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#!/bin/bash
set -e
shopt -s extglob
# Set defaults from the running kernel
arch="$(dpkg --print-architecture)"
kernelabi="$(uname -r)"
ff="${kernelabi#+([^-])-@(trunk|?(rc)+([0-9])|0.@(bpo|deb+([0-9])).+([0-9]))-}"
if [ "x$ff" != "x$kernelabi" ]; then
flavour="${ff#@(openvz|rt|vserver|xen)-}"
if [ "x$flavour" != "x$ff" ]; then
featureset="${ff%-$flavour}"
else
featureset=none
fi
else
flavour=
featureset=none
fi
dbginfo=
fuzz=0
jobs=$(nproc)
eval "set -- $(getopt -n "$0" -o "f:gj:s:" -l "fuzz:" -- "$@")"
while true; do
case "$1" in
-f) flavour="$2"; shift 2 ;;
-g) dbginfo=y; shift 1 ;;
-j) jobs="$2"; shift 2 ;;
-s) featureset="$2"; shift 2 ;;
--fuzz) fuzz="$2"; shift 2;;
--) shift 1; break ;;
esac
done
if [ $# -lt 1 ]; then
echo >&2 "Usage: $0 [<options>] <patch>..."
cat >&2 <<EOF
Options:
-f <flavour> specify the 'flavour' of kernel to build, e.g. 686-pae
-g enable debug info
-j <jobs> specify number of compiler jobs to run in parallel
(default: number of available processors)
-s <featureset> specify an optional featureset to apply, e.g. rt
--fuzz <num> set the maximum patch fuzz factor (default: 0)
EOF
exit 2
fi
if [ -z "$flavour" ]; then
echo >&2 "You must specify a flavour to build with the -f option"
exit 2
fi
profiles=nodoc,noudeb,pkg.linux.nosource,pkg.linux.mintools
# Check build-dependencies early if possible
if [ -f debian/control ]; then
dpkg-checkbuilddeps -P"$profiles"
fi
# Append 'a~test' to Debian version; this should be less than any official
# successor and easily recognisable
version="$(dpkg-parsechangelog | sed 's/^Version: //; t; d')"
if [ "${version%a~test}" = "$version" ]; then
version="$version"a~test
dch -v "$version" --distribution UNRELEASED "Testing patches $*"
fi
# Ignore user's .quiltrc
alias quilt='quilt --quiltrc -'
# Try to clean up any previous test patches
if [ "$featureset" = none ]; then
patchdir=debian/patches
while patch="$(quilt top 2>/dev/null)" && \
[ "${patch#test/}" != "$patch" ]; do
quilt pop -f
done
while patch="$(quilt next 2>/dev/null)" && \
[ "${patch#test/}" != "$patch" ]; do
quilt delete -r "$patch"
done
else
patchdir=debian/patches-${featureset}
sed -i '/^test\//d' $patchdir/series
fi
# Prepare a new directory for the patches
rm -rf $patchdir/test/
mkdir $patchdir/test
# Prepare a new directory for the config; override ABI name, featuresets, flavours
rm -rf debian/config.local
mkdir debian/config.local debian/config.local/"$arch" debian/config.local/"$arch"/"$featureset"
cat >debian/config.local/defines <<EOF
[abi]
abiname: 0.a.test
EOF
if [ -z "$dbginfo" ]; then
cat >>debian/config.local/defines <<EOF
[build]
debug-info: false
EOF
fi
cat >debian/config.local/"$arch"/defines <<EOF
[base]
featuresets: $featureset
EOF
cat >debian/config.local/"$arch"/"$featureset"/defines <<EOF
[base]
flavours: $flavour
EOF
if [ "$featureset" = none ]; then
# default-flavour must refer to a flavour that's enabled
cat >>debian/config.local/"$arch"/"$featureset"/defines <<EOF
default-flavour: $flavour
EOF
fi
# Regenerate control and included rules
rm -f debian/control debian/rules.gen
debian/rules debian/control-real && exit 1 || true
test -f debian/control
test -f debian/rules.gen
# Check build-dependencies now that we know debian/control exists
dpkg-checkbuilddeps -P"$profiles"
# Clean up old build; apply existing patches for featureset
debian/rules clean
debian/rules source
# Apply the additional patches
for patch in "$@"; do
patch_abs="$(readlink -f "$patch")"
(cd "debian/build/source_${featureset}" && \
quilt import -P "test/$(basename "$patch")" "$patch_abs" && \
quilt push --fuzz="$fuzz")
done
# Build selected binaries
dpkg-buildpackage -b -P"$profiles" -j"$jobs" -nc -uc
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