You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.1 KiB
112 lines
3.1 KiB
#!/bin/sh |
|
# SPDX-License-Identifier: GPL-2.0 |
|
# |
|
# Copy firmware files based on WHENCE list |
|
# |
|
|
|
verbose=: |
|
prune=no |
|
# shellcheck disable=SC2209 |
|
compress=cat |
|
compext= |
|
|
|
while test $# -gt 0; do |
|
case $1 in |
|
-v | --verbose) |
|
# shellcheck disable=SC2209 |
|
verbose=echo |
|
shift |
|
;; |
|
|
|
-P | --prune) |
|
prune=yes |
|
shift |
|
;; |
|
|
|
--xz) |
|
if test "$compext" = ".zst"; then |
|
echo "ERROR: cannot mix XZ and ZSTD compression" |
|
exit 1 |
|
fi |
|
compress="xz --compress --quiet --stdout --check=crc32" |
|
compext=".xz" |
|
shift |
|
;; |
|
|
|
--zstd) |
|
if test "$compext" = ".xz"; then |
|
echo "ERROR: cannot mix XZ and ZSTD compression" |
|
exit 1 |
|
fi |
|
# shellcheck disable=SC2209 |
|
compress="zstd --compress --quiet --stdout" |
|
compext=".zst" |
|
shift |
|
;; |
|
|
|
*) |
|
if test "x$destdir" != "x"; then |
|
echo "ERROR: unknown command-line options: $*" |
|
exit 1 |
|
fi |
|
|
|
destdir="$1" |
|
shift |
|
;; |
|
esac |
|
done |
|
|
|
# shellcheck disable=SC2162 # file/folder name can include escaped symbols |
|
grep '^File:' WHENCE | sed -e 's/^File: *//g;s/"//g' | while read f; do |
|
test -f "$f" || continue |
|
install -d "$destdir/$(dirname "$f")" |
|
$verbose "copying/compressing file $f$compext" |
|
if test "$compress" != "cat" && grep -q "^Raw: $f\$" WHENCE; then |
|
$verbose "compression will be skipped for file $f" |
|
cat "$f" > "$destdir/$f" |
|
else |
|
$compress "$f" > "$destdir/$f$compext" |
|
fi |
|
done |
|
|
|
# shellcheck disable=SC2162 # file/folder name can include escaped symbols |
|
grep -E '^Link:' WHENCE | sed -e 's/^Link: *//g;s/-> //g' | while read f d; do |
|
if test -L "$f$compext"; then |
|
test -f "$destdir/$f$compext" && continue |
|
$verbose "copying link $f$compext" |
|
install -d "$destdir/$(dirname "$f")" |
|
cp -d "$f$compext" "$destdir/$f$compext" |
|
|
|
if test "x$d" != "x"; then |
|
target="$(readlink "$f")" |
|
|
|
if test "x$target" != "x$d"; then |
|
$verbose "WARNING: inconsistent symlink target: $target != $d" |
|
else |
|
if test "x$prune" != "xyes"; then |
|
$verbose "WARNING: unneeded symlink detected: $f" |
|
else |
|
$verbose "WARNING: pruning unneeded symlink $f" |
|
rm -f "$f$compext" |
|
fi |
|
fi |
|
else |
|
$verbose "WARNING: missing target for symlink $f" |
|
fi |
|
else |
|
directory="$destdir/$(dirname "$f")" |
|
install -d "$directory" |
|
target="$(cd "$directory" && realpath -m -s "$d")" |
|
if test -d "$target"; then |
|
$verbose "creating link $f -> $d" |
|
ln -s "$d" "$destdir/$f" |
|
else |
|
$verbose "creating link $f$compext -> $d$compext" |
|
ln -s "$d$compext" "$destdir/$f$compext" |
|
fi |
|
fi |
|
done |
|
|
|
exit 0 |
|
|
|
# vim: et sw=4 sts=4 ts=4
|
|
|