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#!/bin/bash -e
#
# While updating versions of QEMU to 1.0 I got fed up with the
# quilt workflow and just put up a git tree that contains all
# the commits on top of a stable tarball.
#
# When updating this package, just either update the git tree
# below (use rebase!) or change the tree path and use your own
#
# That way we can easily rebase against the next stable release
# when it comes.
GIT_TREE=git://github.com/openSUSE/qemu.git
GIT_LOCAL_TREE=~/git/qemu-opensuse
GIT_BRANCH=opensuse-2.0
GIT_UPSTREAM_TAG=v2.0.0
QEMU_TMP=/dev/shm/qemu-tmp
restore_file_to_package() {
# If the processed file matches the previous one, move the previous
# one back in place, otherwise add the processed file.
if cmp -s "$1" saved."$1"; then
osc mv --force saved."$1" "$1"
else
osc add "$1"
fi
}
# save files in case they remain unchanged
if [ -e 0001-* ]; then
for i in 0*; do
osc mv $i saved.$i
done
fi
osc mv qemu.spec saved.qemu.spec
osc mv qemu-linux-user.spec saved.qemu-linux-user.spec
# fetch all patches
rm -rf $QEMU_TMP
OSCDIR="$(pwd)"
if [ -d "$GIT_LOCAL_TREE" ]; then
git clone -ls $GIT_LOCAL_TREE $QEMU_TMP
cd $QEMU_TMP
else
git clone $GIT_TREE $QEMU_TMP
cd $QEMU_TMP
git remote add upstream git://git.qemu.org/qemu.git
git remote update
fi
git checkout $GIT_BRANCH
git format-patch -N $GIT_UPSTREAM_TAG -o "$OSCDIR"
QEMU_VERSION=`cat VERSION`
cd "$OSCDIR"
rm -rf $QEMU_TMP
# cut off file name after 40 bytes, so we work around git version differences
# while at it, also remove the signature.
for i in 0*; do
PATCHNAME=${i%.patch}
PATCHNAME=${PATCHNAME:0:40}.patch
head -n $(expr $(wc -l $i | cut -d ' ' -f 1) - 3) $i > "$PATCHNAME.tmp"
rm "$i"
mv "$PATCHNAME.tmp" "$PATCHNAME"
restore_file_to_package "$PATCHNAME"
done
# we have all patches as files now - generate the spec files!
for package in qemu qemu-linux-user; do
while IFS= read -r line; do
if [ "$line" = "PATCH_FILES" ]; then
for i in 0*; do
NUM=${i%%-*}
echo -e "Patch$NUM: $i"
done
elif [ "$line" = "PATCH_EXEC" ]; then
for i in 0*; do
NUM=${i%%-*}
echo "%patch$NUM -p1"
done
elif [ "$line" = "QEMU_VERSION" ]; then
echo "Version: $QEMU_VERSION"
elif [[ "$line" =~ ^Source: ]]; then
QEMU_TARBALL=qemu-`echo "$line" | cut -d '-' -f 2-`
VERSION_FILE=${QEMU_TARBALL%.tar.bz2}/roms/seabios/.version
SEABIOS_VERSION=`tar jxfO "$QEMU_TARBALL" "$VERSION_FILE"`
SEABIOS_VERSION=`echo $SEABIOS_VERSION | cut -d '-' -f 2`
echo "$line"
elif [ "$line" = "SEABIOS_VERSION" ]; then
echo "Version: $SEABIOS_VERSION"
else
echo "$line"
fi
done < $package.spec.in > $package.spec
done
restore_file_to_package qemu.spec
restore_file_to_package qemu-linux-user.spec
# remove any remaining saved files
files=(saved.*)
if [ -e "${files[0]}" ]; then
osc rm --force saved.*
fi
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