# USA
# deblob.sh - prepare a linux-libre tarball out of a non-libre Linux
-# tarball. It expects the Linux release (kver) as the first argument,
-# and the libre sub-release (extra) as the second optional argument.
+# tarball. It expects the Linux release (mver, say 2.6.25) as the
+# first argument, the libre sub-release (extra) as the second optional
+# argument, and the patch release (sver, say .13) as an optional third
+# argument. mver and sver are pasted together to form kver.
-# linux-$kver.tar.bz2 and deblob-$kver must exist in the current
-# directory, and the line that sets kver and extra in deblob-$kver
-# must match the command-line arguments.
+# linux-$kver.tar.bz2 and deblob-$mver must exist in the current
+# directory, and the line that sets kver and extra in deblob-$mver
+# must match mver and extra.
# The resulting tarball is put in linux-$kver-libre$extra.tar.bz2, and
# an uncompressed xdelta that produces linux-$kver-libre$extra.tar out
# At the end, the script attempts to generate a digital signature for
# the newly-created tarball. This is the last thing the script does,
# so interrupting it at that point to skip the signing won't fail to
-# do anything else.
+# do anything else.
# It is safe to interrupt the script at any other point. When it gets
# a ^C (other than during signing), it starts cleaning up all of its
# behind, and then it will refuse to run again before you clean it up
# by hand. It takes extra care to avoid overwriting useful files.
-kver=$1 extra=$2 libre=libre$extra
+# If deblob-$mver finds any unexpected situation, it will error out,
+# and then deblob-main will quit. Pass --force to deblob-main, before
+# any other argument, for deblob-main to ignore any such situations.
+
+case $1 in
+--force) force=--force; shift;;
+*) force=;;
+esac
+
+mver=$1 extra=$2 sver=$3
+kver=$mver$sver libre=libre$extra
deblob= dir=`echo $0 | sed 's,/[^/]*$,,'`
if test ! -f linux-$kver.tar.bz2; then
exit 1
fi
-if test -f deblob-$kver; then
- deblob=deblob-$kver
+if test -f deblob-$mver; then
+ deblob=deblob-$mver
elif test -f deblob; then
deblob=deblob
-elif test -f $dir/deblob-$kver; then
- cp $dir/deblob-$kver deblob
+elif test -f $dir/deblob-$mver; then
+ cp $dir/deblob-$mver deblob
deblob=deblob
else
echo deblob does not exist >&2
exit 1
fi
-x1="kver=$kver extra=$extra"
-x2=`grep \"^$x1$\" $deblob`
-if test "$x1" != "$x2"; then
+x1="kver=$mver extra=$extra"
+x2=`grep "^kver=[^ ]* extra=" $deblob`
+if test "$x1" = "$x2"; then
:
else
echo deblob script does not match command-line arguments >&2
cp -lR linux-$kver/. linux-$kver-$libre
echo Deblobbing within linux-$kver-$libre
-(cd linux-$kver-$libre && /bin/sh ../$deblob) || exit 1
+if (cd linux-$kver-$libre && /bin/sh ../$deblob $force); then
+ :
+else
+ echo $deblob failed, aborting >&2
+ exit 1
+fi
rm -f linux-$kver-$libre.patch
-cp $0 $deblob deblob-check linux-$kver-$libre
+# Do not copy these scripts for now, deblob-check regards itself as a blob.
+# cp -p $0 $deblob deblob-check linux-$kver-$libre
echo Generating linux-$kver-$libre.patch
diff -druN linux-$kver linux-$kver-$libre > linux-$kver-$libre.patch || :
rm -rf linux-$kver orig-linux-$kver
echo Creating xdelta between linux-$kver.tar and linux-$kver-$libre.tar
-xdelta delta -0 linux-$kver.tar linux-$kver-$libre.tar linux-$kver-$libre.xdelta
+xdelta delta -0 linux-$kver.tar linux-$kver-$libre.tar linux-$kver-$libre.xdelta || : # xdelta returns nonzero on success
echo Compressing linux-$kver-$libre.tar and linux-$kver-$libre.xdelta
rm -f linux-$kver.tar
-bzip2 -9 linux-$kver-$libre.tar linux-$kver-$libre.xdelta
+bzip2 -9 linux-$kver-$libre.tar
+if test -f linux-$kver-$libre.xdelta; then
+ bzip2 -9 linux-$kver-$libre.xdelta
+fi
trap "status=$?; (exit $status); exit" 0 1 2 15
gpg -a --detach-sign linux-$kver-$libre.tar.bz2
mv linux-$kver-$libre.tar.bz2.asc linux-$kver-$libre.tar.bz2.sign
-gpg -a --detach-sign linux-$kver-$libre.xdelta.bz2
-mv linux-$kver-$libre.xdelta.bz2.asc linux-$kver-$libre.xdelta.bz2.sign
+if test -f linux-$kver-$libre.xdelta.bz2; then
+ gpg -a --detach-sign linux-$kver-$libre.xdelta.bz2
+ mv linux-$kver-$libre.xdelta.bz2.asc linux-$kver-$libre.xdelta.bz2.sign
+fi
echo All set, please review linux-$kver-$libre.patch