3 ### Build a Debian package on supported architectures
5 ### (c) 2016 Mark Wooding
8 ###----- Licensing notice ---------------------------------------------------
10 ### This program is free software; you can redistribute it and/or modify
11 ### it under the terms of the GNU General Public License as published by
12 ### the Free Software Foundation; either version 2 of the License, or
13 ### (at your option) any later version.
15 ### This program is distributed in the hope that it will be useful,
16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ### GNU General Public License for more details.
20 ### You should have received a copy of the GNU General Public License
21 ### along with this program; if not, write to the Free Software Foundation,
22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 ###--------------------------------------------------------------------------
27 unset buildroot default_targets parallel
29 "/etc/mdw-sbuild.conf" \
30 "${XDG_CONFIG_HOME-$HOME/.config}/mdw-sbuild.conf"
32 if [ -f "$i" ]; then . "$i"; fi
34 : ${buildroot=$HOME/build}
35 : ${default_targets="wheezy-amd64 wheezy-i386"}
37 : ${DEB_BUILD_OPTIONS=parallel=4}; export DEB_BUILD_OPTIONS
39 ###--------------------------------------------------------------------------
44 fail () { echo >&2 "$prog: $*"; exit 1; }
45 usage () { echo "usage: $prog [-ain] [-t TARGET] COMMAND [ARGUMENTS ...]"; }
46 fail_usage () { usage >&2; exit 1; }
49 what=$1 pat=$2 type=$3; shift 3
51 [ $type "$i" ] || fail "$what not found: \`$i'"
55 *) fail "expected exactly one $what matching \`$pat', but found $#" ;;
60 ###--------------------------------------------------------------------------
63 bogusp=nil archp=nil indepp=nil makeopts=""
66 while getopts "haint:" opt; do
73 -h Show this help text.
74 -a Build only architecture-dependent packages.
75 -i Build only architecture-neutral packages.
76 -n Don't actually do the build.
77 -t TARGET Build in TARGET build environment.
82 Return a freshly-made directory for the source code to
86 Build the package placed in BUILDDIR, which should contain
87 exactly one \`.dsc' file, and whatever source archive files
94 n) makeopts="${makeopts+$makeopts }-n" ;;
95 t) targets="${targets+$targets }$OPTARG" ;;
99 shift $(( $OPTIND - 1 ))
101 case $bogusp in t) fail_usage ;; esac
102 case $archp,$indepp in nil,nil) archp=t indepp=t ;; esac
103 case ${targets+t} in t) ;; *) targets=$default_targets ;; esac
105 ###--------------------------------------------------------------------------
110 *,*,*) fail "bad command name \`$1'" ;;
113 ## dirname PROJECT/VERSION
115 ## Try to create a fresh build directory.
117 case "$dist" in */*/*) fail "bad distribution name \`$dist'" ;; esac
118 proj=${dist%/*} ver=${dist#*/}
124 while [ $i -lt 50 ]; do
127 ## Find a sequence number different from all of the existing builds of
130 for j in "$ver#"*; do
131 case "$j" in "$ver#*") break ;; esac
133 if [ $nn -le $n ]; then nn=$(( $n + 1 )); fi
136 ## Try to make the build directory. This might not work if we're
137 ## racing with another process, but that's why we're trying in a loop.
138 if mkdir "$ver#$nn" >/dev/null 2>&1; then
144 ## Make sure it actually failed because a directory appeared, rather
145 ## than for some other reason.
146 [ -e "$ver#$nn" ] || \
147 fail "unexpectedly couldn't create \`$buildroot/$dist#$nn'"
150 ## Make sure we actually succeeded.
151 case $winp in t) ;; *) fail "failed to create build directory" ;; esac
153 ## Make an empty directory for dependency packages.
157 echo "$buildroot/$dist#$nn"
161 echo >&2 "usage: $prog dir PROJECT/VERSION"; exit 1 ;;
166 ## Track down the build directory.
