mirror of
https://git.proxmox.com/git/mirror_linux-firmware
synced 2025-08-05 18:41:02 +00:00
ee8c336ab3
Flesh out the de-duplication logic in separate script. The copy-firmware.sh is already complex enough and de-duplication doesn't really fit in there. In the process we migrate away from the open-coded `ln --relative`. We also avoid touching symlinks, which are not created by rdfind. Otherwise we end up "fixing" the folder to folder symlinks (created earlier in the process) and things explode. As result we also get a few bonuses: - the COPYOPTS shell injection is gone - the variable was never used - people can dedup as separate step if/when they choose to do so Aside: based on the noise in git log and around distros ... I'm wondering if having the de-duplication as opt-in, would have been better. Is it too late to change or the ship has sailed? Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
133 lines
3.6 KiB
Bash
Executable File
133 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copy firmware files based on WHENCE list
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#
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verbose=:
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prune=no
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# shellcheck disable=SC2209
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compress=cat
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compext=
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while test $# -gt 0; do
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case $1 in
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-v | --verbose)
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# shellcheck disable=SC2209
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verbose=echo
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shift
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;;
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-P | --prune)
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prune=yes
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shift
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;;
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--xz)
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if test "$compext" = ".zst"; then
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echo "ERROR: cannot mix XZ and ZSTD compression"
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exit 1
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fi
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compress="xz --compress --quiet --stdout --check=crc32"
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compext=".xz"
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shift
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;;
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--zstd)
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if test "$compext" = ".xz"; then
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echo "ERROR: cannot mix XZ and ZSTD compression"
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exit 1
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fi
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# shellcheck disable=SC2209
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compress="zstd --compress --quiet --stdout"
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compext=".zst"
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shift
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;;
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-*)
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if test "$compress" = "cat"; then
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echo "ERROR: unknown command-line option: $1"
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exit 1
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fi
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compress="$compress $1"
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shift
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;;
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*)
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if test "x$destdir" != "x"; then
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echo "ERROR: unknown command-line options: $*"
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exit 1
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fi
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destdir="$1"
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shift
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;;
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esac
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done
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if [ -z "$destdir" ]; then
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echo "ERROR: destination directory was not specified"
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exit 1
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fi
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# shellcheck disable=SC2162 # file/folder name can include escaped symbols
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grep -E '^(RawFile|File):' WHENCE | sed -E -e 's/^(RawFile|File): */\1 /;s/"//g' | while read k f; do
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test -f "$f" || continue
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install -d "$destdir/$(dirname "$f")"
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$verbose "copying/compressing file $f$compext"
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if test "$compress" != "cat" && test "$k" = "RawFile"; then
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$verbose "compression will be skipped for file $f"
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cat "$f" > "$destdir/$f"
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else
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$compress "$f" > "$destdir/$f$compext"
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fi
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done
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# shellcheck disable=SC2162 # file/folder name can include escaped symbols
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grep -E '^Link:' WHENCE | sed -e 's/^Link: *//g;s/-> //g' | while read f d; do
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if test -L "$f$compext"; then
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test -f "$destdir/$f$compext" && continue
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$verbose "copying link $f$compext"
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install -d "$destdir/$(dirname "$f")"
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cp -d "$f$compext" "$destdir/$f$compext"
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if test "x$d" != "x"; then
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target="$(readlink "$f")"
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if test "x$target" != "x$d"; then
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$verbose "WARNING: inconsistent symlink target: $target != $d"
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else
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if test "x$prune" != "xyes"; then
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$verbose "WARNING: unneeded symlink detected: $f"
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else
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$verbose "WARNING: pruning unneeded symlink $f"
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rm -f "$f$compext"
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fi
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fi
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else
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$verbose "WARNING: missing target for symlink $f"
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fi
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else
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directory="$destdir/$(dirname "$f")"
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install -d "$directory"
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target="$(cd "$directory" && realpath -m -s "$d")"
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if test -e "$target"; then
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$verbose "creating link $f -> $d"
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ln -s "$d" "$destdir/$f"
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else
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$verbose "creating link $f$compext -> $d$compext"
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ln -s "$d$compext" "$destdir/$f$compext"
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fi
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fi
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done
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# Verify no broken symlinks
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if test "$(find "$destdir" -xtype l | wc -l)" -ne 0 ; then
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echo "ERROR: Broken symlinks found:"
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find "$destdir" -xtype l
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exit 1
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fi
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exit 0
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# vim: et sw=4 sts=4 ts=4
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