>" >&2
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exit 2
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fi
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if ! [ -d "${1}" ] ; then
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echo "No such directory: ${1}" >&2
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exit 1
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fi
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echo "Compress firmware files in ${1} ..."
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while IFS= read -r f ; do
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if [ "${f%.xz}" = "${f}" ] ; then
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xz -F xz -C crc32 "${f}"
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fi
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done < <(find "${1}" -type f)
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echo "Recreate symlinks in ${1} ..."
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while IFS= read -r l ; do
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if [ "${l%.xz}" = "${l}" ] ; then
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t=$(readlink "${l}")
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if ( cd "${l%/*}" && ! [ -d "${t}" ] ) ; then
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ln -s "${t}".xz "${l}".xz
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rm "${l}"
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fi
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fi
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done < <(find "${1}" -type l)
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