169 dsc=$(want_1 "file" "*.dsc" -f *.dsc)
171 ## Figure out which targets need building. If the `.dsc' file isn't
172 ## telling, assume it needs building everywhere and let sbuild(1) sort
174 os=$(dpkg-architecture -qDEB_HOST_ARCH_OS)
175 unset first rest; anyp=nil depp=nil allp=nil
176 wantarchs=$(sed -n '/^[Aa]rchitecture:/ s/^[^:]*: *//p' "$dsc")
178 unset buildarchs buildarchs_seen=:
180 ## Work through the available targets assigning builds to them. This is
181 ## actually a little tricky.
182 for t in $targets; do
184 ## Dissect the target name.
185 suite=${t%%-*} archs=${t#*-}
187 */*) target=${archs%/*} host=${archs#*/} ;;
188 *) target=$archs host=$archs; t=$suite-$target/$host ;;
190 case $buildarchs_seen in
194 buildarchs=${buildarchs+$buildarchs }$target
195 buildarchs_seen=$buildarchs_seen$target:
199 ## Work through the architectures which we can build.
200 for arch in $wantarchs; do
203 ## Package suitable for all architectures.
205 ## If we don't want to build architecture-neutral packages then
206 ## there's nothing to do.
207 case $indepp in nil) continue ;; esac
209 ## Pick this up if nobody has volunteered. However, we should be
210 ## ready to let some other architecture build this if it's going
211 ## to build some architecture-dependent package too.
212 case $anyp in nil) first=$t anyp=t allp=t ;; esac
215 ## There's at least one architecture-specific package.
217 ## If we don't want to build architecture-specific packages then
218 ## there's nothing to do.
219 case $archp in nil) continue ;; esac
221 ## If we can't build it then we shouldn't try.
222 if ! dpkg-architecture -a"$os-$target" -i"$arch"; then
226 ## Decide whether we should take responsibility for the
227 ## architecture-neutral packages. If nobody's claimed them yet,
228 ## or the previous claimant wasn't building architecture-specific
229 ## packages, we should take over.
231 nil) first=$t depp=t anyp=t ;;
232 t) rest="${rest+$rest }$t" ;;
239 ## If we never found a match then we can't do anything.
240 case $anyp in nil) echo "$prog: no packages to build"; exit 0 ;; esac
242 ## Figure out the right options to use.
244 t) firstopt="--arch-all" ;;
245 nil) firstopt="--no-arch-all" ;;
249 nil) firstopt="$firstopt --no-arch-any" ;;
252 ## Sort out the additional packages. This is rather annoying, because
253 ## sbuild(1) does this in a really stupid way.
255 for a in $buildarchs; do
257 for f in $(dpkg-scanpackages -a$a pkgs/ |
258 sed -n '/^Filename: /s///p')
264 ## Build a cheesy makefile to run these in parallel.
272 host=\$\${t\#\#*/} full=\$\${t%/*}; \\
273 suite=\$\${full%%-*} target=\$\${full\#*-}; \\
274 { echo started >build-status.\$\$full; \\
276 --extra-package=pkgs.\$\$target/ \\
277 --dist=\$\$suite --build=\$\$host --host=\$\$target \\
278 --chroot=\$\$suite-\$\$host --verbose \$1 \$(DSC); \\
279 rc=\$\$?; case \$\$rc in \\
280 0) echo ok >build-status.\$\$full ;; \\
281 *) echo failed rc=\$\$rc >build-status.\$\$full ;; \\
283 while IFS= read -r line; do \\
284 printf "%s: %s\n" "\$\$full" "\$\$line"; \\
286 read st _ <build-status.\$\$full && \\
287 case \$\$st in ok) exit 0 ;; *) exit 1 ;; esac
288 all: \$(FIRST) \$(REST)
289 \$(FIRST):; \$(call sbuild-wrap,$firstopt)
290 \$(REST):; \$(call sbuild-wrap,--no-arch-all)
293 ## Make some marker files to say things are in progress.
294 for i in $first $rest; do echo "starting" >build-status.${i%/*}; done
296 ## And we're ready to go.
298 cat pipeout& catpid=$!
299 set +e; make -fbuild.mk $parallel $makeopts -k all >pipeout
302 rm build.mk pipeout build-status.*
303 find . -maxdepth 1 -type l -exec rm {} \;
307 echo >&2 "usage: $prog build BUILDDIR"; exit 1 ;;
310 fail "unknown command \`$1'"
314 ###----- That's all, folks --------------------------------------------------